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64-475: The TRG-21 and TRG-22 (A1) are designed to fire standard .308 Winchester ( 7.62×51mm NATO ) sized cartridges, while the TRG-41 and TRG-42 (A1) are designed to fire more powerful and dimensionally larger .300 Winchester Magnum (7.62×67mm) and .338 Lapua Magnum (8.6×70mm) cartridges. They are available with olive drab green, desert tan/coyote brown , dark earth or black stocks, and are also available with

128-471: A Picatinny rail for mounting aiming optics. The folding stock was later redesigned with the most conspicuous change being a bigger "foot" with an external lever/hinge support system monopod instead of the vertical moving small "spike" found on the earlier folding stock. Sako accessories for the TRG system includes an auxiliary iron sights for emergency use, a muzzle brake/flash-hider, a match sight mounting set,

192-600: A Zeiss or Schmidt & Bender PM II telescopic sight with fixed power of magnification or with variable magnification. Variable telescopic sights can be used if the operator wants more flexibility to shoot at varying ranges, or when a wide field of view is required. In October 2011, Sako introduced the TRG M10 Sniper Weapon System. It was designed as a user configurable multi calibre modular system responding to evolving market demands and does not share its receiver and other technical features with

256-510: A baseplate (in mortars ), sometimes with additional support from a monopod or a bean bag . Bipods are commonly used on rifles and machine guns to provide a forward rest and reduce unwanted motion. They are also seen on other long-barreled weapons. Bipods permit operators to easily rest a weapon on objects, such the ground or a wall, reducing fatigue and increasing accuracy and stability. Bipods can be of fixed or adjustable length. Some can be tilted and also have their tilting point close to

320-404: A folding stock . The TRG-62 A1 was added to the product range as the third and largest iteration, designed to fire the even more powerful and dimensionally larger .375 CheyTac (9.5×77mm) cartridge. The sniper rifles are normally fitted with muzzle brakes to reduce recoil , jump and flash. The Sako factory TRG muzzle brakes vent sideways and are detachable. Generally TRGs are outfitted with

384-563: A long gun or a mortar . The term comes from the Latin prefix bi- and Greek root pod , meaning "two" and "foot" respectively. Bipods are designed to support the weight of the weapon's front portion and barrel , and provide significant stability against unwanted side-to-side movements (i.e. canting ) while allowing free movements pivoting around the transverse axis ( pitching ). Most modern bipods have foldable and/or telescoping legs, and allow some limited movements around

448-475: A "basket" designed to stop the bipod from sinking into soft surfaces such as fine sand or deep snow (inspired by ski poles and snowshoes ). There are several mounting standards for attaching a bipod to a rifle, of which some well known are swivel stud , Picatinny , M-LOK and Versa Pod spigot mount. Starting in the late 2010s, the Arca-Swiss style also gained popularity in shooting competitions such as

512-528: A Sako TRG M10 Sniper Weapon System alike stock, featuring an aluminium middle chassis frame, side-folding quick adjustable buttstock, and a fore-end with the M-LOK rail interface system that allows for direct accessory attachment onto "negative space" (hollow slot) mounting points. T he chassis frame is offered in Tungsten Gray, Olive Drab Green, Graphite Black and Coyote BrownCerakote finishes. The top of

576-656: A color word in the English language, it appears in late Middle English . Olivine is the typical color of the mineral olivine . The first recorded use of olivine as a color name in English was in 1912. Olive drab is variously described as a "A brownish-green colour" ( Oxford English Dictionary ); "a shade of greenish-brown" ( Webster's New World Dictionary ); "a dark gray-green" ( MacMillan English dictionary ); "a grayish olive to dark olive brown or olive gray" ( American Heritage Dictionary ); or "A dull but fairly strong gray-green color" ( Collins English Dictionary ). It

640-650: A longer accuracy life than stainless steel barrels) for the available cartridge chamberings all have a different length, groove cutting and rifling twist rate optimised for their respective chambering and intended ammunition. The .260 Remington, .308 Winchester, .300 Winchester Magnum and .338 Lapua Magnum chamberings are available with barrels of common length for sniper rifles and relatively short 510 mm (20.08 in) long barrels. On special order TRG sniper rifles can also be supplied with stainless steel barrels. Two types of flash eliminator/muzzle brakes are available as an accessory with one being threaded to accommodate

704-531: A maximum cartridge length of 75 mm (2.95 in). The evolution of this design continues to the present and can be found in Sako's hunting rifle offerings, the Sako 75 and the Sako 85. Subsequently, a second precision/sniper rifle with a 20 mm (0.79 in) longer scaled up magnum action emerged as the TRG-41 in order to take advantage of the .338 Lapua Magnum cartridge. A more hunting oriented variation of

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768-428: A rotary bolt with three radial locking lugs at the front. It features a steel receiver, a Picatinny rail on top of its receiver for mounting various optical sights and on the stock bottom for bipod mounting. The barrel is a free floating barrel that can be equipped with special muzzle brakes that have a mounting interface for quick detachable suppressors. It is offered in various barrel lengths of 16-, 20- and 26-inch for

832-399: A smaller closed ejection port. Actions with an ejection port make it more difficult to reach in with a finger to discreetly eject brass when desired, but it does allow for additional strength in the action. The "resistance free" bolt has three massive lugs and requires a 60-degree bolt rotation and a 98 mm (3.86 in) bolt throw for the short and 118 mm (4.65 in) bolt throw for

896-401: A sound-suppressor. For the .260 Remington chambering a non-traditional 203 mm (1 in 8 inch) or 31.2 calibres right-hand twist rate optimised to stabilise longer, heavier very-low-drag bullets was selected over the standard 229 mm (1 in 9 inch) or 35.2 calibres twist rate. The TRG-22 can be ordered cambered for the .260 Remington cartridge as of May 2011. The introduction of

960-427: A telescopic sight mounting sets, a STANAG 2324 (Picatinny rail), an accessory ITRS tri-rail (top) and accessory rail (bottom) TRG forestock, a night sight adapter, a sound suppressor , a muzzle thread protector, various slings and swivels, cleaning kits, soft case, and a heavy-duty transit case. Several versions of TRG-specific bipods were produced that all lock into an attachment point in the aluminium bedding block at

1024-419: Is almost unique in being a purpose-designed sniper rifle, rather than an accurised version of an existing, general-purpose rifle. The sniper rifles can have a matte or manganese phosphatised finish. The heart of the TRG system is a cold-hammer forged receiver and barrel . Both provide maximum strength for minimum weight as well as excellent resistance to wear. The action has a hex style profile on top with

1088-441: Is also available. The folding stock is 0.5 kg (1.1 lb) heavier than the non-folding green, desert tan or dark earth stock variants and is hinged behind the pistol grip; it folds to the left side and locks into position. When folded, the rifle becomes 250 mm (9.84 in) shorter. The steel parts of the folding stock are manganese phosphatised and the polyurethane parts are coloured olive drab or desert tan. The rear of

1152-429: Is besides sniping requirements, designed to conform to both UIT and CISM regulations. Sako offers black, green, desert tan or dark earth coloured stock variants and the green, desert tan or dark earth stock variants are 0.2 kg (0.4 lb) heavier than the black variants. In 2011 Sako also began offering stocks in several styles of digital camouflage . The base of the ergonomic injection-moulded polyurethane forestock

1216-446: Is commonly seen in long-range competition where it has done very well. Besides civilian target shooting the TRG system can and is sometimes used for hunting. The TRG system's purposive design features, reliability in adverse conditions and consistent accuracy performance (a capable marksman can expect ≤ 0.5 MOA consistent accuracy with appropriate ammunition) have made it a popular, though expensive, sniper rifle system. The TRG system

1280-427: Is made of aluminium and encompasses the bedding block with the bedding block serving as a point of attachment for a bipod. The polyurethane buttstock with its pistol grip and integrated aluminium skeleton to add strength, is designed for right- and left-handed shooters. The rear of the buttstock possesses a series of spacer and angle plates to regulate the length of pull and curvature adjustments that can be tailored for

1344-482: Is mated to an aluminium alloy-bedding block by three screws for maximum stability. This combination ensures an unusually high degree of stability. The detachable box magazine is based upon centre feeding for maximum reliability as well as precise positioning of the cartridge into the chamber. Alternatively cartridges can be loaded singly directly into the chamber. The free-floating , heavy, chrome moly barrels ( chrome moly barrels resist throat erosion better offering

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1408-407: Is specially marked so users can recognise the calibre of each part visually or by touch. For example, for the .308 Winchester barrel and bolt are marked with single annual grove, whereas for the .300 Winchester Magnum are marked with two groves and three for the .338 Lapua Magnum. Another unique feature of the rifle is that all of the tools that are necessary to change the calibre are built into each of

1472-480: Is still used by the U.S. military to color webbing and accessories. The armies of Israel , India , Cuba , and Venezuela wear solid-color olive drab uniforms. In the American novel A Separate Peace , Finny says to Gene, "...and in these times of war, we all see olive drab, and we all know it is the patriotic color. All others aren't about the war; they aren't patriotic." Pantone 448 C , "the ugliest color in

1536-626: Is widely used as a camouflage color for uniforms and equipment in the armed forces. The first recorded use of olive drab as a color name in English was in 1892. Drab is an older color name, from the middle of the 16th century. It refers to a dull light brown color, the color of cloth made from undyed homespun wool. It took its name from the old French word for cloth, drap . There are many shades and variations of olive drab. Various shades were used on United States Army uniforms in World War II . The shade used for enlisted soldier's uniforms at

1600-632: The Lewis gun (1914) was fitted with an adjustable bipod. The technology became more advanced, with hinged legs and even extendable or retractable legs. The Brixia M1923 machine gun used a bipod that could also be used as a harness allowing the user to move around firing the weapon handling only the spade grips. One of the first companies to manufacture commercially successful bipods was Harris Engineering, Inc founded in 1979 in Barlow, Kentucky by Gerald Harris, Margaret Harris, and Susan Wilkerson. Before starting

1664-558: The United States Special Operations Command to replace all current bolt-action sniper rifles in use by U.S. special operations snipers with a single bolt-action rifle chambered for a large calibre magnum chambering. The contract was awarded to Remington Arms for their Modular Sniper Rifle winning against the TRG M10 in 2013. The TRG M10 is a manually operated bolt action sniper rifle that uses

1728-472: The .260 Remington (6.5×51mm) chambering does not introduce major technical changes for the TRG system since the .260 Remington is essentially a necked down 6.5 mm (.264 in) variant of the .308 Winchester (7.62×51mm) cartridge, meaning these cartridges can be used in .308 Winchester chambered rifles only requiring different barrels. The 6.5 Creedmoor chambering has the traditional 203 mm (1 in 8 inch) or 31.2 calibres right-hand twist rate shares

1792-503: The .308 Winchester (7.62×51mm NATO), 23.5- and 27-inch for the .300 Winchester Magnum, and 20- and 27-inch for the .338 Lapua Magnum. Ammunition feeding is by a double-stack detachable box magazine which is marked with appropriate number of large dots that are embossed into the sides of the polymer baseplate and that holds 11 rounds of .308 Winchester (7.62×51mm NATO), 7 rounds of .300 Winchester Magnum, or 8 rounds of .338 Lapua Magnum. Alternatively, cartridges can be singly loaded directly into

1856-468: The .308 Winchester, as a compromise when switching between supersonic and subsonic cartridges. The .300 Winchester Magnum chambering also has a non-traditional 280 mm (1 in 11 inch) or 36.7 calibres right-hand twist rate. Due to the .300 Winchester Magnum cartridge dimensions it is a long TRG-41/TRG-42 bolt-action chambering. For the .338 Lapua Magnum chambering a non-traditional 305 mm (1 in 12 inch) or 36.4 calibres right-hand twist rate

1920-463: The 6.5mm Creedmoor and .300 Norma Magnum chamberings. The available 2024 TRG M10 chambering palette is: TRG M10 TRG M10 70+ M10 Sako TRG 42 The TRG-22 sniper rifle is used by Mizoram Armed Police in very small numbers. Sako TRG 42 is used by the Indian Army . TRG M10 M10 Olive drab Olive is a dark yellowish-green color, like that of unripe or green olives . As

1984-505: The ITRS tri-rail NV attachment point with an optional extended aluminium bedding block. This extended bedding block also can feature an optional STANAG 2324 Picatinny rail in the bottom of the block. The Sako TRG M10 Sniper Weapon System was unveiled by Sako in October 2011. It was designed as a user configurable modular system and does not share its receiver and other technical features with

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2048-434: The TRG system was further upgraded and improved based on customer requirements. The upgrades consist of mounting improved recoil pads to reduce felt recoil, a newly constructed bolt release and a new fully adjustable two-stage trigger mechanism that features a new more ergonomic ambidextrous safety lever, and a trigger guard milled from aluminium for more positive magazine attachment. Further the bolt handle and its attachment to

2112-476: The TRG was introduced in 1992 as the TRG-S M995 and TRG-S M995 Magnum, which both use the same scaled up magnum action and bolt (different bolt handle) as the TRG-41 with the exception that the receiver is open at the top with an integral Sako-type wedged dovetail rail rather than possessing a cartridge ejection port on the right side and a parallel 17 mm (0.67 in) integral dovetail rail as found with

2176-455: The TRG-21 precision rifle as a sniper rifle model chambered in .308 Winchester . With the introduction of the TRG bolt-action , Sako moved away from the modified two-lug Mauser bolt-actions, favoured during the past, to an action with a symmetrical three-lug bolt of 19 mm (0.75 in) diameter, displaying a locking surface of 75 mm (0.116 in). The TRG-21 action was designed for

2240-515: The TRG-21. In the end Sako abandoned this plan and only a handful of M975 prototypes were produced. To make the TRG system more suitable for military use, Sako upgraded and improved the TRG-21/41 design in the late 1990s. Some TRG accessories like the muzzle brake and bipod (that lets the rifle swivel or "hang" near its bore axis offering a more stable shooting position with large and heavy aiming optics mounted) were also improved. This resulted in

2304-574: The TRG-22/42 rifle system introduced in 1999. In June 2007 a voluntary factory recall concerning TRG-22, TRG-42 and M995 (TRG-S) rifles manufactured between October 1999 and October 2002 was put out to correct the possibility that a portion of the firing pin could exit rearwards when firing a defective cartridge. Around 2011 an American Sako vendor commissioned a special limited production run of TRG-22 sniper rifles chambered in .260 Remington cartridge and started offering them as of May 2011. In 2013

2368-472: The TRG-41. The TRG-S M995 (Magnum) was produced until 2003 and chambered in eight standard chamberings and fourteen magnum chamberings, including .338 Lapua Magnum. All TRG-S M995 rifles utilized the same stock and receiver designed for a maximum cartridge length of 95 mm (3.74 in). Four different sized detachable box magazines and three different bolt bodies were used to accommodate the dimensionally different rifle cartridges offered. A carbine variant of

2432-525: The TRG-S was also produced that according to Sako literature featured a 520 mm (20.5 in) long barrel. However, M995 carbines imported to the United States featured a 495 mm (19.5 in) barrel and were chambered in .375 H&H Magnum only. Sako planned to produce a short action TRG-S M975 designed for a maximum cartridge length of 75 mm (2.95 in), that would have been based on

2496-500: The barrel's central axis, allowing the weapon to tilt left and right. Some designs also allow the weapon to be rotated side-to-side. There are three ways for bipods to be folded: away from the shooter, towards the shooter, or into a vertical foregrip. The first known use of bipods on firearms can be traced back to hand cannons of the 12th century , which were cast iron barrels laid on top of short poles. Bipods on rifles are first known to have been used in an improvised fashion during

2560-481: The beginning of the war was officially called Olive Drab #33 (OD33), while officer's uniforms used the much darker Olive Drab #51 (OD51). Field equipment was in Olive Drab #3 (OD3), a very light, almost khaki shade. In 1943 new field uniforms and equipment were produced in the darker Olive Drab #7 (OD7). This was in turn replaced by the slightly grayer Olive Green 107 ( OG-107 ) in 1952, which continued as

2624-482: The bolt body were ruggedised. These general 2013 upgrades are backwards compatible with older TRG sniper rifles. Exclusive for the .338 Lapua Magnum chambered TRG-42 model a new bolt featuring double plunger ejectors was introduced in 2013 to improve the ejection reliability of dimensionally large and heavy .338 Lapua Magnum rifle cases. In 2018 Sako introduced the TRG-22 A1 and TRG-42 A1 models. The TRG A1 models have

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2688-682: The bolt handle; the small torx key is built into the centre of the bolt knob and the barrel wrench is integrated into the base of the bolt handle. An additional set of Torx keys are stored inside a small detachable polymer forend, which are necessary for full disassembly of the gun. Sako states that the TRG M10 factory acceptance tests with high quality match ammunition has an accuracy of 1 MOA (0.291 mil ) for .338 Lapua Magnum and .300 Winchester Magnum chambered models and ⅔ MOA (0.194 mil) for .308 Winchester chambered models. A 2019 TRG M10 spare parts catalologue offered accessories in black or coyote brown coloured surface finishes and accessories for using

2752-428: The buttstock is adjustable for length of pull and height. The cheek-piece and rear support are also adjustable for height. These adjustment options allow shooters of various sizes and shapes to tailor the TRG folding stock to their personal preferences, which is an uncommon feature for folding stocks. The pistol grip body has a steel loop for a hook type military sling swivel. Sako TRG folding stock rifles are supplied with

2816-617: The chamber. The TRG M10 has a side-folding and fully adjustable buttstock, featuring an aluminium middle chassis frame, side-folding buttstock, and a fore-end with the M-LOK rail interface system that allows for direct accessory attachment onto "negative space" (hollow slot) mounting points, ambidextrous controls, a manual safety that is located inside the trigger guard which is in front of the trigger, and uniquely designed tactical indicators which helps identify different modular components for different calibres, where every calibre-depending component

2880-468: The color of combat uniforms through the Vietnam War until the adoption in 1981 of the four-color-camouflage-patterned M81 Battle Dress Uniform , which retained olive drab as one of the color swatches in the pattern. The shade used for painting vehicles is defined by Federal Standard 595 in the United States. As a solid color, it is not as effective for camouflage as multi-color patterns, though it

2944-472: The company, Gerald had applied for a patent on the bipod. In 2019, their successful Harris Bipods have been produced for nearly forty years, and have remained relatively unchanged. Recent advances in manufacture of bipods include use of lightweight materials such as aluminium, carbon fiber and titanium, use of different quick attachment and detachment mechanisms (Picatinny, M-LOK, etc. or even magnets ) and various types of feet materials such as rubber, metal, or

3008-417: The end of the forestock. The latest bipod version is one of a few rifle bipods that lets the rifle swivel or "hang" just above its bore axis offering a more stable shooting position with large and heavy aiming optics mounted. It has a narrower leg angle due to complaints that the previous version interfered with some night vision systems mounted forward of the telescopic sight. Further versions of accessories are

3072-483: The individual shooter. The buttplate is adjustable for both height and pitch. Finally, the cheek-piece is adjustable for both height and pitch as well. The stock features two steel sling swivel attachment sockets positioned at the right and left rear sides of the buttstock. Forward sling attachment is achieved by inserting and fixing a metal sling mount into a metal rail which runs under the forestock or forend. This forward sling attachment point can be (re)positioned along

3136-430: The length of the rail for right- or left-handed use and is fixed with a screw. The factory carrying/shooting sling itself features quick mountable and detachable metal swivels. The swivels are mounted by pushing them into an attachment socket and detached by pushing integrated buttons in the swivels and pulling them out of the attachment sockets. A folding skeleton type buttstock designed for right- and left-handed shooters

3200-631: The long bolt-action; these features should be appreciated by the shooter during multiple firings that require rapid projectile placement on the target. The bolt handle is the appropriate length and sports a large synthetic bulbous knob that provides a firm, positive grip. On top of the receiver a 17 mm (0.67 in) integral dovetail rail with shape connection drillings for one or more recoil lugs provides for fixing mounting components to accommodate different types of optical or electro-optical sights. Folding iron sights can be obtained for secondary or emergency use. The receiver's large bedding surface

3264-400: The mid-19th century, particularly by frontiersmen hunting American bison and other wild animals. For example, the painting "The Long Shot" by Howard Terpning shows native American hunters shooting a rifle with an improvised bipod consisting of two crossed arrows. During the 20th century, use of dedicated bipods increased, and was seen on different types of rifles during wars. For example

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3328-550: The preceding models in the Sako TRG line. It can switch between .308 Winchester (7.62×51mm NATO), .300 Winchester Magnum and .338 Lapua Magnum chamberings by changing the bolts, magazines, forends and barrels, to adapt to various requirements in the field. When it was first introduced, it was marketed for "military and law enforcement only". It was entered as a contender for the Precision Sniper Rifle program by

3392-611: The receiver was designed with a built-in 30-MOA Picatinny rail . The TRG A1 models do not offer the user configurable multi calibre modular system of the Sako TRG M10 Sniper Weapon System. The bolts of the TRG A1 models all feature double plunger ejectors introduced earlier for the .338 Lapua Magnum TRG-42 and the TRG-22 A1 model expands the chambering palette with 6.5mm Creedmoor . In 2024 the TRG-62 A1

3456-444: The relative ease of chambering it in arms designed for .308 Winchester sized cartridges, though the 6.5 Creedmoor (6.5×49mm) maximal overall length is 0.64 mm (0.025 in) longer compared to the .308 Winchester. For the .308 Winchester chambering the 280 mm (1 in 11 inch) or 36.7 calibres right-hand twist rate with four grooves was selected over the 305 mm (1 in 12 inch) or 40 calibres, traditionally found for

3520-459: The rest of the (single caliber) TRG line. Even though the TRG-21 obtained its origins from the successful Sako TR-6 target rifle and 1984–1986 development work for the hardly produced Valmet Sniper M86 rifle by the former Finnish state firearms company Valmet which merged with Sako, the 4.7 kg (10 lb 6 oz) TRG-21 was designed as a result of a thorough study of sniper requirements. In 1989 Sako Ltd. (Riihimäki, Finland) introduced

3584-467: The rifle to move off target. Trigger travel is short with no noticeable over-travel. The trigger mechanism can be removed without additional disassembling of the rifle. The firing pin travel is 6.5 mm (0.26 in). The trigger guard is dimensioned to allow easy access with gloved fingers. The safety lever is located in front of the trigger inside of the trigger guard and can be operated without producing mechanical noise. The two-position safety locks

3648-457: The standard twist rate for the .338 Lapua Magnum chambering. Due to the .338 Lapua Magnum cartridge dimensions it is a long TRG-41/TRG-42 bolt-action chambering. The two-stage trigger mechanism displays an adjustable trigger pull weight of 1 to 2.5 kgf (2.2 to 5.5 lbf) and can be adjusted for length, horizontal and vertical pitch. The advantage of these features is to prevent trigger movement in an inappropriate direction that would cause

3712-420: The trigger mechanism, locks the bolt in closed position and blocks the firing pin . The safety is on when it is in its rearmost position. It is off when it is pushed to its most forward position. When the weapon is cocked the firing pin protrudes 1.6 mm (0.06 in) from the rear of the bolt-action, making it possible to feel if the weapon is ready to fire or not in poor visibility. The TRG stock design

3776-487: The trigger unit used in the A1 range and TRG-10 and 350 or 380 gr (22.7 or 24.6 g) 9.5×77mm associated ammunition. The muzzle brake was revised to a four-chamber set up for the new dimensionally larger and more powerful 9.5×77mm chambering. The top of the receiver was revised to a built-in 30-MOA or 45-MOA NATO Accessory Rail . It is marketed for "military and law enforcement only". A future TRG-62 A1 variant chambered for

3840-544: The up to 115.50 mm (4.55 in) long .408 CheyTac (10.36×77mm) cartridge is under development. Sako never totally forgot the target rifle origins of the TRG system. The necessary accessories to attach sighting components such as match grade peep sights or target aperture sights and a mirage strap are all available. Equipped with these accessories the TRG can be used for non military or law enforcement tasks such as 300 m UIT standard rifle competition, CISM competition or other kinds of full bore target shooting. The rifle

3904-426: The vertical axis ( panning ) and even the longitudinal axis ( tilting ). A bipod by itself, with only two supporting legs, is not completely stable and needs to be reinforced by at least one more point of support to be steady, especially against the horizontal shearing force from recoils . This third point of support is typically the buttstock that is firmly pushed/braced against the shooter's body, but can also be

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3968-455: The world" commonly used in plain tobacco packaging , was initially described as a shade of olive green. Black olive is a color in the RAL color matching system . It is designated as RAL 6015 . The color "black olive" is a representation of the color of black olives . Bipod A bipod is a V-shaped portable attachment that helps support and steady a device, usually a weapon such as

4032-483: Was added to the A1 range as the third and largest iteration, as its action was designed for a maximum cartridge length of well over 95 mm (3.74 in). The up to 113.40 mm (4.46 in) long .375 CheyTac (9.5×77mm) cartridge was selected and introduced to the TRG range to extend the achievable effective range up to 2,000 m (2,187 yd), without having to deal with substantial bolt thrust or breech pressure increase related drawbacks. The TRG-62 A1 uses

4096-530: Was selected to optimise the rifle for firing 16.2 gram (250 grain) .338-calibre very-low-drag bullets. As of 2009 .338 Lapua Magnum barrels can also be supplied with a 254 mm (1 in 10 inch) or 30.3 calibres twist rate optimised to stabilise longer, heavier very-low-drag bullets like the Sierra HPBT MatchKing and Lapua Scenar .338-calibre 19.44 gram (300 grain) bullets. The traditional 254 mm (1 in 10 inch) has since become

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