[18], The Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) made a regulatory determination in 2013 that the muzzle device of the SIG Sauer MPX Carbine, adapted from the baffle core of the integrally suppressed version's suppressor and claimed by SIG to be a muzzle brake, constituted a silencer and rendered the MPX-C a Title II NFA weapon. SIG Sauer, the rifle's maker, sued the ATF in 2014 to have the designation overturned. We now offer an ever-growing variety of firearms related products to customers throughout the USA. The rifle received a new barrel with a chrome-lined bore and 4 right-hand grooves at a 200 mm (1:7.87 in) or 37 calibres rifling twist rate. gmwe (in stock) 5.0 (2) ak-47 ma-1214 nightbrake 30 caliber. On the right side of the field of view a stadiametric rangefinder is incorporated that can be used to determine the distance from a 1.5 meters (4 ft 11.1 in) tall object from 400 to 1,200 m (437 to 1,312 yd). These holes divert a portion of the gases expelled prior to the departure of the projectile in a direction that reduces the tendency of the firearm to rise. [48], The Kalashnikov Concern has further developed three sets of additional equipment for the modernization of 5.45×39mm and 7.62×39mm chambered AK-pattern assault rifles for normal military units, reconnaissance units, and special forces units. Left to right; Russian soldiers with AS Val, AKS-74U and AK-74M. The muzzle thread pitch on AKS-74U is identical to that of the AK-74. This rear sight has two settings: "П" standing for постоянная (constant) corresponding to a 350 m (383 yd) "point-blank range" battle zero setting and "4-5" (used for firing at distances between 400–500 m (437–547 yd)). 7.62x39 Bolt Carrier Group- Black Nitride | USA MADE. This page was last edited on 20 February 2021, at 21:58. The AK-12, AK-15 and RPK-16 technically stronger resemble the AK-74M, AK-100 series and RPK-74M than the earlier prototypes and the arms manufacturer Kalashnikov concern hopes they will replace these Russian service guns. [35] Most organs and tissue were too flexible to be severely damaged by the temporary cavity effect caused by yaw and cavitation of a projectile. The AK-74 (Russian: Автомат Калашникова образца 1974 года or "Kalashnikov automatic rifle model 1974") is an assault rifle developed in the early 1970s by Soviet weapons designer Mikhail Kalashnikov to replace the earlier AKM (itself a refined version of the AK-47). Additionally, the 5.45×39mm AK-107 and 5.56×45mm NATO AK-108 rifles have a balanced recoil system to reduce felt recoil and muzzle rise. The reticle consist of a main 400 m "chevron" (^), a 500 m (547 yd) holdover dot and smaller additional holdover chevrons for 600 m (656 yd) and 700 m (766 yd) and is tritium-illuminated for low-light condition aiming.[29][30]. On the AKM assault rifle, the brake also angles slightly to the right to counteract the sideways movement of the rifle under recoil. Of course, this also means the gases are directed toward the shooter. The problem is particularly pronounced when armour-piercing fin-stabilized discarding-sabot (APFSDS), a type of long-rod penetrator (LRP) (or kinetic energy penetrator) are used. Stechkin (TKB-0116), S.G. Simonov (AG-043), A.S. Konstantinov (AEK-958), and Yevgeny Dragunov (who called his model "MA"). Note: All, 7.62×39mm AK magazines are backwards compatible with older AK variants.Note *: 10.12 kg (22.3 lb) is the maximum amount of ammo that the average soldier can comfortably carry. Most linear compensators redirect the gases forward. It introduced a radical blade cross-section, that has a flat milled on one side near the edge and a corresponding flat milled on the opposite side near the false edge. The AKS-74U also exists in a version featuring modernized synthetic furniture made from a black, glass-filled polyamide. However, due to the extremely short barrel and conical end of the booster, the muzzle blast is nevertheless extremely large and visible. $42.00. Parallel developments are the RPK-16 light machine gun and the AM-17 compact assault rifle (both chambered in 5.45×39mm). Both the gas tube and handguard are also of a new type and are wider and shorter than the analogous parts in the AKS-74. [21][22] For the AK-74 combined with the 7N6 or 7N10 service cartridges the 400 m battle zero setting point-blank range limits the apparent "bullet rise" within approximately −5 to +38 cm (−2.0 to 15.0 in) under the line of sight. Blue steel brakes reduce muzzle flip and flash.Technical InformationMaterial:Steel Length:3" Note: Fits AK-47 pattern 7.62mm caliber barrels Firearms with less height from the grip line to the barrel centerline tend to experience less muzzle rise. [9] The concept is an application of Newton's third law; the exhaust directed upward causes a reciprocal force downward. The strategy of a muzzle brake is to redirect and control the burst of combustion gases that follows the departure of a projectile. The AK-12 completed its operational testing and passed military field tests in June 2017, paving the way to Russian Army adoption, potentially under the Ratnik program. This consists of a small length of tubing mounted at right angles to the end of the barrel. The AK-74 was equipped with a new buttstock, handguard (which retained the AKM-type finger swells) and gas cylinder. These rust-colored magazines are often mistakenly identified as being made of Bakelite (a phenolic resin), but were actually fabricated from two-parts of AG-S4 molding compound (a glass-reinforced phenol-formaldehyde binder impregnated composite), assembled using an epoxy resin adhesive. [56] US journalist C. J. Chivers reported that the gun was nicknamed "the Osama" in jihadist circles, after Osama bin Laden was photographed next to an AKS-74U. The build-up of gases inside the gas cylinder drives the long-stroke piston and bolt carrier rearward and a cam guide machined into the underside of the bolt carrier along with an ejector spur on the bolt carrier rail guide, rotates the bolt approximately 35° and unlocks it from the barrel extension via a camming pin on the bolt. Further, flinch (involuntary pre-trigger-release anxiety behavior resulting in inaccurate aiming and shooting) caused by excessive recoil may be reduced or eliminated. A stadiametric rangefinder is incorporated that can be used to determine the distance for a soldier sized target from 400 to 700 m (437 to 766 yd). [15] Troops often wet the ground in front of antitank guns in defensive emplacements to prevent this, and snipers are specially trained in techniques for suppressing or concealing the magnified effects of lateral muzzle blast when firing rifles with such brakes. It was specifically designed to handle full auto and high volume fire. Besides reducing felt recoil, one of the primary advantages of a muzzle brake is the reduction of muzzle rise. Quickview. There were some accessories produced for the AKS-74U including a plastic thigh holster and (shorter than standard) 20-round AK-74 type magazines. [20], Learn how and when to remove these template messages, Learn how and when to remove this template message, armour-piercing fin-stabilized discarding-sabot (APFSDS), Bureau of Alcohol, Tobacco, Firearms, and Explosives, "Brownells - Firearms, Reloading Supplies, Gunsmithing Tools, Gun Parts and Accessories", https://www.youtube.com/watch?v=PY4-fmql19w, "Jump Is Taken Out Of Guns By Cylinders On MuzzlePopular Mechanics", Summary of a Finnish government report (1992) on silencers, muzzle brakes and noise levels, Schalldämpfer = Gehörschützer für Jäger, data collected on noise levels, "More About: Shooting/Hunting Hearing Protection", "Department of Justice Regulations for Assault Weapons and Large Capacity Magazines", "SIG Sauer sues ATF for calling its 'muzzle brake' a gun silencer", https://en.wikipedia.org/w/index.php?title=Muzzle_brake&oldid=999551795, Articles with dead external links from February 2018, Articles with permanently dead external links, Articles with German-language sources (de), Articles lacking in-text citations from April 2018, Articles that may contain original research from January 2021, All articles that may contain original research, Articles with multiple maintenance issues, Articles with unsourced statements from August 2018, Creative Commons Attribution-ShareAlike License, This page was last edited on 10 January 2021, at 19:32. 0 reviews-Write a review. Soviet naval infantrymen in 1990 with bayonet-equipped AKS-74 rifles. A rear-mounted sling swivel is also provided on the right side at the beginning of the stock frame. [citation needed]. In late 2016 it was reported the AK-12 production model was undergoing troop trials with the Russian Army, where it competes against the Degtyarov A-545 balanced action assault rifle in Ratnik program trials. The muzzle device locks into the gas block with a spring-loaded detent pin and features two parallel notches cut into the edge of the flash hider cone, used for unscrewing it using the cleaning rod. The experts at Spikes Tactical crafted these Muzzle Brakes & Compensators from billet 4140 chromoly bar stock w/ a heat-treated nitride finish, creating an impossibly rugged platform that is highly resistant to corrosion and … Though there are numerous ways to measure the energy of a recoil impulse, in general, a 10% to 50% reduction can be measured. To reduce production costs, barrel hardware, such as the front sight base and gas block, are dimple pressed on to the barrel instead of pinned on (commercial semi-auto variants are still pinned on to maintain user serviceability). Some muzzle brake manufacturers claim greater recoil reduction percentages. CNC Warrior is a private corporation in Charlotte, North Carolina. At the time, it was believed that yawing and cavitation of projectiles were primarily responsible for tissue damage. The "point-blank range" battle zero setting "П" standing for постоянная (constant) the 5.45×39mm AK-74 rear tangent sight element corresponds to a 400 m (437 yd) zero, compared with the 300 m (328 yd) zero for 7.62×39mm AKs. The momentum of the diverted gases thus does not add to the recoil. 'modernised') assault rifle that offers more versatility compared with its predecessor. A muzzle brake or recoil compensator is a device connected to, or a feature integral to the construction of, the muzzle or barrel of a firearm or cannon that is intended to redirect a portion of propellant gases to counter recoil and unwanted muzzle rise. By Soviet TTT (тактико-технические требования) order number 008407 from 19.17.1973, Guide 5.45-mm Kalashnikov (AK74, AK74S, AK74N, AKS74N) and 5,45 mm RPK (RPK74, RPKS74, RPK74N, RPKS74N) - M . Add to Cart. The AKS-74U was also used as the basis for several other unique weapons, including the bullpup OTs-14 Groza specialist carbine which is now in limited service in the Russian military, and the Gepard series of multi-calibre submachine guns (none of which evolved past prototype stage). [36][37][38][39] Noted for their durability, these magazines did however compromise the rifle's camouflage and lacked the small horizontal reinforcing ribs running down both sides of the magazine body near the front that were added on all later AK-74 magazine generations. The AKS-74U cannot mount a bayonet or standard under-barrel grenade launcher. The bullet guide and bolt guide were also separated, with the bolt guide becoming a simple bump held in place on the left side of the receiver with an additional rivet (often called a "bump rivet" because of this) making it easier to replace in case of wear. For the 5.45×39mm AK-74, the East German Zeiss ZFK 4×25, 1P29, Belorussian BelOMO PO 3.5×21P, PO 4×24P and the 1P78 Kashtan dedicated side rail mounted optical sights were developed. Martin Fackler conducted a study with an AK-74 assault rifle using live pigs and ballistic gelatin; "The result of our preset test indicate that the AK-74 bullet acts in the manner expected of a full-metal-cased military ammunition - it does not deform or fragment when striking soft tissues". The reticle is an inverted aiming post in the top half of the field of view and is tritium-illuminated for low-light condition aiming. : Military publishing the Ministry of Defence of the USSR, 1982, Guide 5.45-mm Kalashnikov assault rifle short AKS74U (AKS74UN2) (1992). Krinkov style muzzle extension. Each AK-74M is fitted with a side-rail bracket for mounting optics that is a simplified version of the 74N mount with less machining cuts. The empty weight of a 30-round AK-74 box magazine is 230 g (8.1 oz). [28] When mounted the 1P78 sight is positioned centered above the receiver. Factory OEM gas chamber serves a dual purpose by collecting propellant gas to aid in the cycling of the pistol action. It retains the pistol grip reinforcement plate the AKMS used, though due to the less complex rear trunnion, only has one riveting hole in place of the three on the AKMS. The thread on this break is 26 x 1.5 Left Hand Thread. Any errors in range estimation are tactically irrelevant, as a well-aimed shot will hit the torso of the enemy soldier. Unlike most Kalashnikov variants there is no provision to store the cleaning rod under the barrel. The State of California outlaws flash suppressors on semiautomatic rifles with detachable magazines, but allows muzzle brakes to be used instead. The front sight was integrated into the gas block/forward sling loop. The AKS-74U is significantly more maneuverable in tight quarters than the AKS-74; however, the significant decline in muzzle velocity to 735 m/s (2,411 ft/s) resulted in a 100 m (109 yd) reduction in effective range to 400 m (437 yd) (the effective hitting distance for a "running"-type silhouette target was reduced from 625 m (684 yd) to 360 m (394 yd)). The 1P29 is issued with a canvas pouch, a lens cleaning cloth, combination tool, two rubber eyecups, two eyecup clamps and three different bullet drop compensation (BDC) cams for the AK-74/AN-94, RPK-74 and PK machine gun. Unlike the AKMS's somewhat fragile underfolding stock (modeled after the MP 40 submachine gun stock), the AKS-74 stock is fabricated from stamped sheet metal struts, machine pressed into a "U" shape and assembled by punch fit and welding. The addition of a brake makes it even easier to control your weapon, especially once you start pulling that trigger fast. Kalashnikov (PP1), I.Y. [59][60][61] Both AK-12 and AK-15 completed testing in December 2017. Price: $39.99 View product. Captured AKS-74U in the background as Hamid Mir interviews Osama bin Laden in the late 1990s, 'Обвес' Universal Upgrade Kit for the AK-74M and AK-100 rifle family. The empty weight of a 45-round RPK-74 box magazine is 300 g (11 oz). TacFire AK-47 Muzzle Brake 14:1 LH Twist Four Prong Stainless Steel TacFire AK-47 Muzzle Brake 14:1 LH Twist Four Pron... Our Low Price $29.97 QuickView TacFire 7.62 39mm 14-1 Left Hand Thread Bell Shape Muzzle Brake Steel Black TacFire 7.62 39mm 14-1 … A hypothesis was circulating that the name came from the mujahideen who supposedly had captured a high-ranking Soviet officer armed with an AKS-74U, and that they had named it after him. When mounted the 1P29 sight is positioned centered above the receiver at a height that allows the use of the iron sights. With the 5.45 mm bullet, tumbling produced a temporary cavity twice, at depths of 100 mm (3.9 in) and 350 mm (13.8 in). The reactive forces from the fired bullet and propellant gases exiting the muzzle act directly down the centerline of the barrel. Kalashnikov also presented an additional design (A1-75) which differed from PP1 by having a modified muzzle for flash and noise suppression.

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