However, a suppressed 30 mm BS-1 grenade launcher was developed specifically for that platform that fires a high-explosive dual purpose (HEDP) grenade. They then use both the vertical and horizontal measurements of the reduced groups to measure accuracy. 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. This is the basic principle behind a linear compensator. Krinkov Muzzle Brake 14-1 LH Thread 3-PC Muzzle Brake (7.62x39), Click image for details. It is commonly used by law enforcement; for example, each urban police foot patrol is issued at least one. A modernized AK-74 displayed in 2013 by Internal troops special units. gmwe (in stock) 5.0 (2) ak-47 ma-1214 nightbrake 30 caliber. The shooter, gun crew, or close bystanders may perceive an increase in sound pressure level as well as an increase in muzzle blast and lead exposure. Another problem can occur when saboted ammunition is used as the sabot tends to break up inside the brake. For the AKS-74s combined with the 7N6 or 7N10 service cartridges the 350 m battle zero setting limits the apparent "bullet rise" within approximately −5 to +42 cm (−2.0 to 16.5 in) relative to the line of sight. 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. [9] The head of the Afghan bureau of the Pakistani Inter-Services Intelligence claimed that the CIA paid $5,000 for the first AK-74 captured by the Mujahideen during the Soviet–Afghan War. Like the AK-47 and AKM, the muzzle is threaded for the installation of various muzzle devices such as the standard muzzle brake or a blank-firing adaptor, while a spring-loaded detent pin held in the front sight post prevents them from unscrewing while firing. We’ve supplied industrial, aerospace, and military customers with quality machined parts since 1955. Apart from several minor improvements, such as a lightened bolt and carrier assembly to reduce the impulse of the gas piston and bolt carrier during firing, the rifle features a new glass-filled polyamide stock that retains the shape of the original AK-74 fixed laminated wood stock, but side-folds to the left like the skeletonised AKS-74 buttstock. [19] In September 2015, Federal Judge Paul Barbadora upheld the ATF's ruling; despite SIG successfully establishing that the weapon did not suppress the weapon's sound, the ATF successfully established that it was intended to suppress the sound, which was legally sufficient. Modernized AK-74M assault rifles displayed in 2015 by VDV troops. Due to the fact that the AKS-74U is moderately concealable with its stock folded and capable of easily defeating IIIa soft body armour, it continues to be able to perform the role of a modern Personal Defense Weapon, despite being designed in the 1970s. The variants designated AK-74N2 and AKS-74N2 can use the multi-model night vision sight NSPUM (1PN58).[47]. Access to top-notch machinists, programmers, designers, and equipment allows us to efficiently manufacture … 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). [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. The AK-74 and AKM share an approximate 50% parts commonality (interchangeable most often are pins, springs and screws).[9][15][16]. AK-74 rifle family overview and AK-100 models based on it. [55] The rear sight is housed in a semi-shrouded protective enclosure that is riveted to the receiver's spring-loaded top cover. When the brake redirects the gases directly backward, instead, the effect is similar to the reverse thrust system on an aircraft jet engine: any blast energy coming back at the shooter is pushing "against" the recoil, effectively reducing the actual amount of recoil on the shooter. A rear-mounted sling swivel is also provided on the right side at the beginning of the stock frame. Our specialists are always available to answer your questions. MPI-KM-74 with magazines and 5.45×39mm (7N6) ammunition can. 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. A flat plate near the end of the brake produces a forward thrust … This lets a shooter realign a weapon's sights more quickly. The empty weight of a 30-round AK-74 box magazine is 230 g (8.1 oz). [25][26][27], The current Russian standard side rail mounted optical sight for the AK-74M is the 2.8×17 1P78 Kashtan, an aiming optic more similar to the American ACOG. SIG Sauer, the rifle's maker, sued the ATF in 2014 to have the designation overturned. There were some accessories produced for the AKS-74U including a plastic thigh holster and (shorter than standard) 20-round AK-74 type magazines. [28] When mounted the 1P78 sight is positioned centered above the receiver. This is relevant for fully automatic weapons. Quickview. Soldiers are instructed to fire at any target within this range by simply placing the sights on the center of mass (the belt buckle, according to Russian and former Soviet doctrine) of the enemy target. [20], The AK-74 uses an adjustable notched rear tangent iron sight calibrated in 100 m (109 yd) increments from 100 to 1,000 m (109 to 1,094 yd). The 1P29 is intended for quickly engaging point and area targets at various ranges and is zeroed for both windage and elevation at 400 m (437 yd). It also allows for best comparison of the three most common 7.62×39mm AK platform magazines and the 5.45×39mm AK-74 magazine. 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". [41], The transition to mainly plastic magazines and the relatively small sized, light weight, high velocity 5.45×39mm cartridge yielded a significant weight reduction and allow a soldier to carry considerably more rounds for the same weight compared with the previous Soviet AK-47 and AKM and later 7.62×39mm chambered AK platform assault rifles.[13]. 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 … It comes with a .223/.556 … [3] If that line of force is above the center of the contact points, this creates a moment or torque (rotational force) that causes the firearm to rotate and the muzzle to rise. [14] Compared with the preceding AKM, the AK-74 has better effective range, firing accuracy (a main development goal), and reliability. In January 2018 it was announced that the AK-12 and AK-15 have been adopted by the Russian military.[62]. In 1991 the Izhmash factory in the city of Izhevsk began full-scale production of a modernised variant of the AK-74—the AK-74M ("М"—Russian: Модернизи́рованный, tr. Comes with a jam nut. 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)). 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. The internal guide rails on which the bolt carrier travels are stamped and spot welded to the inside of the receiver housing. gmwe (in stock) 5.0 (4) ak-47 dragon muzzle brake 30 caliber ... ak-47 krinkov brake 30 caliber. [17], The S&W Model 500 revolver features a muzzle brake, The muzzle brake of a 30mm Mauser autocannon, The arrowhead-shaped muzzle brake on the Barrett M82 anti-materiel/sniper rifle, The prominent muzzle brake of the PGM Hecate II. They have been used in various forms for rifles and pistols to help control recoil and the rising of the barrel that normally occurs after firing. The buttstock, lower handguard and upper heatguard were first manufactured from laminated wood, this later changed to a synthetic, plum or dark brown colored fiberglass. Porting has the undesired consequences of shortening the effective barrel length and reducing muzzle velocity, while a muzzle brake is an extension added to the barrel and does not reduce muzzle velocity. The grenades for the BS-1 are launched by special blank cartridges that are inserted into the grenade launcher via a detachable magazine. A final round of large scale testing with Kalashnikov's model was performed by airborne divisions in the Transcaucasian Military District in March 1977. [31] It also has saw-teeth on the false edge and the usual hole for use as a wire-cutter. The AK is a potent gun chambered in a powerful little cartridge that hits hard but features low recoil overall. The stock has a shoulder pad different from that on the AKM, which is rubber and serrated for improved seating against the shooter. AR-15 15" Custom USA Made M-Lok Super Slim Light Free Float Handguard "D" Cut-RAW (MADE IN USA) Add to Cart Add to Wish List Compare this Product. [9][13] These improvements were primarily the result of converting the rifle to the intermediate-calibre high velocity 5.45×39mm cartridge. Since the usage of standardized ammunition is an important prerequisite to match the BDC feature to the external ballistic behaviour of the employed projectiles, these military optical sights are intended to assist with field shooting at varying medium to longer ranges rather than precise long range shots. 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. The rifle's compact dimensions, compared with the AKS-74, were achieved by using a short 206.5 mm (8.1 in) barrel (this forced designers to simultaneously reduce the gas piston operating rod to an appropriate length). Besides reducing felt recoil, one of the primary advantages of a muzzle brake is the reduction of muzzle rise. Blue steel brakes reduce muzzle flip and flash.Technical InformationMaterial:Steel Length:3" Note: Fits AK-47 pattern 7.62mm caliber barrels The Krinkov has a muzzle booster/flash hider with a distinctive closed single chamber and conical front flash hider portion. [32] Tests measured the free recoil energy delivered by the 5.45×39mm AK-74 rifle at 3.39 J (2.50 ft⋅lb), compared with 7.19 J (5.30 ft⋅lb) delivered by the 7.62×39mm in the AKM.[33]. Krinkov style muzzle extension. When folded, the stock is held closed by a spring-loaded capture hook situated on the left side at the front of the receiver housing. The AKS-74U has a different rear sight composed of a U-shaped flip sight on the top cover instead of the standard sliding notch tangent rear sight. Does not reduce muzzle rise but redirects flash and concussion downrange. In the West, one fires a group of shots into the target and then simply measure the overall diameter of the group. The gas block contains a gas channel that is installed at a 90° angle in relation to the bore axis to reduce bullet shear at the port hole. This balanced recoil system is derived from the AL-7 rifle. 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. A serious tactical disadvantage of muzzle brakes on both small arms and artillery is that, depending on their designs, they may cause escaping gases to throw up dust and debris clouds that impair visibility and reveal one's position, not to mention posing a hazard to individuals without eye protection. 1-piece Krinkov style muzzle brake is made of all steel construction with a heat treated, erosion resistant Black oxide finish. The receiver remains nearly identical to that of the AKM; it is a U-shaped 1 mm (0.04 in) thick sheet steel pressing supported extensively by pins and rivets. The origin of this term is uncertain. The AKS-74 ("S"—Russian: складной; Skladnoy, or "folding"), is a variant of the AK-74 equipped with a side-folding metal shoulder stock, designed primarily for use with air assault infantry and developed alongside the basic AK-74. Barrels with an integral muzzle brake are often said to be ported.The concept of a muzzle brake was first introduced for … AR-15 Krinkov Muzzle Flash Can Brake; AR-15 Krinkov Muzzle Flash Can Brake. $42.00. In general, this is more accurate than the AK-47 and the AKM. The empty weight of a 45-round RPK-74 box magazine is 300 g (11 oz). 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. If gases are directed upward, they will exert a downward force and counteract muzzle rise. Or maybe the Polish", "Terminal ballistics of the Russian AK 74 assault rifle: Two wounded patients and experimental findings", "Wounding Potential of the AK-74 Assault Rifle", "A Brief History of the Kalashnikov Magazine Part 2: Synthetic Magazines", "A Guide to 5.45mm Kalashnikov Magazine Types", "Официальный сайт группы предприятий "ИЖМАШ, "Kalashnikov to show off upgraded AK-74M at Victory Day parade (including image)", "An improved Kalashnikov rifle will be on display at the Victory Day Parade A universal upgrade kit improves the weapon's effectiveness by 1.5 times", "Russian Armed Forces Upgrade Kit for AK-74M Wednesday, June 17, 2015", "The Krinks that never were, AKSU trial rifles", "Experimentation, use, and variants of the Russian AKS74U", "AKS-74U Kalashnikov shortened assault rifle", "Russia completes trials of newest assault rifle for 'soldier of the future' combat gear", "Kalashnikov AK-12 Assault Rifle Passes Field Trials", "BREAKING: Russian Army Adopts AK-12, AK-15, AEK-971, and AEK-973 Rifles for Military Service (For Real This Time) - Thefirearmblog.com, 31 January 2018", "TECHNICAL REPORT NO. [14] Since these APFSDS rounds are the most common armour-piercing ammunition currently, virtually no modern main battle tank guns have muzzle brakes. The chrome-lined muzzle booster also burns any remaining propellant, which would normally reduce muzzle blast. The Russians on the other hand, fire a group of shots into the target. Another advantage of a muzzle brake is a reduction of recoil fatigue during extended practice sessions, enabling the shooter to consecutively fire more rounds accurately. [17] After ignition of the cartridge primer and propellant, rapidly expanding propellant gases are diverted into the gas cylinder above the barrel through a vent near the muzzle. The 1P78 is intended for quickly engaging point and area targets at various ranges and is zeroed for both windage and elevation at 400 m (437 yd). 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. The thread on this break is 26 x 1.5 Left Hand Thread. The AK-74M would have been adopted by the Soviet Union as the standard service rifle, and has been accepted as the new service rifle of the Russian Federation. It was intended for use mainly with special forces, airborne infantry, rear-echelon support units, helicopter and armored vehicle crews. [19] The standard-issue AK-74 muzzle brake has been subtly revised several times since the 1970s. Quickview. Early AK-74 with magazine made of AG-S4 molding compound and laminated wood furniture, Modern personal defense weapons (PDWs) and cartridges. Muzzle Brakes are awesome little devices that allow you to maintain rigid control over your gun at all times. Standard eye and ear protection, important for all shooters, may not be adequate to avoid hearing damage with the muzzle blast partially vectored back toward the gun crew or spotters by arrowhead shaped reactive muzzle brakes found on sniper team fired anti-materiel rifles like the Barrett M82. With the introduction of the AK-74M the fourth generation of steel-reinforced matte true black nonreflective surface finished 30-round AK-74 magazines was introduced. 0 reviews-Write a review. The original steel-reinforced 30-round AK-74 detachable box magazine was similar to that of the AKM, except for minor dimensional changes required by the 5.45×39mm cartridge. [10], Measurements indicate that on a rifle, a muzzle brake adds 5 to 10 dB to the normal noise level perceived by the shooter, increasing total noise levels up to 160 dB(A) ± 3 dB. 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 . All muzzle brake designs share a basic principle: they partially divert combustion gases from the muzzle end of the bore, at a generally perpendicular angle to the long axis of the barrel. McManners, Hugh (2003). This top cover hinges from a barrel trunnion (hinging where the rear sight on a normal AK74 is located), pivoting forward when opened, which also works to unlock the gas tube cover. The muzzle thread pitch on AKS-74U is identical to that of the AK-74. 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 TTT specifications required a weight no greater than 2.2 kg (4.9 lb), a length of 75 cm (29.5 in)/45 cm (17.7 in) with the stock unfolded/folded, and an effective firing range of 500 m (547 yd). The angle toward which the gases are directed will fundamentally affect how the brake behaves. 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. Buy Now. This page was last edited on 20 February 2021, at 21:58. In September 2016 the prototype models were replaced by the final production models of the AK-12 (chambered in 5.45×39mm) and AK-15 (chambered in 7.62×39mm) assault rifles. 'modernised') assault rifle that offers more versatility compared with its predecessor. [571×720]", "North Korean Small Arms (Democratic People's Republic of Korea)", https://www.tactical-life.com/firearms/rifles/north-korean-ak-rifles/, "AK-74M, T-72B and "Solntsepyok": which Russian weapon detected in Syria", "Fuelling Fear: The Lord's Resistance Army and Small Arms", "Half a Billion and Still Counting: Global Firearms Stockpiles", "Dossier on LTTE Weapons | Military Technology | Projectile Weapons", https://www.bellingcat.com/news/mena/2015/02/19/from-russia-with-love-syrias-ak-74ms/, https://www.apnews.com/ea84ec09dcd74b0e9de73a164d6d2cc0, Military Historical Museum of Artillery, Engineers and Signal Corps, Kalashnikov Concern/Izhmash—manufacturer's website 5.45 mm Assault Rifle AK74M, Tula Arms Plant—makers of the AKS-74U carbine, Technical data, instructional images and diagrams of the AK-47M, http://russianguns.ru/wp-content/uploads/2009/10/2501606.jpg, List of modern Russian small arms and light weapons, https://en.wikipedia.org/w/index.php?title=AK-74&oldid=1007970900#Variants, Weapons and ammunition introduced in 1974, Military equipment introduced in the 1970s, Short description is different from Wikidata, Articles lacking in-text citations from April 2016, Articles containing Russian-language text, Articles to be expanded from February 2016, Articles needing translation from Russian Wikipedia, Articles with unsourced statements from October 2019, Articles with unsourced statements from February 2020, Articles with unsourced statements from January 2021, Articles with Russian-language sources (ru), Creative Commons Attribution-ShareAlike License, AKS-74 (stock extended): 943 mm (37.1 in), AKS-74U (stock extended): 735 mm (28.9 in), AK-74M (stock extended): 943 mm (37.1 in), 880–900 m/s (2,887–2,953 ft/s) (AK-74, AKS-74, AK-74M), 500 m (550 yd) ((AK-74, AKS-74, AK-74M point target), 800 m (870 yd) (AK-74, AKS-74, AK-74M area target). Further 60-round and later 50-round quad-stack 5.45×39mm casket magazines were developed. When the gases are primarily directed upward, the braking is referred to as porting. The AK-101, AK-102, AK-103 and AK-104 are destined primarily for export, while the AK-105 is slated to replace the AKS-74U with the Russian Armed Forces. Licensed copies were produced in Bulgaria (AK-74, AKS-74 and AKS-74U), and the former East Germany (MPi-AK-74N, MPi-AKS-74N, MPi-AKS-74NK). Early 5.45×39mm ballistics tests demonstrated a pronounced tumbling effect with high speed cameras. Minor changes were made to the front barrel and rear stock trunnions as well as the magazine well. Approx outer diameter: 1.38" Spikes Tactical SAKB0100: The Barking Spider is designed to redirect the noise, blast, and concussion forward away from the shooter (down range). The rifle first saw service with Soviet forces in the 1979 Afghanistan conflict. They are also common on small-bore vermin rifles, where reducing the muzzle rise lets the shooter see the bullet impact through a telescopic sight. A reduction in recoil also reduces the chance of undesired (painful) contacts between the shooter's head and the ocular of a telescopic sight or other aiming components that must be positioned near the shooter's eye (often referred to as "scope eye"). Includes detent pin device to . This is why firearms are never ported on the bottom of the barrel, as that would exacerbate muzzle rise, rather than mitigate it. We now offer an ever-growing variety of firearms related products to customers throughout the USA. [13], Brakes and compensators also add length, diameter, and mass to the muzzle end of a firearm, where it most influences its handling and may interfere with accuracy as muzzle rise will occur when the brake is removed and shooting without the brake can throw off the strike of the round.[10].

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