Primary Weapons Ar 15 Mk1 Mod 1 M Upper Receiver Assembly 300 Blackout M Lok Mk109 Mod 1 M Upper Receiver 9.75 Barrel 300blk US Specs & Supply
Reliable Rifle Upper Receivers by Primary in US specification & supply
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US gunsmith supply: The primary weapons systems mk1 mod 1-m line of upper receivers feature the pws long stroke piston system. Internally, this line offers the tried and true system that pws owners have grown to know and love. Featuring a free-float mlok handguard, forward assist controls, and a more true to mil-spec design, the mk1 mod 1-m line is a go-to for not only civilians, but also law enforcement. With the fully forged upper, the mk1 mod 1-m is a no-nonsense tool for when you need a high value option that is relentless and unstoppable. Pws bring back the original mk109 in 300blk. The 9.75" barrel length provides excellent reliability with a range of ammunition and still function well, with o mfg: primary weapons. Find here reliable & durable gunsmith supplies including rifle upper receivers by Primary. US supply MPN: 18M109UB0B. Primary weapons ar 15 mk1 mod 1 m upper receiver assembly 300 blackout m lok mk109 mod 1 m upper receiver 9.75 barrel 300blk. Distributor SKU: 100031916-100031916-11224.
 Indicative Price: USD 892.99
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Vltor Weapon Systems Ar 15 Assembled Upper Receiver 5.56 Keymod Black US Specs & Supply
USD 399.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Vltor and brownells have partnered to offer an exclusive ar-15 upper receiver assembly that gives you top quality parts in a budget friendly package. The vltor's 7075, hard coat anodized, forged aluminum mur-1a upper receiver is the foundation of this upper receiver assembly. The vltor's 15" keymod freedom rail goes over a ballistic advantage 16" barrel that has a pinned ballistic advantage low profile gas block with gas tube, and an a2 flasher hider on the muzzle. Forged from 7075 aluminum 15" keymod freedom rail ballistic advantage 16" barrel no charging handle or bolt carrier group are included, allowing you to select t mfg: vltor weapon systems. Find here reliable & durable gunsmith supplies including rifle upper receivers by Vltor. US supply MPN: VLTORBROU16. Vltor weapon systems ar 15 assembled upper receiver 5.56 keymod black. Distributor SKU: 100024210-100024210-11224.
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Cross Machine Tool Co. Ar 15 Complete Upper Reciever M Lok .224 Valkyrie Complete Upper Receiver M Lok .224 Valkyrie 20" US Specs & Supply
USD 1,185.00
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Cross machine & tool (cmt) is now offering complete .224 valkyrie ar-15 upper receivers that feature the same proven formula that led cross machine & tool to victory in the 2017 precision rifle series tac lite pro division. The complete ar-15 upper chambered in .224 valkyrie features a 15" hdx mod 4 m-lok handguard, a 20" .224 valkyrie barrel made from 416r stainless steel and has been air gauged to -.0002" for the ultimate in precision. The i.B.C. Model is unique in that it has its muzzle brake and crown machined into the barrel to help keep your scope on target and track impacts. 20" 1:7 twist 416r stainless steel barrel ch mfg: cross machine tool co., inc. Find here reliable & durable gunsmith supplies including rifle upper receivers by Cross. US supply MPN: 224UPR20. Cross machine tool co. ar 15 complete upper reciever m lok .224 valkyrie complete upper receiver m lok .224 valkyrie 20". Distributor SKU: 100027275-100027275-11224.
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Brownells M4 Upper Receiver Assembly 5.56x45mm Nato 16" M4 Upper Receiver Assembly 5.56x45mm 16" US Specs & Supply
USD 349.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Available exclusively from brownells, the ballistic advantage m4 upper receiver comes fully assembled with all the small parts installed. Just add the charging handle, bolt carrier group, and muzzle device you want and install it on the mil-spec lower receiver of your choice. Ballistic advantage gave this m4 upper receiver a top-quality fn barrel with a true g.I. M4 profile, including the m203 grenade launcher cutout up front to give it an authentic military look. Made out of extra-hard 4150 steel the barrel has button broached 1-7" rifling to stabilize any standard 5.56 bullet, with m4 feed ramps for reliable feeding of rounds into the chamber. Bore and chamber are chrome lined mfg: brownells. Find here reliable & durable gunsmith supplies including rifle upper receivers by Brownells. US supply MPN: 100-024-937. Brownells m4 upper receiver assembly 5.56x45mm nato 16" m4 upper receiver assembly 5.56x45mm 16". Distributor SKU: 100024937-100024937-11224.
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Cmmg Upper Complete M4le Carb 9mm 16" Wasp US Specs & Supply
USD 749.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: 9mm upper receiver mil-spec a3 upper receiver 4140 w.A.S.P. Barrel with 1:10 twist ramped 9mm bolt uses standard ar-15 / m16 hammer not for use with dedicated 9mm hammer f marked front sight base the upper complete m4le carbine 9mm 16-inch wasp is the right choice to convert your m4 carbine to a 9mm carbine. Since the upper is complete this is a snap on, snap off addition. It has a ramped 9mm bolt that uses standard ar-15 / m16 hammer. Not for use with dedicated 9mm hammer. Uses existing fire control, just modify the magazine well to be shooting 9mm pistol ammunitions. Mfg: cmmg specs: 9mm upper, mil-spec a3 receiver, 4140 wasp barrel with 1:10 twist, ramped 9mm bolt uses standard ar-15/m16 hammer, not for use with 9mm hammer, f marked front sight base. Find here reliable & durable gunsmith supplies including rifle upper receivers by CMMG. US supply MPN: 90B1AA2. Cmmg upper complete m4le carb 9mm 16" wasp. Distributor SKU: 100007275-100007275-11224.
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Radical Firearms Ar 15 16" Upper Assembly 5.56 Socom Hybrid Rail No Bcg Or Ch US Specs & Supply
USD 291.87
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The radical firearms 16" socom upper receiver is a flat top, law-enforcement grade, drop in receiver, ready to be mounted to any mil-spec ar-15 lower receiver! this fully mil-spec compliant receiver provides a high-quality upper for any level budget or shooter. Comes complete and assembled with upper receiver, forward assist, ejection port door, barrel nut. 16" socom profile barrel and a2 flash hider. 16" socom melonite barrel 4150v chrome moly 1 in 7" twist rate hpt/mpi 5.56 nato chamber m4 feed ramps low profile micro gas block 12" radical firearms hybrid keymod handguard: features reverse keymod sections so your mfg: radical firearms. Find here reliable & durable gunsmith supplies including rifle upper receivers by Radical. US supply MPN: FU16556SOC12. Radical firearms ar 15 16" upper assembly 5.56 socom hybrid rail no bcg or ch. Distributor SKU: 100023349-100023349-11224.
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Brownells Ar 15 Premium Upper Assembly Build Kit US Specs & Supply
USD 87.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The kit contains the basic parts to help you build an ar-15 upper assembly. It includes a stripped upper receiver, a forward assist assembly, and an ejection port assembly. The upper receiver is forged from 7075-t6 aluminum and has m4-type feed cuts inside for reliable feeding. It is compatible with standard or mil-spec lowers and components. Premium upper assembly build kit has an aero precision stripped upper receiver (100-010-612), high standard forward assist assembly (430-000-524), and a high standard ejection port cover assembly (430-000-523). Mfg: brownells. Find here reliable & durable gunsmith supplies including rifle upper receivers by Brownells. US supply MPN: 080-001-274. Brownells ar 15 premium upper assembly build kit. Distributor SKU: 080001274-080001274-11224.
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Fm Products Inc Ar 15 9mm Upper Receivers M Lok Assembled Ar 15 Fm 9 16" 9mm Upper Receiver M Lok Assembled Black US Specs & Supply
USD 425.00
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The foxtrot mike products 9mm upper receiver comes fully assembled and ready to drop on any pistol caliber lower receiver that uses glock magazines. With its full-length picatinny top rail and m-lok compatible handguard, the foxtrot mike 9mm upper offers plenty of mounting space for optics and other accessories. A unique interlocking connector between the upper receiver and handguard ensures the barrel nut will not work loose over time. Premium melonite-finished 4150 carbone steel button-rifled bore, 1-10" twist β½"-36 threaded muzzle ambidextrous, non-reciprocating forward charging handle bolt/carrier unit with hard melonite finish, to mfg: fm products inc. Find here reliable & durable gunsmith supplies including rifle upper receivers by FM. US supply MPN: FM916UR. Fm products inc ar 15 9mm upper receivers m lok assembled ar 15 fm 9 16" 9mm upper receiver m lok assembled black. Distributor SKU: 100024843-100024843-11224.
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Gibbz Arms Ar 15/M16 G4 Side Charging Upper Receiver US Specs & Supply
USD 240.00
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The gibbz arms g4 side charging upper receiver is a non-reciprocating upper receiver with a detent to keep the charging handle forward during operation, and uses all mil-spec and most custom bolt carriers without modification. The gibbz arms g4 side charging upper receiver features an enlarged ejection port and will work with ar-15 calibers from 22lr to 50 beowulf. Beveled ejection port full 15 slot picatinny rail bolt carrier door in the rear to allow for easy bolt carrier removal and gasses in during operation (important for suppressed fire). Compatible with mil-spec and most other lowers receivers enhanced cam-pin optimized for side charge upper with mel mfg: gibbz arms. Find here reliable & durable gunsmith supplies including rifle upper receivers by Gibbz. US supply MPN: G4UR. Gibbz arms ar 15/m16 g4 side charging upper receiver. Distributor SKU: 100015448-100015448-11224.
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Aero Precision M4e1 Assembled Upper Receiver 10.5" 5.56mm Carbine Length M4e1 Assembled Gen2 Upper 10.5 Car Length 9 Handguard US Specs & Supply
USD 374.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Aero precision's m4e1 5.56mm 10.5" carbine upper receiver comes fully assembled, lacking only a bolt/carrier group and charging handle, the two most popular components for customization. At its heart is aero's forged m4e1 receiver that combines the look of a custom billet receiver with "mil-spec" parts compatibility (including bcg and charging handle) and a proprietary attachment system for the included handguard. Aero has fitted the m4e1 5.56mm 10.5" carbine upper receiver with a barrel of high-grade 4150 chrome-moly-vanadium carbon steel chambered for 5.56mm nato ammunition, so it will safely handle civilian .223 remington ammo too. The versatile 10 mfg: aero precision. Find here reliable & durable gunsmith supplies including rifle upper receivers by Aero Precision. US supply MPN: APAR640221M2. Aero precision m4e1 assembled upper receiver 10.5" 5.56mm carbine length m4e1 assembled gen2 upper 10.5 car length 9 handguard. Distributor SKU: 100025505-100025504-11224.
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Fn 15/Ar 20" Rifle Upper Receiver Assembly US Specs & Supply
USD 834.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Fnh usa fn15/ar upper receiver assemblies, built to meet the demands of law enforcement and military operators, competitors and sportsmen alike, fn complete upper assemblies have been designed with your needs in mind. Precise quality and compliance criteria ensure the highest degree of engineering and craftsmanship is employed in production and testing to secure consistent optimum performance. Mfg: fn specs: barrel: barrel length 20". Cold hammer forged proprietary crmov barrel steel . Hard-chrome lined to mil-std 171. M4 feed ramps. High pressure tested. Magnetic particle inspected (mpi). Manganese phosphate finish. Chambered in 5.56x45mm. 1:7 rh twist. Bolt carrier group: m16/a. Find here reliable & durable gunsmith supplies including rifle upper receivers by FN. US supply MPN: 36427. Fn 15/ar 20" rifle upper receiver assembly. Distributor SKU: 119000259-119000259-11224.
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Vltor Weapon Systems Ar 15/M16 Modular Upper Receiver Mur Upper Receiver US Specs & Supply
USD 199.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The mur is a flattop upper receiver with thicker walls than a standard upper to provide a more rigid platform for greater stability, better accuracy, longer service life, and improved reliability. Precision machined from a fully heat-treated and cryogenically stress-relieved aluminum forging, before hand finishing to final dimensions. All critical interface points are 100% compatible with mil-spec select-fire ar-15/m16/m4 components and lower receivers, and will fit most commercial semi-auto lowers. A slick, dry-lube coating over the hard-anodized finish further guards against surface wear and helps ensure smooth operation of bolt/carrier and other internal components. Comes with true mil mfg: vltor weapon systems specs: 7075 t6 aluminum, type iii, class 2 hardcoat anodized, dry lube coating, matte black. .250" dia. Pivot/takedown pin holes. Find here reliable & durable gunsmith supplies including rifle upper receivers by Vltor. US supply MPN: MUR1A. Vltor weapon systems ar 15/m16 modular upper receiver mur upper receiver. Distributor SKU: 100004042-100004042-11224.
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Daniel Defense Ddm4v11 16" 5.56mm Nato Lightweight Upper Receiver Black Ddm4v11 16" 5.56mm Nato 1 7 Light 15" Slim Rail Upper US Specs & Supply
USD 987.00
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The daniel defense ddm4v11 lightweight carbine upper receiver was designed for shooters who elect to run a dd slim rail and opt for keymod technology. The new 15" slim rail provides a lighter, faster carbine while maximizing necessary durability. The slim rail also allows the shooter's support hand to be extended resulting in more precise delivery downrange. The ddm4v11 lw lightweight carbine upper receiver is manufactured from mil-spec aluminum and features m4 feed ramps and hard coat anodized finish. This lightweight upper also offers a hammer forged chrome moly 16" barrel in a 1-7 twist. Pinned low profile gas block machined from 4140 harden mfg: daniel defense. Find here reliable & durable gunsmith supplies including rifle upper receivers by Daniel. US supply MPN: 2.3151E+11. Daniel defense ddm4v11 16" 5.56mm nato lightweight upper receiver black ddm4v11 16" 5.56mm nato 1 7 light 15" slim rail upper. Distributor SKU: 100024475-100024475-11224.
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Midwest Industries Ar 15 Upper Receiver Assembly 16" 5.56 Upper Receiver Assembly 16" 223 Wylde M Lok Black US Specs & Supply
USD 575.00
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The midwest industries complete 16" 5.56 upper receiver assembly is ready to install on the mil-spec lower of your choice. Chambered in .223 wylde, this rifle is ready to shoot military-type 5.56x45mm ammo or civilian .223 remington with equal accuracy. The "pencil"-profile barrel won't weigh you down. The midwest industries complete 16" 5.56 upper receiver assembly comes with mi's own lightweight, free float, m-lok g3 handguard. It sports a two-port muzzle brake mounted on the β½100-023-932-28 threaded muzzle. 12.6" m-lok handguard for plenty of accessory-mounting versatility 7075 t6 forged aluminum upper receiver m4-type mfg: midwest industries, inc. Find here reliable & durable gunsmith supplies including rifle upper receivers by Midwest. US supply MPN: MIN16M. Midwest industries ar 15 upper receiver assembly 16" 5.56 upper receiver assembly 16" 223 wylde m lok black. Distributor SKU: 100023932-100023932-11224.
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Brownells Ar 15 Assembled Upper Receiver Keymod 5.56 Nato Ar 15 Assembled Upper Receiver W/O Ch Or Bcg 5.56 Nato US Specs & Supply
USD 289.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: This brownells' exclusive ar-15 upper receiver is made in the usa. Chambered in 5.56 nato and featuring a 16" barrel with a 1:8 twist. The standard a3 13-slot aluminum flat top receiver comes with a 10" handguard utilizing the keymod rail system. A low profile gas block, forward assist, ejection port cover and phosphate finish help to complete this package. Left out of this upper are the bolt carrier group as well as the charging handle so you can customize the upper any way you want! the a3 upper receiver will attach to almost any standard ar-15 lower receiver. Mfg: brownells. Find here reliable & durable gunsmith supplies including rifle upper receivers by Brownells. US supply MPN: BRO556MS16KM10S. Brownells ar 15 assembled upper receiver keymod 5.56 nato ar 15 assembled upper receiver w/o ch or bcg 5.56 nato. Distributor SKU: 100023019-100023019-11224.
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Knights Armament Sr 15 E3 Mod 2 Upper Receivers M Lok Ar 15 Upper Receiver Carbine Mod 2 14.5" Urx 4 M Lok US Specs & Supply
USD 1,962.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Knight's armament company, or kac, is known to many for their top tier, military issued rifles and parts. Brownells is proud to offer this line of knight's armament sr-15 mod 2 complete upper receivers that allow you to easily complete a build or upgrade a rifle with battle proven quality. Built around a chrome lined, cold hammer forged barrel in your choice of 11.5", 14.5" 16" & 18" lengths with a mod 2 gas block, and fitted with a kac 3 prong qdc suppressor compatible flash hider. The knight's armament sr-15 mod 2 complete upper receivers feature the urx m-lok handguards that each have 2 anti-rotation qd sling swivel sockets and ev mfg: knights armament. Find here reliable & durable gunsmith supplies including rifle upper receivers by Knights Armament. US supply MPN: 31949. Knights armament sr 15 e3 mod 2 upper receivers m lok ar 15 upper receiver carbine mod 2 14.5" urx 4 m lok. Distributor SKU: 100023387-100023386-11224.
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Item on this page: Primary Weapons Ar 15 Mk1 Mod 1 M Upper Receiver Assembly 300 Blackout M Lok Mk109 Mod 1 M Upper Receiver 9.75 Barrel 300blk US Specs & Supply
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