Primary Weapons Ar 15 Mk1 Mod 1 M Upper Receiver Assembly 223 Wylde M Lok Mk111 Mod 1 M Upper Receiver 11.85 Barrel .223 Wylde US Specs & Supply







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Primary Weapons Ar 15 Mk1 Mod 1 M Upper Receiver Assembly 223 Wylde M Lok Mk111 Mod 1 M Upper Receiver 11.85 Barrel .223 Wylde US Specs & Supply

Primary Weapons Ar 15 Mk1 Mod 1 M Upper Receiver Assembly 223 Wylde M Lok Mk111 Mod 1 M Upper Receiver 11.85 Barrel .223 Wylde US Specs & Supply


Reliable Rifle Upper Receivers by Primary in US specification & supply



US gunsmith supply: The pws 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. The shortest available option in the mk1 mod 1-m series, the mk107 is based off of the first firearm developed by pws. Known as "the diablo", the mk107 was designed to rep mfg: primary weapons. Find here reliable & durable gunsmith supplies including rifle upper receivers by Primary. US supply MPN: 18M111UA0B. Primary weapons ar 15 mk1 mod 1 m upper receiver assembly 223 wylde m lok mk111 mod 1 m upper receiver 11.85 barrel .223 wylde. Distributor SKU: 100031913-100031912-11224.

Indicative Price: USD 892.99
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Aero Precision M4e1 Assembled Upper Receiver .300 Blackout Black M4e1 Assembled Gen 2 Upper Receiver 8 Pistol Length US Specs & Supply
Aero Precision M4e1 Assembled Upper Receiver .300 Blackout Black M4e1 Assembled Gen 2 Upper Receiver 8 Pistol Length US Specs & Supply


USD 403.99
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: From aero precision, the ar-15 m4e1 .300 blackout assembled upper receivers. Chambered in 300 blackout, the upper is finished with black anodizing and available in three lengths, each with different length handguards. This upper does not come with the charging handle or bolt carrier group, allowing the user to personalize their upper receiver even more! the aero precision assembled upper receiver also features: m-lok em-7 7" for 8" barrel, 9" handguard for 10" barrel, 15" handguard for 16" barrel 8", 10", and 16" carbine length chrome moly barrel pistol length gas system w/ low profile gas block standard a2 mu mfg: aero precision. Find here reliable & durable gunsmith supplies including rifle upper receivers by Aero Precision. US supply MPN: APAR640211M1. Aero precision m4e1 assembled upper receiver .300 blackout black m4e1 assembled gen 2 upper receiver 8 pistol length. Distributor SKU: 100025512-100025512-11224.

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Aero Precision Ar 15/M16 Stripped Upper Receiver Black W/Markings US Specs & Supply
Aero Precision Ar 15/M16 Stripped Upper Receiver Black W/Markings US Specs & Supply


USD 49.99
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The aero precision stripped upper receiver is machined from 7075 aircraft aluminum for superior strength and features a super tough, type 3 hardcoat anodized finish for excellent wear resistance. Available with or without markings finish: matte black models available with laser-engraved t-marks and an american flag on the picatinny rail, or without markings. The aero precision stripped upper receiver is compatible with mil-spec ar lowers, standard components and features m4 feed ramps. Mfg: aero precision specs: 7075 t6 aluminum, hardcoat anodized, matte black. Uses .250" pivot and takedown pins. Available with black, fde/desert ,. Find here reliable & durable gunsmith supplies including rifle upper receivers by Aero Precision. US supply MPN: APAR501602C. Aero precision ar 15/m16 stripped upper receiver black w/markings. Distributor SKU: 100010612-100010612-11224.

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Lewis Machine & Tool Ar 15 A2 Upper Receiver Stripped Blemished Ar 15 A2 Upper Receiver Stripped Black US Specs & Supply
Lewis Machine & Tool Ar 15 A2 Upper Receiver Stripped Blemished Ar 15 A2 Upper Receiver Stripped Black US Specs & Supply


USD 129.99
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The lewis machine & tool a2 stripped upper receiver is a perfect option for those looking to build up an ar with carry handle style upper receiver. Forged aluminum construction stripped matte black mil-spec anodizing interior dry film lubricated mfg: lewis machine & tool. Find here reliable & durable gunsmith supplies including rifle upper receivers by Lewis. US supply MPN: LMP151. Lewis machine & tool ar 15 a2 upper receiver stripped blemished ar 15 a2 upper receiver stripped black. Distributor SKU: 100030192-100030192-11224.

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Colt Ar15a4 Upper Rcvr Flattop Mod. Carb US Specs & Supply
Colt Ar15a4 Upper Rcvr Flattop Mod. Carb US Specs & Supply


USD 149.99
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Ar15a4 upper rcvr, flattop, mod. Carb mfg: colt. Find here reliable & durable gunsmith supplies including rifle upper receivers by Colt. US supply MPN: SP63526. Colt ar15a4 upper rcvr flattop mod. carb. Distributor SKU: 160308268-160308268-11224.

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Aero Precision M4e1 Assembled Upper Receiver .300 Blackout Black M4e1 Assembled Gen 2 Upper Receiver 10 Pistol Length US Specs & Supply
Aero Precision M4e1 Assembled Upper Receiver .300 Blackout Black M4e1 Assembled Gen 2 Upper Receiver 10 Pistol Length US Specs & Supply


USD 421.99
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: From aero precision, the ar-15 m4e1 .300 blackout assembled upper receivers. Chambered in 300 blackout, the upper is finished with black anodizing and available in three lengths, each with different length handguards. This upper does not come with the charging handle or bolt carrier group, allowing the user to personalize their upper receiver even more! the aero precision assembled upper receiver also features: m-lok em-7 7" for 8" barrel, 9" handguard for 10" barrel, 15" handguard for 16" barrel 8", 10", and 16" carbine length chrome moly barrel pistol length gas system w/ low profile gas block standard a2 mu mfg: aero precision. Find here reliable & durable gunsmith supplies including rifle upper receivers by Aero Precision. US supply MPN: APAR640221M4. Aero precision m4e1 assembled upper receiver .300 blackout black m4e1 assembled gen 2 upper receiver 10 pistol length. Distributor SKU: 100025513-100025512-11224.

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Lewis Machine & Tool Ar 15 Cqb Upper Receivers 5.56 Picatinny Cqb Upper Receiver 16" Picatinny 5.56 US Specs & Supply
Lewis Machine & Tool Ar 15 Cqb Upper Receivers 5.56 Picatinny Cqb Upper Receiver 16" Picatinny 5.56 US Specs & Supply


USD 699.99
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: While the new zealand military might not be anyone's first thought when it comes to emulating a country's military-issue arm, there's no question that the kiwis have a unique battle rifle that's worth replicating. The lewis machine & tool cqb starter kit will get users on their way to having a unique ar-15 that rounds out their military collection. Each lewis machine & tool cqb starter kit includes a monolithic upper receiver that is compatible with any standard mil-spec lower receiver. The kits include a chrome-lined barrel in a new zealand profile, which is surrounded by a picatinny-railed, carbine-length handguard. Chambered in 5.56 nato twist mfg: lewis machine & tool. Find here reliable & durable gunsmith supplies including rifle upper receivers by Lewis. US supply MPN: L7S116. Lewis machine & tool ar 15 cqb upper receivers 5.56 picatinny cqb upper receiver 16" picatinny 5.56. Distributor SKU: 100032265-100032265-11224.

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Radical Firearms Ar 15 Upper Receiver Assembly 5.56 M4 16" Carbine Ar 15 Upper 5.56 M4 16" Barrel Carbine Gas 12" Fgs Handguard US Specs & Supply
Radical Firearms Ar 15 Upper Receiver Assembly 5.56 M4 16" Carbine Ar 15 Upper 5.56 M4 16" Barrel Carbine Gas 12" Fgs Handguard US Specs & Supply


USD 239.99
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The radical firearms m4 16" 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 forged upper receiver, forward assist, ejection port door and barrel nut. These uppers also come installed with radical firearm's fgs free float handguard, which features qd points at various points along its round exterior. Barrel is machined from 4150v chrome moly steel, melonited, has a 1-7 twist & is chambered in 5.56x45mm nato. Upper & barrel feature m4 feed ramps. A2 flash hid mfg: radical firearms. Find here reliable & durable gunsmith supplies including rifle upper receivers by Radical. US supply MPN: FU16556M412F. Radical firearms ar 15 upper receiver assembly 5.56 m4 16" carbine ar 15 upper 5.56 m4 16" barrel carbine gas 12" fgs handguard. Distributor SKU: 100806003-100806003-11224.

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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
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


USD 892.99
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
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.

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F 1 Firearms Ar 15 Billet Stripped Upper Receiver Ar 15 Stripped Billet Upper Receiver Black US Specs & Supply
F 1 Firearms Ar 15 Billet Stripped Upper Receiver Ar 15 Stripped Billet Upper Receiver Black US Specs & Supply


USD 261.25
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The f-1 firearms udr-15 universal upper receiver is the best of both worlds. The upper receiver is made with 7075-t6 aircraft quality domestic aluminum ensuring quality and offers the signature f-1 firearms 3g skeletonizing for reduced weight and aesthetics. This upper receiver is also universal which makes it compatible with any mil-spec lower out there. Udr-15-3g universal upper receiver manufactured from high grade 7075-t6 billet aluminum unnecessary surfaces milled out for lightest reliable configuration black, type iii class 2 hard anodizing mfg: f-1 firearms llc. Find here reliable & durable gunsmith supplies including rifle upper receivers by F.J. Feddersen. US supply MPN: UDR153GBLK. F 1 firearms ar 15 billet stripped upper receiver ar 15 stripped billet upper receiver black. Distributor SKU: 100023268-100023268-11224.

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Daniel Defense Mk18 Stripped Socom Upper Receiver W/ Handguard Only US Specs & Supply
Daniel Defense Mk18 Stripped Socom Upper Receiver W/ Handguard Only US Specs & Supply


USD 774.99
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Daniel defense manufactures the highest quality complete ar-15 upper receivers on the market today! every daniel defense upper is painstakingly hand assembled, quality assurance tested, and test fired to ensure that the highest quality product makes it to the hands of customers. The upper receiver is mil-spec with indexing marks and m4 feed ramps. Cnc machined of 7075-t6 aluminum, type iii hard coat anodized, color is black. The barrel is chrome-moly vanadium steel, cold hammer forged in a 1:7 twist, 10.3" government profile, chrome lined. The handguard is the daniel defense ris ii mk18 model. It is cnc machined of 6061-t6 aluminum, and type iii hard coat anodized, flat dark ear mfg: daniel defense specs: upper receiver: cnc machined 7075-t6 aluminum. Barrel: chrome moly vanadium steel, 1:7 twist, 10.3". Gas system: cnc machined 4140 hardened steel. Handguard: cnc machined 6061-t6 aluminum. The handguard is flat dark earth and the upper receiver is black. Find here reliable & durable gunsmith supplies including rifle upper receivers by Daniel. US supply MPN: 100-018-030. Daniel defense mk18 stripped socom upper receiver w/ handguard only. Distributor SKU: 100018030-100018030-11224.

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Rock River Arms A4 9mm Upper Receiver US Specs & Supply
Rock River Arms A4 9mm Upper Receiver US Specs & Supply


USD 662.99
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Sub-caliber upper assemblies allow fast and simple conversion of ars chambered in .223 to 9mm luger. True, dedicated, complete upper receivers are assembled from military specification components; includes a wilson, 1-10 twist barrel, bolt and carrier, charging handle, shell deflector, heat-shield lined handguards, sling swivel, and a1-style flash hider. Additional items not included but required for conversion to 9mm are a 9mm magazine (739-000-014); magazine adapter, action spring, and recoil buffer (080-000-442). A4 unit has flattop receiver that accepts most aftermarket accessories designed to fit a picatinny rail. Mfg: rock river arms specs: barrel, 4140 steel, blue, matte finish, 16" (40.6cm) long, .725" (18cm) o.D. Receiver, aluminum, anodized finish, matte black. Designed to fit lower receiver with .25" (6.3mm) diameter takedown pins. Find here reliable & durable gunsmith supplies including rifle upper receivers by Rock River. US supply MPN: 9MM0350B. Rock river arms a4 9mm upper receiver. Distributor SKU: 739000013-739000013-11224.

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Brownells M4a1 Socom Upper Receiver Assembly 5.56x45mm Nato 16" M4a1 Socom Upper Receiver Assembly 5.56x45mm 16" US Specs & Supply
Brownells M4a1 Socom Upper Receiver Assembly 5.56x45mm Nato 16" M4a1 Socom Upper Receiver Assembly 5.56x45mm 16" US Specs & Supply


USD 349.99
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Ready for your next custom build, m4 a1 socom upper receiver assembly comes fully assembled with ejection port cover and forward assist already installed. Using superior components sure to appeal to the discerning builder, the m4a1 socom upper receiver assembly is topped with an fn m4a1 profile barrel, capable of standing up to sustained fire. Made from 4150 steel, the 16" barrel has a chrome lined bore and chamber for excellent corrosion resistance and long barrel life. Chambered in 5.56 nato, the m4a1 socom upper receiver assembly barrel sports the classic m4 profile with front m203 cutout to give it that traditional military appearance. Button broached with 1-7" mfg: brownells. Find here reliable & durable gunsmith supplies including rifle upper receivers by Brownells. US supply MPN: 100-024-938. Brownells m4a1 socom upper receiver assembly 5.56x45mm nato 16" m4a1 socom upper receiver assembly 5.56x45mm 16". Distributor SKU: 100024938-100024938-11224.

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Daniel Defense Ddm4v11 16" 5.56mm Nato Upper Receiver Black Ddm4v11 16" 5.56mm Nato 1 7 15" Slim Rail Upper US Specs & Supply
Daniel Defense Ddm4v11 16" 5.56mm Nato Upper Receiver Black Ddm4v11 16" 5.56mm Nato 1 7 15" Slim Rail Upper US Specs & Supply


USD 987.00
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The daniel defense ddm4v11 carbine upper receiver was designed for shooters who prefer to run the new slim rail with keymod technology. The new 15" slim rail has incredible weight savings while maintaining strength and durability, but still allowing users to have their support hand extended out to drive the gun more precisely. The ddm4v11 upper receiver features a hard coat anodized mil-spec aluminum upper with m4 feed ramps and a hammer forged chrome moly 16" barrel in a 1-7 twist with a government profile. Threaded muzzle: 1/2-28 tpi pinned low profile gas block machined from 4140 hardened steel, mid-length daniel defense 17-4 ph stainless steel 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 upper receiver black ddm4v11 16" 5.56mm nato 1 7 15" slim rail upper. Distributor SKU: 100024474-100024474-11224.

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Heckler & Koch Hk416 Upper Receiver Assembled Hk416 Upper Receiver With Bushing US Specs & Supply
Heckler & Koch Hk416 Upper Receiver Assembled Hk416 Upper Receiver With Bushing US Specs & Supply


USD 399.99
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Factory hk 416 stripped upper receiver. This is an original hk parts, with the included bushing for the piston assembly. Receiver is machined from hk forging and has a matte black anodized finish. Compatible with ar15 style lower receivers and hk416 upper components. Mfg: heckler & koch. Find here reliable & durable gunsmith supplies including rifle upper receivers by Heckler & Koch. US supply MPN: 100-027-908. Heckler & koch hk416 upper receiver assembled hk416 upper receiver with bushing. Distributor SKU: 100027908-100027908-11224.

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Luth Ar 15 A3 Stripped Upper Receiver A3 Upper Receiver Stripped US Specs & Supply
Luth Ar 15 A3 Stripped Upper Receiver A3 Upper Receiver Stripped US Specs & Supply


USD 108.05
(Indicative price - actual current price possibly lower)


Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Luth-ar factory replacement a3 stripped upper receiver. Fits standard ar-15 rifles. Mfg: luth-ar llc. Find here reliable & durable gunsmith supplies including rifle upper receivers by Luth-Ar. US supply MPN: FTTEA. Luth ar 15 a3 stripped upper receiver a3 upper receiver stripped. Distributor SKU: 100028054-100028054-11224.

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