Radian Weapons Ar 15 300blk Complete Upper Receiver Groups 300blk 8.7" Model 1 Blk Complete Upper Receiver Black US Specs & Supply
Reliable Rifle Upper Receivers by Radian in US specification & supply
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US gunsmith supply: Sub-moa accuracy guarantee w/ black hills match grade ammunition billet machined 7075-t6 upper receiver w/ m4 feed ramps proprietary extended aluminum hand guard w/ magpul m-lok modular mounting system and integrated upper/hand guard stainless steel anti-rotation pin match grade 416r stainless steel barrel w/ polished crown and feed ramps, chambered in 300 blk, threaded 5/8 x 24 enhanced black nitride m16 bolt carrier group dlc coated lightweight titanium forward assist radian raptor-sd suppressor-optimized ambidextrous charging handle direct impingement gas system 8.7" & 14.5" 300 blk: pistol-length sil mfg: radian weapons. Find here reliable & durable gunsmith supplies including rifle upper receivers by Radian. US supply MPN: R0027. Radian weapons ar 15 300blk complete upper receiver groups 300blk 8.7" model 1 blk complete upper receiver black. Distributor SKU: 100023414-100023414-11224.
 Indicative Price: USD 1,363.25
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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
USD 421.99
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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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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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Radical Firearms Ar 15 Complete 450 Bushmaster Upper Receivers Ar 15 20" Complete 450 Bushmaster Upper Receiver Black US Specs & Supply
USD 571.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The radical firearms complete .450 bushmaster upper receiver is a one-piece solution that allows ar owners to finish their big-bore ar builds easily or add a different caliber option for their standard ar-15 lower. The radical firearms complete .450 bushmaster upper receiver comes complete with everything needed for a fully functioning upper and is built with a 15-inch m-lok hybrid rail with picatinny-rail sections located at four different positions around the circumference of the forend. Hbar-contour barrel barrel length: 16 inches or 20 inches 16-inch barrel features mid-length gas system; 20-inch barrel features rifle-length gas system gas-block journal mfg: radical firearms. Find here reliable & durable gunsmith supplies including rifle upper receivers by Radical. US supply MPN: CFU20450BUSH1. Radical firearms ar 15 complete 450 bushmaster upper receivers ar 15 20" complete 450 bushmaster upper receiver black. Distributor SKU: 100025549-100025548-11224.
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Colt Carry Handle Upper Receiver .223/5.56 Ar15a4 Upper Rcvr Assembly Carbine US Specs & Supply
USD 178.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Build your next custom ar-15 with an original colt factory upper fully finished and ready for installation. Made from a high-quality aluminum alloy forging machined to precise tolerances for correct fit on colt lowers and clones. Hardcoat anodized for added surface strength, abrasion resistance, and corrosion protection, with a uniform, matte black finish that matches other factory components and easily accepts alternate finishes. These are "stripped" receivers (except as noted below), so you can select the bolt assembly, carrier, gas key, and other components to suit your specific needs. All models designed to accept spring-loaded ejection port covers. Carry handle cl mfg: colt specs: aluminum, hard anodized, matte black. Fits standard colt ar-15 lowers and clones with .250" pivot pins. Find here reliable & durable gunsmith supplies including rifle upper receivers by Colt. US supply MPN: SP63528. Colt carry handle upper receiver .223/5.56 ar15a4 upper rcvr assembly carbine. Distributor SKU: 160302053-160302051-11224.
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Hill & Mac Gunworks Ceteme Receiver Flat Steel Raw US Specs & Supply
USD 216.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Gun builders who use the hill & mac gunworks raw steel cetme receiver flat can rest assured knowing that they are building their cetme guns on the most visually accurate receiver flat available in the us. The company's receiver flats are as closely matched to the original receiver dimensions as possible. The hill & mac gunworks raw steel cetme receiver flat are designed and built in the usa and provide builders with the easiest possible receiver flat to build into a cetme receiver. Receiver flat counts as one 922r-compliant part can be used to construct both model l and model lc cetme receivers hmg weldment kit and bending jig kit are required to bui mfg: hill & mac gunworks. Find here reliable & durable gunsmith supplies including rifle upper receivers by Hill & Mac. US supply MPN: RC990071. Hill & mac gunworks ceteme receiver flat steel raw. Distributor SKU: 100500403-100500403-11224.
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Aero Precision M4e1 Assembled Upper Receiver .223 Wylde Black M4e1 Assembled Gen 2 Upper Receiver 16 Mid Length US Specs & Supply
USD 412.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Aero precision's m4e1 .223 wylde upper receiver provides rifle-like performance, and versatility, in a carbine-sized package. It features a .223 wylde chamber that is optimized to deliver excellent performance from both military 5.56x45mm nato and civilian .223 remington ammunition, including long, heavy (up to 80 grain) target bullets. Aero put a longer gas tube on the m4e1 .223 wylde assembled rifle receiver to slow down gas velocity for gentler cycling that leads to improved reliability and reduced wear on moving parts and the receiver. The 16" barreled model comes with a mid-length gas system, while the 18" barrel comes with a rifle-length gas tube. The m4e mfg: aero precision. Find here reliable & durable gunsmith supplies including rifle upper receivers by Aero Precision. US supply MPN: APAR640251M9. Aero precision m4e1 assembled upper receiver .223 wylde black m4e1 assembled gen 2 upper receiver 16 mid length. Distributor SKU: 100025515-100025515-11224.
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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
USD 892.99
(Indicative price - actual current price possibly lower)
Rifle Upper Receivers US Specs & 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.
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Double Star Ar 15 Stripped Ds4 Upper Ar 15 16" Ds 4 Upper W/ Lpgb No Barrel Nut US Specs & Supply
USD 199.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Double star upper with 16" ds-4 barrel, ready to be your next build's foundation. Ds-4 barrel features a 1-9 twist, m4 feedramps and a matte black, phosphate finish. Barrel is chambered in 5.56x45mm nato, and does not have chrome lining. Flat top upper receiver is ready for the attachment of picatinny accessories and barrel. Carbine gas tube and barrel assembly are ready for your choice of handguard and muzzle device. Low profile gas block installs onto the barrels .750" od gas shoulder. Mfg: double star. Find here reliable & durable gunsmith supplies including rifle upper receivers by Double Star. US supply MPN: ARBUS105. Double star ar 15 stripped ds4 upper ar 15 16" ds 4 upper w/ lpgb no barrel nut. Distributor SKU: 100017657-100017657-11224.
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Geissele Automatics Ar 15 Usasoc Upper Receiver Group Improved (Urgi) 5.56 M Lok Usasoc Upper Receiver Group Improved Complete 5.56 M Lok US Specs & Supply
USD 1,249.00
(Indicative price - actual current price possibly lower)
Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The geissele urgi ar-15 upper receiver is a near clone of the "upper receiver group improved" currently going into service with usasoc (united states army special operations command). It offers a host of improvements over the standard "mil-spec" m4 upper we've grown so accustomed to, and it will transform your ar-15 shooting experience. Brownells offers the geissele urgi upper in "stripped" form and a complete model ready to snap onto the lower of your choice and hit the range. Let's look at the complete urgi first. To begin, geissele installs a 14.5" daniel defense barrel optimized to handle the full rigors of the new m855a1 (ab57) amm mfg: geissele automatics llc. Find here reliable & durable gunsmith supplies including rifle upper receivers by Geissele. US supply MPN: 8159. Geissele automatics ar 15 usasoc upper receiver group improved (urgi) 5.56 m lok usasoc upper receiver group improved complete 5.56 m lok. Distributor SKU: 100026695-100026694-11224.
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Knights Armament Sr 15 E3 Mod 2 Upper Receivers M Lok Ar 15 Upper Receiver Lpr Mod 2 18" Urx 4 M Lok US Specs & Supply
USD 2,172.99
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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: 32309. Knights armament sr 15 e3 mod 2 upper receivers m lok ar 15 upper receiver lpr mod 2 18" urx 4 m lok. Distributor SKU: 100023389-100023386-11224.
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Cross Machine Tool Co. Ar 15 Complete Upper Reciever M Lok .224 Valkyrie Complete Upper Receiver M Lok .224 Valkyrie 24.5" I.B.C. 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: 224UPR245IB. Cross machine tool co. ar 15 complete upper reciever m lok .224 valkyrie complete upper receiver m lok .224 valkyrie 24.5" i.b.c.. Distributor SKU: 100027277-100027275-11224.
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Cross Machine Tool Co. Ar 15/M16 Billet Upper Receiver US Specs & Supply
USD 209.95
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Machined from 7075 t6 aluminum billet, the ultra precision upper receiver from cross machine tool is 65% stronger and more rigid than standard 6061 aluminum receivers. Wall thickness has also been increased for added rigidity. Type iii hardcoat anodized finish for added surface strength, abrasion resistance, and corrosion resistance. Upper is compatible with mil-spec parts and also with most aftermarket handguards and rail systems. Features m4-type feed ramps and a flattop 1913 picatinny rail with alphanumeric t-markings stamped into the slots. Both dust cover port and forward assist are machined into the receiver. Does not come with dust cover or forward assist assembly. Mfg: cross machine tool co., inc. Specs: 7075 t6 billet aluminum, hardcoat anodized, matte black. .250" (6.3mm) diameter pivot and takedown pin holes. Find here reliable & durable gunsmith supplies including rifle upper receivers by Cross. US supply MPN: UPUR1. Cross machine tool co. ar 15/m16 billet upper receiver. Distributor SKU: 100013316-100013316-11224.
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Aero Precision M4e1 Assembled Upper Receiver 10.5" 5.56mm Carbine Length M4e1 Assembled Gen2 Upper 10.5 Car Length 7 Handguard US Specs & Supply
USD 379.99
(Indicative price - actual current price possibly lower)
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: APAR640211M3. Aero precision m4e1 assembled upper receiver 10.5" 5.56mm carbine length m4e1 assembled gen2 upper 10.5 car length 7 handguard. Distributor SKU: 100025504-100025504-11224.
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Primary Weapons Ar 308 Mk2 Mod 1 M Upper Receiver 308 Win M Lok Mk220 Mod 1 M Upper Receiver 20 Barrel .308 Win US Specs & Supply
USD 1,232.99
(Indicative price - actual current price possibly lower)
Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The pws mk2 mod 1-m .308 winchester upper receivers feature the pws long stroke piston system originally designed for the ar-15 platform. What makes a short gun run, makes a long gun accurate- that being said, the mk2 is among the most reliable and accurate in its category. The mk2 line features a free float mlok handguard with fully forged upper receivers. Lightening cuts and an eliminated forward assist make the mk2 mod 1-m line a lightweight yet solid feeling firearm. The mk216 mod 1-m is ideal for shooters looking to suppress their .308. The fsc30 compensator ensures muzzle control and stability with reduced felt recoil. The mk216 mod 1-m has a 16.1" length barrel. With mfg: primary weapons. Find here reliable & durable gunsmith supplies including rifle upper receivers by Primary. US supply MPN: 18M220UC0B. Primary weapons ar 308 mk2 mod 1 m upper receiver 308 win m lok mk220 mod 1 m upper receiver 20 barrel .308 win. Distributor SKU: 100031918-100031917-11224.
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Item on this page: Radian Weapons Ar 15 300blk Complete Upper Receiver Groups 300blk 8.7" Model 1 Blk Complete Upper Receiver Black US Specs & Supply
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