Rock River Arms A4 9mm Upper Receiver US Specs & Supply
Reliable Rifle Upper Receivers by Rock River in US specification & supply
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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.
 Indicative Price: USD 662.99
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Stern Defense Ar 15 Sd Mod 5 9mm Upper Receivers M Lok Complete Sd Mod 5 9mm Upper Receiver 6in M Lok Complete Black US Specs & Supply
USD 470.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The stern defense sd mod 5 9mm upper receivers are unique with handguards that extend beyond the end of the barrels. The 8.5" barreled upper has a 10" m-lok free float handguard, and the 6" barreled upper has an 8" m-lok free float handguard. To bring the muzzle out beyond the end of the handguard both uppers have sd hbc 9mm blast can installed. Both barrels have a 1-10 rate of twist, β½-36 muzzle thread pitch, and a melonite finish. 8.5" or 6" barrels m-lok free float handguard complete assembly with 9mm bolt and charging handle β½-36 muzzle thread pitch sd bu9 9mm bolt included in the upper receiv mfg: stern defense, llc. Find here reliable & durable gunsmith supplies including rifle upper receivers by Stern. US supply MPN: 015SD8INCHMOD5M. Stern defense ar 15 sd mod 5 9mm upper receivers m lok complete sd mod 5 9mm upper receiver 6in m lok complete black. Distributor SKU: 100032663-100032662-11224.
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Primary Weapons Ar 15 Mk1 Mod 1 M Upper Receiver Assembly 223 Wylde M Lok Mk116 Mod 1 M Upper Receiver 16.1 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: 18M116UA0B. Primary weapons ar 15 mk1 mod 1 m upper receiver assembly 223 wylde m lok mk116 mod 1 m upper receiver 16.1 barrel .223 wylde. Distributor SKU: 100031915-100031912-11224.
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Wmd Guns Ar 15/M16 Nib X Coated Upper Receiver Nib X Upper Receiver Black US Specs & Supply
USD 192.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Stripped receiver has wmd's nib-x nickel boron coating inside and out to provide an exceptionally tough, ultra-smooth surface finish for outstanding wear resistance and lubricity. A ceramic topcoat is applied for color on the exterior only, leaving the nickel boron exposed inside to keep friction with the bolt carrier to the absolute minimum. Works great with standard carriers, too, but even smoother with nickel boron coated bolt carriers, including wmd's nib-x coated carrier, available separately. M4 feed ramps ensure reliable feeding. Mfg: wmd guns specs: 7075 t6 aluminum, nib-x coating with matte ceramic finish, black or flat dark earth. Stripped receiver only. Fits standard ar-15/m16 lowers, and accepts standard barrels and upper receiver parts. .250" dia. Pivot/takedown pin holes. M4 feed ramps. Find here reliable & durable gunsmith supplies including rifle upper receivers by WMD. US supply MPN: NIBXUPPER02. Wmd guns ar 15/m16 nib x coated upper receiver nib x upper receiver black. Distributor SKU: 100010558-100010558-11224.
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Radical Firearms Ar 15 10.5" Upper Assy 300 Blk Hbar Std Keymod Rail No Bcg Or Ch US Specs & Supply
USD 335.13
(Indicative price - actual current price possibly lower)
Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The radical firearms 10.5" hbar 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. 10.5" hbar profile barrel and a2 flash hider. Bolt carrier group and charging handle are not included. 10.5" hbar melonite 300 blackout barrel 4150v chrome moly 1 in 8" twist rate hpt/mpi m4 feed ramps low profile micro gas block dgi stainless pistol-length gas tube mfg: radical firearms. Find here reliable & durable gunsmith supplies including rifle upper receivers by Radical. US supply MPN: FU105300HBAR. Radical firearms ar 15 10.5" upper assy 300 blk hbar std keymod rail no bcg or ch. Distributor SKU: 100023355-100023355-11224.
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Daniel Defense Mk12 Spr 18" 5.56mm Nato Upper Receiver Black Mk12 Spr 18" 5.56mm Nato 1 7 12" Ddm4 Rail Upper US Specs & Supply
USD 1,326.00
(Indicative price - actual current price possibly lower)
Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The mk12 upper receiver from daniel defense is built around an 18" stainless steel barrel, engineered with a rifle-length direct impingement gas system and utilizing the mk12 gas block, which is built to crane specifications for ussocom. The daniel defense mk12 upper receiver features a rugged hard coat anodized mil-spec aluminum upper with a hammer forged stainless steel 18" barrel in a 1-7 twist with a mk12 profile. Mk12 low profile gas block machined from 416 hardened steel, rifle length daniel defense 17-4 ph stainless steel flash suppressor chrome lined m16 profile bolt carrier group 6061-t6 hard coat anodized 12" daniel defense mfg: daniel defense. Find here reliable & durable gunsmith supplies including rifle upper receivers by Daniel. US supply MPN: 2314210035. Daniel defense mk12 spr 18" 5.56mm nato upper receiver black mk12 spr 18" 5.56mm nato 1 7 12" ddm4 rail upper. Distributor SKU: 100024477-100024477-11224.
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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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Radical Firearms Ar 15 16" Upper Assembly 5.56 M4 Hybrid Rail No Bcg Or Ch US Specs & Supply
USD 291.87
(Indicative price - actual current price possibly lower)
Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Radical firearms' 16" m4 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. The radical firearms 16" m4 upper receiver comes complete and assembled with upper receiver, forward assist, ejection port door, barrel nut. 16" m4 profile barrel and a2 flash hider. 16" m4 melonite barrel 4150v chrome moly 1 in 7" twist rate 5.56 nato chamber m4 feed ramps 12" radical firearms hybrid keymod handguard: features reverse keymod sections so your a mfg: radical firearms. Find here reliable & durable gunsmith supplies including rifle upper receivers by Radical. US supply MPN: FU16556M412F. Radical firearms ar 15 16" upper assembly 5.56 m4 hybrid rail no bcg or ch. Distributor SKU: 100023347-100023347-11224.
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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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Fightlite Industries Mcr Belt Fed Upper Receiver Semi Keymod Mcr Belt Fed Upper Receiver Semi 16.25" 5.56mm Keymod US Specs & Supply
USD 3,500.00
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The fightlite industries mcr belt fed ar-15 upper receiver allows you to convert your ar-15 from a standard, magazine fed rifle, into a multi-purpose belt-fed, that can also feed from a magazine. Simply attach the upper as you would any other, link up your ammunition and go to the range. This unique upper receiver includes a picatinny rail mounted to the top cover, as well as keymod handguards. 16.25" quick change barrel features a chrome lined bore & chamber. 1-7 twist stabilizes standard, military ammunition, and β½-28 muzzle accepts standard muzzle devices. Receiver is machined from 7075-t6 billet & features a type iii matte black anodized finish. 6-lug rotating bol mfg: fightlite industries. Find here reliable & durable gunsmith supplies including rifle upper receivers by Fightlite. US supply MPN: MCR036KM. Fightlite industries mcr belt fed upper receiver semi keymod mcr belt fed upper receiver semi 16.25" 5.56mm keymod. Distributor SKU: 100019946-100019946-11224.
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Lewis Machine & Tool Ar 15 Mrp Upper Receivers 5.56 16" M Lok Mrp Upper Receiver Rifle 16 Chrome Lined 1 7 M Lok Blk US Specs & Supply
USD 1,299.00
(Indicative price - actual current price possibly lower)
Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The lewis machine & tool ar-15 mrp (monolithic rail platform) upper receiver is a monolithic receiver and handguard made from a single piece of forged aerospace aluminum. Barrels are held in place with a proprietary locking system that utilizes two locking bolts accessible from the right side of the receiver. The lmt mrp gives one the ability to quickly and conveniently change calibers, barrel lengths and materials, and even gas systems. Two versions of the mrp are offered, a rifle length model, and a carbine length model. The rifle length receiver is designed for 14.5′ barrels up to 20′ barrels, while the carbine length is designed for 10.5′ barrels up t mfg: lewis machine & tool. Find here reliable & durable gunsmith supplies including rifle upper receivers by Lewis. US supply MPN: L7Y1. Lewis machine & tool ar 15 mrp upper receivers 5.56 16" m lok mrp upper receiver rifle 16 chrome lined 1 7 m lok blk. Distributor SKU: 100030191-100030190-11224.
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Bear Creek Arsenal Ar 15 Complete 16" 5.56 Mm M4 Upper Receiver Ar 15 16" 5.56 Mm M4 Upper Receiver 1 9 Twist Black US Specs & Supply
USD 293.99
(Indicative price - actual current price possibly lower)
Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The bear creek arsenal ar-15 complete 16" 5.56mm m4 upper receiver with polymer m4 style handguard from bear creek arsenal features a parkerized barrel. The ar-15 complete 16" 5.56mm m4 upper receiver from bear creek arsenal uses a flat top receiver as well as the standard carrier group and charging handle. ß½-28 threads 4150 chrome moly vanadium bca does not recommend using steel cased ammunition with this receiver the bear creek arsenal complete 16" 5.56mm nato upper receiver features a 1:9 twist with a carbine length gas system. Mfg: bear creek arsenal, llc. Find here reliable & durable gunsmith supplies including rifle upper receivers by Bear Creek. US supply MPN: UA556CM41619P. Bear creek arsenal ar 15 complete 16" 5.56 mm m4 upper receiver ar 15 16" 5.56 mm m4 upper receiver 1 9 twist black. Distributor SKU: 100025353-100025353-11224.
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Anderson Manufacturing Ar 15 Upper Receiver Assembly 300blk No Bcg US Specs & Supply
USD 281.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The anderson manufacturing 300 blackout complete upper receiver is a great way to quickly and conveniently build out, or change an existing ar-15 to shoot the popular 300 blackout round. The 16" barrel has a 1-7 twist rate and a phosphate finish. The barrel utilizes a carbine length gas system with a .125 gas port, and has 5/8-24 threads with a 308 a2 flash hider. 16" m4 barrel 1-7 rate of twist 7075 t6 forged upper receiver a2 hand guard a2 flash hider the anderson manufacturing 300 blackout complete upper receiver comes without a bolt carrier group or charging handle, allowing you to select your choice of components to complet mfg: anderson manufacturing. Find here reliable & durable gunsmith supplies including rifle upper receivers by Anderson. US supply MPN: B2K611CF00. Anderson manufacturing ar 15 upper receiver assembly 300blk no bcg. Distributor SKU: 100023487-100023487-11224.
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Precision Reflex Ar 15 Mk12 Mod 0 Gen Ii Upper Receiver Complete 1 7 Twist Black US Specs & Supply
USD 1,962.99
(Indicative price - actual current price possibly lower)
Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Precision reflex's mark 12 mod 0 spr gen ii upper receiver is a complete, full-featured tactical upper that's fully assembled and ready to shoot..Once you install it on a mil-spec lower receiver. It is fitted with pri's gen ii retro carbon fiber forend that replicates the handguard of the u.S. Navy's mk 12 mod 0 special purpose rifle. You get a mile-long, uninterrupted expanse of picatinny top rail extending from the rear of the receiver to the front of the forend. (maybe we exaggerate slightly, half a mile.) there are also short 3" lengths of picatinny rail up front in the 3, 6 and 9 o'clock positions. The mark 12 mod 0 spr gen ii upper receiver mfg: precision reflex, inc. Find here reliable & durable gunsmith supplies including rifle upper receivers by Precision. US supply MPN: 07556G2B17. Precision reflex ar 15 mk12 mod 0 gen ii upper receiver complete 1 7 twist black. Distributor SKU: 714000039-714000039-11224.
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Radian Weapons Ar 15 300blk Complete Upper Receiver Groups 300blk 8.7" Model 1 Blk Complete Upper Receiver Black US Specs & Supply
USD 1,363.25
(Indicative price - actual current price possibly lower)
Rifle Upper Receivers US Specs & Supply
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.
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Item on this page: Rock River Arms A4 9mm Upper Receiver US Specs & Supply
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