Cross Machine Tool Co. Ar 15/M16 Billet Upper Receiver US Specs & Supply
Reliable Rifle Upper Receivers by Cross in US specification & supply
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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.
 Indicative Price: USD 209.95
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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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Rock River Arms A4 9mm Upper Receiver US Specs & Supply
USD 662.99
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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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Aero Precision Ar 15/M16 Stripped Upper Receiver Black W/Markings US Specs & Supply
USD 49.99
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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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Colt Ar 15 Le6960 Ccu Upper Receiver 5.56 M Lok Black US Specs & Supply
USD 599.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Brownells and colt have teamed up to offer the le6960-ccu upper receiver which is the same as found on the colt le6960-ccu, or colt combat unit carbine ar-15. Designed with direct input from veteran trainers mike pannone, daryl holland, and ken hackathorn, the le6960-ccu upper receiver is a modern design featuring a 13" centurion arms slim profile, m-lok, free float handguard, around a 16.1" lightweight profile, mid-length gas system barrel. This barrel has chrome lined bore with a 1-7 twist rate, and a manganese phosphate finish. Centurion arms 13" m-lok handguard mid-length gas system 16.1" chrome lined barrel lightweight profile ba mfg: colt. Find here reliable & durable gunsmith supplies including rifle upper receivers by Colt. US supply MPN: SP402239. Colt ar 15 le6960 ccu upper receiver 5.56 m lok black. Distributor SKU: 160000445-160000445-11224.
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Critical Capabilities Ar 15 8" 9mm Upper Receiver W/ 7" M Lok Rail No Bcg Or Ch US Specs & Supply
USD 354.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The critical capabilities barreled ar-15 upper receiver in 9mm offers a reliable package for the sbr builder. This unique combination includes a 8" chrome moly nitride treated barrel with an 7" free float aluminum rail making this upper receiver an ideal blend of functionality and practicality. Forged 7075-t6 flat top m4 upper receiver 8" chrome moly nitride treated barrel 1-10 rh twist 7" free float 6061-t6 aluminum rail w/ m-lok the critical capabilities upper receiver allows for personal customization, and does not include the bolt carrier group or charging handle. Mfg: critical capabilities llc. Find here reliable & durable gunsmith supplies including rifle upper receivers by Critical. US supply MPN: C9U8M7. Critical capabilities ar 15 8" 9mm upper receiver w/ 7" m lok rail no bcg or ch. Distributor SKU: 100024563-100024563-11224.
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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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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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Brownells Ar 15 M4 Stripped Upper Receiver Black US Specs & Supply
USD 42.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Sometimes you want the latest, updated, tweaked component, and sometimes you need a basic stripped receiver where the production effort goes into quality, rather than bells and whistles. The brownells m4 stripped upper receiver is that component, the perfect starting point for many an ar-15 build. Starting with a 7075 t6 aluminum forging, our stripped m4 flattop upper is precision machined to final dimensions that make it compatible with the multitude of available "mil-spec" ar-15 components. It has a matte black, type iii hardcoat anodized finish, mirroring the military requirement. Machined from 7075-t6 aluminum forging matte black type iii hardcoat anodize mfg: brownells. Find here reliable & durable gunsmith supplies including rifle upper receivers by Brownells. US supply MPN: 078-000-371. Brownells ar 15 m4 stripped upper receiver black. Distributor SKU: 078000371-078000371-11224.
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Colt Ar 15 5.56 Upper Receiver Complete Upper Receiver 16" US Specs & Supply
USD 747.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Add the colt legend of reliability to your rifle or build with these complete upper receivers from colt. The le6920ck and le6921ck are based off the combat proven m4 upper receiver and features 1/7 rh twist in a 16.1" barrel on the le6920ck and 14.5" barrel in the le6921ck. All upper receivers include a charging handle, bolt carrier group, and back up sights. All nfa rules apply. Mfg: colt. Find here reliable & durable gunsmith supplies including rifle upper receivers by Colt. US supply MPN: LE6920CK. Colt ar 15 5.56 upper receiver complete upper receiver 16". Distributor SKU: 160000388-160000388-11224.
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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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D.S. Arms Ar 15 Flattop Upper Receiver W/Cover & Forward Assist Upper Receiver W/Cover & Fwd Assist US Specs & Supply
USD 102.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: M4/a3-style upper receiver is with the forward assist and ejection port cover already installed. Precision machined from a 7075 t6 aluminum alloy forging to usgi dimensions, and ready to mate with the mil-spec lower and internal components of your choice. Includes m4-type feed cuts and alphanumeric position markers stamped into the rail slots. Hardcoat anodized to resist wear, add strength, and protect from corrosion. Hard dry-lube surface treatment protects the anodizing from scuffs and reduces friction between bolt carrier and receiver walls for ultra-smooth operation, less wear, and longer service life. Mfg: d.S. Arms specs: 7075 t6 aluminum, hardcoat anodized, dry-lube finish, matte black. .250" takedown/pivot pin holes. Steel forward assist and ejection port cover; black oxide finish. Find here reliable & durable gunsmith supplies including rifle upper receivers by DS. US supply MPN: DSZM4R2C. D.s. arms ar 15 flattop upper receiver w/cover & forward assist upper receiver w/cover & fwd assist. Distributor SKU: 274000021-274000021-11224.
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Bushmaster Firearms Int.Llc. Ar 15 5.56 16" M4 Upper Kit With Bcg US Specs & Supply
USD 548.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Bushmaster m4 upper receiver kit, ready to complete your build. Kit includes fully assembled upper receiver, bolt carrier group, handguards, charging handle and detachable carry handle. Upper features a 16" m4 barrel which is machined from 4140 chrome moly steel, chrome lined, has a 1-9 twist, has a front sight base installed on a .750" barrel shoulder, β½-28 muzzle threads and an a2 flash hider installed. Upper receiver has m4 feed ramps, as well as a detachable carry with rear sight. Included complete bolt carrier group has a matte black phosphate finish, is chrome lined and is magnetic particle inspected. Mfg: bushmaster firearms int.Llc. Specs: fits, ar-15 lower receivers. Find here reliable & durable gunsmith supplies including rifle upper receivers by Bushmaster. US supply MPN: 91822. Bushmaster firearms int.llc. ar 15 5.56 16" m4 upper kit with bcg. Distributor SKU: 100017384-100017384-11224.
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Aero Precision Ar 15 Assembled Upper Receiver 16" 5.56mm Mid Length Ar 15 Assembled Upper Receiver 16 Mid Length W/ Fsb US Specs & Supply
USD 297.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: This ar-15 5.56mm 16" mid-length upper receiver from aero precision replicates the standard military m4 upper with one important addition. It has a longer, mid-length gas system that helps slow gas velocity for improved reliability in cycling (over the standard carbine gas system). You get same form-factor as an m4 with reduced risk of m4-type reliability problems. The ar-15 5.56mm 16" mid-length upper receiver comes fully assembled, lacking only a charging handle and bolt/carrier group, for shooters who prefer to choose those components to suit your specific needs. The 16" barrel of high-grade chrome-moly-vanadium carbon steel has a tough, corrosion- and scratch-resis mfg: aero precision. Find here reliable & durable gunsmith supplies including rifle upper receivers by Aero Precision. US supply MPN: APAR505631. Aero precision ar 15 assembled upper receiver 16" 5.56mm mid length ar 15 assembled upper receiver 16 mid length w/ fsb. Distributor SKU: 100025502-100025502-11224.
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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
USD 987.00
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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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Item on this page: Cross Machine Tool Co. Ar 15/M16 Billet Upper Receiver US Specs & Supply
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