Yankee Hill Machine Co. Ar 15 5.56 16" Black Diamond Specter Upper Receiver Black Diamond Specter Xl Upper Receiver US Specs & Supply
Reliable Rifle Upper Receivers by Yankee Hill in US specification & supply
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US gunsmith supply: Flattop upper comes with high-end custom features and accessories already installed, ready to snap on the mil-spec lower receiver of your choice. Comes fully assembled with bolt/carrier, charging handle, tactical handguard, gas block, and barrel.Features a free-floated diamond handguard with uniquely-patterned holes machined between the rails to reduce weight and enhance barrel cooling. Four full-length mil-std 1913 picatinny rails have individually marked slots for quick reference. The handguard bridges the gap to the front of the receiver to form one continuous, uninterrupted top rail; extends over the low-profile gas block for a smooth, streamlined appearance. Specter upper features sp mfg: yankee hill machine co., inc. Specs: receiver 7075 t6 aluminum alloy, mil-spec type iii hardcoat anodized finish, matte black. Barrel chrome-moly vanadium steel alloy, heat treated to rc 25-32, matte black finish. Chrome-lined. 16" (40.6cm) long. 1-9" twist, chambered for 5.56mm nato. Handguard &ndas. Find here reliable & durable gunsmith supplies including rifle upper receivers by Yankee Hill. US supply MPN: YHM78209. Yankee hill machine co. ar 15 5.56 16" black diamond specter upper receiver black diamond specter xl upper receiver. Distributor SKU: 100010668-100005754-11224.
 Indicative Price: USD 1,112.99
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Knights Armament Sr 15 E3 Mod 2 Upper Receivers M Lok Ar 15 Upper Receiver Cqb Mod 2 11.5" Urx 4 M Lok US Specs & Supply
USD 1,962.99
(Indicative price - actual current price possibly lower)
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: 31963. Knights armament sr 15 e3 mod 2 upper receivers m lok ar 15 upper receiver cqb mod 2 11.5" urx 4 m lok. Distributor SKU: 100023386-100023386-11224.
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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
USD 239.99
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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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Daniel Defense M4 Urg Mk 18 10.3" Complete Upper Receiver 5.56 US Specs & Supply
USD 1,092.00
(Indicative price - actual current price possibly lower)
Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Daniel defense manufactures the highest quality complete ar15 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 our customers. The daniel defense m4 urg, mk18 comes complete with bolt carrier group and charging handle, 10.3′ cold hammer forged barrel, ris ii mk18 rail system in black or flat dark earth, and daniel defense low profile gas block. Upper receiver: mil-spec with indexing marks and m4 feed ramps. Cnc machined of 7075-t6 aluminum, type iii hard coat anodized barrel: chrome moly vanadium steel, cold h mfg: daniel defense. Find here reliable & durable gunsmith supplies including rifle upper receivers by Daniel. US supply MPN: 2.30041E+11. Daniel defense m4 urg mk 18 10.3" complete upper receiver 5.56. Distributor SKU: 100023304-100023304-11224.
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Anderson Manufacturing 458 Socom Stripped Upper Receiver .458 Socom Stripped Upper Receiver Aluminum Black US Specs & Supply
USD 82.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The anderson manufacturing .458 socom upper receiver gives ar-15 builders who are looking to produce their big-bore .458 model a ready-made upper that is designed to handle the increased dimensions of the round. The anderson manufacturing .458 socom upper receiver is constructed from 7075 t6 forged aluminum and includes a wider ejection port. Receiver comes completely stripped color: black comes with durable hard-coat anodized finish the anderson manufacturing .458 socom upper receiver is designed to fit onto a standard ar-15 lower receiver without requiring fitting. Mfg: anderson manufacturing. Find here reliable & durable gunsmith supplies including rifle upper receivers by Anderson. US supply MPN: D2K100AC00. Anderson manufacturing 458 socom stripped upper receiver .458 socom stripped upper receiver aluminum black. Distributor SKU: 100024853-100024853-11224.
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Aero Precision M4e1 Assembled Upper Receiver 5.56 Mid Pencil Length M4e1 Assembled Gen 2 Upper 16 Mid Pencil Length US Specs & Supply
USD 394.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: Aero precision's m4e1 5.56mm pencil barrel mid-length upper receiver replicates the feature set of their standard m4e1 mid-length carbine with one "addition by subtraction": a narrow-diameter "pencil" barrel that saves weight. The result is ready to form the top half of a lightweight, fast-handling tactical carbine that doesn't skimp on extra features. The m4e1 5.56mm pencil barrel mid-length upper receiver comes fully assembled, lacking only a bolt/carrier group and charging handle, two components customizers typically replace any way. "mid-length" refers to the gas tube, which is longer than the standard carbine tube to slow down gas veloci mfg: aero precision. Find here reliable & durable gunsmith supplies including rifle upper receivers by Aero Precision. US supply MPN: APAR640251M39. Aero precision m4e1 assembled upper receiver 5.56 mid pencil length m4e1 assembled gen 2 upper 16 mid pencil length. Distributor SKU: 100025510-100025507-11224.
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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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Brownells Ar 15 Slickside Upper Receiver Black US Specs & Supply
USD 149.99
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The brownells ar-15 / m16 slickside upper receiver precisely mirrors the contours of the original, early ar-15 upper receiver. Perfect for your next "retro" or reproduction build, our upper has the following features specific to the original slickside: correct early-style carry handle contours no shell deflector no forward assist a1-pattern rear sight housing with help from the folks at nodak spud, this precise match was achieved by starting with 7075 t6 aluminum forgings that already have the proper profile built in. In machining to final dimensions, all points where other parts attach are finished current mil-spec dimensions, so current-producti mfg: brownells. Find here reliable & durable gunsmith supplies including rifle upper receivers by Brownells. US supply MPN: 078-000-363. Brownells ar 15 slickside upper receiver black. Distributor SKU: 078000363-078000363-11224.
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Radical Firearms Ar 15 16" Upper Assembly 7.62x39 Hbar 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 7.62x39 16" hbar radical upper receiver is a flat top, 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 assembled with upper receiver, forward assist, ejection port door, and barrel nut. 16" hbar profile barrel and a2 flash hider. 16" hbar melonite barrel 4150v chrome moly 1 in 8" twist rate 7.62x39 chamber 5/8x24 thread pitch hpt/mpi m4 feed ramps low profile micro gas block stainless pistol-length gas system (this will cycle subsonic loads) mfg: radical firearms. Find here reliable & durable gunsmith supplies including rifle upper receivers by Radical. US supply MPN: FU16762X39HBAR. Radical firearms ar 15 16" upper assembly 7.62x39 hbar hybrid rail no bcg or ch. Distributor SKU: 100023358-100023358-11224.
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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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Aero Precision Ar 15/M16 Stripped Upper Receiver Od Cerakote US Specs & Supply
USD 71.39
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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: APAR501802. Aero precision ar 15/m16 stripped upper receiver od cerakote. Distributor SKU: 100018688-100010612-11224.
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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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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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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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Vltor Weapon Systems Ar 15/M16 Vis Fusion Upper Receiver Polylithic Keymod Ar 15/M16 Vis Fusion 12" Polylithic Upper Receiver Keymod US Specs & Supply
USD 494.95
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Rifle Upper Receivers US Specs & Supply
US gunsmith supply: The vltor vis fusion is a updated version of the very successful vis upper receiver series. The vis fusion differs from the traditional features of the vltor vis because the lower handguard portion of the forend is not removable. The upper instead features a one-piece forend with an access panel towards the rear, allowing for accessibility to the barrel nut for installation, disassembly, and maintenance. The vltor vis fusion affords the end-user the strength and reliability that has become customary with vltor vis uppers, while providing the advantage of decreased weight. Hard coat anodized, black per mil-a-8625 type iii class 2 6013 forged upper with 6061 extruded handguard mfg: vltor weapon systems. Find here reliable & durable gunsmith supplies including rifle upper receivers by Vltor. US supply MPN: VISF12. Vltor weapon systems ar 15/m16 vis fusion upper receiver polylithic keymod ar 15/m16 vis fusion 12" polylithic upper receiver keymod. Distributor SKU: 100018978-100018978-11224.
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Rock River Arms Ar 15 9mm Upper Receiver Assembly A2 9mm Upper Receiver US Specs & Supply
USD 584.99
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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). A2 configuration has a2 adjustable sights regulated for 9mm. 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: 9MM0550B. Rock river arms ar 15 9mm upper receiver assembly a2 9mm upper receiver. Distributor SKU: 739000012-739000012-11224.
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Item on this page: Yankee Hill Machine Co. Ar 15 5.56 16" Black Diamond Specter Upper Receiver Black Diamond Specter Xl Upper Receiver US Specs & Supply
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