Receivers

Luth-ar HG-LW15M Palm Handguard Aluminum Black Hardcoat Anodize Receiver. This complete upper features Brand: Luth-AR; Model: Palm; Finish: Anodized; Series: Handguard.

Cobalt Kinetics CK-PRO-SET-118-FDE CK-Pro Receiver Set Rifle Flat Dark Earth Cerakote. This long gun features Brand: Cobalt Kinetics; Model: CK-Pro; Finish: Cerakote; Handedness: Ambidextrous;...

The Leapers UTG Pro Arwen 10" M-LOK Free Float Handguard is precision machined from 6061-T6 aluminum and finished with a matte black hard coat anodization. It features 15 M-LOK slots across three...

The LBE Ready Build Kit is a compact AR-15 upper build kit featuring a premium 13.7-inch Cold Hammer Forged (CHF) barrel, engineered for durability and high performance in a pistol-length gas system...

Upper Parts Kit (UPK) for Glock 19 – Gen 4. These are great for completing your custom slide. All parts are from US manufacturer. All Parts are made to the highest tolerance to the original...

Zaffiri Precision UPK, Complete Upper Parts Kit, Fits GLOCK 19 Gen 3, Black UPK-G19G13 Upper Parts Kit (UPK) for Glock 19 – Gen 3. These are great for completing your custom slide. All parts are from...

Upper Parts Kit UPK-G19G5 UPK.19.5 NEW, DIRECT FROM ZAFFIRI FACTORY! For: Glock 19, Gen 5 Parts Included: Firing Pin Spring, Firing Pin Spacer Sleeve, Spring Cups (2 Pack), Firing Pin Safety Nitride,...

GEISSELE 08-159 URG-I NEAR CLONE 556 14.5 BK/DDC. This complete upper features Brand: Geissele Automatics; Model: Near Clone; Barrel Length: 14.500 in; Finish: Black; Barrel Type: Chrome Lined Steel;...

Zaffiri Precision UPK, Complete Upper Parts Kit, Fits GLOCK 17 Gen 5, Black. This is a complete upper parts kit designed to fit the Gen 5 Glock 17 pistol, providing a black finished replacement or...

The LBE Unlimited AR125RBK Ready Build Kit is a compact AR-15 upper build kit featuring a premium 12.5-inch Cold Hammer Forged barrel engineered for durability and high performance in a pistol-length...

The LBE Unlimited AR75RBK Ready Build Kit is built around a premium 7.5-inch cold hammer-forged (CHF) barrel made from durable 4150 CMV steel with a Melonite (nitride) finish. Designed specifically...

The LBE Unlimited Ready Build Kit features a 14.5" Cold Hammer Forged barrel, designed for AR-15 platform builds. It includes a durable mid-length gas system, A2 flash hider, M16 bolt carrier group,...

The Radian Weapons R0435 Model 1 Builder Kit features an 8.5" M-LOK free-float handguard, billet 7075-T6 aluminum upper receiver with dust cover, forward assist, RAPTOR-SD Ambidextrous Charging...

This CMMG lower parts kit is all the parts you need to get started on you next AR15 build. Combine this kit with a buttstock kit to complete your lower group.

The Radian Model 1 Upper Receiver and Hand Guard are precision CNC machined as a matching set, structurally reinforced in critical areas for improved strength and rigidity. The upper receiver is cut...

Radian Weapons Model 1 Builder Kit, 15.5" M-LOK Hand Guard, Radian Black offers ambidextrous controls, M-LOK system, and lightweight design for easy handling. Precision CNC machined billet upper...

CMMG’s Lower Parts Kit for the Mk3 contains 4 color-coded bags with parts separated into them. The clear bag contains the .308 takedown pin, .308 receiver pivot pin, two takedown pin detents and two...

Radian Weapons R0192 Model 1 Upper & Handguard Set 17" combines precision CNC machined 7075-T6 aluminum construction with a durable Cerakote finish. Features a 17" MLOK handguard, forward assist,...

The CMMG 55CA601 Lower Parts Kit is an economical gun builder's kit with most of the necessary parts to build a lower receiver group for AR15, excluding the trigger guard, fire control group, and...

The Radian Weapons Model 1 Builder Kit includes a 15.5" Magpul M-LOK handguard and upper receiver designed for assembling a high-quality AR-15 rifle. Crafted from billet 7075-T6 aluminum, it offers...

The Radian Weapons Model 1 Builder Kit 14 provides a complete AR-style platform solution designed for builders seeking premium components and enhanced ambidextrous functionality. This kit includes a...

The Radian Model 1 Upper Receiver and Hand Guard are precision CNC machined as a matching set, structurally reinforced in critical areas for improved strength and rigidity. The upper receiver is cut...

White Label Armory WLA-LOW-1031-01 Forged Lower Receiver Multi Black Hardcoat Anodize AR-15. This long gun features Brand: White Label Armory; Model: Forged Lower Receiver; Finish: Black; Handedness:...

Fightlite Industries MCR556DFRS 5.56x45mm NATO 12.50" 7075-T6 Aluminum MIL-STD 1913 Rail Handguard. This complete upper features Brand: FightLite Industries; Barrel Length: 12.500 in; Twist Rate: 7...

Fightlite Industries MCR556DFRM 5.56x45mm NATO 16.25" 7075-T6 Aluminum M-LOK Handguard. This complete upper features Brand: FightLite Industries; Barrel Length: 16.250 in; Twist Rate: 7.000.

ACI U5568ML 556 8" NATO MLOK UPPER. This complete upper features Brand: Andro.

The FightLite Industries MCR060 Duel Feed Upper Receiver Assembly is designed to interchange with standard AR/M4 type uppers and fits any MIL-Spec lower receiver without permanent modification. It is...

ACI U55616ML 556 16" NATO MLOK UPPER. This complete upper features Brand: Andro.

ACI U30010ML 300BO 10" MLOK UPPER. This complete upper features Brand: Andro.

ACI U30016ML 300BO 16" MLOK UPPER. This complete upper features Brand: Andro.

Fightlite Industries MCR556DFR 5.56x45mm NATO 16.25" 7075-T6 Aluminum MIL-STD 1913 Rail Handguard. This complete upper features Brand: FightLite Industries; Barrel Length: 16.250 in; Twist Rate: 7...

TANDEMKROSS TK18N0569BLK1 TANDEMKROSS TKX22 REC. This long gun features Brand: Tandem Kross; Finish: Anodized; Handedness: Ambidextrous.

Andro Corp Industries LACI15S ACI-15 Multi Aluminum Black Anodized AR-15. This long gun features Brand: Andro; Model: ACI-15; Finish: Anodized; Handedness: Ambidextrous.

.308 A3 Upper Receiver is machined from 6061-T6 aluminum extrusion for excellent strength and features black hard coat anodized finish for wear resistance. Features: Charging handle, Ejection port...

The Wilson Combat TRLOWERKB15 Lower Receiver Kit is a universal AR-15 small parts kit designed to help complete a lower receiver build with quality, matching components. It is ideal for builders who...

This complete upper delivers a purpose-built 5.56 NATO platform engineered for reliability and precision. Built around a 12.5" monolith barrel with a 1:7 twist rate, it's optimized for stabilizing a...

This compact complete upper delivers 7.62x39mm performance in a short, maneuverable 12.5" package. The monolith barrel with a 1:9.5 twist rate is optimized for the 7.62x39 cartridge, maintaining...

This complete upper combines the hard-hitting 7.62x39mm cartridge with seamless Dead Air suppressor compatibility. The 16" monolith barrel features a 1:9.5 twist rate engineered specifically for 7...

The GO15 16" Upper Receiver is built for performance and reliability. Featuring a 16" Monolith barrel with a 1:7 twist, machined from a single piece of 41V50 ordnance-grade steel. It integrates the...

The GO15 Upper with a 16" Monolith barrel and 1/7 twist is built for performance and reliability. Featuring a single-piece 41V50 ordnance-grade steel barrel integrating the gas block and muzzle...

The MonoBloc Upper features a HM barrel with an integral machined patented gas block, and a carbine gas system. It is also 4150 Chromoly, match grade, tripled honed, and button rifled. Its handguard...

Shield Arms SA-15-SLU is a stripped lower receiver for AR-15 rifles featuring an integrated patented folding mechanism directly in the billet aluminum receiver, eliminating the need for a folding...

The RISE 22 ARC AR-15 Upper Receivers feature an exceptionally accurate 18-inch 416R stainless steel threaded barrel with a 1:7 twist rate. The barrel is finished with a durable brown Cerakote. This...

Rise Armament RA22ARCCUGRY18 22 ARC 18" Aluminum Barrel: 18-inch 416R stainless steel, button-rifled, air-gauged and tested; threaded. Handguard: Free-floating skeletonized aluminum with continuous...

The RISE 22 ARC AR-15 Upper Receivers features an exceptionally accurate 18-inch 416R stainless steel threaded barrel. It includes a black Cerakote finish, a free-floating skeletonized aluminum...

Shield Arms SA-SA15FB SA-15 Complete Lower Receiver Multi Aluminum Black Anodized B5 Systems Bravo for AR-15. This long gun features Brand: Shield Arms; Model: SA-15; Finish: Anodized; Handedness:...

Stern Defense 015SD4INCHMOD4MLOK4INC 9mm. This complete upper features Brand: Stern Defense; Material: 4150 Chrome Moly Steel; Twist Rate: 10.000.

The Rock River Arms BB0470 LAR-15M RRAGE 3G Complete Upper is a ready-to-build platform for 5.56x45mm NATO rifles featuring a 16-inch black steel barrel with a 1:8 twist, aluminum receiver, and...

The Rock River Arms BLK0592 LAR-15M Coyote Carbine Complete Upper features a durable 16" chrome moly barrel chambered in .300 AAC Blackout. It includes a black anodized aluminum receiver, a 12.5"...

The Rock River Arms AR0784 LAR-15M NM A4 Complete Upper is a precision crafted AR-15 upper receiver chambered in .223 Wylde to accommodate both .223 Remington and 5.56mm NATO cartridges. It features...

The Faxon FX7 bolt action receiver is precision-engineered for .308 Winchester chambering with durable stainless steel construction and a matte black ArmorLube™ DLC finish. Designed as a direct...

The Faxon 10/22 Receiver Kit provides a quick and easy upgrade of your Ruger 10/22 or serves as the cornerstone for your next 10/22 rifle build. Machined from 6061-T6 aluminum with a black hardcoat...

Fusing Faxon's innovation and engineering with Lancer Systems' carbon fiber know-how, the STREAMLINE Carbon Fiber Handguard maximizes carbon fiber's unique rugged characteristics with practical...

Fusing Faxon's innovation and engineering with Lancer Systems' carbon fiber know-how, the STREAMLINE Carbon Fiber Handguard maximizes carbon fiber's unique rugged characteristics with practical...

Purpose-built for law enforcement, military, competitive shooters, and civilian tactical enthusiasts. Combines quality materials with thoughtful engineering to eliminate common failure points found...

A2 carry handle style, complete with cuts for mounting A2 rear sight (windage and elevation). Features shell deflector, forward assist housing, and provisions for installing an ejection port cover...

The Luth-AR AR-15 A2 Carbine Length Handguard offers lightweight polymer construction, aluminum heat shields, and a comfortable clamshell grip. It provides a durable and classic A2 style handguard...

The LUTH-AR XM-177 A1 Triangular Carbine Handguard with Metal is a classic-style handguard engineered to faithfully replicate the iconic look and feel of the original XM-177/M16A1 configuration...

A2 carry handle style, complete with cuts for mounting A2 rear sight (windage and elevation). Features shell deflector, forward assist housing, and provisions for installing an ejection port cover...

Introducing the LUTH-AR LRPK-BLDR-308 308 Lower Parts Kit Builder, a testament to precision engineering and quality craftsmanship. Designed for the AR platform, this kit includes essential components...

The Luth-AR LRPK-308 is a complete lower parts kit for .308 AR platforms. This American-made kit includes all components needed to assemble a stripped AR-10 lower receiver, with parts that are...

The KAK Industry AR-15 Lower Parts Kit (LPK) provides all internal parts needed to complete an AR-15 lower receiver, excluding the pistol grip and trigger guard, allowing customization based on the...

The CMMG 28B940CTNG Dissent is a complete upper receiver assembly chambered in .22 ARC, featuring a 16.10-inch barrel made from 6061-T6 Aluminum with an anodized finish. Designed to fit the AR-15...

The CMMG Dissent 28B940CTI is a complete upper receiver built on the CMMG MK4 platform, chambered in .22 ARC. It features a 16.10" barrel made from durable 6061-T6 aluminum, finished in titanium...

CMMG 28B940CSG Dissent 22 ARC 16.10" 6061-T6 Aluminum. This complete upper features Brand: CMMG; Model: Dissent; Barrel Length: 16.100 in; Twist Rate: 7.000.

The CMMG Dissent 28B940CCG is a 16.10 inch barrel upper receiver designed for AR-15 platforms, chambered in .22 ARC cartridge, with a 1:7 twist rate and M-LOK rail system. It features a charcoal...

The CMMG Resolute Upper in 22 ARC is a high-quality upper receiver designed for precision and reliability. Built on the MK4 platform, it features a 16.10-inch barrel made from 4140 steel and finished...

The CMMG 30BC40AAB Resolute MK4 is a high-performance 16.10" AR-15 platform complete upper receiver group chambered in .300 Blackout. It features an Armor Black finish, 1:7 twist rate barrel, and...

Wilson Combat TRLOWERK10 Lower Receiver Kit for Wilson Combat AR-10 billet lower receiver. Small parts kit perfect for building the best billet lower receiver possible. Includes right hand safety...

Barrett 19552 Mradelr Barrel Maker Kit 416 Barrett is a precision-made barrel kit for firearm building or repair, designed for the Barrett .416 caliber rifle, ensuring high quality and reliability.

The SI AR10-E-LRPLT by Strike Industries is a premium AR10 lower parts kit designed for enhanced performance and precision. It is perfect for AR10 upgrades and builds, offering multi-caliber...

The TacFire BU9MM4 Pistol Upper Assembly is a 9mm Luger complete upper for AR-platform pistols featuring a 4" black nitride barrel, 7075-T6 aluminum black anodized receiver, ventilated M-LOK...

TacFire BU45ACP7 is a complete AR-15 platform pistol upper assembly chambered in .45 ACP caliber. Features a durable 7" black nitride barrel, black anodized 7075-T6 aluminum receiver, and M-LOK...

TacFire BU-45ACP-16 Rifle Upper Assembly chambered in 45 ACP caliber features a 16-inch black nitride barrel, a black anodized 7075-T6 aluminum receiver, and an M-LOK handguard designed for...

The TacFire BU30820 rifle upper assembly is a complete AR-platform upper chambered in .308 Winchester, featuring a 20-inch black nitride barrel and a durable black anodized 7075-T6 aluminum receiver...

The TacFire BU-300-16 Complete Upper Assembly in 300 Blackout provides a ready-to-install upper receiver with a 16 inch Black Nitride barrel, forged 7075-T6 aluminum receiver, and 15 inch M-LOK free...

Chambered in 5.56, this pistol upper is completely built and ready to be put on a lower. Includes a Bolt Carrier Group.

Elevate your AR-platform with the TacFire Pistol Upper Assembly, expertly crafted for the 5.56x45mm NATO caliber. This complete upper assembly features a compact 5-inch barrel, ideal for building a...

Tacfire UP01-C2: Ready to be built into your next upper, this kit includes a black anodized 7075 T6 aluminum stripped upper receiver, forward assist assembly, dust cover assembly, and A2 style...

The Rise Armament 12003 Lower Parts Kit is a MIL-SPEC, 20-piece small-component kit containing every pin, spring, detent, and piece of hardware needed to assemble a complete AR-15 lower receiver...

The SBUR04 matches all of our lower receivers perfectly and has a mil-spec front end that is compatible with any AR15 barrel nut & any AR15 handguard out there, including those with rear facing tabs...

This unique lower is made of of 7075-T6 Aluminum with a Black Anodized finished. Complete your build with this stripped lower, compatible with Mil-Spec AR-15 parts.

Sharps Bros SBLR08F Livewire is a forged, semi-automatic, stripped lower receiver for AR-15 style rifles. Made from a custom 7075-T6 aluminum forging with a black anodized finish. Features...

The CMMG Dissent is a 9mm Luger AR-15 platform upper receiver with a 10.50" barrel featuring a left side charging handle, Armor Black finish, zeroed linear compensator, 9.60" M-LOK handguard, and...

The CMMG DISSENT MK4 is a complete upper receiver optimized for the AR-15 platform chambered in 300 AAC Blackout. Featuring a 10.5" threaded barrel with a 5/8x24 thread pitch, a left side charging...

The Radian Weapons R0427 Model 1 Builder Kit is a complete AR-15 builder set that consolidates upper, lower and core control components for a streamlined build process. It includes a billet upper...

The CMMG 94B6829AB Dissent is a 9mm Luger AR-platform upper receiver with a 6.50" barrel and a 4.60" M-LOK handguard finished in Armor Black. It features CMMG's patent pending Compact Action and...

Alexander Arms UTA65 Tactical Complete Upper is a fully-complete, function-tested, and ready to fire AR-15 upper receiver assembly chambered in 6.5 Grendel. Features a 16" barrel, black Cerakote...

Project Rogue was an exercise to turn the Revolution platform into the lightest .308 semi auto rifle on the market, and to do it without needless lightening cuts. The Rogue features a forged receiver...

CALIBER:.458 SOCOM CHAMBER, UPPER RECEIVER:FORGED A4, BARREL:16-INCH CHROME MOLY BULL BARREL, 1:14 TWIST, MUZZLE DEVICE:RRA BEAST BRAKE, 5/8x32 THREAD, GAS BLOCK:LOW PROFILE GAS BLOCK, HANDGUARD:RRA...

The Rock River Arms AR0598.V1 LAR-15M All Terrain Hunter complete upper is built for long-range accuracy and dependable field use. It features a cryogenically treated, heavy match stainless steel...

Top off your next build with this RESOLUTE Mk4 Upper Group. Chambered in 5.56x45mm NATO with a 16.10" barrel and armor black finish. Features an M-LOK free-float handguard for AR-Platform. This upper...

If you're looking to build something on an AR15 platform and want the absolute best semiautomatic tactical rifle upper, consider building around this POF-USA Minuteman upper. The Patriot Ordnance...

The Patriot Ordnance Factory Minuteman Complete Upper in 5.56x45mm NATO features a 16.50 inch black nitride barrel crafted from 4150 Chrome Moly Vanadium steel and paired with an aluminum Patriot...

The Patriot Ordnance Factory Minuteman Complete Upper is a premium AR-15 platform assembly featuring a 16.5" 4150 nitride-treated steel barrel chambered in 5.56x45mm NATO, equipped with a...

The TacFire Rifle Upper Assembly in .308 Win offers shooters a compact and nimble design with its 16" Black Nitride finished barrel. Designed to fit seamlessly onto AR-platform firearms, this upper...

The TacFire LPK02USAB is a comprehensive AR-15 Lower Parts Kit featuring the TacFire PGAR-B-USA Pistol Grip (Black). This kit includes essential components such as trigger, hammer, pins, springs,...

Finish your next AR15 lower receiver with the CMMG ZEROED Mk4/AR15 lower parts kit. Every piece is made here in the USA and comes in convenient color-coded packets to make assembly a breeze.

The Rise Armament RASL223 Stripped Lower Receiver Multi 7075-T6 Aluminum for AR-15 is a high-quality lower receiver for AR-15 firearms. Made from durable 7075-T6 aluminum, it features a type III hard...

High quality components and precise manufacturing make Armaspec parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure...