Upper Receivers

HM Defense 16MBUP556L MonoBloc Upper 223 Remk, 5.56x45mm NATO 16" Black Cerakote Barrel 7075-T6 Aluminum Black Anodized Receiver, 15" M-LOK Free-Float Handguard with Long Rail for AR-15

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 is free-floating and uses a Picatinny rail, Magpul...

BCM Standard 11.5'' (Enhanced Lightweight) Carbine Upper Receiver Group w/ BCM MCMR-10 Handguard (NFA)

Made by Bravo Company MFG, Inc. (BCM) These Barreled Upper Receiver Groups are designed for shooting professionals with the Mil-Spec features for the demands of their duty. They are fully assembled, headspaced, and test fired.

Alexander Arms UTA50 Tactical Complete Upper 50 Beowulf 16" Black Cerakote Aluminum Receiver M-LOK Handguard for AR-15

The Alexander Arms AR15 Standard Rifle Upper was developed to function as the ideal item for anybody trying to find an exceptional option. With a black cerakote finish, and a M-Lok handguard, you could get this upper to complete your build. Includes...

UPPER GROUP RESOLUTE Mk4 300BLK 16.1 Midnight Bronze

UPPER GROUP RESOLUTE Mk4 300BLK 16.1 Midnight Bronze

UPPER, SIGM400, 5.56 NATO, 14.5IN, PRO

UPPER, SIGM400, 5.56 NATO, 14.5IN, PRO

AERO M5E1 COMPLETE UPPER 18 308 SS FLUTED

This Complete Upper includes our Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail. - Includes: - M5E1 Enhanced...

UPPER GROUP, RESOLUTE, Mk4, .22LR, 16.1"", Midnight Bronze

UPPER GROUP, RESOLUTE, Mk4, .22LR, 16.1"", Midnight Bronze

6.5 GRENDEL 16" BLACK!ALEXANDER AR15 TACTICAL UPPER

ALEXANDER AR15 TACTICAL UPPER6.5 GRENDEL 16" BLACK!

BCM Standard 14.5'' Mid Length (ENHANCED Light Weight) Upper Receiver Group w/ BCM MCMR-13 Handguard

Made by Bravo Company MFG, Inc. (BCM) These Barreled Upper Receiver Groups are designed for shooting professionals with the Mil-Spec features for the demands of their duty. They are fully assembled, headspaced, and test fired.

Custom UPR Receiver

Complete upper assembly: 4150 CMV barrel 1/7 twist,  14.5in with pinned Smith Enterprise Vortex Flash Hider overall barrel length w/ flash hider 16.1in w/ front post, F base, carbine length hand guard, flattop upper with removable carry handle.

LUTH AR RIFLE KIT BULL 20 W/ FIXED STOCK

Build a Complete 20 Fluted Bull Barrel AR Kit. This kit contains everything you need to build your own AR except the stripped lower receiver. - The Kit Contains: - Fully assembled 20 Fluted Bull Barrel Upper with 15 Keymod Palm Handguard - Your choice of...

CMMG RESOLUTE MK4 UPPER GROUP 6MM ARC 16.1 BLK

Chambered in 6mm ARC this RESOLUTE Upper Group is designed to pair with any standard AR15 pattern lower group. Harness the capability of 6mm in this uniquely designed RESOLUTE 16.1 upper. Available in six different Cerakote finishes all CMMG Upper Groups...

CAL-X KIT, SIGMCX, 5.56 NATO, 9IN, LT, W

SIG SAUER offers upper assemblies and caliber exchange kits in various barrel lengths. All NFA rules apply to installation of these upper assemblies to lower receivers and caliber exchange kits to upper receivers. Upper assemblies and caliber exchange...

BAD 16 UPPR WRKHORSE 556 AMBI C GRAY

The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3, 6, and 9 o'clock positions. At 12 o'clock is a full-length...

BAD 16 UPPR WRKHORSE 556AMBI GRAY

The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3, 6, and 9 o'clock positions. At 12 o'clock is a full-length...

Rock River Arms AR0784 LAR-15M NM A4 Complete Upper, 223 Wylde 20" Stainless Heavy Match Barrel, Black Rec/12.50" M-LOK Handgaurd, Railed Gas Block, A2 Flash Hider

CALIBER:.223 WYLDE CHAMBER FOR 5.56MM AND .223 CALIBERUPPER RECEIVER:FORGED A4BARREL:20-INCH AIR GAUGED HEAVY MATCH STAINLESS STEEL, 1:8 TWIST, CRYOGENICALLY TREATEDMUZZLE DEVICE:A2 FLASH HIDER / 1/228 THREADGAS BLOCK:GAS BLOCK SIGHT BASEHANDGUARD:RRA NM...

Rock River Arms SOC0820V1 LAR-15M CLB Complete Upper, 458 SOCOM 16" Chome Moly Bull Barrel, Black, Aluminum Rec, 13" M-LOK Handguard, Beast Brake, Fits AR-15

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 LIGHTWEIGHT ALUMINUM FREE FLOAT RAIL, 13 INCH EXTENDED...

LUTH AR RIFLE KIT BULL 20 W/ ADJ STOCK

Build a Complete 20 Fluted Bull Barrel AR Kit. This kit contains everything you need to build your own AR except the stripped lower receiver. - The Kit Contains: - Fully assembled 20 Fluted Bull Barrel Upper with 15 Keymod Palm Handguard - Your choice of...

M4 Carbine Complete Upper Receiver

BCM Standard 14.5"" M4 Carbine Complete Upper Receiver Group w/ QRF-7 Handguard

Faxon Firearms FX338A2125-U Complete Upper 338 ARC 12.50" Black Anodized Barrel

BANSHEE 9MM 5" M-LOK W/ BCG !CMMG UPPER RECEIVER AR15

CMMG UPPER RECEIVER AR15BANSHEE 9MM 5" M-LOK W/ BCG !

UPPER GROUP BANSHEE 9MM 8 Coyote Tan

UPPER GROUP BANSHEE 9MM 8 Coyote Tan

Spikes Tactical Midlength Complete 5.56x45mm NATO 16", Black, 12" Picatinny Handguard, A2 Flash Hider

Improve your rifle build with this Spikes Tactical 5.56 LE Midlength 16in Forged Upper Receiver that's inspected and ready to function right out of the box. Spikes Tactical crafted these AR15 Upper Receivers from 7075 T6 aluminum to add an element of...

UPPER GROUP RESOLUTE Mk422 ARC 16.1 Midnight Bronze

UPPER GROUP RESOLUTE Mk422 ARC 16.1 Midnight Bronze