Upper Receivers

BAD 16 UPPR WRKHORSE 556 AMBI BLK

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...

BAD 16 UPPR WRKHORSE 556 AMBI C BLK

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...

UPPER GROUP RESOLUTE Mk4 300BLK 16.1 Midnight Bronze

UPPER GROUP RESOLUTE Mk4 300BLK 16.1 Midnight Bronze

GVAC UPPER GROUP 5.56MM 16.1"223 Rem | 5.56 NATO

GVAC UPPER GROUP 5.56MM 16.1"

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...

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...

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 /...

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...

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...

UPPER GROUP BANSHEE Mk4 .22LR 9 Armor Black

UPPER GROUP BANSHEE Mk4 .22LR 9 Armor Black

SPIKE'S 556NATO M4 LE UPPER W/RAIL

Spikes complete upper assemblies will arrive to you inspected, tested, and ready to drop-in and go to work. Spikes maintains the same high standard of tolerances and attention to detail as the uppers...

UPPER GROUP RESOLUTE Mk422 ARC 16.1 Midnight Bronze

UPPER GROUP RESOLUTE Mk422 ARC 16.1 Midnight Bronze

CMMG Banshee Mk4 AR-15 Upper Group .338 ARC 10.5" Barrel Black

Made to combine the prowess of the AR15 platform with the stopping power of a large bore caliber 338 ARC strives to emulate the sub or supersonic versatility of the now ubiquitous 300 BLK cartridge...

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...

COBALT CK-PRO-URG-675-S-BLK STRIPPD URG 6.75 BLK

The Cobalt Kinetics CK-Pro Upper Receiver Groups were designed for end users that want to upgrade their current ARs to have the same performance edge featured in completed platforms. All CK-Pro URGs...

Cobalt Kinetics CKPROURG118SFDE CK-Pro Urg Aluminum Flat Dark Earth Cerakote Receiver

The Cobalt Kinetics CK-Pro Upper Receiver Groups were designed for end users that want to upgrade their current ARs to have the same performance edge featured in completed platforms. All CK-Pro URGs...

Cobalt Kinetics CKPROURG13SFDE CK-Pro Urg Aluminum Flat Dark Earth Cerakote Receiver

The Cobalt Kinetics CK-Pro Upper Receiver Groups were designed for end users that want to upgrade their current ARs to have the same performance edge featured in completed platforms. All CK-Pro URGs...

Cobalt Kinetics CKPROURG675SFDE CK-Pro Urg Aluminum Flat Dark Earth Cerakote Receiver

The Cobalt Kinetics CK-Pro Upper Receiver Groups were designed for end users that want to upgrade their current ARs to have the same performance edge featured in completed platforms. All CK-Pro URGs...

Spikes STU5435R2S Complete Upper 5.56x45mm NATO 16" Black Phosphate/Midlength Barrel, 7075-T6 Aluminum Black Receiver, 12" SAR3 Free-Floating Handguard for AR-15

The Spike's Tactical ST-15 Enhanced upper line-up is designed as a fully Mil-spec compliant upper series for law enforcement. This same level of quality and performance is now available to everyone,...

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...

Radian Weapons R0195 Model 1 Upper & Handguard Set Multi-Caliber 7075-T6 Aluminum Radian Black Cerakote Receiver, 10" Magpul M-LOK Handguard for AR-15

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...

UPPER GROUP BANSHEE Mk3 .308WIN 12.5 Armor Black

UPPER GROUP BANSHEE Mk3 .308WIN 12.5 Armor Black

BAD 16 UPPR AUTH ELITE 556 AMBI BLK

The heart of the BAD Authority Elite upper receiver is the billet BAD556 7075-T6 aircraft grade aluminum receiver with integral ambidextrous controls and free-float rail handguard with M-LOK...

BAD 16 UPPR AUTH ELITE 556AMBI C BLK

The heart of the BAD Authority Elite upper receiver is the billet BAD556 7075-T6 aircraft grade aluminum receiver with integral ambidextrous controls and free-float rail handguard with M-LOK...

CMMG RESOLUTE UPPER GROUP 5.7X28 16.1 BLK

Personal defense calibers like 5.7x28mm have become a big thing in the last few years and if you're looking for PDW ballistics and the classic style and balance of a carbine then you're in luck...

FN15/AR 16'' CARBINE UPPER RECEIVER ASSEMBLY

FN15/AR 16'' CARBINE UPPER RECEIVER ASSEMBLY

Spikes STU5025M4S Complete Upper 5.56x45mm NATO 16" Black Phosphate Barrel, 7075-T6 Aluminum Black Receiver, M4 Double Head Shield Handguard for M4 Carbine

The Spike's Tactical ST-15 LE upper line-up is designed as a fully Mil-spec compliant upper series for law enforcement. This same level of quality and performance is now available to everyone, all at...

Patriot Ordnance Factory Minuteman Complete Upper 5.56x45mm NATO 10.50" Black Nitride Barrel Aluminum Patriot Brown Receiver 9" M-LOK Handguard Lo Pro DI Gas Block (Mid Length)

MK 12 MOD H GEN III DIY KIT W/PRI REAR SIGHT RECCE RAIL FDE

MK 12 MOD H GEN III DIY Kit w/PRI REAR SIGHT RECCE RAIL FDE

FAXON URSSB556-SS-MB ARAK21 16 556 COMP UPPER MB

FAXON URSSB556-SS-W ARAK21 16 556 COMP UPPER TNG

SPIKE'S 556 UPPER 14.5"PB RAIL/DYN

Spikes complete upper assemblies will arrive to you inspected, tested, and ready to drop-in and go to work. Spikes maintains the same high standard of tolerances and attention to detail as the uppers...

CMMG RESOLUTE MK3 UPPER GROUP 308WIN 16.1 BLK

Build the ultimate .308 Win carbine with the RESOLUTE Mk3 upper group. Combining heavy hitting performance with styling in a league of its own there is no doubt that this upper will set your rifle...

Franklin Armory F17-X Complete Upper Receiver .17 WSM 20rd Magazine 16" Threaded Barrel Black

The Franklin Armory complete upper receiver comes with everything you will need to install it on your Milspec AR complete lower receiver. Chambered in the amazing .17 Winchester Super Magnum this...

M4 LE6921EPR UPPER GROUP 14.5IN WITH BCG

ENHANCED PATROL RIFLE EPR 5.56 M4 UPPER RECEIVER GROUPS

M4 LE6940 UPPER GROUP 16IN WITH BCG AND SIGHTS

M4 5.56 COMPLETE MONOLITHIC UPPER RECEIVER GROUPS