Uppers

Shop precision-engineered upper receivers for rifles, designed for accuracy, reliability, and custom builds.
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Picture of Battle Arms Development Authority Elite, Complete Upper Receiver, 556NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Sniper Gray, Includes Bad Rack-15 C Ambidextrous Charging Handle and AR15/M16 BCG BAD-AUTH-UR16G-Y-15C

Battle Arms Development Authority Elite, Complete Upper Receiver, 556NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Sniper Gray, Includes Bad Rack-15 C Ambidextrous Charging Handle and AR15/M16 BCG BAD-AUTH-UR16G-Y-15C

$954.45 $772.62
HOT DEAL 11% OFF Picture of Battle Arms Development XIPHOS Upper Receiver, Stripped, 9MM, Anodized Finish, Black, Billet 7075-T6 Aluminum Construction BAD-PCC-UR

Battle Arms Development XIPHOS Upper Receiver, Stripped, 9MM, Anodized Finish, Black, Billet 7075-T6 Aluminum Construction BAD-PCC-UR

$243.95 $216.04
Picture of Battle Arms Development WORKHORSE, Upper Receiver Assembly, 223 Remington/556NATO, 10.5" Barrel, Carbine-length Gas System, Anodized Finish, Black, A2 Flash Hider, WORKHORSE 9.5" M-LOK Free Float Handguard, Does Not Include Bolt Carrier Group or Charging Handle WH-UR-10.5-556

Battle Arms Development WORKHORSE, Upper Receiver Assembly, 223 Remington/556NATO, 10.5" Barrel, Carbine-length Gas System, Anodized Finish, Black, A2 Flash Hider, WORKHORSE 9.5" M-LOK Free Float Handguard, Does Not Include Bolt Carrier Group or Charging Handle WH-UR-10.5-556

$529.99 $429.96
Picture of Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black, Includes Bad Rack-15 C Ambidextrous Charging Handle and AR15/M16 BCG WH-UR16B-Y-15C

Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black, Includes Bad Rack-15 C Ambidextrous Charging Handle and AR15/M16 BCG WH-UR16B-Y-15C

$692.98 $650.18
TRENDING Picture of Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 10.5" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black, Includes Bad Rack-15 Ambidextrous Charging Handle and AR15/M16 BCG WH-UR10.5B-Y-15

Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 10.5" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black, Includes Bad Rack-15 Ambidextrous Charging Handle and AR15/M16 BCG WH-UR10.5B-Y-15

$692.98 $662.62
Picture of Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 10.5" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black, Includes Bad Rack-15 C Ambidextrous Charging Handle and AR15/M16 BCG WH-UR10.5B-Y-15C

Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 10.5" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black, Includes Bad Rack-15 C Ambidextrous Charging Handle and AR15/M16 BCG WH-UR10.5B-Y-15C

$692.98 $654.67
Picture of Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 10.5" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Sniper Gray, Includes Bad Rack-15 Ambidextrous Charging Handle and AR15/M16 BCG WH-UR10.5G-Y-15

Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 10.5" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Sniper Gray, Includes Bad Rack-15 Ambidextrous Charging Handle and AR15/M16 BCG WH-UR10.5G-Y-15

$745.48 $551.87
Picture of Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 10.5" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Sniper Gray, Includes Bad Rack-15 C Ambidextrous Charging Handle and AR15/M16 BCG WH-UR10.5G-Y-15C

Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 10.5" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Sniper Gray, Includes Bad Rack-15 C Ambidextrous Charging Handle and AR15/M16 BCG WH-UR10.5G-Y-15C

$745.48 $695.35
Picture of Battle Arms Development WORKHORSE, Upper Receiver Assembly, 223 Remington/556NATO, 16" Barrel, Mid-length Gas System, Anodized Finish, Black, A2 Flash Hider, WORKHORSE 15" M-LOK Free Float Handguard, Does Not Include Bolt Carrier Group or Charging Handle WH-UR-16-556

Battle Arms Development WORKHORSE, Upper Receiver Assembly, 223 Remington/556NATO, 16" Barrel, Mid-length Gas System, Anodized Finish, Black, A2 Flash Hider, WORKHORSE 15" M-LOK Free Float Handguard, Does Not Include Bolt Carrier Group or Charging Handle WH-UR-16-556

$529.99 $442.80
Picture of Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black, Includes Bad Rack-15 Ambidextrous Charging Handle and AR15/M16 BCG WH-UR16B-Y-15

Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Black, Includes Bad Rack-15 Ambidextrous Charging Handle and AR15/M16 BCG WH-UR16B-Y-15

$692.98 $665.48
Picture of BCM UPPER REC ASSEMBLY MK2 BCM4-UR-MK2

BCM UPPER REC ASSEMBLY MK2 BCM4-UR-MK2

$165.00 $114.79
Picture of Bootleg Billet Upper, Upper, Black, AR15 BP-UR-1A

Bootleg Billet Upper, Upper, Black, AR15 BP-UR-1A

$189.95 $164.89
Picture of M4 5.56 COMPLETE MONOLITHIC UPPER RECEIVER GROUPS 65701

M4 5.56 COMPLETE MONOLITHIC UPPER RECEIVER GROUPS 65701

$1,129.99 $973.90
Picture of Colt M4 LE6921 UPPER GROUP 14.5IN STRIPPED SP401165

Colt M4 LE6921 UPPER GROUP 14.5IN STRIPPED SP401165

$581.99 $458.86
Picture of Colt M4 LE6933 UPPER GROUP 11.5'' STRIPPED 64785

Colt M4 LE6933 UPPER GROUP 11.5'' STRIPPED 64785

$624.99 $492.81
Picture of Colt M4 LE6945 UPPER GROUP 10.3IN WITH BCG AND SIGHTS LE6945CK

Colt M4 LE6945 UPPER GROUP 10.3IN WITH BCG AND SIGHTS LE6945CK

$1,399.00 $1,080.02
Picture of ENHANCED PATROL RIFLE EPR 5.56 M4 UPPER RECEIVER GROUPS SP402307

ENHANCED PATROL RIFLE EPR 5.56 M4 UPPER RECEIVER GROUPS SP402307

$868.99 $684.87
Picture of Colt M16 UPPER GROUP 20IN MOE WITH BCG & CHARGING HANDLE R0901006CK

Colt M16 UPPER GROUP 20IN MOE WITH BCG & CHARGING HANDLE R0901006CK

$903.99 $713.01
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