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
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 $464.19
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 $647.37
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 $467.04
TRENDING 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 $633.05
Picture of BCM UPPER REC ASSEMBLY MK2 BCM4-UR-MK2

BCM UPPER REC ASSEMBLY MK2 BCM4-UR-MK2

$165.00 $114.79
Picture of Daniel Defense MK18 Upper Group 5.56x45mm NATO 10.30" Black Phosphate Barrel, 7075-T6 Aluminum Black Anodized Receiver, Flat Dark Earth DD RISII MK18 Handguard for AR-15 2300408013011

Daniel Defense MK18 Upper Group 5.56x45mm NATO 10.30" Black Phosphate Barrel, 7075-T6 Aluminum Black Anodized Receiver, Flat Dark Earth DD RISII MK18 Handguard for AR-15 2300408013011

$1,517.00 $1,412.00
Picture of Aero Precision Receiver 308 Win 7075-T6 Aluminum Flat Dark Earth Cerakote Receiver for M5 Platform APAR308505C

Aero Precision Receiver 308 Win 7075-T6 Aluminum Flat Dark Earth Cerakote Receiver for M5 Platform APAR308505C

$210.00 $121.40
Picture of Aero Precision Assembled Receiver 308 Win 7075-T6 Aluminum Black Hard Coat Anodized Receiver for M5 Platform APAR308503AC

Aero Precision Assembled Receiver 308 Win 7075-T6 Aluminum Black Hard Coat Anodized Receiver for M5 Platform APAR308503AC

$199.00 $139.28
Picture of Sons Of Liberty Gun Works BROADSWORD-89 223 WYLDE 14.5'' BBL 13'' M89 RAIL W/NOX BROADSWORDUPPER-89-14.5-223

Sons Of Liberty Gun Works BROADSWORD-89 223 WYLDE 14.5'' BBL 13'' M89 RAIL W/NOX BROADSWORDUPPER-89-14.5-223

$1,498.99 $1,214.11
Picture of Sons Of Liberty Gun Works BROADSWORD-89 6MM ARC 14.5'' BBL 13'' M89 RAIL W/NOX BROADSWORDUPPER-89-14.5-6ARC

Sons Of Liberty Gun Works BROADSWORD-89 6MM ARC 14.5'' BBL 13'' M89 RAIL W/NOX BROADSWORDUPPER-89-14.5-6ARC

$1,498.99 $1,182.14
Picture of Sons Of Liberty Gun Works BROADSWORD-89 6MM ARC 18'' BBL 16.75'' M89 RAIL W/NOX BROADSWORDUPPER-89-18-6ARC-NOX

Sons Of Liberty Gun Works BROADSWORD-89 6MM ARC 18'' BBL 16.75'' M89 RAIL W/NOX BROADSWORDUPPER-89-18-6ARC-NOX

$1,383.99 $1,091.21
Picture of Lmt Defense MRP-L M-LOK 5.56/300 BLK 9.25'' ASSEMBLED UPPER RECEIVER L7X1A

Lmt Defense MRP-L M-LOK 5.56/300 BLK 9.25'' ASSEMBLED UPPER RECEIVER L7X1A

$800.10 $628.17
Picture of Lmt Defense MRP-L M-LOK 5.56/300 BLK 13.25'' ASSEMBLED UPPER RECEIVER L7Y1A

Lmt Defense MRP-L M-LOK 5.56/300 BLK 13.25'' ASSEMBLED UPPER RECEIVER L7Y1A

$845.10 $685.21
Picture of Lmt Defense MRP-L M-LOK SPECWAR 5.56MM 11.5'' ASSEMBLED UPPER RECEIVER L7Z1A

Lmt Defense MRP-L M-LOK SPECWAR 5.56MM 11.5'' ASSEMBLED UPPER RECEIVER L7Z1A

$845.10 $666.36
Picture of Lmt Defense MRP-L M-LOK SHOVELNOSE 5.56MM 11.5'' ASSEMBLED UPPER RECEIVER L7ZN2A

Lmt Defense MRP-L M-LOK SHOVELNOSE 5.56MM 11.5'' ASSEMBLED UPPER RECEIVER L7ZN2A

$912.60 $685.19
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