Model:

WORKHORSE
Battle Arms Development WORKHORSE, 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 WH-UR16G-Y-15C
UPC: 810033786181
Model:

WORKHORSE
Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 16" Barrel, Fits AR-15, M-Lok Handguard, Anodized Finish, Sniper Gray, Includes Bad Rack-15 Ambidextrous Charging Handle and AR15/M16 BCG WH-UR16G-Y-15
UPC: 810033786174
Model:

WORKHORSE
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
UPC: 810033786167
Model:

WORKHORSE
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
UPC: 810033786150
Model:

WORKHORSE
Battle Arms Development WORKHORSE, Complete Upper Receiver, 556NATO, 10.5" Barrel, Fits AR-15, M-Lok Handguard, Anodized Fi ish, Sniper Gray, Includes Bad Rack-15 C Ambidextrous Charging Handle and AR15/M16 BCG WH-UR10.5G-Y-15C
UPC: 810033786143
Model:

WORKHORSE
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
UPC: 810033786136
Model:

WORKHORSE
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
UPC: 810033786129
Model:

WORKHORSE
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
UPC: 810033786112
Model:

Authority Elite
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
UPC: 810033786105
Model:

Authority Elite
Battle Arms Development Authority Elite, 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 BAD-AUTH-UR16B-Y-15
UPC: 810033786075
Model:

Authority Elite
Battle Arms Development Authority Elite, 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 BAD-AUTH-UR10.5G-Y-15C
UPC: 810033786068
Model:

Authority Elite
Battle Arms Development Authority Elite, 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 BAD-AUTH-UR10.5G-Y-15
UPC: 810033786051
Model:

Authority Elite
Battle Arms Development Authority Elite, 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 BAD-AUTH-UR10.5B-Y-15
UPC: 810033786037
Model:

1:16"
CMMG 22D7C6C Replacement Barrel Kit with Bolt Carrier Group, 22 LR 16.10" Threaded, Black Nitride Chromoly Steel, Fits AR-15/Mk4
UPC: 815835013985
Model:

1:16"
CMMG 22D5B6E Replacement Barrel Kit with Bolt Carrier Group, 22 LR 4.50" Threaded, Black Nitride Chromoly Steel, Fits AR-15/Mk4
UPC: 815835016948
Model:

Dissent
CMMG DISSENT, Complete Upper Receiver, 5.7X28MM, 6.5" Threaded Barrel, 1/2x28, CMMG Zeroed Linear Compensator, Cerakote Finish, Charcoal Green, M-LOK Free Float Handguard, Fits AR-15/CMMG MK57 Lower Receiver, Includes 1913 Picatinny Rail End Plate 57BA8AE-CG
UPC: 810097509429
Model:

Ready Series
DPMS AP4 A3 Upper Receiver Assembly for AR-15 5.56x45mm NATO 16" Barrel Black No Handle
UPC: 884451000655
Model:

ARAK-21
Faxon Firearms ARAK-21, Complete Upper Receiver, Piston Operated, 7.62x39, 16" Barrel, Fits AR-15, Picatinny Handguard, Matte Finish, Black, Includes Bolt Carrier Assembly, MuzzLok 3 Port Muzzle Break and Standard Charging Handle URSSB762
UPC: 816341021969