Advantage Arms Conversion Kit, 19-23G5-MOD-CA, 22 LR, 4.02" Barrel, Fits Glock 19/23 Gen 5, Optics Ready, Black, Fixed Sights, 10 Rounds, 2 Magazines, California Compliant AAC19-23G5-MOD-CA

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

Ballistic Advantage Performance Series, 556NATO, 13.7" Barrel, Black Finish, Lo Pro Gas Block, Carbine Length Gas System, Fits AR15 BABL556028F

Faxon Firearms Match Series, Gunner Profile Barrel, 338 ARC, 14.5", Pistol Length Gas System, Fits AR-15, Nitride Finish, Black 15B338A8P145NGQ-5R-NP3

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

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

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

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 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

Ballistic Advantage Modern Series, M4 Profile Barrel, 223 Remington/556NATO, 14.5", Carbine Length Gas System, 1:7 Twist, 1/2X28 Threads, 4150 CrMoV, QPQ Corrosion Resistant Finish, Black BABL556009M

Ballistic Advantage Barrel, 556NATO, 13.7", Black, Gas Block, Mid Length Gas System, AR-15 BABL556H37F

Ballistic Advantage Modern Series, Barrel, 556NATO, 13.7", 1:7, Bead Blasted BABL556033M

CMMG Resolute MK4, Upper Receiver, 6MM ARC, 16.1" Barrel, Cerakote Finish, Armor Black 60B1091-AB

FN America Barrel, 14.7", 556NATO, 1:7 Twist, Hammer Forged, Carbine Gas System, M4 Contour, Fits AR-15, Matte Finish, Black 20-100405

Noveske Commando Barrel, 223 Rem/556NATO, Chainsaw, 11.5", Stainless, Fits AR-15 07000050

Noveske Barrel, 556NATO, 14.5", 1:7 Twist, Mid Lenght Gas System, Pinned Gas Block and Gas Tube, Stainless 07000054

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

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

Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 556NATO, 10.3" Cold Hammer Forged Barrel, 1:7 Twist, HuxWrx Flash Hider-QD Muzzle Device, M-LOK Free Float Handguard, Geissele Airborn Charging Handle, Nanowepon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Black 08-543B

Radian Weapons Upper/Handguard Set, Cerakote Finish, Olive Drab Green, Fits AR-15, Includes 10" MLOK Handguard, Radian Raptor-SD Charging Handle R0642

Advantage Arms Conversion Kit, 22LR, 4.02" Barrel, Fits Glock Generation 4 19/23, Black Finish, Standard Sights, 1-10Rd Magazine, Includes Range Bag AAG19-23 G4