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

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

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 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, 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 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 Performance Series, Barrel, 223 Remington/556NATO, 13.9" Barrel, Matte Finish, Black, Low Profile Gas Block, Mid Length Gas System, Fits AR15 Upper Receivers BABL556037F

Sons of Liberty Gun Works EXO3 Complete Upper, 223 Remington/556NATO, 13.7" Pinned (16" OAL) Combat Barrel, QPQ Finish, Black, 13" EXO3 M-LOK Handguard, A2 Flash Hider EXO3UPPER-13.7-556

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

Ballistic Advantage Performance Series, Hanson Profile Barrel, 556NATO, 14.5", Black Finish, Lo Pro Gas Block Included BABL556008F

Aero Precision M5 Assembled Upper, For AR10, Anodized, Flat Dark Earth APAR308505AC

Advantage Arms Conversion Kit, 17-22G3-MOD-CA, 22 LR, 4.49" Barrel, Fits Glock 17/22 Gen 3, Optics Ready, Black, Fixed Sights, 10 Rounds, 2 Magazines, California Compliant AAC17-22G3-MOD-CA

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

Radian Weapons Complete Upper, 300 Blackout, 9" Barrel, 1:5 Twist, Keymo Flash Hider, Pistol Length Gas, 8" MLOK Handguard, Radian Raptor-SD Charging Handle, Radian Enhanced Bolt Carrier Group, Cerakote Finish, Brown, Fits AR-15 R0444

Aero Precision AR15 Complete Upper, 223 Remington/556NATO, 20" Barrel, 1:7 Twist, A2 Detachable Carry Handle and A2 Front Sight Block, Rifle Length Gas System, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR505611