Upper Receivers & Conversion Kits

Chiappa Firearms M4-22 Gen II Pro, Conversion Kit, Upper Receiver, 22LR, 16" Heavy Barrel, 11.8" Forend, 8 Position Picatinny Rail, 2 Magazines, Black, 10Rd 500.096

CMMG Conversion Kit, Bravo, Fits AR Rifles, 22LR, 10Rd 22BA62F

CMMG AR Conversion Kit, 22LR, Stainless Steel Bolt Group, 3 Magazines, 10Rd 22BA6AE

CMMG Resolute MK4, Upper Receiver, 350 Legend, 16.1" Barrel, Cerakote Finish, Armor Black 35B5FBC-AB

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

Colt's Manufacturing Upper, 223 Remington/5.56 NATO, Black Finish, Dust Cover, Forward Assist, M4 Feed Ramps SP63528

Daniel Defense M4A1, Upper, Complete Upper Receiver, 5.56 NATO, 14.5" Pinned (16" OAL), Daniel Defense M4A1 FSP Rail Interface System Rail, Carbine-Length Gas System, Surefire SF3P Flash Hider, M16 Profile Bolt Carrier Group, Anodized Finish, Flat Dark Earth and Black 23-004-09376

Daniel Defense M4A1 Upper Receiver, 223 Remington/5.56 NATO, 14.5" Barrel (16" OAL with Pinned Brake), Carbine-Length Gas System, 1:7 Twist, M4 12.0 Rail, Flat Dark Earth Finish, Fits AR-15 23-004-13150

Daniel Defense DDM4V7, Complete Upper, 223 Remington/5.56 NATO, 16" Cold Hammer Forged Barrel, 1:7 Twist, Black, M-LOK 23-128-02339-047

Daniel Defense DDM4V7 Lightweight, Complete Upper, 223 Remington/5.56 NATO, 16" Lightweight Barrel, 1:7 Twist, Black Finish, M-LOK 23-128-02932-047

FN America SCAR Light Non-Reciprocating Charging Handle, Conversion Kit, Fits FN SCAR Heavy (17S/20S), Black, Includes NRCH Bolt Carrier, Charging Handle Sled and (2) Ambidextrous Charging Handles 20-100505

Fortis Manufacturing, Inc. Billet M4 Upper, Stripped, Fits AR15, 223 Remington/5.56 NATO, Black Color, Anodized Finish U-Billet-M4

Faxon Firearms ION Ultralight, Complete Upper Receiver, Gas Operated, 5.56 NATO, 16" Pencil Barrel, Integral 3-Port Brake, Multi-Position Adjustable Gas Block, Fits AR-15, 13" M-LOK Handguard, Matte Finish, Black, Includes Gunner Lightweight Bolt Carrier Group, Enhanced Ambidextrous Charging Handle FX5500-U

Geissele Automatics URG-I, Near Clone, Complete Upper Receiver, 5.56 NATO, 14.5" (16" OAL) Barrel, 1:7 Twist, Pinned and Welded Surefire 4 Prong Flash Hider, Desert Dirt Color 13.5" SMR MK16 M-LOK Free Float Handguard, Desert Dirt Color Geissele Airborne Charging Handle, Geissele Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Black, Includes Super 42 Braided Wire Buffer Spring and H1 Buffer 08-159

Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 5.56 NATO, 13.9" Pinned (16" OAL) Barrel, M-LOK Free Float Handguard, Geissele Airborne Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Black 08-546B

Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 5.56 NATO, 13.9" Pinned (16" OAL) Barrel, M-LOK Free Float Handguard, Geissele Airborne Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Desert Dirt Color 08-546S

Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 5.56 NATO, 14.5" Pinned (16" OAL) Barrel, M-LOK Free Float Handguard, Geissele Airborne Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Black 08-547B

Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 5.56 NATO, 14.5" Pinned (16" OAL) Barrel, M-LOK Free Float Handguard, Geissele Airborne Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Desert Dirt Color 08-547S

Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 5.56 NATO, 16" Barrel, 1:7 Twist, HUXWRX Flash Hider-QD 556, 15" SMR MK16 M-LOK Free Float Handguard, Geissele Airborne Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Black 08-548B

Geissele Automatics Super Duty MOD1, Complete Upper Receiver, 5.56 NATO, 16" Barrel, 1:7 Twist, HUXWRX Flash Hider-QD 556, 15" SMR MK16 M-LOK Free Float Handguard, Geissele Airborne Charging Handle, Nanoweapon Reliability Enhanced Bolt Carrier Group, Fits AR-15, Anodized Finish, Desert Dirt Color 08-548S

Heckler & Koch MR556 A4 Upper Receiver, 223 Remington/5.56 NATO, 16.5" Barrel, Threaded 1/2X28, M-LOK Handguard, Anodized Finish, Black, Fits AR-15 Lower Receivers, Includes Bolt Carrier Group, Charging Handle, Buffer Weight and Buffer Spring 51000384

LanTac USA LLC SF15 Recon, Complete Upper Receiver, 223 Wylde, 16" Barrel, Fits AR15, Anodized Finish, Black 01-FA-223-RECON-UPR

LanTac USA LLC USR, Upper Standard Receiver, 5.56 NATO, AR-15, M4 Feed Ramps, Anodized Black 01-RV-UP-USR-SF15

LanTac USA LLC Upper Advanced Receiver, Milspec Type3, Class2 Deep Black Hardcoat Anodized, Includes CP-R360 DomedHead Cam Pin, Billet 7075-T6 Aluminum LA00221