Upper Receivers/Conversion Kits

Spike's Tactical Upper 223 Rem 556NATO 16" Black Four Rail Handguard 1:7 Chrome Lined Flat Top AR Rifles STU5025-R9S

Spike's Tactical Law Enforcement Upper 223 Rem 556NATO 16" Black 1:7 Chrome Lined Flat Top AR Rifles A2 Front STU5025-M4S

Colt's Manufacturing Upper 223 Rem 556NATO 16" Black M4 Chrome Lined Does NOT have LE Rollmarks AR Rifles Front/Rear Flip Sights LE6920MP-B

IWI US, Inc X95 Conversion Kit, 300 Blackout, 16.5" Barrel, Black Finish, 1 Mag, 30Rd XK300R

IWI US, Inc X95 Conversion Kit, 9MM, 17" Barrel, Black Finish, 1 Mag, 32Rd XK9

Black Rain Ordnance 458 SOCOM Complete Upper, 16" 4150 Chromoly Vanadium Steel Barrel, 1:14 Twist, Forged, 15" MLOK Rail, Nitride Coated BCG, Billet Charging Handle w/Extended Tac Latch, 458 SOCOM Muzzle Brake, Black Finish BRO-SPEC15-CU-458S

Black Rain Ordnance 556 SOCOM, Complete Upper, 556NATO, 16" SOCOM Profile Chromoly NATO Barrel, Black Finish, 1:7 Twist, BRO 15" M-Lock Hybrid Handguard, Mid Lenght Gas System, "LET IT RAIN" Lazer Engraved Dust Cover, SPEC15 Nitride Coated Bolt And Carrier Group, Mil-Spec A2 Flash Hidder, Spec 15 Charging Handle BRO-SPEC15-CU-SOCOM-556

2A Armament Palouse-Lite, 16.5" 5.56 M-LOK Complete Upper, Black Finish 2A-FCU556ML15BLK-1

Primary Weapons Systems MK116 Pro Upper, 223 Wylde, 556NATO, 16.1" Barrel, PWS 15" MLOK Handguard, Radian Raptor Charging Handle, Black Finish 19-PM116UA0B

Colt's Manufacturing Upper, 556NATO, 16", Black LE6920EPR-CK

TROY A4 Complete Upper, 223 Rem/556NATO, 16" Barrel SUPG-A4S-16BT-00

HM Defense 16MBUP-556-L, Upper, Fits AR-15, 223REM/556NATO, 16" MONOBLOC Barrel, Midlength Gas System with Integral Gas Block, 1:8 Twist, Muzzle Brake, Black Color, Anodized Finish, 15" Free Float Rail with M-LOK 16MBUP-556-L