Results for 5.56x45mm NATO Upper Receivers/Conv Kits

Battle Arms Workhorse AR-15 Complete Upper Receiver 223 Remington (Wylde) 16" Barrel

Geissele AR-15 Super Duty MOD1 Pinned and Welded Complete Upper Receiver 5.56x45mm 13.9" Cold Hammer Forged Barrel M-LOK DDC

Battle Arms Development WORKHORSE Complete Upper 5.56 16 Barrel 15 M-LOK Handguard

Battle Arms Development Authority Elite Complete Upper 5.56 16 Threaded Barrel M-Lok Handguard

Battle Arms Development Authority Elite Complete Upper 5.56 16 Barrel M-Lok Handguard

Noveske AR-15 N4 Infidel Pinned and Welded Complete Upper Receiver 5.56x45mm NATO 13.7" Barrel NSR-15 M-LOK Handguard Black

Noveske AFGHAN COMPLETE UPPER 14.5 INCH

Noveske N4 Recon AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel Black

CMMG Bravo Rimfire AR-15 Conversion Kit with 3 10-Round Magazines 22 LR Stainless Steel

LBE Upper with Forward Assist and Dust Cover

Wilson Combat Upper Receiver

Yankee Hill Machine Stripped AR-15 A3 Upper Receiver Aluminum Black

Luth-AR AR-15 A1 Upper Receiver Assembled

Luth-AR A2 Carry Handle Style Stripped Upper Receiver w/A2 Rear Sight Cut, Black

Bravo Company BCM M4 Assembled AR-15 Upper Receiver Aluminum

LanTac Upper Standard Receiver 5.56 NATO / .223 Rem M4 Feed Ramps for AR-15

HK MR556 A4 AR-15 Complete Upper Receiver 5.56x45mm NATO 16.5" Barrel

Fortis Manufacturing Billet M4 Upper 5.56 NATO/.223 Rem Stripped For AR-15

Sharps Bros Assembled AR-15 Billet Upper Receiver Aluminum Black

Luth-AR A1 Stripped Upper Receiver With M4 Feed Ramp

Spike s Tactical Generation 2 Billet Upper 223 Remington 556NATO Mil-Spec Barrel Nut

Luth-AR A2 Carry Handle Style Assembled Upper Receiver w/A2 Rear Sight Cut, Black

Luth-ar UR-01-E3-S A1 Stripped Upper Receiver 223/5.56mm Aluminum Black Hardcoat Anodize Receiver

Luth-Ar Slick Side A1 5.56 NATO Ar-15 Upper Assembled Receiver Anodized