Results for 5.56x45mm NATO Complete Uppers

Geissele Super Duty AR-15 Barreled Receiver 5.56x45mm NATO 16" Barrel Black

Geissele Super Duty AR-15 Pistol Barreled Receiver 5.56x45mm NATO 11.5" Barrel Desert Dirt

Radian Weapons Model 1 Complete Upper Gray .223 Wylde 16 Barrel

Radian Weapons Model 1 Complete Upper Gray .223 Wylde 14.5 P&W Barrel

Faxon AR-15 ARAK-21 Upper Receiver Assembly 5.56x45mm NATO 12.5" Barrel

DPMS Kitty Kat Complete Upper 5.56 7.5 Threaded Barrel Quad Rail Handguard

CMMG Dissent MK4 Upper 5.56 10.5 Barrel

Spikes Tactical 16" Upper 5.56x45mm 1:7 Quad Rail Mid-Length with BCG, Black - Enhanced Carbine Upper - STU5035CQ2F

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

Maxim Defense PDX AR-15 Complete Upper Receiver 5.56x45mm 5.5" Barrel Black

Maxim Defense PDX AR-15 Complete Upper Receiver 5.56x45mm 5.5" Barrel Arid

Colt Firearms LE6920 Complete Upper 5.56 NATO / .223 Rem 16 Barrel

One Horse OH-15 Complete Pistol Upper 5.56 7.5 Barrel CH BCG

Geissele Automatics Super Duty Stripped Upper Flat Dark Earth 5.56 16 Barrel

VKTR Industries VK-1 Upper 10.5in Nitride Barrel 1 7 Twist 5.56 NATO AR Compatible

Colt AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 14.5" Barrel CMR M-LOK Handguard

Aero Precision AR-15 M4E1-E Barreled Upper Receiver 5.56x45mm NATO 14.5" Barrel 12.7" ATLAS R-ONE Handguard with Pinned Gamma SL Muzzle Device Black

Aero Precision AR-15 Barreled Upper Receiver 5.56x45mm NATO 16" Barrel MOE SL Mid-Length Handguard Flat Dark Earth

Radian Weapons Model 1 Builder Kit Gray 5.56 10 Handguard

LMT Defense MRP-L Quad Assembled Upper Receiver 5.56/300 BLK 13.25

DPMS "Kitty Kat" 7.5" 5.56 1:7 C7 Carry Handle Upper

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 12.5" Cold Hammer Forged Barrel M-LOK DDC

Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, Black

Battle Arms Authority Elite 16" Upper 5.56x45mm Free Float M-LOK Rail, Black