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

PMC X-Tac M193 5.56x45mm NATO Ammo 55 Grain Full Metal Jacket Battle Pack of 200

Hornady Superformance 5.56x45mm NATO Ammo 55 Grain CX Solid Hollow Point Lead Free Box of 20

Hornady Superformance Match 5.56x45mm NATO Ammo 75 Grain Jacketed Hollow Point Box of 20

Federal American Eagle M193 5.56x45mm NATO Ammo 55 Grain Full Metal Jacket Box of 20

Winchester White Box USA M193 5.56x45mm NATO Ammo 55 Grain Full Metal Jacket Box of 20

Winchester M855 SS109 5.56x45mm NATO Ammo 62 Grain Penetrator Full Metal Jacket Box of 20

Federal Training M193 5.56x45mm NATO Ammo 55 Grain Full Metal Jacket Box of 200

Battle Arms Development Workhorse AR-15 Upper 16 Barrel 5.56 NATO 15 M-LOK Handguard

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

Battle Arms Workhorse AR-15 Pistol Barreled Upper Receiver 5.56x45mm NATO 9.5" Barrel

Spike s Tactical 16-inch AR-15 Complete Upper 5.56 NATO M4 LE with 9-inch Rail

Spikes Tactical ST-15 Enhanced Mid-Length Complete Upper 5.56 / .223 Rem 16-inch CHF

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

Spikes Tactical Complete Upper Receiver 5.56 NATO / .223 Rem 16 Barrel