Guns in 5.56x45mm NATO

Griffin Armament MK1 AR-15 Complete Lower Receiver w/ SBA3 Brace, Black

Andro Corp Industries ACI-15 Forged Receiver Set with 7.25" MLOK Handguard Flat Dark Earth

Andro Corp Industries ACI-15 Forged Receiver Set with 15" MLOK Handguard Black

Andro Corp Industries ACI-15 M4 Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Flat Dark Earth Frame Black Pistol Grip

Andro Corp Industries ACI-15 Forged Receiver Set with 9.25" MLOK Handguard Black

Andro Corp Industries ACI-15 Forged Receiver Set with 15" MLOK Handguard OD Green

Andro Corp Industries ACI-15 Forged Receiver Set with 9.25" MLOK Handguard OD Green

Andro Corp Industries ACI-15 Forged Receiver Set with 4.25" MLOK Handguard Flat Dark Earth

Andro Corp Industries ACI-15 Forged Receiver Set with 9.25" MLOK Handguard Flat Dark Earth

Andro Corp Industries ACI-15 Forged Receiver Set with 15" MLOK Handguard Flat Dark Earth

Bushmaster Bravo Zulu 5.56x45mm NATO Pistol 11.5" Threaded Barrel 10+1 Round Black Pistol Brace Stock

Bushmaster XM15A2 5.56 20 Barrel 30-Rounds w/ Carry Handle

Bushmaster QPC A1 M4-IZZy 10rd Magazine

PSA JAKL 5.56 Complete Lower MOE EPT, FDE

Heckler and Koch MR556 Night Ops MultiCam 5.56 11 Barrel 30-Rounds

Global Ordnance Monolith 15P 5.56 12.5 Barrel 30-Rounds MUT Mount

Shield Arms SA-15 Folding Billet AR-15 Stripped Lower Receiver Hard Coat Anodized Black

FosTech Outdoors FLITE Elite Eagle Fighter Tungsten 5.56 16 Barrel 30-Rounds Single Stage Trigger

FosTech Outdoors FLITE Elite Phantom Fighter Tungsten 5.56 / .223 Rem 16 Barrel 30-Rounds SST

FosTech Outdoors FLITE Elite Eagle Fighter Tungsten 5.56 16 Barrel 30-Rounds

VKTR Industries VK-1 Gray 5.56 / .223 Rem 10.5 Barrel 30-Rounds w/ SBA3 Brace

Smith & Wesson M&P15 5.56x45mm 16", Black

S&W M&P15 VTACII Black 5.56NATO 16-inch 30rd

Black Dawn BDR-15 Magpul 16-inch 5.56 Complete Rifle w/case/ACC ODG