5.56x45mm NATO Gun Parts

Lead & Steel L&S Monobloc Barrel - Threaded 5.56MM 14.5in Mid Length Black

Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded AR Barrel 13.9in Mid Length 1-8 Twist 1/2x28 Chrome Phosphate Black

Lead & Steel L&S Monobloc Barrel - Threaded 5.56MM 12.5in Mid Length Black

F5 MFG Gen 2 PSA JAKL 5.56/300/9mm Stock System w/ Adapter FDE 3in x 6in x10 in

F5 MFG Gen 2 PSA JAKL 5.56/300/9mm Stock System w/ Adapter Olive Drab Green 3in x 6in x10 in

F5 MFG Gen 2 PSA JAKL 5.56/300/9mm Stock System w/ Adapter Black 3in x 6in x10 in

Lancer Systems LCH5 Gen2 Carbon Fiber Handguard 15in 2in Front Sight

Lancer Systems LCH5 Gen2 Carbon Fiber Handguard Full Rail 9.5 in Black

Bastion Bastion, Don't Tread On Me, AR-15 Ejection Port Dust Cover, Black/White Finish, Don't Tread On Me/Gadsden Flag Laser Engraved On open Side Only, Fits Standard 223/556/6.8/6.5 BASEPDC-BW-75DTOM

Bastion Skull, Threaded Trigger Guard, Black and White, Fits 5.56/223 AR BASARFL-GRD-BW-BTSKUL

Bastion Blank, Threaded Trigger Guard, Black and White, Fits 5.56/223 AR BASARFL-GRD-BW-BLANK

AR-STONER AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 5" Barrel Pistol Length M-LOK Handguard

Andro Corp Industries AR-15 Complete M-LOK Upper Receiver with Flash Hider Assembly w/Fmark Front Sight Base 5.56 NATO 18.75in 10.3in Barrel Govt

Andro Corp Industries 556 Mlok Upper 16in Flat Dark Earth

Andro Corp Industries Barrel 5.56 NATO 10.3 inch Medium Contour Carbine Gas 1-7 Twist 1/2x28 Thread Black Black

Andro Corp Industries RRD GEN2 Triple Port Muzzle Brake 5.56mm 1/2 x 28 Threads Black Nitride

Andro Corp Industries RRD GEN2 Dual Port Muzzle Brake 5.56mm 1/2 x 28 Threads Black Nitride

Andro Corp Industries Barrel 5.56 NATO 16 inch Medium Contour Mid-Gas 1-7 Twist 1/2x28 Thread Black Black

Andro Corp Industries Barrel 5.56 NATO 10.3 inch Medium Contour Carbine Gas Carbine Gas 1-7 Twist 1/2x28 Thread Black Black

Andro Corp Industries Front Sight Base SB AR-15 5.56mm Threaded Rifle Barrel 10.3 inch 1-7 Twist 1/2x28 QPQ Corrosion Resistant Black

APF Armory 5.56 Fury Complete Upper Receiver Armor Black

TacFire AR-15 7.5" .223 / 5.56 1:7 Parkerized Barrel

FAB Defense AR-15/M4/M16 Quick Release Front Gun Grip Magazine Adapter OD Green

FAB Defense Magazine Well Grip for AR 15/M4/M16 OD Green