AR Parts in 5.56x45mm NATO

V2 Combat Grade 5.56x45 Nato Rifle Barrels For Ar-15 - Combat 5.56x45 Nato 11.5'''' V2 Profile 1/2''''x28 Cmv 1-7 Twist

BUSHMASTER M4 Type Patrolman Flat Top A4 Upper 5.56 16" Black

Colt AR-15 Complete Upper Receiver 5.56x45mm NATO 20" Barrel Magpul MOE Handguard

Colt Firearms LE6921CK-NHG Upper Kit Black 5.56 NATO 14.5-inch

PRI Mark 12 Mod 0 AR-15 Complete Upper Receiver 5.56x45mm NATO 18" Barrel 1:7" Twist Black

The Triggered Company Disruptor w/ Ambi Selector Forced Reset Trigger

Vltor Mod 3 Large AR-15 Charging Handle Black

Vltor Clamp On Low Profile Gas Block AR-15, LR-308 0.750" Black

Ar-15 Bolt Carrier Group 5.56mm

Ar-15 Ambidextrous Magazine Release

Ar-15 Barrels 5.56 Nato - Ar-15 11.5 Barrel Carbine Length 1/2-28 1-8 Black

LWRC PDW AR-15 Stock Kit Standard Piston

LWRC Ambi Lower PDW Stock Kit

WMD Guns Upper Receiver Nib-X 5.56 Stripped Upper

Centurion Arms Threaded Rifle Barrel MK12 18 in 416R Stainless Steel 1/2x28 1-7 Twist Rifle Length Stainless NSN 9305.20.9000

Hard Charger Tactical Side-Charging Handle W/Folding Handle - Ar-15 Hard Charger Tactical Side-Charge Handle W/Fold Handle

2A ARMAMENT 5.56 NATO 16" Threaded Barrel w/ Mid-Length Gas System | Black

Ar-15/M16 5.56 Hammer Forged Barrels - 16'''' Lightweight Carbine 5.56 Barrel, 1-7 Twist

Daniel Defense AR-15 Barrel 5.56x45mm NATO 16" M4 Contour 1:7" Twist Matte with Front Sight Base

Daniel Defense AR-15 Barrel 5.56x45mm NATO 14.5" M4 Contour 1:7" Twist Matte with Front Sight Base

Daniel Defense AR-15 Barrel 5.56x45mm NATO 10.3" Government Contour 1:7" Twist Matte with Front Sight Base

FPM Gunworks Spleen Splitter 5.56 / .223 Rem Muzzle Brake 1/2x28

LWRC DI BILLET 5.56MM BLK 16.1" #

Rosco Bloodline Barrel AR-15 Barrel 5.56 7.5 Threaded Barrel Carbine Length