5.56x45mm NATO Gun Parts

IWI TAVOR-21 5.56mm Parts Kit W/ Barrel CTAR-21

French FAMAS Félin Parts Kit w/ Original Barrel

HK416 MR556 Vented Gas Blocks for 14.5"/16" Barrels - Auction

AK 100 5.56 Front End Combo

Israeli Micro Galil MAR 699 Parts Kit - Auction

Colt M16A1 653 Carbine Parts Kit - Auction

FB Beryl 5.56x45mm Bolt Carrier

WBP 5.56x45mm Core Parts Kit

FB Beryl 5.56x45mm Barrel Trunnion

FB Beryl 5.56x45mm Bolt Carrier W/ Piston

FB Radom Beryl 5.56x45mm Extractor Pin

FB Radom Beryl Handguard Retainer Lever

FB Radom Beryl Rear Trunnion - No Rail Tab

WBP Mini Jack 5.56 8" Handguard Set - JMac Customs

NBS AR-15 .223/5.56 Bolt Carrier Group - DLC

8.5" 1:7 5.56 Stainless Steel M4 Pistol Barrel

Juggernaut Tactical AR-15 5.56 Stainless Midlength Fluted Barrel 16" 1:8 Twist

Toolcraft Lightweight .223/5.56 BCG (Bolt Carrier Group) - TiN

Rubber City Armory Enhanced AR-15 Firing Pin

Rubber City Armory Lightweight AR-15 Titanium BCG w/ Adjustable Gas Key

Rubber City Armory Low Mass Competition AR-15 BCG w/ Adjustable Gas Key

20" 5.56 Lightweight Contour 1:9 Rifle Length Barrel w/ FSB Phosphate

NBS AR-15 Assembled Upper Receiver

Premium Series 10.5" 5.56 NATO 1:7 Black Nitride Carbine Length Barrel