Barrel 10.5” 5.56 Stainless Steel NATO 5.56 with 1/7 twist Gas Block: Lo-Pro, .750, pinned to barrel Barrel Extension w/extended feed ramps Dead Air Flash Hider Upper Receiver Model: Gen 4 precision machined billet receiver...

Otter Creek Labs - OPS/AE Flash Hider, Black Nitride - 1/2×28 TPI Compatible with ops inc 12th model, AEM5 and OCM5. Highly effective flash hider made from H900 heat treated 17-4 steel with a black nitride finish. It features wrench flats...

Otter Creek Labs - M4 Collar, Black Locating collar for M4 spec barrels and ops inc 12th model, AEM5 and OCM5. Made from H900 heat treated 17-4 steel with a black nitride finish.

This .223 Rem load is a great round to train with or to store away. Loaded to a very respectable pressure, this round achieves 3240 FPS out of a 20" test barrel. Frontier(R) Cartridge features Hornady bullets in 223 Rem and 5.56 NATO...

Barnes(R) VOR-TX(R) is precision ammunition loaded with the deadliest bullets on the planet. Barnes, the leader in bullet innovation offers hunters the ultimate in accuracy, terminal performance and handloaded precision in a factory loaded round...

Hornady BLACK(R) ammunition features versatile loads optimized for excellent performance from America's favorite guns. Loaded with legendary Hornady(R) bullets, Hornady BLACK(R) ammunition is designed to fit, feed and function in a variety of platforms...

With a reputation steeped in tradition, Winchester has earned the moniker 'The American Legend' by delivering on their commitment to innovation & excellence in everything Winchester does. Winchester Ammunition, USA, 22LR, 36 Grain, Copper Plated...

Bauer Precision C Clip for a standard AR15 port door rod. 

Bauer Precision 5.56 Firing Pin Standard Firing Pin for all AR15 platform bolt Carriers.  

Bauer Precision 5.56 Firing Pin Retainer  Standard Firing Pin Cotter Key that holds the firing pin in the BCG

Bauer Precision Nitride Cam Pin for a standard 5.56 Bolt and Carrier. 

Bauer Precision 6.5 Grendel MPI Nitride Bolt Assembly  INCLUDES: Bolt Gas Rings Extractor & Spring