Spike's Tactical Nickel Boron Bolt Carrier Group HPT/MPI M16 BCG 5.56 ST5BG03

Product Features & Specifications

Spikes ST5BG03 Bolt Carrier Group 223 Rem,5.56x45mm NATO Nickel Boron Steel AR-15, M16 Full Auto

Spikes Tactical Complete Phosphate M-16 BCG features phosphate coating inside and out (bolt, carrier and gas key), laser engraved with ST spider logo, mil spec carrier and full auto M-16.Includes Mil-Spec Extractor, Mil-Spec Gas Key, Firing Pin, Cam Pin and Retaining Pin.

Now you can get a proven Spike's Tactical M16 BCG Coated in Nickel Boron! If you're looking for the finest BCG on the market today, search no more! This is the same Mil-Spec BCG that we sell but the only difference is that it's coated in Nickel Boron. And yes, it's High Pressure Tested and Magnetic Particle Inspected (HPT/MPI) Nickel Boron has proven itself to be the most durable finish on the market.

It's much smoother than Hard Chrome, it's easier to clean, makes the rifle cycle smoother, it can be run almost lube free for thousands of rounds, and it will never chip, peal, or flake off! Because of these benefits, Nickel Boron is being adopted by the Military as well as many Government agencies. As you can see, these BCGs are a huge improvement over a standard Phosphate BCG and it's even an improvement over Hard Chrome. Upgrade to a better BCG today. You won't be sorry! BCG works in AR-15s.