the Palmetto State Armory 5.56 Premium Full Auto Bolt Carrier Group is a great pick. Compatible with both NATO 5.56 and .300 AAC Blackout rounds, this American Made BCG has been HPT and MPI tested to make sure you’re getting only the best product on your AR-15 set-up. ...
With the .300 Blackout, it was envisioned that special operations soldiers can equip themselves with a 6 to 9-inch barrel with a standard M4 receiver, bolt, and magazines, similar to the standard issue 5.56 caliber guns. They just need to replace the barrels, at which point, soldiers would...
This upper does not come with a bolt carrier group or charging handle. If you're in the market for a BCG, you can't go wrong with BCM Mil-Spec BCG. I run this on nearly all of my AR-15s. You can also check out our guide to thebest charging handles. ...
The upper and lower receivers are precision machined from 7075 billet aluminum, and house a premium bolt carrier group featuring a quick-cleaning black nitride finish. All exterior metal parts are Cerakote finished for superior durability and corrosion resistance. There will be options for black, FDE...
BCG (Bolt Carrier Group) The most common type ofbolt carrier groupmaterial for an AR-15 is carbon steel. However, there are three different types of carbon steel for you to consider as well: 8620, 9310, and carpenter 158 steel.
Bolt Carrier Group The AR-15 bolt carrier group (BCG) is the heart of your rifle. It is the primary component responsible for making your weapon function in the first place. The gas key, bolt, extractor, and firing pin are all part of this assembly. ...
Bolt Carrier Group The AR-15 bolt carrier group (BCG) is the heart (or engine) of your rifle and the key component responsible for making your rifle work in the first place. It consists of the gas key, bolt, extractor, and firing pin. Also, it contains the other supporting pieces and...
It includes the metal housing, barrel, handguard, ejection port, forward assist, rail system, bolt carrier group, etc. Combining a complete upper receiver of an AR-15 with a complete lower receiver can create a fully functional rifle ready to go. The upper receiver is arguably the most ...