Pros & Cons of a full weight bolt carrier group in an AR
The top BCG is a full auto as compared to the “neutered” BCG at the bottom. Notice the difference in the rear. The weight of a Bolt Carrier Group, or…
RangeHot - Expert Firearms Reviews & Guides
The Internet Gun Review Magazine
The top BCG is a full auto as compared to the “neutered” BCG at the bottom. Notice the difference in the rear. The weight of a Bolt Carrier Group, or…