Bolt Carrier Groups

One of the greatest aspects of the AR platform is the ability for anyone to build an entire firearm from scratch with very few specialty tools needed. In fact, many come into the shop at Fighting Sheep Dog and do just that!

There are a few parts that are easier to buy pre-assembled than to build. The bolt carrier group is one of them. But it need not be an intimidating process to assemble one!

Today, we’re breaking down the 5.56 Bolt Carrier Group – what’s in it, full auto vs semi, low mass options, the various coatings and processes, and more! Continue reading