I'm wanting to buy a couple more AR 15 bolt carrier groups ,, just to have on hand and take advantage of some fathers day pricing ,, would you go with
Nickel Boron BBC with Carpenter 158 steel bolt or
Full Auto Profile Phosphate Coated Bolt carrier group or
Nitride MPI Full-Auto Bolt Carrier Group >> 9310 steel bolt
or some thing else
these are on
Nickel Boron BBC with Carpenter 158 steel bolt or
Full Auto Profile Phosphate Coated Bolt carrier group or
Nitride MPI Full-Auto Bolt Carrier Group >> 9310 steel bolt
or some thing else
these are on