I am a little confused on what makes a barrel HBAR. Is there a certain profile or diameter that has to be met? Is it possible to have too heavy of a barrel? When I build an upper do I decide if the barrel is a HBAR or not?
I am building an AR-15 in .223 Wylde. I know the differences in full auto and semi auto BCG. Other than weight and the advantages of a Nickel Boron coating, is there really any difference in a BCG? I want to build an accurate rifle and was wondering if one BCG would help accuracy as opposed to...
If I wanted to purchase a stripped 1911 frame, does the frame have to be on the handgun roster? Also do I need an HQL to purchase a stripped 1911 frame?