Looking at one of these with 6" barrel and integral compensator, But what is the difference and how do you tell 1.) What gun is Model A and
2.)Model B? And what is the difference in the magazines, from my reading it almost seems like the A and B mags will not interchange or work in the "wrong" gun. Is this true and how do you tell a Model B mag from an "A"?
2.)Model B? And what is the difference in the magazines, from my reading it almost seems like the A and B mags will not interchange or work in the "wrong" gun. Is this true and how do you tell a Model B mag from an "A"?