Quote Originally Posted by MechanicalSparky25 View Post
What've you been browsing here for 10 years and not come across this ?

Ar15 mag has to be pinned to 5. Doesnt matter if it's a bolt action.
Nope. Never Xd my mind. Didn’t know. Thanks. Just got an AR in January. And didn’t know of the mechanically thingy till last year.

Anyhow. Thanks that ended that.