P.O. Ackley all ways talked about "Overbore" when he developed his Ackley Improved versions.
“Overbore” — A Practical Definition by the Numbers
“Overbore” — A Practical Definition by the Numbers
A follow up question is where can you find or who makes a good quality nylon brush? I very rarely use cleaning agents on my weapons and prefer to “clean” using oil.
Outstanding selection thanks.Take a look at what Brownells has. They have a wide & great variety of stuff.