02-04-2012, 09:36 PM
If I remember right from the old forum, Bill A. had said that when he was doing the testing for the Grendel, he had found the 18" barrel to be the most accurate.
Hopefully, at some point, he'll be able to jump in and explain it himself.
Lee
Hopefully, at some point, he'll be able to jump in and explain it himself.
Lee
