Thread: Anyone use Copper plated Berry's 150 gr. in an AR 300 Whisper?
View Single Post
  #3  
Old 07-16-2010, 01:16 PM
madscientist madscientist is offline
Junior Member
  
Join Date: Jan 2009
Posts: 12
My M1S barrel was ok w/ AA1680 but I also have cycle problems.
Pmag was OK but the bullet would hang on my feed ramp.
Haven't dremeled the feed ramps yet.

Has anyone else experimented with these? I love them for my 308 subsonics in the bolt rifle.
Reply With Quote