Thread: 300BLK AR Piston Pistol
View Single Post
  #3  
Old 12-14-2010, 09:22 PM
N310toN170 N310toN170 is offline
Senior Member
  
Join Date: Jan 2010
Posts: 118
Maybe starting with this as a base:

http://www.sigsauer.com/upFiles/cata...l-detail-R.jpg
Reply With Quote