View Single Post
Old September 3, 2012, 11:18 PM   #42
Metal god
Senior Member
Join Date: April 10, 2012
Location: San Diego CA
Posts: 3,803
That notch in the barrel is so you can attach a grenade launcher to it . I believe it's a Mil-spec barrel or the same type of barrel thats on the military issued rifles .
Metal god is offline  
Page generated in 0.04031 seconds with 7 queries