ArticlesScattered ShotsShutter Shots A4 & M4 By Howard - February 13, 2015 0 157 Facebook Twitter Pinterest WhatsApp Similar Length, Similar Weight. Colt AR15A4 with a KAC M5 RAS and a Trijicon TA31RCO-A4. M4A1 SOCOM barreled carbine with a KAC M4 RAS, Surefire 762 SOCOM Mini, and a Trijicon TA31RCO-M4. Share this:TwitterFacebookLike this:Like Loading...