View Single Post
Old March 5th, 2012, 13:58   #11
JonsM4's Avatar
Join Date: Aug 2009
Location: What's my 20?
Originally Posted by 89db View Post
I have a STS M100 with Tightborre 247mm and ARS hopup rubber in my Velocity arms V4A1 and I am at 359 to 362fps with .2g. I highly recommend you to go with a M90. Better be on the safe than on the limit, and 320 fps is a good range to be in at CQB.
+1 Less strain on the internals as well which equals longer life.
King Arms M4A1 Colt : ICS M4 C-15 : KJW G23
JonsM4 is offline   Reply With Quote