View Full Version : MSAR E4 Muzzle Threads

June 25, 2015, 22:17
I hear MSAR put 2 different muzzle threads on the E4 model. 13x1LH and standard AR thread 5/8x24RH. I want to change the muzzle brake on my E4. It is tack welded in place for legal length and I want to get the proper flash hider before I remove the muzzle brake. Is there a way to tell which mine is before having it removed. My serial number is in the 7100 range.

June 27, 2015, 22:39
Got the answers I needed.