02-21-2015, 04:32 PM
Wonk Wrote:Does anyone have opinions/experience with the CMT Tactical UPUR-4 billet upper? How much will I regret NOT having a shell deflector? I don't see the need for the forward assist on the rifle I'm building but I am new at this.
No experience with the CMT upper but I do have a slick side billet upper on my 18 inch Grendel. I like it a lot. The empty cases don't have dented necks and ejection pattern is about 4 o'clock. I have a mid length gas system with a Syrac adjustable gas block.

