Monday, July 9, 2012

CMC Trigger: Initial Impressions

If you've been following the YouTube page you've seen the Install Video I did for the CMC single stage competition trigger for AR-15's. I was pretty impressed with how easily it installed into my lower. This past weekend, I finally got some time to go break it in a little, although truthfully I did not get to do as intensive a review as I wanted. Going to my usual shooting ground with unlimited space was not an option, so I had to settle for the local gun club's 100 yard rifle range, where only bench shooting was allowed. I was able to document several magazines of slow paced bag-supported fire at 100, 50, and 25 yards using a non-magnified Aimpoint M2 and Federal XM193 ammo. Just for fun, I did a side by side comparison of the CMC with my other trigger, a Geissele SSA two-stage. I really love the Geissele. I've been using it for over a year and have had nothing but excellent results with it. Lewis over at challenged me to try the CMC and see if it would change my mind.

Drops in as a unit in about 30 seconds
My initial shot surprised me as the trigger pull was lighter than I was expecting. There was absolutely no creep at all, the break was crisp and light, and there was no over-travel. After about 10 shots or so I had the hang of the trigger and got down to business. I like the wider face on the trigger as it gets more finger pad on the trigger and helps me pull straight back. I was pleasantly surprised with the degree of accuracy I was able to achieve after only about 5 minutes shooting the trigger. The CMC trigger functions flawlessly with no slop or wasteful movement, which is just my idea of something that should be on my rifle.

So, in a nutshell, I've designed this unscientific 3 stage comparison test between the CMC and Geissele trigger groups. Part 1 was "Ease of Install" and the CMC wins that hands down. It drops in as a unit and after you punch the hammer and trigger pins into the lower, you are done. The Geissele is not a hard install, but its more tedious as it mirrors the standard USGI trigger 3-piece install. Putting the SSA into a lower takes me about 15 minutes. Part 2 is chronicled HERE with head to head bench shooting using the CMC and Geissele. Results are at the end of the video. I'd like to further the Part 2 test by shooting out to 3 and 400 yards at steel plates, if I can get that lined up in the near future. The final test will be a "Speed" test, probably pitting the two triggers against each other running drills such as the VTAC 1/2 and 1/2 or 1-5 drill. Stay tuned for that in the future. As for now, the CMC gets two thumbs up from me.

Be safe and see you next time.

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