How are they compared to POF, LWRC and PWS system? Any inputs?
Good review on it here.
http://www.defensereview.com/lmt-mrp-pistonop-rod-system-vs-hk416-2000-round-head-to-head-test/
Little over 2K rounds on mine and no issues…I know it’s not a ton, but I like it. Ran a Pat Roger’s class with it and it was great.