Originally Posted by
LMT/556
What specific issues were experienced with the KMR, and did they in your opinion affect accuracy potential or was it a rough use/durability thing? I can explore deflection of various systems, Centurion C4 and PRI vs this KMR. The PRI 16 is likely my most accurate upper but I don't have much time with the newest build.
With the KMR, I would move the end of the barrel one direction and move the end of the rail in the opposite direction. The rail would not pop back to concentric with the barrel.
I could do this with pressure just from squeezing my hand on these two parts.
I can do this with most brands of rails that pinch a short barrel nut.
"Not every thing on Earth requires an aftermarket upgrade." demigod/markm
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