Home CMMG Installation | MK III Hand Guards

Installation | MK III Hand Guards

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In this video, we show how to install one of MK III Hand Guards on your rifle.

MK III Hand Guards:

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17 COMMENTS

  1. Ive been looking for a handguard with out the integral rails for my latest 308 build. I really loved the look of this one, but after seeing the way it mounts. Ive kind of lost interest. JP makes great products and Im a big fan. Just not a fan of the way this mounts. I guess my search for a handguard continues

  2. Wouldnt you put anti-seize on the barrel retaining nut threads and not the outside? I believe the instructions say to put it on the threads. After hand tight, also supposed to let it set 24 hours so the red loctite sets up.

  3. My boy Dustin did a more professional version of this than the one did a couple of years ago haha – only thing that I do different is that I tighten the jam nut locking screws in a cross pattern to maintain consistent pressure all the way around. It makes keeping the barrel centered in the guard much easier.

  4. I know most/all their uppers receivers are thermo fit just as BCM receivers how would this work with them…… I’m interested in running your handguard with my BCM upper….. and is in best to slow the locktite to set over night prior to installing the barrel?

  5. I’ve always been intrigued by this rail. The rigidity of it specifically. Question: wouldnt it be better to put a piece of top rail on, and then use a one piece scope mount to bridge the gap between the upper and the handguard in order to align the rail, versus eyeballing it?

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