Robarms XCR FAQ post

morning gents, sorry about being a noob here, i have some questions about XCR

first of all, is the 10 round RobinsArms XCR-M 308 Pistol Mag works on normal 18inch barrel XCR-M? is it legal?

secondly, are there different batches for XCR-M? any significant difference on performance and durability?


Thanks :D
 
d_bona@live.com said:
What has been their experience with group sizes. Any mechanical issues?
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Grouping will vary from 1.5 to 3" @100. Those are very rough numbers, and are dependent on ammo choice, optics, and shooter skill. The best I've done is 10 rounds at 100, 1.75". That was my first day out, and haven't been able to repeat. The worst I've done was closer to 17.5", but that was 100 round group, shot in ~70 seconds :).
My mechanical issues were a broken op-rod, and a broken firing pin spring. The rod was bent at 800 rounds, then cracked at 3800 rounds. The gun didn't know it was broken, so I ran another 100 through it like that.
I found a coil broken off the firing pin spring, while cleaning the gun. One coil, and it was trapped in place. It wouldn't have caused any issue.
Current round count is 11200.
 
oh, i just ordered a magpul QD adapter for my magpul ms3 sling...

do you guys do single point or double point sling for XCR-M? is it a little bit too heavy for single point?
 
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