Ok i just got a new in box lmt mrp piston rifle with 16in barrel. I installed my ready-mag and phase 5 tactical EBRvs2 from my colt 6920. Went shooting today and all 12 of my GI mags failed to lock back the bolt on the last shot but my 2 P-mags would lock the bolt just fine. I did a search on this sight and on the web seems others have had this problem. Has anybody been able to resolve this problem? I have heard about the weight of the EBR being the issue what gets me is the P-mags work fine and when I maunuly work the bolt it locks back on the GI mags.
btw the other mags ar Bravo company,D&H Industries & the LMT mag.
thanks for any help or suggestions.
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