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    Mossberg MMR Hunter Tactical AR15 5.56 .223 Troubleshooting

    Re: Mossberg MMR Hunter Tactical AR15 5.56 .223 Troubleshoot I just bought a Mossberg MMR and I've noticed that the casings get hung up on the edge of the stock 30-round magazine when I use Monarch .223 ammunition. They're cheap rounds, but I'm still a novice with rifles and I've only used it...
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