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m27 dm

  1. HK416 and HK417 HQ
    I’ve searched but can’t find the answer. Someone on here MUST know. Also, what is the size of the gas port on the barrel? Do any use an AGB? I read where some rifles are being designated for DM with the old Leupold scope that was on the Mk12. I think I also read where these rifles will get...
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