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Practically Shooting

steves

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Posts posted by steves

  1. A mil spec lower is just that.you can buy milspec parts and they will fit. CMMG is mil spec. Now the extention can be mil spec or commercial for the collapsing stock and the plastic buttstock dia. Again the milspec is a stronger design by the way the threads are done where it screws into the lower reciever . Magpul has a discription of both

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