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sig magpul prs

  1. installing magpul prs on sig 716 patrol

    SIG Sauer Rifles
    i've seen this question asked a few times and the common response is in addition to the magpul prs stock to get a full length rifle tube, 308 buffer and 308 buffer spring from brownells or midway. sounds simple but it wont cycle. i believe the bolt carrier on the sig 716 is longer than that of a...