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recoil spring question

Discussion in 'Black Rifle Forum' started by geodan, Dec 19, 2012.

  1. geodan


    Aug 4, 2007
    Hi everybody, can anyone help with a question?---I have an A2 buttstock assembly that came on a Bushmaster lower mated to an A1 upper set up with a 16" barrel. This was a Clinton Ban compliant rifle from Bushmaster made ~ 1999. Does the recoil spring and buffer need to be changed if I put a mid-length gas system upper receiver assembly on this lower? Thanks---geodan
  2. WoodenPlank

    WoodenPlank Who?

    May 15, 2010
    NW Florida
    No. In a rifle extension, you should stick to a rifle buffer and spring.