receiver set

  1. P

    WTB AR 15 lower

    Looking to buy a couple AR-15 lowers. 100% or 80% lower receivers. Brand/manufacturer unimportant. Stripped or complete. Forged or Billet. Looking for fair price. FTF. Will sign BOS. Please let me know what you have available. Thanks.
  2. F

    AR-15: problem installing a bolt catch

    Decided to finally start building my first AR-15. Got the parts, found a good video and in no time at all ran into my first snag. I have and FDR-15 receiver set from F-1 Firearms. There is already a pin inserted where I place the bolt catch. It appears to be threaded and so screwed in. I can't...
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