bingbingHere’s a Brand New in Package PRI Flip-Up Front Sight Gas Block (0.750”) w/Set Screws. Perfect for your MK12 build. What you see is what you get. See pics for details. Asking price is shipped and insured (Or best offer). Paypal F&F (no comments/notes) or Venmo payment. Message with questions (not comment because it could get missed). First come first serve. Payment must be received within 4 hours or the next guy gets a shot unless other arrangements made. Once item has been received i'll consider the transaction closed after communication or 24 hours, which ever comes first.
