Shop › FORTIS TAKEDOWN PIN NITRIDE FORTIS TAKEDOWN PIN NITRIDE $21.80 Fortis Manufacturing, Inc. Takedown Pin Set, Fits AR-15, Nitride Finish, Black Color PINS-TDPIV-BLK Quantity: Add To Cart Added! Fortis Manufacturing, Inc. Takedown Pin Set, Fits AR-15, Nitride Finish, Black Color PINS-TDPIV-BLK