Add to Cart Quick view Diamondhead Front & Rear Integrated Sighting System (ISS) Flip-Up Sight Set Diamondhead MSRP: $238.00 Now: $199.99 Was: Diamondhead Front & Rear ISS Flip-Up Sight Set DIAMOND Combat Rear Sight: Diamondhead’s Diamond Rear Sight’s revolutionary design incorporates the original, patented Diamond-shaped... MSRP: $238.00 Now: $199.99 Was: Add to Cart Quick view