Home / AR Upper Components / GEISSELE SUPER GAS BLOCK NITRIDE .750 BLACK View cart “SOLGW 5.56 BOLT CARRIER GROUP 158 CARPENTER SP/HPT/MPI” has been added to your cart. Out of stock GEISSELE SUPER GAS BLOCK NITRIDE .750 BLACK$80.00 Out of stock Want to be notified when this product is back in stock? Notify me UPC: 854014005274 SKU: 05-807N Category: AR Upper Components Product ID: 9865 Related products Out of stock RADIAN RAPTOR SD-SL CHARGE HANDLE AR15/M16 $113.95 Read more SOLGW 5.56 BOLT CARRIER GROUP 158 CARPENTER SP/HPT/MPI $179.00 Add to cart Out of stock SIONICS Gas Tube W/Roll Pin – Melonite – Midlength $16.95 Read more SOLGW GAS TUBE NITRIDE MID LENGTH $19.00 Add to cart