Home / AR Upper Components / GEISSELE SUPER GAS BLOCK NITRIDE .750 BLACK View cart “LBE Unlimited ARFPN – Firing Pin” 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 SIONICS Gas Tube W/Roll Pin – Melonite – Midlength $16.95 Read more SOLGW 5.56 BOLT CARRIER GROUP 158 CARPENTER SP/HPT/MPI $179.00 Add to cart RADIAN RAPTOR-SD AR15/M16 GAS VENTED CHARGE HANDLE $124.94 – $129.95 Select options SPRINCO M4/AR-15 EXTRA POWER EXTRACTOR SPRING 5 COIL, CRYOGENIC PROCESSED $3.95 Add to cart