USED JMac Customs GBC-13 Gas Block with Detent Hole Black Nitride Adjustable Black GBC-13-W-ADJ EDEMO2 Condition Parts Only/Salvage Defective

USED JMac Customs GBC-13 Gas Block with Detent Hole Black Nitride Adjustable Black GBC-13-W-ADJ EDEMO2 Condition Parts Only/Salvage Defective. Includes Set Screw and Allen Wrench (G)as(B)lock(C)ombo(13) Collab with Sabrewerks13 Without detent hole The intended purpose of these is to adjust the amount of gas going into the system. Once you have achieved the optimal amount of gas we recommend using rockset or loktite to maintain the position. Specifications for JMac Customs GBC-13 Gas Block w/ Detent Hole - Adjustable: Manufacturer: JMac Customs Color: Black Gun Make: Kalashnikov Fabric/Material: 4140 heat treated steel Condition: Used Condition Quality: Parts Only/Salvage Condition Details: Defective Last Chance: Yes Features of JMac Customs GBC-13 Gas Block w/ Detent Hole - Adjustable Adjustable Gas block to replace or upgrade 90 Gas Blocks perfect for 14.5'' pin/weld or SBR/Pistol Package Contents: JMac Customs GBC-13 Gas Block w/ Detent Hole - Adjustable JMac Customs GBC-13-W-ADJ: GBC-13 Gas Block with Detent Hole Black Nitride Adjustable Black Condition Fair Defective