C&C Magazine Gas Injection / Fill Inject Valve FKM O-Ring ( Pack of 10 ) ( Anti-Freeze ) Forward Assist Width of sight only (in/mm):

Width of sight only (in/mm): 1

- 22Rds Loading Capacity Metal Gas Magazine

- CNC Steel Constructed Bolt

- Material: CNC Steel with Durable DLC Coating

C&C Magazine Gas Injection / Fill Inject Valve FKM O-Ring ( Pack of 10 ) ( Anti-Freeze ) Forward Assist Width of sight only (in/mm):Specifically for the gas fill inject valve, this high quality O ring set ensures an improved seal for consistent performance. Precision Fit: Specifically engineered for M4. 5 diameter gas injection valves. Material Durability: Features FKM (Fluorocarbon) O rings for superior chemical resistance and longevity for reliable sealing under pressure. Compatibility For Gas Fill Inject Valve Package Included: 4 x 1mm FKM O Ring Pack of 10