The .936 dia gas block with adjustable porting for those large diameter barrels. The adjustment porting allows the shooting the ability to fine tune the rifle cycling.
This 936 adjustable gas block is constructed of high strength steel with a black parkerized finish. The 936 diameter requires a 15.495" Straight gas tube which is included. The width of the gas block is 1.15" length 1.0" Height from bore centerline to top of block is .945". The distance between bore center line and gas tube center line is .780". THE INCREASED HEIGHT DOESN'T ALLOW IT IT TO SIT UNDER MOST HAND GUARDS. Works with AR10 length gas systems. The overall length of the straight gas tube is 15.495"