AR-15 Gas Block Dimple Tool | Guide Screw and Marking Pin
Simple and easy to use AR-15 gas block dimple tool. Works with any gas block that uses a 10-32 set screw. We feel that placing a dimple on your barrel is essential in making sure your gas block does not move.
When your gas block is aligned properly, use the screw provided to hold the gas block in place. At this point you can use the marking pin to locate the hole, or simply run a 1/8" drill bit through the center of the screw to make your dimple.
1-Set screw, 10-32, with center hole
1- Marking Pin