Aim Sports PJGBJ Gas Block Jig AR-15 6061 Aluminum Black

For use when pinning gas block and gas tube assemblies together. Works with most Gas Blocks. Made of 6061 Anodized Aluminum with wide base for stability. Works with most gas blocks including BCM, Rainier, VLTOR, Zero Hour. You can drive pins in from left or right and through hole to drive pins out.