The Gas Block Genie is a must-have tool for easily assembling your AR platform rifle. Gas Block Genie allows you to install your gas block to the perfect depth and angle on the first shot!
It's reusable, comes with instructions and FREE SHIPPING! All you'll need is a very fine point marker or scribe.
Standard size Gas Block Genie. Fits all .625" barrels. Other barrel sizes coming soon. Patent pending, made in USA.
Check out the installation page.