⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
The Briley Magazine Extension to barrel clamp is fully machined from 6061 Aluminum and anodized black. It is designed specifically for our diameter extensions and is not guaranteed on other manufacturers' extensions. The barrel side of the clamp should be compatible with most auto barrels.