Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

Helps Eliminate Gas Cylinder Movement For Improved Accuracy

Stainless steel gas cylinder shims align the barrel and gas cylinder ports when accuracy-tuning the rifle. Install one or more shims to get a tight fit and to eliminate front/rear cylinder play.

Big Book Catalog, Issue:67, Page:166

SPECS: Stainless steel. Set contains one each of .005", .010", and .015" thickness.