Ultra-light Harris Bipods are lightning quick and quality manufactured with heat treated steel and hard alloys. These adapters allow you to match any Harris Bipod to your favorite firearm. Some of these adapters will require minor stock or fore end inletting for proper fit. Adapter only, see below for fit/application. Bipods sold separately.FeaturesUniversal barrel adapter - Attaches to barrel not stockFits barrels from .550 inch diameter to .812Requires 2 inches of uncluttered barrel for mountingRequires 6 inch or longer barrelHinged mounting bracket allows bipod legs to fold backwardBest application is on single shot pistolsNot recommended for shoulder gunsMounting bipod on rifle barrels may affect accuracyWeight: 3 ounces