Mercury Filled, Controls Recoil, Increases Comfort
Mercury filled tube and cap replace the forearm cap nut; provide increased recoil reduction and more weight on the forend for a smoother swing and follow through. No alterations to the shotgun required.
Big Book Catalog, Issue:65, Page:424
New Product Supplement, Issue:581, Page:005
SPECS: Steel, blue, matte finish. 3¼" (8.2cm) long, .872" (22mm) diameter, 10.6 oz. (300 g) wt.