Mercury-Filled, Controls Recoil, Increases Comfort
Smaller diameter, sealed, mercury-filled cylinder can be inletted into rifle forearms. Combine with Standard 4" unit in the buttstock to tame recoil on magnum rifles and help keep the rifle “balanced”.
Big Book Catalog, Issue:65, Page:424
New Product Supplement, Issue:581, Page:005
SPECS: 5" (12.7mm) long, .574" (14.5mm) diameter. 8 oz. (227 g). Installation requires alteration to forearm.