Extra Length For Ultra Mag & .404-Based Cartridges
Precision stamped, stainless steel magazine box feeds rounds from the center to correct feeding problems. .300" additional length provides the required clearance for extra long rounds. Extended box has plenty of room for the popular .300 and .338 Ultra Mag and other calibers based on the .404 Jeffery case. Fits 700 ADL and BDL, requires modification to stock, receiver and bottom metal.
Big Book Catalog, Issue:65, Page:171
New Product Supplement, Issue:565, Page:016
SPECS: ADL - 2 rounds, BDL - 2 rounds. Includes flatmetal follower.