Faster Lock Times For Bolt Action Rifles
Improves striker acceleration and can help correct ignition problems. Made from high quality, heat-treated, round, spring stock. Ends closed and ground for a flat seat. Ratings determined by compressing the spring as it is in the bolt. Installation of custom triggers may change ratings. Factory wt shown in ( ).
Big Book Catalog, Issue:67, Page:185
New Product Supplement, Issue:504, Page:000