Hardened, steel sear with polished engagement surface enhances the adjustment capability of the original M77 trigger on rifles equipped with a tang safety. Produces a crisp, ultra-smooth, trigger pull that can be adjusted from 14 oz. to 2 lb. Simple, “drop-in and shoot” design saves time and effort. Does not fit 77 MKII rifles.
Big Book Catalog, Issue:67, Page:164
New Product Supplement, Issue:572, Page:009
Sinclair, Issue:4B, Page:255
SPECS: A-2 tool steel, matte blue finish. Rc 50-55.