Heat-Treated, Then Polished For A Clean, Crisp Trigger Pull
Machined to precise dimensions, then hardened for long-lasting service with the slide notch and sear spring engagement surfaces polished for smooth, reliable function and a much improved trigger pull. No lightening cuts to guarantee maximum strength for hard-running service and competition pistols. Gunsmith installation recommended.
1911, Issue:11, Page:020
Big Book Catalog, Issue:68, Page:119
New Product Supplement, Issue:621, Page:008
Sinclair, Issue:1A, Page:018