Premium Quality For Competition Pistols
Made from premium-quality, drawn and tempered, chrome silicon wire or high-carbon steel for the very best in performance and durability. Fully tested and guaranteed to perform. Progressively wound to slow the slide gradually for less chance of frame damage and returns the slide quicker when faster cycling is needed. Government length only.
1911, Issue:11, Page:032
Big Book Catalog, Issue:71, Page:127
Sinclair, Issue:1A, Page:030