Improves Function & Reliability
High-tensile strength, precision-made, carbon steel springs from Wolff help you achieve reliable cycling and top performance from both hunting and competition shotguns. Replace weakened springs for better performance or use as part of a custom project for ultimate reliability. Provides 20% extra power (XP) over factory original magazine spring. Measures 40" long and will fit all 3- to 5-round factory magazine tubes.
Big Book Catalog, Issue:65, Page:191
New Product Supplement, Issue:583, Page:008
SPECS: High-tensile, heat-treated spring steel. Gunsmith fitting required for some springs as indicated.