ISMI – 18 Pound 1911 Government Recoil Spring – Stainless Steel

ISMI – 18 Pound 1911 Government Recoil Spring – Stainless Alloy

ISMI Springs are designed for maximum consistency and reliability.  American made and CAD designed and built to aerospace specifications from Chrome Silicon wire for maximum durability, consistency and reliable performance.  Heat treated, shot peened and fully stress relieved to minimize spring set.

For those duty/carry conditions that require use in extreme environmental conditions, this 18 Pound spring is made from a stainless alloy.  This spring is also passivated and winding to improve corrosion resistance.  This spring will easily pass a MilSpec 96 hour salt spray test.

12 Month Replacement Warranty

All ISMI springs are covered by a 12 month replacement warranty. Even for failure due to wear.