Integrated Systems Management Inc. (ISMI) Chrome Silicon Recoil Springs are wound from flat wire, heat treated, shot peened and stress relieved for maximum durability making them the best direct replacement for Glock factory OEM springs available.

• Certified Aerospace Specification Materials
• ISO 9002 Quality Control Standards
• All Springs are Heat Treated, Shot Peened & Stress Relieved
• Proprietary Design Features Enhanced Durability
• Fits Full Size Glock models: G17,17L,22,24,31,34,35,37,20,21

NOTE: The stock full size Glock recoil spring weight is 17lbs


Brand Integrated Systems Management Inc.

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