SHOP 1911 / 2011 SPRINGS

1911 & 2011 Main/ Hammer Spring by ISMI

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1911 & 2011 Chrome Silicon Recoil Spring by ISMI

MSRP: $7.95

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1911 Commander Flatwire Chrome Silicon Recoil Springs by ISMI

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2011 / STI / SVI - 140mm - 11-Coil Magazine Springs by ISMI

MSRP: $10.25

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Now: $9.95

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ISMI 1911 Mag Catch Spring

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2011 / STI / SVI - 170mm - 13-Coil Magazine Springs by ISMI

MSRP: $10.25

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1911 / 2011 Firing Pin Chrome Silicon Spring by ISMI

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1911 Single Stack 10 Round Magazine Springs .45 - Chrome Silicon

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1911 & 2011 Main/ Hammer Spring by ISMI

1911 & 2011 Main/ Hammer Spring by ISMI CAD designed and built to Aerospace specifications from chrome silicon, corrosion resistant, stainless steel or chrome vanadium for maximum durability, consistency and reliable performance. Built to aerospace...

MSRP: $6.25

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Now: $5.99

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1911 & 2011 Chrome Silicon Recoil Spring by ISMI

1911 & 2011 Chrome Silicon Recoil Spring by ISMI Replacement recoil springs for Government size 1911 pistols. Constructed of chrome silicon alloy. Important Warning: Modification to your firearm may nullify the manufacturers warranty. This...

MSRP: $7.95

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1911 Commander Flatwire Chrome Silicon Recoil Springs by ISMI

1911 Commander Flat Wire Chrome Silicon Recoil Springs by ISMI Manufactured from Chrome Silicon alloy to maximize spring longevity and load. These springs offer the ability to replace worn out factory parts, tune sight movement, or tune the pistol for a...

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2011 / STI / SVI - 140mm - 11-Coil Magazine Springs by ISMI

2011 / STI / SVI - 140mm - 11-Coil Magazine Springs by ISMI 11 coil spring for use in STI/SVI magazines up to 140mm length. Important Warning: Modification to your firearm may nullify the manufacturers warranty. This product must be installed by a...

MSRP: $10.25

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Now: $9.95

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ISMI 1911 Mag Catch Spring

ISMI 1911 Mag Catch Spring All ISMI Springs are made from silicone chrome instead of 150 year old music wire. Every ISMI spring is heat treated, shot peened & stress relieved to enhance durability, consistency and reliability.ISMI is a contractor of...

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2011 / STI / SVI - 170mm - 13-Coil Magazine Springs by ISMI

2011 / STI / SVI - 170mm - 13-Coil Magazine Springs by ISMI 13 coil spring for use in STI/SVI magazines up to 170mm length. Important Warning: Modification to your firearm may nullify the manufacturers warranty. This product must be installed by a...

MSRP: $10.25

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Now: $9.95

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1911 / 2011 Firing Pin Chrome Silicon Spring by ISMI

1911 / 2011 Firing Pin Chrome Silicon Spring by ISMI Manufactured from Chrome Silicon wire. Offered in two separate spring rates to allow for tuning, both are considered heavier than factory to ensure the firing pin stop from falling out.

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1911 Single Stack 10 Round Magazine Springs .45 - Chrome Silicon

1911 Single Stack 10 Round Magazine Springs .45 - Chrome Silicon ISMI magazine springs are wound from certified aerospace specification chrome silicon alloy. Post winding procession includes heat treat/stress relieve. Important...

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