ISMI

Product Details If your pistol is more than 15 years old, you might want to consider replacing this often forgotten spring to ensure your magazine remains in your gun while firing. All ISMI Springs...

Product Details Available in 17lb or 19lb. 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...

Product Details Available in 17lb or 19lb. 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...

Product Details This spring is intended to be used with 5" Government Model 1911s and 6" 1911s with our 6" Reverse Plugs / Spring Plugs. Not recommended for use with Commander Models without...

Product Details ISMI Premium Extra Power Firing Pin Spring prevents the firing pin from striking the primer when the slide is closed. The heavier spring keeps the firing pin stop from dropping out...

Product Details This spring is made specifically for Officer's model guns.All ISMI Springs are made from silicone chrome instead of 150 year old music wire.Every ISMI spring is heat treated, shot...