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Manufactured from Chrome Silicon alloy these springs are designed to take less initial “set” to enable a more stable load and increased service life
ISMI rods are machined from stainless steel and utilize a button head screw to retain the spring when the assembly is out of the pistol
ISMI rod is non captured with a Black Oxide finish
Designed for use with ISMI G17 flatwire springs
Glock 17/22 Plus 4 Magazine Spring Hellcat Manufactured from Chrome Silicon alloyManufactured of Chrome Silicon alloy. These mag springs are designed to take less initial set in order to provide greater load and longevity to ensure reliable ammo feeding. This 12coil mag spring is for use in most plus 4 extension base pads 140mm length magazines. Part#: GL3