17/22/24/31/34/35/17L GEN 1-3
FEATURES-For Glock 17, 22, 24, 31, 34, 35, 17L Gen 1, 2 & 3-Precision machined with high quality stainless steel-Unique fluting holds lubrication & traps fouling-Less surface area means less friction, which equals faster, smoother cycling times-The added weight helps with muzzle flip & also lets you change your spring to fit your shooting situation orjust to replace wore out ones-All rods come with factory suggested spring weights & are fitted with ISMI springs-Guide rods are oil injected, self-lubricating for about 1500 rounds