Genuine Glock OEM firing pin channel liner with the matched install tool included. The channel liner is the small plastic sleeve that lines the rear of the slide’s firing-pin channel — it keeps the firing pin centered and dampens its travel. After enough rounds (or after a hot ultrasonic / solvent bath) the liner can swell, crack, or back out, causing light strikes or a gritty trigger reset.
Specs & features:
The channel liner is consumed by removal — once driven out, it cannot be re-seated. Always replace with a fresh liner rather than reusing the old one. Use the included tool to press the new liner straight in until it bottoms out flush; do not hammer.
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