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Every Glock slide has a small plastic tube tucked inside the firing pin channel called the channel liner. It cushions the firing pin spring and spring cups so you don't get metal grinding on metal. It's a wear part, and it needs to come out when a slide gets refinished or reblued, or when the old one gets chewed up and starts causing issues. Trying to yank one out with a wood screw or knock a new one in with a punch and hammer is how slides get scratched and liners get mangled. That's exactly the headache this tool takes off your plate.
This is a two-way tool. To pull an old liner, you thread the tool into it and use the wingnut as a puller, which draws the liner straight out with no tapping or prying involved. To seat a fresh one, you slip the new liner onto the tool and push it down into the channel until it bottoms out at the breech end. The whole point is even, controlled pressure so you're not risking the slide or the delicate spring cups. Folks who've used it call out how clean the process is compared to the old bolt-and-hammer method.
The tool is designed to handle the standard Glock lineup across generations, covering the common frame and slide groups like the 17, 19, 22, 34, 35 and their relatives. It's a staple for anyone building up an aftermarket or refinished slide, and it earns its keep in an armorer's bag where you never know which pistol is going to need attention.
Removing a liner almost always damages the old one because the threads bite into the plastic on the way out, so plan on installing a fresh liner rather than reusing the one you pulled. Liners are cheap and considered a throwaway part, so that's standard practice. The kit ships with clear instructions and a thread protector, and Brownells has a short how-to video floating around if you want to see it in action first.
It removes and installs the firing pin channel liner inside a Glock slide, which is the small plastic tube that protects the firing pin spring and spring cups. You thread the tool into an old liner and use the wingnut to pull it out, then use the tool to press a fresh liner into place. The design keeps you from tapping with a hammer or scratching the slide.
It's built to work across the standard Glock lineup and multiple generations, covering the common slide groups like the 17, 19, 22, 34 and 35. If you're running a mainstream Glock or an aftermarket slide cut for one, it should have you covered. A few subcompact models fall outside the typical range, so double-check your exact slide if it's an unusual one.
Plan on replacing it. The threads bite into the plastic liner as it comes out, which almost always damages it, so removal is essentially a one-way trip. Channel liners are inexpensive and treated as a disposable wear part, which is why the tool ships with a fresh one to install.
The two main reasons are refinishing and wear. If you're getting a slide reblued or refinished, the liner has to come out first, and it should be swapped when it's worn, cracked, or loose enough to cause light primer strikes or feeding quirks. For routine cleaning you can leave it alone and just run a swab up the channel.
| UPC | 050806033153 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 400013 |
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