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Anyone who has spent time inside a Glock frame knows the factory pins get the job done, but they are not much to look at and can be fiddly to line up. Cross Armory's CRG4PSBK 4-pin set gives you a cleaner, tougher alternative that drops right in on Gen4 models. Each pin is machined from 4140 ordnance steel rather than cast, so you get consistent tolerances and a part that holds up shot after shot. A surface treatment adds corrosion resistance and a slick black finish that ties the frame together nicely.
The standout here is the dimpled geometry. Those recesses do more than look good. They give your punch a positive place to sit during install, which cuts down on slipping and speeds up the whole job of driving pins in and out. If you have ever chased a factory pin across the bench, you will appreciate the difference. The set sits flush and does not stick out, so it plays well with any holster you already run.
This is a complete four-piece set built specifically for Gen4 frames, including models that use the longer backstrap trigger housing pin. It fits a big chunk of the Gen4 lineup: the 17, 19, 20, 21, 22, 23, 26, 27, 29, 30, 31, 32, 33, 34, 35, 40, and 41. A typical Glock pin group includes the trigger pin, the locking block pin, and the trigger housing pin, and this set is dimensioned to swap in as a direct replacement for those factory parts.
Installation is straightforward if you have done any basic Glock work. Field strip the pistol, drive the pins out one at a time with a proper punch, and set the new ones in the same order and direction they came out. Most folks who are comfortable working on their frame can knock this out in well under fifteen minutes. If you have never been past a field strip, it is a good first project, but take your time and keep the small parts organized. A quality punch and a stable work surface make all the difference.
It is built for Gen4 frames and covers a wide range including the 17, 19, 20, 21, 22, 23, 26, 27, 29, 30, 31, 32, 33, 34, 35, 40, and 41. The set also accounts for Gen4 models that use the longer backstrap trigger housing pin. Double-check that your pistol is a Gen4 before ordering, since Gen5 frames use a different pin layout.
The dimples give your punch a positive spot to rest against when driving the pins in and out, so the tool is less likely to slip. That makes the install quicker and cleaner than wrestling with plain factory pins. It also gives the finished frame a nice custom look.
They are machined from 4140 ordnance steel rather than cast, which gives you tight tolerances and solid strength. A surface treatment adds corrosion resistance on top of the black finish. For a set of replacement pins, this is a step up from the stock polymer and standard steel parts.
Yes, for most people this is a beginner-friendly project. Field strip the pistol, use a proper punch to drive out the old pins one at a time, then set the new ones in the same order and direction. Keep your small parts organized and work on a stable surface, and you can usually finish in under fifteen minutes.
| UPC | 726798348611 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | CRG4PSBK |
| Model |
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