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If you've dropped lighter springs into a Smith & Wesson revolver and started chasing light primer strikes, this is the fix people reach for. The Apex Revolver Firing Pin Kit combines a longer-than-factory firing pin with a reduced-power return spring, and together they make sure the primer gets a solid, consistent hit even when your action has been lightened up. Factory pins often run on the short side, and once you back off the strain screw or swap in a reduced-power mainspring, that short pin can leave you with duds. The extended Apex pin makes up that lost reach so ignition stays honest.
The magic here is the length. Where a stock S&W pin can measure in the .480 to .490 range, the Apex pin runs longer, giving you more reach to the primer and a little extra travel thanks to the cutout design. That extra reach is exactly what lets a tuned revolver run a lighter double-action pull without sacrificing reliability. The reduced-power return spring included in the kit works alongside the pin to reduce drag on the strike. It's the same firing pin Apex builds into their centerfire revolver hammer kits, so it's a proven piece.
This kit works with modern J-, K-, L-, and N-frame Smith & Wesson revolvers that use a frame-mounted firing pin. It is built for centerfire guns and is not intended for rimfire models. Installation is about as simple as revolver work gets. Once the sideplate is off, most folks have the pin and spring swapped in a couple of minutes with a proper screwdriver, and Apex has good tutorials online if it's your first time inside the frame. A quick function check with snap caps afterward and you're set.
Made from stainless steel, the pin holds up to hard use across duty, carry, and competition roles. If you run a lightly tuned wheel gun and want it to go bang every single time, this is the small part that earns its keep.
It works with modern Smith & Wesson J-, K-, L-, and N-frame revolvers that use a frame-mounted firing pin. It is designed for centerfire models and is not intended for rimfire revolvers. If your S&W has the internal frame-mounted pin rather than an older hammer-mounted style, you're good to go.
For most tuned revolvers, yes. The pin is longer than a factory pin, so it reaches the primer better once you've lightened the action with reduced-power springs or a backed-off strain screw. Very problematic guns or extremely light springs may still need an even longer pin from another maker, but for the majority of setups this kit brings ignition back to reliable.
It's a drop-in job once the sideplate is off, and most people finish the swap in a few minutes with a proper screwdriver. Apex has installation videos online that walk you through it step by step. If you're not comfortable removing the sideplate, a gunsmith can knock it out quickly.
Yes. The extended pin works fine on a stock mainspring and simply adds a reliability margin. Its real advantage shows up when you lighten the action, since the extra reach lets you run a lighter double-action pull while still lighting every primer.
| UPC | 854263007685 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 108-011 |
| Model | |
| Product Type | Firing Pin |
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