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This is the genuine factory recoil spring assembly built to handle the full size P320 platform across multiple power levels. If you run a P320 in .40 S&W, .357 SIG, or .45 ACP, this 16-pound guide rod assembly drops right into your pistol and gets you back to shooting. It's exactly what came out of the box with new full size guns and performs the job springs are supposed to do: managing recoil impulse, controlling slide speed, and keeping the whole system running smoothly.
The assembly combines a steel guide rod with properly rated recoil spring, both pre-assembled and ready to install. Larger calibers like .40 and .45 generate more recoil than 9mm, and this spring rates at 16 pounds to handle those power levels without short-stroking or excessive wear. You get the same level of quality as every other OEM part in your pistol, manufactured to factory specifications so it integrates seamlessly with your gun.
Recoil springs deserve attention after heavy shooting. Once you've put several thousand rounds through your P320, the spring loses some of its snap and no longer controls recoil the way it did from the factory. If your gun starts feeling sluggish or you notice the slide isn't cycling with its usual authority, this is the component to refresh. It's inexpensive insurance against worn internals and keeps your gun running the way SIG engineered it.
No, this is specifically designed for P320 full size models only. Compact, Carry, and Subcompact models use different assemblies with different spring ratings. Check your P320 size before ordering to make sure you get the right part for your gun.
This assembly is rated for the heavier calibers, and 9mm P320s use a different lower spring rate assembly. Using the wrong spring rate can cause cycling issues or premature wear, so make sure you're matching the assembly to your specific caliber.
Springs wear out with use and should be replaced after several thousand rounds of shooting. If your P320 feels sluggish or the slide isn't cycling with its normal snap, that's a sign to refresh the assembly. Many competitive shooters change springs every 2,500 to 5,000 rounds depending on their volume.
Yes, the guide rod and recoil spring come pre-assembled as a complete unit. You simply remove your old assembly and drop the new one in place, making installation straightforward during field stripping.
| UPC | 798681556618 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RSA-320F-4035745 |
| Model |
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