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The recoil spring assembly does a lot of quiet work every time you pull the trigger, and the factory polymer version can wear, flex, or crack after enough range time. Rival Arms tackles that head on with a guide rod assembly machined from a solid stainless steel billet, giving your Sig P320 Carry a tougher, more corrosion-resistant part that holds up to heat, fouling, and high round counts.
The stainless steel rod is built to tight tolerances with an ultra-smooth surface finish, which cuts down on friction and gives the spring cleaner, more consistent travel. Less flex under recoil means steadier cycling and more predictable felt recoil, which can translate to better follow-up shots. It ships with a premium recoil spring in the stock 17 lb weight, so it behaves like your factory setup should but with hardware that will not chip or splinter over time.
This assembly is made specifically for the Sig P320 Carry platform and works across the 9mm, .40 S&W, and .357 SIG chamberings on that frame. It arrives fully assembled and drop-in ready, so there is no gunsmithing, fitting, or fussing required. Field strip your pistol, pull the old guide rod, seat the new one, and you are back together in a couple of minutes.
Feedback from P320 and M18 owners lines up on the same points: it fits right, works right, and feels like a smart upgrade over the plastic original. Made in the USA and backed by a reputation for clean machining, this is one of those low-key modifications that adds long-term reliability without changing how your carry gun shoots.
Yes, it is made specifically for the Sig P320 Carry frame. It works with the 9mm, .40 S&W, and .357 SIG versions built on that platform. Make sure your pistol is the Carry size and not the Full Size or Compact, since Rival Arms offers separate assemblies for those.
No gunsmithing is needed. The assembly comes fully assembled and drops right in during a normal field strip. Pull your old guide rod, seat the Rival Arms unit in its place, and reassemble.
It ships with a premium recoil spring in the stock 17 lb weight. That keeps your cycling behavior close to the factory setup, so it works well with standard pressure loads without changing how the gun runs.
Polymer rods can flex, chip, or crack over time, especially with heat, fouling, and high round counts, which can affect feeding and ejection. The stainless steel version resists that wear and reduces flex under recoil for steadier, more consistent cycling. It is a simple upgrade that adds long-term durability to a carry gun.
| UPC | 788130031742 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RARA50S301S |
| Model |
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