Rival Arms Guide Rod Asm Sig P320 Full Size Rod Assembly RA50S201S

Engineered for shooters who demand peak performance from their gear, the Rival Arms Guide Rod Assembly for the Sig Sauer P320 Full Size delivers unmatched durability, smooth cycling, and enhanced reliability. Whether you're running 9mm, .357 SIG, .40 S&W, or .45 ACP, this premium drop-in upgrade offers a substantial improvement over factory components—no gunsmithing required.

At the core of this guide rod assembly is a precision-machined stainless steel rod, built to strict tolerances to ensure consistent operation under pressure. The ultra-smooth finish minimizes friction, resulting in cleaner spring movement and better alignment throughout the cycling process. This translates into improved feeding, ejection, and overall stability during both live fire and dry practice.

Paired with a premium ISMI flat-wire spring, this assembly boasts a 17-pound spring rate optimized for full-size P320 models. The spring is designed to handle a variety of defensive and training loads, providing dependable function across a wide range of ammunition types. Whether you're pushing your pistol hard at the range or relying on it in a defensive scenario, the Rival Arms assembly helps ensure smooth, repeatable action every time.

Built for shooters who value precision and longevity, the stainless steel construction adds both strength and resistance to wear, making it an ideal long-term upgrade for your pistol. It also provides additional weight at the front of the firearm, which can slightly reduce muzzle flip and improve follow-up shot speed and accuracy.

Installation is straightforward—this guide rod comes fully assembled and ready to drop in. It’s a true plug-and-play solution, giving you performance benefits immediately without the need for any modification. And because it’s made in the USA, you can count on quality craftsmanship backed by a limited lifetime warranty.

Compatible with Sig Sauer P320 Full Size models in 9mm, .357 SIG, .40 S&W, and .45 ACP, this guide rod assembly is a smart investment for shooters looking to get the most out of their sidearm. Whether for duty, competition, or concealed carry, it offers reliability you can count on and performance you can feel. Order it today from SMKW!