Maintain reliable function in your SIG P320 Subcompact with this recoil spring assembly engineered for 9mm, .357 SIG, and .40 S&W configurations. The assembly includes a heat-treated recoil spring and precision guide rod (available in steel or stainless options depending on SKU) manufactured to OEM-style tolerances for consistent compression, correct alignment, and dependable return-to-battery performance.

Designed as a direct replacement for worn or fatigued factory components, this assembly helps reduce timing-related malfunctions, preserves consistent extraction/ejection, and maintains predictable felt recoil across listed calibers. It pairs with the factory subcompact slide and barrel dimensions; verify spring rate compatibility if using aftermarket barrels or suppressed setups. Installation is straightforward for those familiar with striker-fired compact disassembly—always follow manufacturer instructions and perform a full function and safety check after installation.

Sold as a complete assembly (spring + guide rod). Ideal for armourers, gunsmiths, and owners performing routine maintenance, rebuilds, or parts refreshes.