Sig Sauer P320 9MM FULL SIZE Recoil Spring Assembly RSA-320F-9 UPC 0798681559558
Product Description
The Sig Sauer P320 Full Size 9mm Recoil Spring Assembly (RSA-320F-9) is an authentic OEM replacement guide rod and spring unit engineered specifically for full-size Sig Sauer P320 9mm handguns. Designed to restore factory slide velocity, lockup tension, and reliable cycling, this captured recoil assembly is a critical replacement component for high-round-count handguns and custom slide builds.
Featuring a durable steel guide rod and a factory-calibrated spring, the RSA-320F-9 is manufactured to Sig Sauer’s exacting standards to absorb felt recoil impulse, prevent slide battering, and maintain consistent battery lockup across diverse 9mm load profiles. The self-contained, captured design simplifies cleaning, disassembly, and field maintenance without the risk of loose spring binding or misplacement.
Whether replacing a fatigued factory spring on a duty sidearm or staging spare components for preventive armorer maintenance, this original manufacturer component delivers 100% drop-in fitment and factory reliability for your full-size P320 platform.
Armorer Bench Notes & Real-World Staging Guidance:
Fitment Matrix: Fits Sig Sauer P320 Full Size (4.7" barrel length) slide assemblies in 9mm Luger. (Not compatible with Carry, Compact, Subcompact, X-Compact, or .45 ACP / 10mm slide lengths).
- Perform a complete firearm safety check: drop the magazine, lock the slide rearward, and visually inspect the chamber to verify zero live rounds are present.
- Field strip the Sig P320 by locking the slide, rotating the takedown lever downward, and lifting the slide assembly off the grip module.
- Compress the existing recoil spring assembly forward slightly and lift it up and out from the barrel lug recess.
- Clean any accumulated carbon deposits or old lubricant from the slide interior channel and barrel locking lug.
- Insert the small round end of the new RSA-320F-9 recoil assembly into the front slide nose opening.
- Compress the spring slightly and seat the flat rear base of the guide rod securely into the lower barrel lug recess, ensuring it sits centered and level before mounting the slide.
Key Features
- Factory Sig Sauer OEM Quality: Manufactured directly by Sig Sauer to precise original factory specifications and tension ratings.
- Captured Guide Rod Unit: Self-contained captured design prevents spring fly-off during disassembly and simplifies field maintenance.
- High-Strength Steel Construction: Heavy-duty guide rod body withstands violent slide deceleration and high-volume round counts.
- Factory Recoil Tuning: Pre-calibrated spring rate ensures smooth extraction, reliable ejection, and optimum slide velocity for 9mm loads.
- Direct Drop-In Replacement: Installs instantly into full-size 4.7" P320 slides without special tools or custom fitting.
- Made in the USA: Proudly engineered and manufactured in the United States backed by Sig Sauer quality control.
Product Specifications
- Brand: Sig Sauer
- Model/Series: P320 Full Size Recoil Spring Assembly
- MPN / SKU: RSA-320F-9
- UPC: 0798681559558 / 798681559558
- Caliber Compatibility: 9mm NATO / 9x19mm Luger
- Platform Compatibility: Sig Sauer P320 Full Size (4.7" Barrel Models)
- Guide Rod Style: Captured Assembly
- Material: High-Grade Steel
- Finish / Color: Black / Natural Steel
- Weight: 2.1 oz
- Country of Origin: USA
