The Rival Arms RARA50S201S Guide Rod Assembly for Sig P320 Full Size is a precision upgrade over factory components, built around a solid stainless steel rod and premium ISMI spring. Designed specifically to fit Sig Sauer P320 full-size models, it delivers smooth, consistent cycling and dependable performance for dedicated shooters.

This assembly maintains stock spring weight at 17 lb, making it an easy drop-in replacement that preserves familiar recoil characteristics while improving durability. Ideal for range use, training, and competition, it helps reduce flex and wear common to polymer guide rods. Rival Arms is known for careful machining and thoughtful design, giving this simple upgrade a noticeable impact on reliability and long-term service life.

Key Features:

• Manufacturer: Rival Arms
• Model: Guide Rod Assembly
• Compatibility: Sig Sauer P320 Full Size
• Material: Stainless Steel Rod
• Spring Type: ISMI Premium, Stock 17 lb Rate