Shop Top Level Category (1) Recoil Spring 550/551$50.00 Recoil Spring for 550/551 Available on backorder Recoil Spring 550/551 quantity Add to cart SKU: SAN34554561 Category: Top Level Category (1) Description Recoil Spring for 550/551 Related products Bipod, adjustable $275.00 Top Level Category (1) Adjustable Buttstock, Green $325.00 Top Level Category (1) 551 Upper Hand Guard $110.00 Top Level Category (1) 4-Position Gas Valve for SG 552/3 $180.00 Top Level Category (1)