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 Bayonet Lug Adapter (NATO) $20.00 Top Level Category (1) Magazine 30-Rounds for SG 55X w/o notches $65.00 Top Level Category (1) 55X Lower Receiver – Steel Grey/Green $1,270.00 Top Level Category (1) Magazine loading tool “NATO” $25.00 Top Level Category (1)