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 Magazine 20-rounds for SG 55x w/notches $65.00 Top Level Category (1) Sling for SG 55x, Black $80.00 Top Level Category (1) Magazine 30-Rounds for SG 55X w/o notches $65.00 Top Level Category (1) M4 Style Butt Stock Adapter – Steel Lower $220.00 Top Level Category (1)