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 SOLD OUT4-Rail Hand Guard short for SG 552/3 $385.00 Top Level Category (1) SAN Blade $575.00 Top Level Category (1) Swiss Arms Polo – Red $50.00 Top Level Category (1) Magazine 30-Rounds for SG 55X w/o notches $65.00 Top Level Category (1)