Shop Top Level Category (1) 551 Upper Hand Guard110.00$ 551 Upper Hand Guard 551 Upper Hand Guard quantity Add to cart SKU: SAN355721902 Category: Top Level Category (1) Description 551 Upper Hand Guard Related products Bayonet Lug Adapter (NATO) 20.00$ Top Level Category (1) Swiss Arms Polo – Black 50.00$ Top Level Category (1) 55X Lower Receiver – Steel Grey/Green 1,270.00$ Top Level Category (1) Adjustable Buttstock, Green 325.00$ Top Level Category (1)