GC_UPC CMMG Resolute 5.7x28mm 16.10" Complete Upper for AR-15 $849.99 57B40E4AB show more like this $9.99 - $19.99 Deguns.net GC_UPC Cmmg 57B40e4ab Resolute 5.7X28mm 16.10", Armor Black, M-Lok Free-Float Handguard For Ar-Platform $892.00 57B40E4AB show more like this Firearms $18.45, Free over $500 Shooting Surplus