Armalite A2 Clamp-on front sight / Gas Block, .750 with the front sight post, spring and detent $50 Complete Delta Ring assembly (Barrel Nut, Weld Spring, Snap Ring and Delta Ring) $10 Mapul Mid-length MOE Handguard FDE with vertical grip and QD attach point - $35 I'm located in West Linn OR. 503-841-8380