Home / Accessory-Uppers / Warrior Systems WSM15 BILLET UPPER BLACK View cart “Del-Ton COMPLETE UPPER 16″ M4 FLAT TOP” has been added to your cart. Sale! Warrior Systems WSM15 BILLET UPPER BLACK$19900 $13220 In stock Warrior Systems WSM15 BILLET UPPER BLACK quantity Add to cart SKU: 7015101 Category: Accessory-Uppers Product ID: 99251 Description Description M4 Feed Ramps Related products Sale! Daniel Defense M4A1 RIII URG 5.56MM 14.5″ FDE $1,49900 $1,39618 Sale! Daniel Defense M4A1 URG 5.56MM 14.5″ FDE $1,49900 $1,39618 Sale! Bushmaster M4 PATROLMAN 16″ UPPER REC. $63395 $60674 Sale! POF USA RENEGADE+ UPPER 300BLK 10.5″ $1,26300 $1,11568