CMMG Resolute 16.10" Upper 5.56x45mm with 1:7 Twist Rate and M-LOK Rail - Mid-Length with Charging Handle - Armor Black - 55BB40BAB

Upgrade your firearm versatility with the RESOLUTE MK4 upper group, designed for a seamless transition to a 5.56x45mm carbine. Please note, this upper group does not include a bolt carrier group (BCG) or charging handle, allowing you to customize and optimize your setup. Experience top-tier performance and reliability with this premium upper group.