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The CMMG® Mk3 upper receiver assembly, based on the DPMS LR308 gen1 high-pattern design, gives shooters an AR10-style platform with the widest range of compatible parts and accessories on the market.
Explore CMMG's AR-15 and AR-10 upper receivers. Complete build kits and stripped uppers available. High-quality parts for custom AR builds. Shop now.
Browse our CMMG Upper Receivers on BudsGunShop.com. Use our advanced product search tools to find exactly what you are looking for!
The CMMG Mk3 .308WIN 24in Endeavor Upper Group Receiver is based on the DPMS Gen 1 LR308 pattern of rifles. I would recommend contacting Stag Arms directly in order to confirm the lower you have will be compatible with DPMS Gen 1 upper receivers.
I recommend contacting CMMG in regard to the compatibility of the CMMG Mk3 .308WIN Banshee Upper Group Receiver with 80% lowers. by Hunter, Gear Expert, September 20, 2023
308 Winchester Upper Receivers are standard issue on AR-10 / LR308 platform rifles. Also known as 7.62x51 NATO, 308 WIN is among the most popular ammunition in the world. Upgrading your AR10 / LR308 to a higher quality 308 WIN upper assembly can yield significant gains in accuracy and effectiveness.
The Resolute features a 16-inch barrel and designed for balance, accuracy and maneuverability. The Resolute 100 offers a forged 7075-T6-AL M4 upper receiver assembly with a bolt carrier group, and a Cerakoted receiver and anti-jam handguard.
