| Platform | Mk3 |
| Caliber | .308 WIN, 6.5 Creedmoor |
| Lower Receiver | Mk3 Billet 7075 T6 Aluminum |
| Finish | Cerakote Standard |
| Trigger Guard | Integrated |
Expected to ship within 10 business days. Build to Order products are items that are not built but all components are in stock and ready for assembly.
THIS PRODUCT IS BACKED BY THE CMMG LIFETIME QUALITY GUARANTEE.
Lower Receiver Sub-Assm, Mk3/.308WIN
Available in seven different Cerakote finishes, the CMMG® Mk3 lower receiver is just the thing you need to start an AR10 style build. Based on the DPMS LR308 gen 1 high pattern design, the Mk3 platform is compatible with the most common and popular .308 AR parts on the market.
Whether you want to keep your Mk3 lower build simple with a Mk3 Lower Parts Kit or switch things up with CMMG’s Gunbuilder’s Lower Parts Kit and an AR10 Drop-In Trigger, the Mk3 Stripped Lower features AR-15 like modularity and can even utilize the same Pistol Grips. Check out our Buffer Tube & Stock Kits to finish out the Mk3 Stripped Lower. Accepts LR308/SR-25 pattern magazines.
Lifetime Quality Guarantee
We aim to please, that’s why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects. Learn More.