| Platform | Mk4 |
| Caliber | 5.56x45mm |
| Operating System | Direct Impingement |
| Barrel Length | 16.1 |
| Barrel Twist | 1:7 |
| Barrel Contour | MT |
| Barrel Material | 4140CM, SBN |
| Barrel Twist | 1:7 |
| Muzzle Device | A2 Flash Hider |
| Muzzle Thread | 1/2 x 28 |
| Gas Port Location | Mid |
| Gas Block | 0.750 Non-Adjustable |
| Upper Receiver | Billet 6061 T6 Aluminum |
| Hand Guard | CMMG EML15 M-LOK |
| Finish | Cerakote |
| Charging Handle | CMMG Mil-Spec |
| Pistol Grip | Mil-Spec A2 |
| Buffer Type | Carbine |
| Receiver Extension | CMMG 6 Position |
| Stock / Brace | CMMG M4-Style Buttstock |
| Trigger Type | Mil-Spec Single Stage |
| Trigger Guard | CMMG Mil-Spec |
| Safety Selector | CMMG Mil-Spec |
Expected to ship within 15-30 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.
AR15 Builder's Kit, 5.56mm, 16.1"
Includes:
- Upper Group, RESOLUTE, Mk4, 5.56mm, 16.1"
- Mil-spec Charging Handle, AR15
- M16 Bolt Carrier Group
- AR15 Lower Parts Kit
- M4 Buffer tube and stock kit (Carbine Buffer)