This barrel from CMMG is just what you need to build that 300 Blackout upper you've been planning. Made of 416 Stainless steel, it has the fast 1:7" twist rate needed to stabilize those long heavy 30 caliber bullets.
| Cartridge | 300 AAC Blackout (7.62x35mm) |
| Finish | Stainless |
| Material | Stainless Steel |
| Length | 16.1 Inches |
| Twist | 1:7 |
| Threads | 5/8"-24 |
| Barrel Contour | Medium |
| Chrome Lined | No |
| Gas Block Diameter | 0.75 Inches |
| Gas System Length | Carbine |
| M4 Feed Ramps | Yes |
