Bartlein 300 Blackouts made to your specs.
Features to choose from:
- Bartlein Match Grade SS Blank
- Available Length: 5.5"-18"
- Twist: 1:7 or 1:8
- Thread Pitch: 5/8 x 24, 3/4x24, or No Threads all with a 11° Target Crown
- Three options of Gas Block Diameter (.750, .875, .936)
- 300 AAC Blackout Chamber
- Pistol-1 or a Pistol Gas System
- M4 Feed Ramps
- Three Options of Fluting (Straight, Spiral, and Diamond)
- Many Finishes Available