- Barrel
- Bolt
- Magazine
- Optional dedicated firing pin
Caleb explains the importance of using a Type 2 6.5 Grendel bolt, which has become the industry standard. Older Type 1 components can create compatibility issues if mixed improperly.
The build also uses DuraMag 6.5 Grendel magazines, which are known for reliable feeding and compatibility with both 6.5 Grendel and 6mm ARC cartridges."