A right-hand bolt head and extractor from American Rifle Company, listed by the distributor for the Mausingfield action. It is the 0.378" size; choose the size that matches the cartridge you plan to run. Swappable bolt heads let a Mausingfield-based rifle change cartridge families with a barrel swap.
- Brand: American Rifle Company
- Fits: Mausingfield action
- Size: 0.378"
- Hand: Right
- Includes: Bolt head and extractor
