Top takeaways
- The Modular Headspace Comparator Inserts are designed for precision cartridge headspace and bullet measurements, and require the separate purchase of the Modular Headspace Comparator Body.
- The new Modular Headspace Comparator is made from 17-4 Stainless Steel for enhanced durability and corrosion resistance, and can accommodate cartridges up to 338 Lapua Magnum.
- These inserts are produced by SHORT ACTION CUSTOMS, LLC, specifically for the 300 Norma cartridge and are part of the Case Gauges & Headspace Tools category.
Attributes
- Cartridge:
300 Norma
- Delivery weight: 0.029kg
- Shipping height: 25mm
- Shipping width: 89mm
- Shipping length: 102mm




