The Modular Headspace Comparator Inserts are designed for precision measurements and require a separately purchased Modular Headspace Comparator Body.
Constructed from 17-4 Stainless Steel, the inserts offer enhanced durability and corrosion resistance, suitable for cartridges up to 338 Lapua Magnum.
Manufactured by SHORT ACTION CUSTOMS, LLC., these inserts are part of the Case Gauges & Headspace Tools category and are specifically for the 338 Norma Mag cartridge.