Top takeaways

  1. The THROAT EROSION GAUGE by Merchant provides a quick and accurate way to measure barrel/throat wear for rifles chambered in .223, .30 M1 Carbine, and .30-06 M1 Garand.
  2. It is recommended to use the gauge every 1,000 rounds to monitor and compare throat erosion, which is essential for match shooters and varmint hunters to determine remaining barrel life.
  3. The .223 gauge is made of steel, 3½" (8.9cm) long, and is also compatible with .222 and .22-250 calibers, while the .30 M1 Carbine gauge is 21⁄16" (5.2cm) long, with the Garand gauge also measuring bore erosion at the muzzle.

Attributes

Delivery weight: 0.045kg

Item details

Made in USA