EGW Case Gauge Ammo Checker .300 Blackout 7-Hole
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Our Case Gauge Ammo Checkers are machined from solid 6061 T6 aircraft grade aluminum. They are made to SAAMI minimum spec.
While
some companies use boring bars to make chamber checkers, we use the
actual Clymer reamers that are used to chamber barrels.
Anodized matte black for durability.
Measures min case diameter.
Measures max overall length.
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