Evolution Gun Works Ammo Chamber Checker, .300 Blackout 7-Hole, 70166

The EGW Chamber Checker is developed with the actual Clymer reamers that are used to chamber barrels. Made using a solid 6061 T6 aircraft grade aluminum material with an anodized matte black finish the Evolution Gun Works Ammo Chamber Checker has the strength and durability you'll need to use it ...