Since most malfunctions are caused by faulty ammunition, and most of those are due to deformations and bulges, measuring your cartridges is an effective way to reduce the risk of costly malfunctions.
Can be combined with any other 10-slot Ammo Checker size. Depending on the type of ammo box you use, you can use just one or connect 2, 5, 10, or any other size of Ammo Checker by tightening them together with 2 screws.
The chambers are precisely positioned to align with MTM or most other ammo boxes, allowing you to transfer them without any issues.