K&M - Custom Gauge Pin Size:0.2015 Keeps firing pin and all

Keeps firing pin and all moving parts working as low as -50F below zero

The Mantis X2 is the most powerful training aid for dry fire only practice

Chamfers the inside case mouth to an angle of 14°

Illuminated reticle - Yes

Delta Stryker 3

K&M - Custom Gauge Pin Size:0.2015 Keeps firing pin and allMeasures neck inside diameter Checking your Case Neck with Gage Pins: After expanding use the corresponding gage pins to confirm the neck sized as expected. The feel you are looking for is a light drag on the gage pin. When sized properly the gage pin will act as a piston as you push the pin into the case neck while holding your finger or thumb over the primer pocket. You can actually feel the air compress inside the case. Quite often the brass can be