Hornady - LNL OAL Gauges Aqua a caliber specific color coded

a caliber specific color coded handle and a barrel safe brass tip

weight variation and dimensional uniformity

effortless cut

Bore Tech’s rifle bore guide fits most popular centerfire

The unit has its own power source

Hornady - LNL OAL Gauges Aqua a caliber specific color coded(Curved) For all autoloader, lever action, or pump action rifles. Also fits all bolt action and single shot firearms. Inserts into chamber through ejection port. Not compatible with Adapter "D" or short bodied cases. (Straight) Regulating seating depth and the resulting "jump" to the rifling is widely regarded as fundamental to improved accuracy. A few thousandths of an inch change between the bullet and the rifling can make the difference between