(caliper is required not included)

Ammunition Measurement System Datum Dial Kit (patent pending) DATUM DIAL, BULLET/CARTRIDGE DIALS #1 & #2 , STORAGE BOX Easy to use Ammo measurement system gives you the data you need to refine your case sizing and bullet seating operations. This complete kit includes one Datum Dial tool for checking cartridge cases,

Both bullet/Cartridge dials for use with 17 cal, 204, 224, 243, 257, 264, 277, 284, 308, and 338 bullets, laminated chart showing common datum diameters, instructions and storage box. (caliper is required not included)

Cartridge Case / Caliber Usage Chart Aperture/ Datum Dia. Case Caliber

.330\" 17 Rem., 204 Ruger, 220 Swift, 221 Fireball, 222 Rem., 222 Rem. Mag., 223 Rem., 6mmx45

.350\" 22-250, 22 Rem. BR, 22 PPC, 225 Win., 6mm Rem. BR, 6mm PPC, 6mm PPC/Wild, 6mm Dasher, 250 Sav., 6.5mm GRENDEL, 300 AAC Blackout

.375\" 6mm Rem. (244), 6x47 Lapua, 6mm XC, 25-06 Rem., 257 Roberts, 6.5x57 Mauser, 6.5x47 Lapua, 6.5x55, 270 Win., 7x57 Mauser, 280 Rem (7mm Exp.), 303 British, 300 H&H Mag., 30-30 Win., 30-40 Krag, 30-06 Spring./61A Ackley, 32 Win. Spec

.400\" 243 Win., 260 Rem., 270 WSM, 7mm-08 Rem., 308 Win., 308 National Match .420\" 264 Win., 6.5-284., 7mm Rem. Mag., 7mm WSM. 284 Win., 7mm STW., 7mm Rem. Ultra Mag., 300 Win. Mag., 30-338 Win. Mag., 300 Ultra Mag., 300 WSM, 8mm Rem. Mag., 338 Win. Mag., 375 H&H