DESCRIPTION
Easy-to-use ammo measurement system gives you the data you need to refine your case sizing operations. Includes one Datum Dial tool for checking cartridge cases, chart showing common datum diameters, instructions and storage box. (A caliper is required.)
Provides a relative measurement between the base of a case to a datum point on its shoulder angle. May be used:
FEATURES
CARTRIDGE CASE/CALIBER USAGE CHART
Aperture/Datum Diameter | Case Caliber |
---|---|
.330″ |
17 Rem; 204 Ruger; 22 Nosler; 220 Swift; 221 Fireball; 222 Rem; 222 Rem Mag; 223 Rem; 6mm x 45 |
.350″ |
22 BR; 22 PPC; 22-250; 225 Win; 6mm BR; 6mm Dasher; 6mm PPC; 6mm PPC/Wild; 250 Sav; 6.5 Grendel; 300 AAC Blackout |
.375″ |
6mm GT; 6mm Rem (244); 6mm XC; 25-06 Rem; 257 Roberts; 6 x 47 Lapua; 6.5 x 47 Lapua; 6.5 x 57 Mauser; 6.5 x 55; 270 Win; 7 x 57 Mauser; 280 Rem (7mm Exp); 30-06 Springfield; 30-30 Win; 300 H&H Mag; 303 British; 30-40 Krag; 32 Win Spec |
.400″ |
243 Win; 260 Rem; 6 / 6.5 Creedmoor; 270 WSM; 7mm-08 Rem; 308 Win;308 National Match |
.420″ |
264 Win; 26 Nosler; 6.5-284; 6.5 PRC; 7mm Rem Mag; 7mm RUM; 7mm STW; 7mm WSM; 28 Nosler; 284 Win; 30-338 Win Mag; 300 Norma; 300 PRC; 300 Ultra Mag; 300 Win Mag; 300 WSM; 8mm Rem Mag; 338 Win Mag; 375 H&H |