Forster - Datum Dial Accessories & Parts Type:Case Dial ONLY Black (DD1010-013) These are precision scope rings

These are precision scope rings

This enables neck sizing without the use of the size button for those who sort and/or turn case necks for uniformity

This die improves accuracy and prolongs case life because the body of your case maintains its fire-formed “glove” fit to your rifle’s chamber

004” from the standard bullet diameter

Forster - Datum Dial Accessories & Parts Type:Case Dial ONLY Black (DD1010-013) These are precision scope rings(DD1111 & DD2222) When used in conjunction with the Datum Dial (DD1010), the tool measures the relative distance of a bullet or cartridge to a point on the bullets ogive. Dial Calibers Bullet Cartridge Dial #1 (DD1111) 224 Cal (5. 56mm) 243 Cal (6mm) 264 Cal (6. 5mm) 284 Cal (7mm) 308 Cal (7. 62mm) Bullet Cartridge Dial #2 (DD2222) 172 Cal 204 Cal 257 Cal 277 Cal 338 Cal (DD1010 013) This is the Forster Datum dial disc for taking Cartridge headspace