Use the Neck Tension Gage (NTG) as an inspection tool toquickly and accurately screen/sort a batch of brass before your bullet seatingoperation. 

The NTG provides reloaders with the information needed tocreate exacting neck tensions during the bullet seating operation. 

• Use after case neck sizing and before bullet seating to helpdetermine optimal inside neck diameter for consistent release of a bullet fromyour reloaded rounds.
• Allows for inspection of the inside diameters of case necksto be sure a “donut” has not formed at the neck-shoulder junction.

Available in five calibers, the NTG Neck Tension GageInspection Tool consists of four stepped diameters that increase in size untilreaching the handle. Each diameter is etched on the metal tool. 

Simply insert the stepped end of the tool into the neck ofyour sized case, sliding it in until one of the diameters achieves a slip fitin the case neck. Use the resulting value to fine-tune your case preparation.