Hornady .313″ Match Grade Die Bushing – 7mm Neck Sizing (594313)

Description

The Hornady .313" Match Grade Die Bushing is the little brass part that lets you take real control over neck tension when you reload. Sized at .313" and intended for 7mm cartridges, it installs in Hornady Match Grade dies and sizes the case neck down to the exact dimension you pick. The self-centering design keeps everything concentric so you're not oversizing necks or beating up your brass run after run, and that consistency is what shows up as tighter groups downrange.

How the .313" Match Bushing Works in Your Dies

This bushing drops into both the Match Grade Full Length and Match Grade Neck Size dies. In a full-length die it sizes the body, bumps the shoulder, and sizes the neck with the bushing you've installed. In the neck die, it sizes the neck and bumps the shoulder only, no body sizing. A knurled spindle lock makes swapping bushings quick, so you can keep a few sizes on hand and fine-tune tension as your brass and loads evolve.

Picking the Right Neck Tension with the .313" Bushing

The simple method most reloaders use is to measure the neck diameter of a loaded or dummy round that fits your chamber, then subtract about .001" to find a good starting point. From there you pick a bushing at or just under that number. Hornady offers these in tight increments so you can land on the exact tension your rifle likes, and this .313" size fits right into that lineup for 7mm work.

One thing worth knowing: Hornady Match Grade bushings are cross-compatible with Redding, Wilson, and RCBS bushing-style dies, so if you've already got a bushing setup, this one will likely play nice with it. It's made in the USA and built to the kind of tolerances precision handloaders expect.