Redding Competition Bushing Neck Die 7mm Rem Mag

Description

The Redding Competition Bushing Neck Die for 7mm Remington Magnum is one of those tools that separates good handloads from truly great ones. Instead of forcing the neck down over a fixed expander ball like a standard die, this one uses interchangeable bushings to size only the neck, and only as much as you want. The case is completely supported and aligned inside a precision ground sliding sleeve before the bushing ever touches it, which is exactly why benchrest and long range folks reach for this design when runout and consistency matter.

How the 7mm Rem Mag Competition Bushing Neck Die Works

As the case travels up into the die, it stays captured in the tightly chambered sliding sleeve while the resizing bushing self-centers on the neck. The decapping rod stays in line using the die's own internal parts as a linear support, a lot like a firing pin riding in its channel. The result is minimal neck runout and the kind of repeatable neck tension that shows up on your target and across your chronograph.

Dialing In Neck Tension With the Micrometer Head

The micrometer adjustment at the top lets you control how far down the neck gets sized, and you can return to a favorite setting any time. Bushings are sold separately in .001 inch increments, so you tune neck tension to your exact brass. A common starting point is to measure the outside neck diameter of a loaded round and subtract .001 to .002 inch to allow for brass springback. Steel and titanium nitride coated bushings are both available, and Redding's bushings interchange freely across all their bushing style dies. If your brass neck thickness varies quite a bit, a carbide size button kit is offered separately for those who want to run an expander.

What to Know Before Your First Session

This die threads into any standard 7/8-14 reloading press. It shines with neck turned brass and tighter chambers, though plenty of handloaders run it with quality factory brass and get excellent results. Keep in mind the bushing and shellholder are purchased separately, so plan accordingly when you order.