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Neck tension is one of those little details that separates good handloads from great ones, and the Redding .333" Titanium Nitride Neck Sizing Bushing gives you the control to get it right. It starts as a hand-polished, heat-treated steel insert running a surface hardness around Rc 60-62, then gets a titanium nitride treatment layered on top to push that hardness even higher while cutting down sizing friction. The result is a bushing that works brass gently and consistently, round after round.
The whole idea behind bushing-style sizing is that you only squeeze the neck down as much as you need to, instead of over-working it with a conventional sizer. By picking the right bushing diameter, you set just enough tension to hold the bullet securely without crushing the neck and springing it back. That lighter touch means less work-hardening on your case necks, which translates to brass that lasts longer and stays more uniform from firing to firing.
This bushing measures .333" and shares the same external dimensions as the rest of the Redding lineup, a 1/2" outside diameter by 3/8" long, so it freely interchanges across all Redding bushing-style neck sizing dies. That includes the Type S Bushing Neck Sizing Dies, Type S Full Length Dies, and the Competition Bushing Neck Sizing Dies. Every bushing is clearly marked with its size for quick identification when you're swapping between loads.
To land on the right size for your brass, measure the outside neck diameter of a loaded cartridge with a precision micrometer, then subtract roughly .001" to .002" to account for brass spring-back and give you proper bullet grip. If you run multiple calibers or like to experiment with tension, keeping a few bushings on hand makes load development a lot easier. Redding offers these in .001" increments covering the full range from .17 up through .338 caliber.
It freely interchanges in all Redding bushing-style neck sizing dies. That covers the Type S Bushing Neck Sizing Dies, Type S Full Length Sizing Dies, and the Competition Bushing Neck Sizing Dies. Every Redding bushing shares the same 1/2" O.D. by 3/8" long body, so swapping sizes is quick.
Measure the outside neck diameter of a loaded cartridge with a precision micrometer, then subtract about .001" to .002". That subtraction accounts for brass spring-back after sizing and leaves you with the right amount of bullet tension. If your loaded neck measures right around .334", this .333" bushing is likely your starting point.
Both start as the same hand-polished, heat-treated steel. The titanium nitride version adds a surface treatment on top that increases the effective hardness and reduces sizing friction, so necks slide through a little easier and the bushing holds up over the long haul. Function and dimensions are otherwise identical to the steel bushing.
Yes. By sizing just the neck and working it only as much as needed, you reduce the work-hardening that happens every time a case is resized. That means fewer cracked necks and more reloads out of each piece of brass, which is a big reason precision handloaders lean on bushing dies.
| UPC | 611760763335 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 76333 |
| Shipping Weight | 0.0188 |
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