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Necking up brass is one of those jobs where the wrong tool turns a quick task into a pile of crumpled cases. Redding's tapered sizing button is built specifically to avoid that headache. Instead of forcing an undersized neck over a standard round expander ball, the long tapered profile eases the brass open gradually, so the neck walls stretch evenly as the case pulls off. This 7mm button handles a range from .22 caliber all the way up to 7mm (.284 diameter), which covers a lot of popular wildcat and case-forming work.
The tool works by expanding the necks of bottleneck cartridges up to your desired size. Reloaders reach for it when forming cases like 6BR, 7BR, or 6.5×284 up into the 7mm family, where jumping several calibers in one shot with a standard button would collapse necks. The gradual taper does the heavy lifting in a single pass. A little case lube on the inside of the neck keeps everything gliding and makes the stroke feel smooth.
This button is designed to run in Redding Standard and Type S sizing dies. A common trick is to back the die up off the shellholder so it expands the neck without touching the case body, letting you form brass without resizing anything you don't want to touch. Keep in mind this is the tapered button on its own, so your decap rod is not included and the button is sold as a separate component from the die.
Redding has a long reputation for precision reloading gear, and this piece is made in the United States to the same tolerances the brand is known for. For handloaders chasing straight necks and consistent tension on formed brass, the tapered approach keeps runout down and the brass happy. It's a small part that solves a specific problem really well.
It expands the necks of bottleneck cases up to 7mm by easing the brass open with a long, gradual taper. This makes it ideal for necking up cases like 6BR or 6.5×284 to the .284 family in a single pass. The tapered shape helps you avoid the collapsed necks you'd risk trying to force a case over a standard round expander ball.
It's made to run in Redding Standard and Type S sizing dies. A common approach is to raise the die off the shellholder so the button expands the neck without sizing the case body. Just note that it fits into a die body and does not come with a decapping rod.
No, this is the tapered sizing button on its own. The decap rod is not included, and the tapered buttons are sold separately from the die. You'll install it onto a compatible Redding rod in your existing die.
Yes, a little case lube or sizing wax inside the neck makes a big difference. It lets the tapered button glide through smoothly and keeps the brass from dragging or deforming. Lubing both the button and the inside of the necks is the way to get clean, straight results.
| UPC | 611760162831 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 16283 |
| Caliber/Gauge | .22 Caliber |
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