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Getting the shoulder bump just right is one of those details that separates good handloads from great ones, and Redding's Competition Shellholder Set makes that adjustment about as easy as it gets. Instead of chasing die settings every time you want to tweak headspace, you simply swap to a different shellholder and get repeatable results. Each of the five holders in this #4 set is machined to a slightly different height, so you can dial in exactly how much you bump the shoulder back without ever touching your sizing die.
This is the #4 size, which handles the 220 Swift, 225 Winchester, and 6.5 Japanese Arisaka cases. The set comes with five shellholders in .002 inch increments, measuring +.002, +.004, +.006, +.008, and +.010 taller than a standard shellholder. That extra height raises the case slightly in the press, which reduces how far the shoulder gets pushed back during sizing. More height means less bump, giving you a clean range of adjustment across the whole set.
Each shellholder wears a distinct black oxide finish and is clearly stamped with its value, so there's no guessing and no need for special tools or gauges to tell them apart at the bench. Once you find the one that matches your chamber, your sizing becomes consistent and you don't have to readjust your die between sessions. For bolt-gun handloaders working up precision loads or anyone trying to extend brass life by only bumping the shoulder a couple thousandths, this kind of fine control is hard to beat.
The set arrives in a six-slot storage box that keeps all five holders organized and leaves an open space for your standard shellholder. Redding has been building reloading gear in the United States for decades, and these holders carry the same careful machining the brand is known for. It's a small tool that earns its keep on the bench session after session.
The #4 size is designed for cases in the 220 Swift, 225 Winchester, and 6.5 Japanese Arisaka family. If your die chart calls for a Redding #4 standard shellholder, this competition set is the matching version. Always confirm against a shellholder-by-cartridge chart for any wildcat or less common chambering.
Each holder in the set sits a little higher than a standard shellholder, which raises the case in the press and reduces how far the sizing die pushes the shoulder back. The more height you add, the less shoulder bump you get. By swapping holders you can fine-tune bump in .002 inch steps without ever readjusting your die.
No. Each shellholder has a black oxide finish and is clearly marked with its value, so you can tell them apart at a glance. You just pick the holder that gives you the shoulder bump you want and size as usual.
Yes, the five holders ship in a six-position storage box. The extra slot is there so you can store your regular #4 shellholder alongside the competition set and keep everything together on the bench.
| UPC | 611760116049 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 11604 |
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