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Redding Competition Shell Holder Set - #12 Size
$62.25
$62.99
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The Redding Competition Shell Holder Set in #12 size is a precision reloading tool built for shooters serious about headspace control and consistency. This five-piece set lets you fine-tune your reloading press setup by selecting shellholders at different thicknesses, a technique that competition reloaders and precision ammunition builders rely on to dial in exact dimensions. Each holder is clearly marked and finished in black oxide, so you'll instantly tell them apart from standard shellholders in your bench setup.
Headspace management is one of the hidden edges in competitive shooting and handloading. The competition set gives you five incremental options—each step +.002", +.004", +.006", +.008", and +.010" thicker than a standard shellholder—so you can experiment and dial in the exact headspace that your press and dies deliver. For shooters working with tight chamber specifications, different barrel conditions, or simply chasing the best concentricity and runout, this kind of control is invaluable. All five holders nest in a dedicated six-position storage box (with room for your regular holder), keeping everything organized and portable.
If you're running a progressive or single-stage press and your ammunition isn't grouping as tight as your rifle should, headspace variance could be the culprit. This set removes the guesswork and gives you a methodical way to optimize your reloading setup without buying new dies or press gear. It's the kind of detail-oriented approach Redding is known for.
Key Features
- Five shellholders at +.002", +.004", +.006", +.008", and +.010" increments above standard thickness
- Black oxide finish for easy identification and durability
- Clearly marked for quick selection during setup
- Organized in a six-position storage box with room for a standard shellholder
- #12 size for compatible Redding presses and die systems
Specifications
| Brand | Redding |
| Product Type | Competition Shell Holder Set |
| Size | #12 |
| Pieces Included | 5 shellholders |
| Thickness Options | +.002", +.004", +.006", +.008", +.010" over standard |
| Standard Shellholder Thickness | .125" (bottom of case head to top of holder) |
| Finish | Black oxide |
| Storage | 6-position box |
Frequently Asked Questions
What is a competition shell holder set used for?
Competition shell holders let you adjust headspace by choosing different thicknesses, which affects how your reloading press seats and controls your ammunition. This is essential for precision and competitive shooters optimizing their loads for consistency and accuracy.
How do I know which thickness to choose?
The set comes with five incremental options, allowing you to experiment and find the thickness that works best with your press, dies, and chamber specifications. Many reloaders test each one to see which delivers the tightest groups and most consistent ammunition.
Will this work with my Redding press?
The #12 size is compatible with Redding presses and die systems designed for that shellholder size. Check your press documentation or Redding's shellholder compatibility chart to confirm your setup uses #12 holders.
What's included in the set?
You get five shellholders at different thicknesses, all marked and finished in black oxide, plus a six-position storage box with space for your regular shellholder.
