The Redding Deluxe (Bottleneck) Steel 3-Die Set - 257 Roberts is a set of conventional dies for reloading rifle ammunition. Redding's Deluxe set includes three dies: 1) a full length sizing die, 2) a neck sizing die and 3) a standard seating die.
This die set allows you to re-size only the neck of the cartridge case, or the full length. In both cases you will also remove the spent primer.
The standard seating die can also apply a crimp, if required.
Click here for more details on the functionality of Redding dies.
These conventional dies have standard threads (7/8" x 14tpi), so can be used on most reloading machines. They are primarily intended for single-stage reloading, but bottle-necked calibres work well on progressive machines too.
Case lube is essential on these steel dies. In general, we recommend using an easy-to-apply, spray-on case lubricant like Smooth Glide (SSB-SGCL). When neck sizing only, an alternative is Imperial Dry Neck Lube (RED-07700), also available in convenient application media (RED-07900).
Case lube saves wear and tear on the cartridge cases and your reloading equipment; you'll feel the significant reduction in force required to operate the press!
This die set can be used to load the following calibres: .257 Roberts
This calibre is part of Redding's Series A category. Dies in Series A represent the most popular calibres Redding produces and are thus offered at the lowest prices. Dies in Series B through D are less and less popular, and correspondingly more expensive to produce.
Custom dies in most calibres are also available on request.
Manufacturer Part Number | 84125 |
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Brand | Redding |
Shipping Weight (Kg) | 1.00 |
SKU | RED-84125 |
Package Quantity | 1.00 |
Additional Sizing Die Material | Steel |
Additional Size Die Expander | Steel |
Additional Size Die Type | Neck Sizing |
Die Price Category | Series A |
Seat Die Adjustment | Adjustment screw |
Seat Die Type | Seat & Crimp |
Sizing Die Material | Steel |
Size Die Expander | Steel |
Size Die Type | Full-Length Sizing |
Screw Thread | 7/8" x 14 tpi |
Reloading Application | Progressive, Turret, Single Stage |
Die Family | Redding Deluxe (Bottleneck) Steel 3-Die Set |
Die Function | Expand Only, Full Length Size Only, Neck Size Only, Seat & Crimp |
Die Calibre | 257 Roberts |
Number of Dies in Set | 3-Die Set |
Calibre AKA (Also known as) | .257 Roberts |
Sizing Dies:
Seating Die:
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