Redding (Bottleneck) Steel Neck Sizing Die - 257 Rob I40
The Redding (Bottleneck) Steel Neck Sizing Die - 257 Rob I40 is a single, conventional die for reloading rifle ammunition. This die allows you to re-size just the neck of the cartridge case, while also removing the spent primer.
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This conventional die has standard threads (7/8" x 14tpi), so can be used on most reloading machines. Is 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 Dillon's DCL, with lanolin (DLN-13733). 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 can be used to load the following calibres: 257 Roberts Improved 40°
This calibre is part of Redding's Series C 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||81322|
|Shipping Weight (Kg)||0.3|
|Die Price Category||Series C|
|Sizing Die Material||Steel|
|Size Die Expander||Steel|
|Size Die Type||Neck Sizing|
|Screw Thread||7/8" x 14 tpi|
|Reloading Application||Progressive, Turret, Single Stage|
|Die Family||Redding (Bottleneck) Steel Neck Sizing Die|
|Die Function||Expand Only, Neck Size Only|
|Die Calibre||257 Rob I40|
|Number of Dies in Set||Individual Die|
- Suitable for the following calibre(s): 257 Roberts Improved 40°
- Die material: Titanium Carbide
- Micrometer Adjusted Seating
- Screw thread: 7/8x14tpi
Neck Sizing Die:
- Neck resing and neck expander (size button).
- Decapping rod assembly.
- Steel, Neck Sizing Die
- Printed Instructions