Product Description
The RCBS 12501 Full-Length 2-Die Set (Group A) for .257 Roberts is built for reloading bottleneck rifle cases to consistent, reliable dimensions. This set includes a full-length sizer die with an expander-decapping unit to size the case, remove the spent primer, and expand the neck for bullet seating. It also includes a seater die with a bullet seater plug and an integrated roll crimp, allowing you to seat and crimp in one operation. The full-length sizer die brings cases to SAAMI minimum cartridge dimensions, with venting designed to help prevent case damage from trapped air or excessive lubricant and to help maintain minimum headspace tolerances during sizing.
Product Highlights
- Two-die set for bottleneck rifle cartridge reloading in .257 Roberts (Group A).
- Full-length sizer die sizes the case body, deprimes, and expands the neck for bullet seating.
- Seater die includes a bullet seater plug plus built-in roll crimp to seat and crimp efficiently.
- Designed to size to SAAMI minimum cartridge dimensions for consistent chambering.
- Standard 7/8-14 thread compatibility for use with common reloading presses.
Specs
- Brand: RCBS
- Manufacturer Part Number: 12501
- UPC: 076683125019
- Cartridge/Caliber: .257 Roberts
- Die Set Type: Full-Length 2-Die Set (Sizer/Seater)
- Included Dies: Full-Length Sizer Die w/ Expander-Decapping Unit; Seater Die w/ Bullet Seater Plug
- Crimp Type: Roll crimp (built into seater die)
- Thread: 7/8-14
- Series/Group: Group A
- Intended Use: Reloading bottleneck rifle cases
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