The Redding 75648 6mm Dasher Body Die is a precision reloading tool engineered to resize case body dimensions and bump the shoulder back on fired brass without contacting the case neck. Built with an oversized neck cavity, this sleeveless steel die prevents neck work-hardening and runout by isolating the body sizing operation. It operates on standard 7/8"-14 threaded single-stage or turret reloading presses and is designed as a companion tool for dedicated neck-sizing bushing dies, restoring reliable chambering and headspace control for competition-grade 6mm Dasher cartridges.

Key Features

• Shoulder Bump and Body Resizing: Restores factory case body dimensions and resets cartridge headspace by bumping the shoulder 0.001" to 0.003" (0.025 mm to 0.076 mm) without altering case neck geometry.
• Zero Neck Contact: Features an internal cavity specifically relieved to clear the neck entirely, eliminating unnecessary friction and brass working.
• Sleeveless Internal Construction: Designed without internal moving parts, decapping pins, or expander balls to ensure concentricity and repeatable sizing.
• Standard Thread Compatibility: Uses the industry-standard 7/8"-14 thread pattern, fitting standard reloading presses in Australia without requiring specialised adaptors.
• Companion Die Integration: Integrates into multi-step precision reloading setups alongside dedicated Type S or Competition neck-sizing dies.

Product Specifications

• Manufacturer Part Number (MPN): 75648
• Calibre: 6mm Dasher (.243 calibre bullet diameter)
• Die Thread Standard: 7/8"-14
• Shellholder Compatibility: Redding Standard Shellholder #1 (Part #11001) or Redding Competition Shellholder #1 (Part #11601)
• Shoulder Bump Range: 0.001" to 0.003" (0.025 mm to 0.076 mm)
• Approximate Weight: 200 g to 250 g
• Operation Type: Manual, non-powered mechanical die

Who is the Redding 6mm Dasher Body Die for?

• Benchrest competition reloaders — achieves consistent bolt closure on repeatedly fired cases by using this 6mm Dasher body die to reset headspace within a precise 0.001" to 0.003" shoulder bump threshold without disturbing tuned neck dimensions.
• Precision Rifle Series competitors — maintains reliable feeding in rapid-fire stages by running brass through this 6mm Dasher body die on standard 7/8"-14 thread presses to size body diameters separately from neck-tensioning operations.
• F-Class extreme long-range shooters — eliminates neck runout and work-hardening on match-grade 6mm Dasher brass by isolating the 0.001" to 0.003" shoulder bump operation from decapping and expander assemblies.

Less suitable for: Handloaders seeking single-step reloading operations or decapping capability, as this hollow die cannot decap primers or size necks; handloaders requiring simultaneous decapping, neck tensioning, and body sizing should instead use a full-length sizing die with an integrated decapping and bushing assembly. It is also unsuitable for other 6mm variants such as 6mm BR Norma, 6mm BRX, or 6mm GT cases.