The Redding 6mm BR Remington (Norma BR) Premium Series Full Length 2-Die Set (MPN: 66317) is precision reloading equipment engineered to resize brass cases back to factory dimensions and seat .243-inch projectiles with micrometer accuracy. Designed for precision rifle handloaders, this two-die set pairs a full-length sizing die equipped with a free-floating carbide expander button with a dedicated seating die featuring a Bullet Seating Micrometer. Built on industry-standard 7/8"-14 thread pitch, the set operates on standard mechanical reloading presses without requiring proprietary mounting hardware.

Key Features

• Two-Die Configuration: Includes a full-length sizing die that resets the entire case body and headspace to factory specifications, paired with a standard bullet seating die.
• Free-Floating Carbide Sizer Button: Self-centres inside the case neck during the sizing stroke to minimise runout, improve concentricity, and reduce internal neck friction without requiring inside-neck lubrication.
• Bullet Seating Micrometer: Top-mounted micrometer head calibrated in direct 0.001-inch graduations enables exact, repeatable adjustments to cartridge overall length (COAL) and seating depth.
• Mechanical Compatibility: Machined with standard 7/8"-14 threads to fit standard Australian single-stage, turret, and progressive reloading presses.

Specifications

• Manufacturer Part Number (MPN): 66317
• Calibre Compatibility: 6mm BR Remington / 6mm Norma BR (.243 inch bullet diameter)
• Press Thread Standard: 7/8"-14 thread pitch
• Shellholder Compatibility: Redding Shellholder #1 or Competition Shellholder #1 (sold separately)
• Seating Adjustment Increments: 0.001-inch direct graduations
• Power Requirements: Non-powered / purely mechanical operation

Who is the Redding 6mm BR Premium Series Full Length Die Set for?

• Precision benchrest shooters — who require exact bullet seating depth control down to 0.001-inch direct micrometer graduations using this 6mm BR reloading die set to eliminate seating drift across competition match loads.
• Varmint hunters — who need full-length resizing to factory headspace dimensions on standard 7/8"-14 reloading presses for reliable feeding and chambering across tight factory or custom 6mm BR rifle actions.
• Mid-range target shooters — who use 7/8"-14 single-stage or turret presses to handload 6mm BR Remington cartridges with reduced case neck runout via the free-floating carbide expander button.

Less suitable for: Handloaders seeking custom neck-tension control without working brass as hard, who are better served by a bushing-style sizing die (such as a Type S bushing die), or shooters seeking to preserve fireformed brass for a single dedicated bolt-action chamber, who require a 3-die set featuring a dedicated neck sizing die.