May 4th, 2011

Whitley Offers 6mmBRX Redding Sizing and Seating Dies

The 6mmBRX (6BRX) is an outstanding cartridge that has set world records and harvested many trophies. Just last week Peter White used his 6BRX to win the NBRSA 600-yard Nationals convincingly. Peter loves his 6BRX, but he has one gripe — he must use two different dies to size his cases because a standard 6mmBR die won’t reach down far enough. White uses a .308 Win or .243 Win die to size the bottom of his 6BRX case then finishes up with his 6mmBR FL bushing die.

Redding 6BRX Dies Available Soon
Now 6BRX shooters have a single-step solution — Redding 6BRX dies. Robert Whitley has commissioned a special run of Redding 6BRX dies. Robert will offer a Redding Type ‘S’ full-length sizing die that will size the whole case, with bushing control over the neck. What’s more, Redding 6BRX micrometer-top Comp Seaters will also be available. Robert, who runs 6mmAR.com, expects these special-order Redding 6BRX dies to arrive within a few weeks. This is a very limited run of 6BRX dies, and Redding is not currently selling them through other sources. So if you want a Redding 6BRX Type ‘S’ FL sizer or Comp Seater die, you’d better contact Robert soon. Order through:

AR-X Enterprises, LLC (Attn: Robert Whitley)
Phone: (215) 348-8789
Email: rcw3 [at] erols.com

6BRX Cartridge Basics
The 6BRX is a modified version of the 6mmBR Norma case. The 6BRX has the shoulder blown forward about 0.100″, but it retains the same 30° shoulder angle of the parent case, and the same sidewall angle. You can use “normal” 6mmBR dies for the 6BRX — that’s one of its appealing factors — but the 6mmBR full-length sizer will miss part of the bottom of the case down near the web.

To compensate for this, many 6BRX shooters full-length size their brass first with a .308 Win or .243 Win FL Die, and then switch to a 6BR die. That system works, but it creates unnecessary steps. With a dedicated 6BRX sizing die, you can size the whole case in one pass, so you don’t need to use two dies. The $89.95 Redding Type ‘S’ Full-length bushing die sold by Whitley is one-die sizing solution that works. Whitley will also offer a package of the 6BRX Type ‘S’ FL sizing die plus a Redding Comp Seater for $199.95. That gives you a complete set of dies for your 6BRX wildcat.

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