Redding Primer Pocket Uniformer - Large Rifle

Precision reloading starts with uniform primer pockets, and the Redding Primer Pocket Uniformer for Large Rifle is a serious tool for shooters who demand consistency in their handloads. Whether you're prepping once-fired brass or building fresh cartridges, this carbide uniformer ensures every primer pocket is cut to the same depth—a detail that matters when you're chasing tight velocity spreads or optimizing ignition consistency. The five-flute cutting geometry produces a smooth, flat bottom without chatter, and the shoulder ground into the carbide bit itself locks the cut depth to SAAMI spec, eliminating guesswork and the need for constant depth adjustments.

This is purpose-built for large rifle primer pockets and comes as a complete kit: the carbide uniformer bit, a Redding accessory handle to hold it, and a quarter-inch hex power screwdriver adapter so you can chuck it into a handheld drill or a reloading press–mounted drill station. That flexibility means you can work at your bench however you prefer, whether that's hand-drilling a few dozen cases or running a powered setup for bulk prep. Redding's carbide construction stands up to the repetitive work without dulling, making this a one-time investment for your reloading operation.

Primer pocket uniforming often gets overlooked by newer reloaders, but it's a foundational step for consistent ignition—especially important for precision rifle, competitive shooting, or any reload where performance predictability matters. If you're already investing time in sorting brass and loading quality ammunition, this tool ensures your primer pockets aren't introducing variance into the equation.

Key Features

• Five-flute carbide cutting geometry for smooth, chatter-free uniforming
• Shoulder-ground depth control holds cuts to SAAMI specification
• Sized for large rifle primer pockets
• Complete kit includes handle and quarter-inch hex power adapter
• Carbide construction resists dulling through extended use

Specifications

Frequently Asked Questions

Will this work for small rifle or small pistol primer pockets?

No—this uniformer is sized specifically for large rifle primer pockets. Redding makes separate uniformers for small rifle and small pistol applications.

What's included in the kit?

You get the carbide uniformer bit, a Redding accessory handle, and a quarter-inch hex power screwdriver adapter so you can attach it to a handheld drill or a powered reloading station.

Can I use this with a handheld power drill?

Yes—the quarter-inch hex adapter allows you to chuck it into any standard drill or drill press. You can also mount it in a reloading press–mounted drill station for higher-volume prep work.

How long does the carbide bit stay sharp?

Carbide is much harder than steel and resists dulling far longer. You can uniform hundreds of cases before considering replacement.