Brownells Delrin Ring Reducer, 30Mm To 26Mm

The Brownells Delrin ring reducer adapts 30mm scope tubes to fit 26mm scope rings, solving a common mounting mismatch without permanent modification. If you've got a quality scope in the larger 30mm diameter but your rings are sized for 26mm tubes—or vice versa—these reducers bridge that gap cleanly. Made from durable Delrin (acetal copolymer), they won't mar your optics or rings, and they won't degrade performance. The matte black finish integrates seamlessly with your gear.

Installation is straightforward: the sleeves are split lengthwise, so you simply drop them onto your scope tube and close them around it. No permanent alterations, no secondary rings required. They work with virtually any brand of scope ring on the market, making them a practical solution whether you're swapping optics between rifles, troubleshooting a mixed-size mounting setup, or building a new rifle with components on hand.

This kit includes both front and rear reducers, giving you everything needed for a complete 30mm-to-26mm adapter installation. Delrin is a proven material for scope work—it's rigid enough to hold position yet yielding enough to protect your scope's finish from the clamping pressure of rings. If ring size mismatch is keeping a scope from fitting your setup, these reducers eliminate the headache.

Key Features

• Converts 30mm scope tubes to fit 26mm rings
• Split-sleeve design for simple drop-on installation
• Delrin construction resists marring and scratching
• Matte black finish blends with any rifle and optic
• Compatible with all major ring brands and models
• Front and rear pair included for complete setup

Frequently Asked Questions

Will these reducers work with my scope rings?

Yes. The Brownells Delrin ring reducer is designed to work with virtually any brand of scope ring in the 26mm size, making it compatible with rings from all major manufacturers.

What's included in this kit?

This is a front-and-rear-ring kit, meaning you get both the front and rear reducers needed to mount your 30mm scope in 26mm rings.

Can I install these reducers without tools?

Yes. The sleeves are split in half, allowing you to place them on your scope tube and close them around it by hand—no special tools required.

Will Delrin reducers damage my scope finish?

No. Delrin is a soft, non-marring material designed specifically to protect optics. It won't scratch or damage your scope tube or the inside of your rings.