Ring Size Reducers

  • Precision Fit: Convert oversized scope rings to standard tube diameters with perfect alignment

  • Expanded Compatibility: Adapt 40mm rings down to 1″, allowing more optic options on one setup

  • CNC Machined: Crafted from durable, high-grade materials for long-lasting reliability

  • Seamless Installation: Quick, secure fit for worry-free use in the field

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Compatibility: SBT01, SBT01/20, SBTFX01, SBTFX01/20
Reduction: 40mm to 1”
Material: Steel

Customer Reviews

“Contessa is one of best in the industry for fit, finish, and overall quality”
Optics Trade (YouTube)
“I believe Contessa is absolutly changing the game on quality and quick detach. Seriously, the most accurate and highest quality quick detach you can have on your gun.”
Rack Talk Chronicles
“You want dead set accuracy? Buy fully machined and harden steel rings and rail combo from Contessa. I trust my life to them in combat. ”
US Defense Contractor