Yankee Hill Resonator 300BLK Upper | 10in BBL

The Yankee Hill Machine Resonator 300BLK Upper is an integrally suppressed upper assembly designed for .300 AAC Blackout. It combines a resonator-style integral silencer with a pinned-and-welded 10″ barrel and a matte black finish. Constructed using 17-4 Ph stainless steel baffles with Cobalt6 treatment, the unit is an NFA-regulated silencer upper intended for lawful sporting use. Typical applications include reduced-noise range training and precision suppressed varmint or small-game work.

Product Specifications

• The product weighs 4.38 lbs..
• The product type is classified as NFA – Silencer.
• The ATF type is listed as Silencer.
• The ATF model is Resonator.
• The ATF manufacturer is YHM.
• The NFA Form 3 caliber is 300BLK.
• The caliber/gauge is .300 AAC Blackout.
• The material is 17-4 Ph SS/Cobalt6 BlastBaffle.
• The unit can be disassembled: False.
• The finish is Matte Black.
• An additional feature is Integrated Turbo Silencer.
• An additional feature is Pinned and Welded to 10″ BBL.
• The overall length is 23″.
• The product is drilled and tapped: False.
• The UPC is 841812101925.

Compact and purpose-built, the Resonator upper delivers an integrated suppression solution for shooters who require a short, durable package for .300 BLK. Its pinned-and-welded 10″ barrel and stainless baffle stack emphasize longevity and simplified installation for suppressed sporting and range-focused builds.