Home / Class 3 Firearms, NFA & Destructive Devices / Silencers & Suppressed Firearms / YANKEE HILL MACHINE COMPANY RESONATOR 300BLK UPPER YANKEE HILL MACHINE COMPANY RESONATOR 300BLK UPPER$1,299.00 YANKEE HILL MACHINE COMPANY RESONATOR 300BLK UPPER Out of stock SKU: LIP|YHM-7135 Category: Silencers & Suppressed Firearms Tag: Online Only Brand: Yankee Hill MachineProduct ID: 99461 Related products GEM SUPPRESSOR ABYSS 7.62 5/8X24 DT $635.96 View Details SUREFIRE SUPPRESSOR SOCOM 7.62 BLK $1,439.00 View Details Savage AC30 B.O.B. (Back Over Barrel) Direct Thread Suppressor .30 Cal 5/8″-24 Black $744.24 View Details GEMTECH ABYSS 5.56MM SILENCER DT $612.74 View Details