Yankee Hill Machine

The Resonator® Integral comes with a Resonator® suppressor which is pinned and welded to a 9.1” .300 BLK barrel. With a combined barrel/suppressor length of just over 16” this system only requires a single tax stamp purchase. Includes a lightweight M-LOK® Handguard YHM Mil-Spec A3 upper receiver and a specially designed gas block which reduces blowback and cycle rates. Does not include Bolt Carrier Assembly or Charging Handle. - Caliber:.300 BLK - Weight: 3.3lbs - Length: 23.5” - Diameter: 1.5625” - Suppressor Construction: 17-4 Ph SS/Cobalt-6 Blast Baffle - Decibel Rating: 127 for .300 BLK subsonic - Full Auto RatedThe Resonator .300 Blackout Integral Suppressed Upper Receiver System Includes: - Resonator® Sound Suppressor Assembly - MR7 M-Lok® 9" Handguard - Flat Top A3 Upper Receiver Assembly (YHM-100) - Low Profile Suppressor Gas Block (YHM-9389-SS) - Black Plated Gas Tube (YHM-BL-04P)