Yankee Hill .300 BLK Resonator Integral Suppression System Upper Receiver Group

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 Rated

The 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)