Yankee Hill Machine Co RESONATOR 300BLK UPPER .300 BLK

The Resonator® Integral Upper Receiver System from Yankee Hill Machine Co features a Resonator® suppressor that is pinned and welded to a 9.1-inch .300 BLK barrel, providing reduced noise output. This system has a combined barrel/suppressor length of just over 16 inches, making it suitable for use with a single tax stamp purchase. The upper receiver includes a lightweight M-LOK® handguard and a specially designed gas block that reduces blowback and cycle rates. It also comes equipped with a YHM Mil-Spec A3 upper receiver and a black plated gas tube. This system is full auto rated, making it ideal for high-performance applications. Key features include:

– Caliber: .300 BLK
– Weight: 3.3 lbs (52.8 oz)
– Length: 23.5 inches
– Diameter: 1.5625 inches
– Suppressor Construction: 17-4 Ph SS/Cobalt-6
– Decibel Rating: 127 for .300 BLK subsonic
– Includes Resonator® Sound Suppressor Assembly, MR7 M-Lok® Handguard, Flat Top A3 Upper Receiver Assembly (YHM-100), Low Profile Suppressor Gas Block (YHM-9389-SS), and Black Plated Gas Tube (YHM-BL-04P)

Note: This system does not include a Bolt Carrier Assembly or Charging Handle.