Yankee Hill Machine

The Turbo® K-RB Integrally Suppressed Upper Receiver Group provides a host of benefits in a single package. The Turbo® K-RB Integral comes with a Turbo® K-RB suppressor which is pinned and welded to a 11.5” 5.56mm 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 cyclic rates. Does not include Bolt Carrier Assembly or Charging Handle. - Caliber: 5.56mm - Weight: 3.6 lbs. - Length: 23.5” - Diameter: 1.5625” - Suppressor Construction: 17-4 Ph SS/Cobalt-6 Blast Baffle - Decibel Rating: 134 dB 5.56mm - Full Auto RatedTurbo® K-RB Integral Suppressed Upper receiver group contains: - Integral Turbo® Sound Suppressor Assembly - 10" MR7 M-Lok® Handguard - Flat Top A3 Upper Receiver Assembly (YHM-100) - Low Profile Suppressor Gas Block (YHM-9389-SS) - Black Plated Gas Tube (YHM-BL-04A)