The Yankee Hill Machine Turbo K-RB is a 5.56 NATO-rated quick-detach suppressor built for rigorous use. It uses a tubeless, heat-treated 17-4 stainless steel construction with a heat-treated blast baffle and ships with a Phantom 1/2″ x 28 Q.D. adapter and a Q.D. muzzle brake. The Turbo K-RB is designed for compatibility with common HUB-style mounting options and is full-auto rated.

Key Specifications

• The caliber is listed as .223 REM / 5.56 NATO.
• The overall length is 4.90 inches.
• The outside diameter is 1.5625 inches.
• The thread pattern for the included adapter is 1/2″-28 tpi.
• The suppressor ships with a Phantom Q.D. adapter (1/2″ x 28) and a Q.D. muzzle brake.
• Construction uses heat-treated 17-4 stainless steel for the body.
• The finish is listed as matte black.
• The published average sound pressure level is 138 dB (reported on a 16″ AR with 55 gr ammunition).
• The unit is full-auto rated.

The Turbo K-RB balances rugged materials and a compact footprint for users who need a durable, serviceable suppressor compatible with common QD mounting options. Its tubeless design and included Phantom adapter make it a practical choice for duty, competition, or range use where reliable suppression and reduced blowback are priorities.