YHM Turbo K-RB 5.56 Suppressor | 1/2×28 Q.D. Adapter

The Yankee Hill Machine Turbo K-RB is a tubeless suppressor designed for 5.56 use and intended for rigorous service. It uses heat-treated 17-4 stainless steel construction with a heat-treated blast baffle made of Inconel 718 and ships with a 1/2 x 28 Phantom Q.D. adapter and Q.D. flash hider. The design is described by the manufacturer as full-auto rated and engineered to reduce blowback relative to the previous Turbo model.

Product Specifications

• The caliber is reported as 5.56 NATO.
• The finish is listed as Black Nitride.
• The thread pattern is 1/2X28.
• The suppressor uses a tubeless design with heat-treated 17-4 stainless steel and an Inconel 718 blast baffle.
• The unit ships with a 1/2 x 28 Phantom Q.D. HUB adapter included.
• The product is listed as Full-Auto Rated.
• The manufacturer lists a decibel rating of 138 dB.
• The length is reported as 4.6 inches (standard) and 5.5 inches with adapter.
• The weight is reported as 8.7 oz without adapter and 11.5 oz with adapter.
• The manufacturer documentation references a minimum barrel length for 5.56 NATO as 10 (minimum barrel length).
• The mounting adapter listed is the Phantom Q.D. (YHM-2007 / YHM-2146).
• The UPC is 841812101721.

The Turbo K-RB is positioned for shooters who need a durable, full-auto-rated 5.56 suppressor with reduced backpressure compared to prior Turbo models. Its heat-treated stainless construction and Inconel blast baffle are intended for longevity under demanding use, while the included Q.D. adapter provides common mounting flexibility for 1/2×28 threads.

NTOA members have tested and recommended this model in 2023, a noted endorsement in the available product materials.

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