The HUB HRT-5K AM is a compact 5.56mm suppressor from Griffin Armament, adapted from the work Griffin did to develop its full-size HRT-556 AM. It is built from Griffin's proprietary Nickel 625X powder alloy using SLM additive manufacturing, and Griffin reports about 68% higher yield and tensile strength in testing than additively manufactured INCONEL 625 at 1200°F. The ultra low backpressure baffle system is designed to reduce gas blowback, which benefits both right-handed and left-handed shooters. The printed core is laser-welded to a machined rear section, so the suppressor can be serviced under warranty.

The rear uses the industry-standard HUB mounting interface with 1.375x24 threads, so you can pick the mounting system that fits your setup. It works with Griffin's own HUB Mount Interfaces as well as inserts from other manufacturers. A low backpressure flash hider end cap finishes the front of the suppressor. The body is stainless steel with nickel alloy baffles in a black finish, and the suppressor is covered by Griffin's Perpetual Lifetime Warranty.

• Brand: Griffin Armament
• Model: HUB HRT-5K AM
• Caliber: 5.56mm
• Mount: HUB-compatible, 1.375x24
• Body Material: Stainless Steel
• Baffle Material: Nickel 625X alloy (additive manufactured)
• Finish: Black