Griffin Armament HUB HRT-556 AM 5.56mm Suppressor

Overview

The Griffin Armament HUB HRT-556 AM is an ultra-low-backpressure 5.56mm suppressor engineered for demanding use. Its additively manufactured Nickel 625X core provides excellent high-temperature durability, while the HUB-compatible rear interface allows flexible mounting on compatible rifle platforms. The suppressor is designed to reduce sound, flash, recoil impulse, and gas blowback while maintaining accuracy.

Key Features

• Ultra-low-backpressure design benefits both left- and right-handed shooters
• Additively manufactured Nickel 625X superalloy core
• High-performance flash-hider end cap
• Laser-welded core and machined rear for warranty serviceability
• Designed for minimal point-of-impact shift
• Full-auto rated for demanding firing schedules
• Perpetual Lifetime Warranty from Griffin Armament

Specifications

• Manufacturer: Griffin Armament
• Model: HUB HRT-556 AM
• Type: Rifle suppressor
• Caliber: .22 caliber / 5.56mm
• Mounting Interface: HUB, 1.375×24
• Materials: 17-4 H900 stainless steel and Nickel 625X
• Length: 5.55 inches
• Diameter: 1.5 inches
• Weight: 14.0 ounces
• Sound Reduction: 36.6 dB
• Full-Auto Rated: Yes

MPN: GAHUBHRTAM-W

UPC: 631465977295

Applications

Ideal for 5.56 NATO rifles, carbines, range training, duty-oriented builds, and hard-use platforms where low backpressure and reliable sound and flash reduction are priorities.

Additional Features

The universal HUB rear interface accepts Griffin Armament HUB adapters and compatible third-party inserts, allowing users to configure the suppressor for their preferred mounting system. Each suppressor includes a branded Griffin silencer pouch.