HUXWRX 1677 Flash Hider QD 5.56 | 1/2×28

The HUXWRX 1677 Flash Hider QD 5.56 is a purpose-built muzzle device designed to reduce visible muzzle flash and serve as a quick-detach mount for select Huxwrx suppressors. It fits AR-platform rifles chambered for .223 Rem/5.56 NATO and installs on standard 1/2×28 tpi barrels. Construction and finish focus on serviceable durability for frequent range use and suppressor attachment.

Product Specifications

• The manufacturer is HUXWRX.
• The manufacturer part number is 1677.
• The model is listed as QD 556.
• The UPC is 706433763016.
• The caliber designation is .223 Rem / 5.56 NATO.
• The thread pattern is 1/2×28 tpi.
• The NFA thread pattern is 1/2×28.
• The NFA attachment method is Quick Detachable.
• The finish is Black.
• The frame material is Steel.
• The weight is 3.30 oz.
• The overall length is 2.3 inches.
• The maximum diameter is 1.20 inches.
• The device is compatible with Huxwrx HX-QD and FLOW series suppressors and fits certain Ventum mounts with the HUX HUB adapter.
• The intended firearm type is AR rifle.

Built to industry tolerances and designed around Huxwrx mounting standards, the 1677 QD Flash Hider offers a compact option for shooters who want reduced flash signature and straightforward suppressor attachment. It’s well-suited for range sessions and precision or competitive rifle sports where managing muzzle flash and fast suppressor removal are priorities.

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