AAC BLACKOUT FH 1X16LH 7.62 5/8X24

The Advanced Armament Corp (AAC) Blackout FH is a suppressor-ready muzzle device built for shooters who run suppressors as part of their actual shooting setup, not as a safe queen accessory. This 7.62-caliber flash hider uses a 1x16 left-hand threaded mount with a precision taper interface—the kind of interface serious suppressor users rely on for zero-shift repeatability and solid lock-up shot after shot. If you're threading cans onto your rifle and need a brake that stays married to your barrel under real firing schedules, this is engineered for exactly that job.

The tapered mounting system is the backbone here. Unlike standard parallel threads, a taper interface creates a mechanical lock that doesn't depend on pure thread friction to hold zero. That means you can suppress, unsuppress, and re-suppress your rifle with confidence that your point of impact won't walk. The left-hand 1x16 threads match a wide range of suppressor mounts, making it compatible with most quality cans in the 7.62 NATO/.308 space.

Built for 5/8x24 threaded barrels, the Blackout FH fits standard AR-10 uppers, bolt guns, and other rifle platforms that use this common thread pitch. It's not overstuffed with gimmicks; it's a straightforward, compact flash hider that does one job well: provide a reliable mounting point for a suppressor and manage flash when you need it to.

Key Features

• 1x16 left-hand threaded suppressor mount with precision taper interface
• Precision taper interface ensures repeatable zero and secure lock-up
• Designed for suppressed fire and real-world shooting schedules
• 5/8x24 barrel thread compatibility for common rifle platforms

Specifications

Frequently Asked Questions

What suppressors work with the AAC Blackout FH 1x16?

This muzzle device is compatible with suppressors featuring 1x16 left-hand threaded mounts. Check your suppressor's mount specifications to confirm compatibility before purchase.

Will this fit my AR-10 or .308 bolt gun?

Yes, if your barrel is threaded 5/8x24. This is the standard thread pitch for most AR-10 uppers and bolt-gun barrels in 7.62 NATO. Verify your barrel's thread pitch before ordering.

What is a taper-thread interface and why does it matter?

A taper interface is a cone-shaped mechanical lock that creates a tight, repeatable connection between the muzzle device and suppressor mount. It doesn't rely solely on thread friction to hold zero, so you can mount and unmount your suppressor multiple times while maintaining point-of-impact consistency—critical for hunters and shooters who suppress and unsuppress regularly.

Is this a flash hider or a brake?

This is a flash hider designed around suppressor mounting. Its primary function is to serve as a suppressor interface; flash reduction is a secondary benefit of its design.