Alleycat 1/2-28 Spooky 1 A1 Fh Blk

The Alleycat Spooky 1 A1 flash hider in 1/2-28 is a purpose-built muzzle device engineered for shooters running Alleycat suppressors on 5.56mm rifles. This quick-detach flash hider uses a proprietary interface that's optimized to work seamlessly with Alleycat suppressors, managing gas flow and back pressure to maximize suppressor efficiency and reduce flash signature. If you're running a suppressed 5.56 and want a mount that's both solid and fast to detach, this is built for that job.

The geometry is dialed in specifically to regulate internal pressure and flow dynamics across different rifle platforms. That attention to detail translates to a more consistent shooter experience—smoother operation, better suppression performance, and easier handling when you need to swap the can. The Spooky 1 A1 is machined from 4140 steel with a black nitride finish, so it'll hold up to hard use and stay corrosion-resistant in variable conditions.

Installation is straightforward: it's a direct-thread mount with 1/2x28 TPI (the standard for most modern 5.56 platforms). At 1.88 inches overall length and adding 1.26 inches to your barrel, it's compact enough to keep your rifle's profile reasonable while delivering the flash reduction you need downrange. Weight comes in at 2.7 ounces—minimal impact on your gun's balance.

Key Features

• Quick-detach interface optimized for Alleycat suppressor mounting
• Proprietary geometry engineered to regulate gas flow and back pressure
• 4140 steel construction with black nitride finish for durability and corrosion resistance
• 1/2x28 direct-thread attachment for 5.56mm rifles
• Compact profile with minimal added length (1.26 inches)
• Lightweight at 2.7 ounces

Specifications

Frequently Asked Questions

Will this work with suppressors other than Alleycat?

The Spooky 1 A1 is engineered specifically as a quick-detach interface for Alleycat suppressors. While the 1/2x28 thread will physically mount other cans, the QD mounting system is proprietary to Alleycat and optimized for that ecosystem. For best performance and reliability, pair it with an Alleycat suppressor.

What rifles does the 1/2x28 thread pattern fit?

The 1/2x28 TPI is the standard thread pattern for most modern 5.56mm rifles, including AR-15 platforms. If your rifle's barrel is already threaded 1/2x28, this will install directly. Always verify your specific barrel's thread pitch before ordering.

How much length does this add to my rifle?

The Spooky 1 A1 is 1.88 inches overall and adds 1.26 inches to your barrel length. It's compact enough to keep your gun handy while still providing the flash reduction benefits when paired with a suppressor.

Is this a flash hider only, or does it have a suppressor mount?

It's a flash-hiding muzzle device with a quick-detach suppressor mount interface built in. It functions as both—the flash reduction geometry works on its own, and when you attach an Alleycat suppressor via the QD system, the gas-regulating design enhances suppression performance.