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The One Horse OH-FH01 is the muzzle device that started it all. This is the tried-and-true A2 birdcage design, the same five-slot pattern that has been running on AR-15s for decades because it simply works. It cuts down the fireball at the muzzle so you keep a clearer sight picture in dim light and during fast strings of fire, all without adding much weight or bulk to the front of your rifle.
It's cut for a 1/2×28 thread pitch, which is the standard for 5.56 NATO and .223 Remington barrels, so it drops right onto the vast majority of AR-15 builds out there. A crush washer comes in the package, which is exactly what you want with an open-cage flash hider. Crush washers are a solid match for A2-style devices since they let you time the muzzle device correctly without needing shims or a special peel washer.
The A2 birdcage isn't flashy, but that's the point. It's the benchmark that most other muzzle devices get compared to. You get real flash reduction, minimal dust signature, and a bit of muzzle rise control in one compact package. For a range rifle, a home-defense build, or a fresh barrel that just needs a proven device up front, this is a no-brainer.
Installation is straightforward if you've done a muzzle device before. Secure the barrel in a vise or reaction rod, slide the crush washer on with the concave side toward the shoulder, then hand-tighten the flash hider before torquing it into alignment. The general rule with a crush washer is to time the device within about a half turn past hand-tight so the slots line up straight up top. A little anti-seize on the threads makes future removal a lot easier.
It's a clean, budget-friendly way to finish off a barrel with a part that has a track record you can count on.
It's threaded 1/2×28, which is the standard thread pitch for 5.56 NATO and .223 Remington AR-15 barrels. That covers the large majority of AR-15 builds. If your barrel is threaded 5/8×24 for a .30-caliber setup, you'll want a different device.
Yes, a crush washer is included in the package. Crush washers are a great fit for an open-cage A2 flash hider like this one, since they let you time the device to line up correctly. Just install it with the concave side toward the barrel shoulder.
Hand-tighten the flash hider onto the crush washer, then use a wrench to torque it until the top slots point straight up. A good rule of thumb is to keep it within about a half turn past hand-tight when crushing the washer. If it won't time correctly in that range, swap in a fresh crush washer.
It vents muzzle gases to reduce the visible flash at the end of the barrel, which helps you keep a clearer sight picture in low light and during rapid fire. The A2 design also cuts down on dust signature and offers a touch of muzzle rise control. It's the long-standing benchmark that most muzzle devices get measured against.
| UPC | 850078799265 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | OHFH01 |
| Caliber/Gauge | .22 Caliber |
| Shipping Weight | 0.162 |
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