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The One Horse OH-FH02 is a classic A2 birdcage flash hider sized for .30 caliber barrels with 5/8-24 threads. It's the design the military settled on decades ago and stuck with for good reason: it knocks down visible muzzle flash so you keep a clear sight picture in low light or during fast follow-up shots. If you're finishing a .300 Blackout upper or any .30 caliber AR build, this is the no-drama option that just works.
The five-slot birdcage layout vents gases up and to the sides while leaving the bottom closed. That closed bottom matters more than people think, since it keeps you from kicking up a dust cloud when you're shooting prone. Cooling and spreading those burning gases is what tames the flash, and the A2 pattern has been doing that job reliably longer than most of the fancier devices on the market.
This one is cut for 5/8-24 threads, which is the standard pitch for .30 caliber and .300 Blackout barrels, so double check your muzzle threads before ordering. A crush washer comes in the package, and you'll use it to time the device so the closed slot lands at the bottom. Snug it up with an armorer's wrench on the flats and you're set.
Most A2-style hiders in this class are machined from steel and wear a phosphate finish that shrugs off corrosion and heat, and this one follows that proven recipe. It's a straightforward, budget-friendly muzzle device that does exactly what it promises without adding weight or complication to your rifle. For a first build or a spare parts bin, it's hard to go wrong with the tried-and-true birdcage.
It's threaded 5/8-24, which is the common pitch for .30 caliber and .300 Blackout AR barrels. Check the threads on your muzzle before ordering to make sure they match. If your barrel is 1/2-28, you'll want the 5.56 version instead.
Yes, a crush washer is included in the package. You'll use it to time the device so the closed slot sits at the bottom, then torque it down with an armorer's wrench on the flats. No extra parts needed to get it installed.
The A2 birdcage is built to reduce visible muzzle flash rather than recoil, so it keeps your sight picture clear in low light without the loud side blast a brake throws. The closed bottom also stops you from stirring up dust when shooting prone. It's a lightweight, proven pick for general-purpose builds.
Absolutely. The .30 caliber bore and 5/8-24 threads make it a natural fit for .300 Blackout uppers along with other .30 caliber platforms. It's one of the go-to finishing touches for that kind of build.
| UPC | 850078799272 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | OHFH02 |
| Caliber/Gauge | .30 Caliber |
| Shipping Weight | 0.141 |
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