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Picking a muzzle device usually means choosing between flash suppression and recoil control. The Precision Armament AFAB (Advanced Flash Arresting Brake) was built to hand you both in a single unit. It runs a patented network of tiny internal passageways that diffuse and cool combustion gases as they leave the barrel, which knocks down muzzle flash while keeping the gun flat during fast strings of fire. Threaded 1/2×28, it drops right onto standard 5.56 NATO and .223 Remington AR-15, M16, and M4 style barrels.
This is a true hybrid, not a flash hider with a couple of ports drilled in. The matrix of passageways does the flash work while the venting geometry handles compensation, so you get reduced flash signature and noticeably less muzzle rise out of the same device. There's also a fully closed bottom, which cuts down on the dust kick-up when you're shooting from the prone position. That's a detail most shooters appreciate the first time they run it off the ground.
The AFAB is precision machined from heat-treated 400-series stainless steel and finished with a high-temperature Ionbond CrCN coating. That combination shrugs off the heat and corrosion that come with a muzzle device living right at the gas blast. It measures 2.225 inches long, 0.865 inches in diameter, and tips the scale right around 3 ounces, so it adds presence without turning the front of your rifle into a boat anchor.
Because this is a ported, baffle-style device, Precision Armament recommends against crush washers and instead calls for their Accu-Washer shim alignment system (sold separately) to get the ports timed dead-on. Proper timing matters here for both performance and clean bullet clearance, and a quality shim system makes that job quick. Expect a short break-in period of roughly 20 rounds as the internal surfaces smooth out and the device settles into peak performance.
Yes, as long as your barrel is threaded 1/2×28, which is the standard for 5.56 NATO and .223 Remington AR-15, M16, and M4 style rifles. The AFAB is cut specifically for .22 caliber bores, so it works with 5.56, .223, and similar .224 projectiles. Just confirm your muzzle threads before ordering.
It's genuinely both, which is the whole point of the AFAB design. The internal matrix of passageways cools and diffuses gas to suppress flash while the venting works as a compensator to keep the muzzle flat. You're not choosing one function over the other with this device.
Precision Armament advises against crush washers for this brake. Because it's a ported, baffle-style device, the ports need to be timed correctly, and a crush washer can leave it misaligned. The company recommends their Accu-Washer shim alignment system (sold separately), though a quality peel washer or multi-shim system also works.
There's a short break-in of roughly 20 rounds that clears any internal burrs and lets the device reach optimal performance. After that, it settles in and runs as designed. It's a quick process that happens during normal range use.
| UPC | 810112080520 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | A04424 |
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