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Faxon's Match Series is where their in-house barrel making really shows off, and this 20-inch Heavy Fluted model is a strong pick for anyone building an AR-15 with reach. It's machined from 416R stainless steel, chambered in .223 Wylde, and cut with 5R button rifling in a 1:8 twist. That combination gives you real flexibility at the range, letting you run light 55-grain loads and heavier match projectiles up to the mid-70s without swapping barrels.
The .223 Wylde chamber is the smart middle ground between a tight .223 Remington and a looser 5.56 NATO chamber. You get the accuracy edge of a match chamber while still safely running 5.56 pressures, so you're not stuck babying it with expensive ammo only. The 5R rifling helps here too, since its geometry reduces jacket deformation and cuts down on fouling, which means better velocity consistency and a bore that scrubs clean with less effort.
The Heavy Fluted contour is the standout feature. Fluting adds stiffness and increases surface area for cooling while trimming weight compared to a straight heavy barrel, so you keep the rigidity that helps accuracy without lugging around a boat anchor. During extended strings of fire, that extra cooling surface helps hold your point of impact instead of letting things drift as the barrel warms up. The 20-inch length also squeezes out more velocity and gives you a longer sight radius if you're running irons.
Every Match barrel gets salt bath nitride treatment inside and out, which locks in the bore, fights corrosion, and stretches barrel life. The M4 barrel extension is coated in nickel Teflon for added lubricity and a tighter fit against the receiver, which supports smoother feeding and more repeatable accuracy. Faxon backs it up with real quality control too, since each barrel is stress relieved, air-gauge tested, MPI inspected, and headspace verified before it ships. It comes set up with a rifle-length gas system, a .750 gas block journal, an 11-degree target crown, and 1/2×28 muzzle threads.
Yes. The .223 Wylde chamber is a hybrid designed to run both cartridges, giving you match-grade accuracy with .223 Remington while safely handling 5.56 NATO pressures. That flexibility means you can practice with common 5.56 and load up match ammo when it counts.
The 1:8 twist is one of the most versatile options for .223/5.56 and stabilizes a wide range of projectiles. In practice it handles light 55-grain loads through heavier match bullets in the mid-70-grain range, making it a solid all-around choice for both plinking and precision work.
This 20-inch barrel is set up with a rifle-length gas system, which suits the longer barrel for smooth, softer cycling. It uses a .750 gas block journal, so you'll want a matching .750 gas block for your build.
It does. The fluting increases stiffness and adds surface area for better heat dissipation while trimming weight compared to a full heavy contour. That means you keep the rigidity that aids accuracy and the barrel sheds heat faster, helping hold your point of impact during longer strings of fire.
| UPC | 816341023185 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 15BW8R20FHQ-5R-NP3 |
| Barrel Length | 20" |
| Caliber/Gauge | .223 Wylde |
| Color | Black |
| Length | 20'' |
| Model | |
| Product Type | Barrel |
| Sights | No |
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