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The .350 Legend has become a go-to for whitetail hunters who want big-bore knockdown on a familiar AR platform, and this Faxon Duty Series barrel is one of the cleaner ways to get there. It's a 16" carbine-length setup machined from 4150 CMV steel, chambered and button rifled with a 1:16 twist that's dialed in for the heavier .357 diameter bullets this cartridge throws. Nitride treatment inside and out keeps corrosion at bay and stretches barrel life, which matters when you're dragging a rifle through wet woods every fall.
The Gunner profile is Faxon's answer to the age-old tug-of-war between a heavy Gov't barrel and a whippy pencil barrel. It keeps the meat near the chamber where you want the stiffness, then trims weight out toward the muzzle. The result is a rifle that balances back toward your body, so it points fast and doesn't wear you out after a long sit or a full afternoon at the range. For a hunting build, that handling really shows up when you need a quick shot on a moving deer.
One of the nicest parts about swapping to .350 Legend is how little else changes. You can run your standard 5.56 bolt carrier group, buffer, and spring, so the main additions are the barrel and .350 Legend magazines. The muzzle comes threaded 1/2×28, the most common AR-15 thread pitch, so your existing brakes, flash hiders, and most cans thread right on. A carbine-length gas system keeps things simple and reliable.
Every Faxon barrel is made start to finish in-house in Cincinnati, Ohio. Each one gets fully stress relieved, air-gauge tested, MPI inspected, and finished with an 11-degree target crown to squeeze out consistent accuracy. It's a workhorse barrel that punches well above its weight, whether you're topping off a fresh build or breathing new life into an older upper.
No, the .350 Legend uses the same rim diameter as .223/5.56, so a standard 5.56 bolt carrier group works just fine. That's a big part of the appeal, since you can reuse your existing BCG, buffer, and spring. The main thing you'll need beyond the barrel is a set of .350 Legend magazines, which are made specifically for the straight-wall case.
This is a 1:16 twist, which is the standard for .350 Legend and is tuned to stabilize the common 145 to 180 grain .357 diameter bullets. It handles the popular Winchester and Federal deer loads well. If you ever venture into heavy subsonic loads you'll want to confirm stabilization, but for typical hunting ammo the 1:16 is right where it should be.
Yes, the muzzle is threaded 1/2×28, which is the most common thread pitch on AR-15 barrels. That means most flash hiders, muzzle brakes, and suppressors built for that pattern will thread right on. Just double-check bore alignment on any device rated for the larger .350 projectile.
It's one of the better choices for it. The Gunner profile keeps stiffness near the chamber while shaving weight toward the muzzle, so the rifle balances closer to your body and points quickly. That lighter, more agile feel pays off during long sits and fast shots in the field.
| UPC | 816341025264 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 15AL16C16NGQ |
| Caliber/Gauge | .350 Legend |
| Length | 16'' |
| Sights | No |
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