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CMC Triggers is a Texas family-owned manufacturer known for building quality aftermarket gun parts, and this 16-inch AR barrel shows their commitment to the craft. Built from 4150 Chrome Moly Vanadium steel, it's the same material spec used in military rifles, which means you get proven durability that can handle real-world use without complaints.
The 1:7 twist rate is one of the most versatile choices for the 5.56 platform. It stabilizes everything from lightweight 55-grain rounds all the way up to heavier 77-grain match ammunition, giving you flexibility in what you shoot. At 16 inches, this barrel length hits the sweet spot for 5.56 velocity and handling. You're looking at a setup that stays effective out to practical distances for general-purpose use, competition, or training without being cumbersome to work with.
The black finish protects the steel underneath and looks clean on any build. This barrel is designed as a drop-in replacement for standard AR upper assemblies, meaning it works with your existing receiver and components. If you're rebuilding an upper or starting fresh, this barrel accepts standard AR barrel nuts and uses the typical 1/2-inch by 28 thread pattern for muzzle devices.
Swapping barrels is a job most builders can handle with basic tools and patience. You'll need a vice, upper receiver block, torque wrench, and an armorer's wrench to do it right. Proper torque specs run between 30 to 80 foot-pounds depending on your setup, and taking time to seat the threads correctly prevents headaches down the road. If you're new to it, the straightforward design of AR barrels makes learning the process a solid investment in skills you'll use for future builds.
The 1:7 twist handles a wide range of ammunition weights, from standard 55-grain rounds to heavier 77-grain match loads. This versatility makes it a solid choice whether you're shooting affordable surplus ammo or match-grade rounds for competition or precision work.
No, this is the barrel itself only. You'll need to source a barrel nut, handguard, gas block, and gas tube separately. Most AR builders already have these components on hand, but make sure everything is compatible with standard AR-15 uppers before ordering.
Proper barrel installation requires a bench vice, an upper receiver block (essential for protecting your receiver), a torque wrench, and an armorer's wrench to fit your barrel nut. Never try to install a barrel without these tools, as improper installation can damage your upper receiver or compromise function.
Yes, 16 inches is the most practical length for a general-purpose AR. You get solid 5.56 velocity, manageable handling, and a length that works well for most shooters in hunting, sport shooting, and training scenarios. It's been the standard for a reason.
| UPC | 850040016949 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | BBL556003 |
| Length | 16" |
| Model |
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