Brownells194200185
Brownells Ar-15 5.56 M4 Barrel Group 16'' 1-7 Twist, Carbine Gas$309.99
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Availability: In Stock
Current Stock: Out of stock
An Anderson Manufacturing 16" AR-15 barrel built for shooters who want solid performance without the premium price tag. This carbine-length barrel comes chambered in 5.56 NATO, handles both 5.56 and .223 Remington ammunition, and sports a 1:8 twist rate suited for a broad range of projectile weights. The M4 contour profile balances weight and handling with practical rigidity, while M4 feed ramps ensure reliable chambering across quality ammunition. A parkerized finish protects against corrosion and gives the barrel that working-gun aesthetic.
Whether you're building a home-defense rifle, a budget-conscious range gun, or a truck carbine, this barrel delivers the essentials. The carbine gas system keeps the operating system responsive and reliable, making it a natural fit for mid-length builds. At 16 inches, you get a compact overall length without sacrificing velocity or sight radius—good for tight spaces and fast handling.
Anderson Manufacturing barrels are a staple in the AR community precisely because they perform at a fair price. This one is no exception: machine-cut from quality steel, parkerized for durability, and ready to drop into a properly dimensioned upper receiver.
| Barrel Length | 16 inches |
| Caliber/Chamber | 5.56 NATO (.223 Remington) |
| Gas System | Carbine |
| Twist Rate | 1:8 |
| Profile | M4 Contour |
| Feed Ramps | M4 |
| Finish | Parkerized |
| Brand | Anderson Manufacturing |
This barrel is chambered in 5.56 NATO and will safely fire both 5.56 NATO and .223 Remington ammunition. The 1:8 twist rate stabilizes a broad range of projectile weights within those calibers.
Yes, provided your upper receiver is properly dimensioned and compatible with a standard barrel extension and carbine-length gas tube. This barrel is a direct-fit replacement for any AR-15 upper that accepts a 5.56 NATO barrel.
The M4 profile is a mid-weight design with a slightly thicker profile at the gas block and a gentle taper toward the muzzle. It strikes a balance between rigidity for accuracy, handling weight, and compatibility with standard M4-pattern handguards and accessories.
This is a barrel blank; you'll need a properly dimensioned upper receiver and a compatible bolt carrier group and charging handle. A barrel extension, gas tube, and front sight assembly (or rail mounted optics) may also be required depending on your build.
SKU: 115807640 • Weight: 1.82oz
Availability: In Stock
Current Stock: Out of stock
An Anderson Manufacturing 16" AR-15 barrel built for shooters who want solid performance without the premium price tag. This carbine-length barrel comes chambered in 5.56 NATO, handles both 5.56 and .223 Remington ammunition, and sports a 1:8 twist rate suited for a broad range of projectile weights. The M4 contour profile balances weight and handling with practical rigidity, while M4 feed ramps ensure reliable chambering across quality ammunition. A parkerized finish protects against corrosion and gives the barrel that working-gun aesthetic.
Whether you're building a home-defense rifle, a budget-conscious range gun, or a truck carbine, this barrel delivers the essentials. The carbine gas system keeps the operating system responsive and reliable, making it a natural fit for mid-length builds. At 16 inches, you get a compact overall length without sacrificing velocity or sight radius—good for tight spaces and fast handling.
Anderson Manufacturing barrels are a staple in the AR community precisely because they perform at a fair price. This one is no exception: machine-cut from quality steel, parkerized for durability, and ready to drop into a properly dimensioned upper receiver.
| Barrel Length | 16 inches |
| Caliber/Chamber | 5.56 NATO (.223 Remington) |
| Gas System | Carbine |
| Twist Rate | 1:8 |
| Profile | M4 Contour |
| Feed Ramps | M4 |
| Finish | Parkerized |
| Brand | Anderson Manufacturing |
This barrel is chambered in 5.56 NATO and will safely fire both 5.56 NATO and .223 Remington ammunition. The 1:8 twist rate stabilizes a broad range of projectile weights within those calibers.
Yes, provided your upper receiver is properly dimensioned and compatible with a standard barrel extension and carbine-length gas tube. This barrel is a direct-fit replacement for any AR-15 upper that accepts a 5.56 NATO barrel.
The M4 profile is a mid-weight design with a slightly thicker profile at the gas block and a gentle taper toward the muzzle. It strikes a balance between rigidity for accuracy, handling weight, and compatibility with standard M4-pattern handguards and accessories.
This is a barrel blank; you'll need a properly dimensioned upper receiver and a compatible bolt carrier group and charging handle. A barrel extension, gas tube, and front sight assembly (or rail mounted optics) may also be required depending on your build.
SKU: 115807640 • Weight: 1.82oz