| Full-length barrel providing maximum velocity and smooth cycling for any build. Proudly Made in the USA. |
AR15 16-Inch Mid-Length 5.56 NATO Barrel, Government Profile
This 16-inch barrel is chambered in 5.56 NATO and built on the AR-15 platform with a mid-length gas system, government profile, and a 1:7 twist rate. The 1:7 twist supports a range of common bullet weights, making it a practical choice for competition, hunting, range work, or general-purpose builds. The 1/2x28 thread pattern accepts compatible muzzle devices, and the barrel is proudly made in the USA.
When integrating this barrel into a build, confirm that your gas block, handguard, and upper receiver are matched to the mid-length configuration. Pair it with a mid-length gas tube and verify muzzle device threading before assembly.
Comparing lengths? Review the 14.5" mid-length barrel or browse all options in our barrels collection.
Specifications
| Caliber | 5.56 NATO |
| Barrel Length | 16" |
| Weight | 29.0 ounces |
| Gas System | Mid-Length |
| Twist Rate | 1:7 RH |
| Profile | Government |
| Gas Block Journal | .750" |
| Gas Port Size | .078" |
| Muzzle Thread | 1/2x28 |
| Material | 4150 CMV Steel |
| Finish | Black Nitride |
| Barrel Extension | M4 |
| Crown | 11° Target Crown |
| Origin | Made in the USA |
Frequently Asked Questions
It's chambered in 5.56 NATO with a 16-inch length, mid-length gas system, government profile, and 1:7 RH twist. It's made from 4150 CMV steel with a black nitride finish, an M4 barrel extension, a .750" gas block journal, .078" gas port, 1/2x28 muzzle threads, and an 11° target crown. Made in the USA.
The 1:7 twist rate supports a range of common bullet weights, making it a practical choice for competition, hunting, range work, or general-purpose 5.56 NATO builds. Confirm the specific loads you plan to shoot match your intended use before finalizing your build.
Because it uses a mid-length gas system, confirm your gas block, handguard, and upper receiver are matched to the mid-length configuration. Pair it with a mid-length gas tube and verify your muzzle device threading before assembly.
The barrel has a 1/2x28 thread pattern, which accepts compatible muzzle devices. Verify that your chosen muzzle device matches the 1/2x28 threading before installation to ensure proper fitment on your build.
If you're comparing lengths, review the 14.5" mid-length barrel or browse the full barrels collection. Orders ship in 2-3 business days, and free shipping is available on qualifying orders.
Specifications
| Caliber | 5.56 |
| Barrel Length | 16" |
| Twist Rate | 1:7 |
| Thread Pattern | 1/2x28 |