| The ideal balance of dwell time and compact length for defensive carbines. Proudly Made in the USA. |
AR15 11.5" 5.56 NATO Carbine-Length Government Profile Barrel
This 11.5-inch government profile barrel is chambered in 5.56 NATO and runs a carbine-length gas system, balancing dwell time with a compact footprint for shorter AR-15 builds. The 1:7 twist rate is designed to stabilize heavier projectiles, while the 1/2x28 muzzle threads accept common muzzle devices made for that thread spec. Proudly made in the USA.
Builders should confirm carbine-length gas block and gas tube fitment, plus handguard length and inner diameter clearance, before assembly. A matching carbine-length gas tube and an AR15 carbine buffer help complete a reliable short-barrel configuration.
Comparing lengths? Step down to the 10.5-inch carbine barrel or browse the full Barrels selection. Verify your intended overall configuration and any applicable regulations before purchasing.
Specifications
| Caliber | 5.56 NATO |
| Barrel Length | 11.5" |
| Gas System | Carbine Length |
| Twist Rate | 1:7 RH |
| Profile | Government |
| Gas Block Journal | .750" |
| Gas Port Size | .073" |
| Muzzle Thread | 1/2x28 |
| Material | 4150 CMV |
| Finish | Black Nitride |
| Barrel Extension | M4 |
| Crown | 11° Target Crown |
| Weight | 21.6 ounces |
| Origin | Made in the USA |
Specifications
| Caliber | 5.56 |
| Barrel Length | 11.5" |
| Twist Rate | 1:7 |
| Thread Pattern | 1/2x28 |