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Ar-15 Modern Series Barrels 5.56mm - Ar-15 Modern Series 14.5 Mid-Length Barrel Gov'T
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$152.00
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SKU: 915000014
Overview
Built for AR-15 builders and upgraders, this 14.5-inch mid-length barrel offers a Government profile in a 5.56 NATO chambering. It is suited to rifles intended to run both 5.56x45mm and .223 Remington ammunition, giving flexibility for a range of common loads. Ballistic Advantage describes the barrel as precision machined from 4150 chrome-moly-vanadium steel alloy, with a nickel-boron coated barrel extension and M4 feed ramps to support reliable feeding and extraction. For hunters and serious shooters assembling a modern AR platform, it provides a straightforward option when a mid-length setup and familiar service-style contour are the goal.
Why Hunters Choose the Ballistic Advantage
14.5-inch Mid-length
Configuration suits AR-15 builds and
Chambered 5.56
NATO, accepting 5.56x45mm and .223
Government Profile
Familiar option for AR-15 enthusiasts
Nickel-boron Coated
Barrel extension includes M4 feed
Available From
Ballistic Advantage’s Modern Series barrel
Key Features
- AR-15 Modern Series barrel in 5.56 NATO chambering
- 14.5-inch mid-length Government profile
- Precision machined from 4150 chrome-moly-vanadium steel alloy
- Nickel-boron coated barrel extension
- M4 feed ramps to help support reliable feeding and extraction
- Accepts both 5.56x45mm and .223 Remington ammunition
Best Used For
- AR-15 builders or upgraders seeking a 14.5-inch mid-length Government-profile barrel
- Shooters wanting a 5.56 NATO chamber that also accepts .223 Remington ammunition
- Users prioritizing a precision-machined barrel for a custom rifle build
- Hunters or range shooters selecting a barrel with M4 feed ramps and nickel-boron extension
Specifications
| Barrel Extension | Nickel-boron coated |
|---|---|
| Barrel Length | 14.5 |
| Chambering | 5.56 NATO |
| Compatible Ammunition | 5.56x45mm and .223 Remington |
| Feed Ramps | M4 feed ramps |
| Gas System | Mid-Length |
| Precision Machined | Yes |
| Profile | Government |
| Steel Material | 4150 chrome-moly-vanadium steel alloy |
Pros
- 14.5-inch mid-length configuration suits AR-15 builds and upgrades
- Chambered in 5.56 NATO, accepting 5.56x45mm and .223 Remington ammunition
- Government profile offers a familiar option for AR-15 enthusiasts
- Nickel-boron coated barrel extension includes M4 feed ramps
- Available from Ballistic Advantage’s Modern Series barrel lineup
Considerations & Trade-offs
- This is a 14.5-inch mid-length Government-profile barrel, so it is a specific fit for builders who want that configuration rather than a more general-purpose option.
- It is chambered in 5.56 NATO, which also accepts .223 Remington, but it is not presented as a multi-caliber barrel.
- The description focuses on the barrel and extension details; other build components and compatibility considerations are not included here.
- The short description is promotional rather than technical, so the key selection factors come from the listed length, contour, and chambering.
Suggested Comparisons
- AR-15 barrel
- 5.56 NATO barrel
- mid-length barrel
- government profile barrel
Suggested Accessories
- AR-15 upper receiver
- Muzzle device
- Barrel nut
- Handguard
Frequently Asked Questions
What chambering is this barrel offered in?
This barrel is chambered in 5.56 NATO, and the description says it accepts both military-type 5.56x45mm and civilian .223 Remington ammo.
What profile is this barrel?
The product title identifies it as a 14.5" Mid-Length Barrel in Government contour.
What is the barrel made from?
The long description states it is precision machined from 4150 chrome-moly-vanadium steel alloy.
Does it include any feed ramp or extension details?
Yes. The description says it has a nickel-boron coated barrel extension with M4 feed ramps.
Is this barrel intended for a new build or an upgrade?
The description says Ballistic Advantage offers barrels in a variety of chamberings, lengths, and contours so you can find the exact barrel needed for building or upgrading a rifle.