Image unavailable
Ar-15 Performance Series Barrels Mid-Length - Ar-15 14.5'''' Barrel Mid-Length Button Rifled 416 Ss
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$215.00
View on Brownells
You'll be taken to Brownells to complete your purchase.
Hunter's Outpost earns a commission from affiliate links at no extra cost to you.
SKU: 100042684
Overview
Built for AR-15 owners who want a performance-focused barrel for a mid-length setup, this Blackout Defense option is aimed at precision-minded shooting with quality ammunition and components. The stainless-steel construction and button-rifled design place it in a category suited to careful range use, load development, and accuracy-oriented builds. It is described as a 14.5-inch barrel with 5R rifling and a 1:8 twist, giving it a clearly defined role within a serious rifle setup. As with any component in this class, results depend on the rest of the build and the ammunition used.
Why Hunters Choose the Blackout Defense
Designed As
Part of Blackout Defense’s Performance
Uses Premium
416-R stainless steel bars as
5r Rifling
A 1:8 twist rate
Blanks Are
Fully stress relieved and precision
Profiling Threading
Are completed on an ultra-precision
Key Features
- Blackout Defense AR-15 Performance Series barrel for mid-length setups
- 14.5-inch barrel with button-rifled construction
- Made from premium 416-R stainless steel
- Features 5R rifling with a 1:8 twist
- Stress relieved and precision air gauged before profiling and chambering
- Profiling and threading completed on an ultra-precision 5-axis mill-turn machine
Best Used For
- AR-15 builders seeking a performance-focused barrel for precision-oriented setups.
- Shooters using match-grade ammunition and quality components in optimal conditions.
- Hunters wanting a mid-length barrel for a compact, accuracy-minded rifle build.
- Owners prioritizing a stainless-steel barrel for a serious, refined AR-15 project.
Specifications
| Air Gauged | Yes |
|---|---|
| Barrel Length | 14.5 in |
| Button Rifled | Yes |
| Chambering | Yes |
| Gas System | Mid-Length |
| Material | 416-R stainless steel |
| Profiling | Yes |
| Rifling | 5R |
| Stress Relieved | Yes |
| Threading | Yes |
| Twist Rate | 1:8 |
Pros
- Designed as part of Blackout Defense’s Performance Series for performance-focused AR-15 builds.
- Uses premium 416-R stainless steel bars as the starting material.
- Features 5R rifling with a 1:8 twist rate.
- Blanks are fully stress relieved and precision air gauged before profiling and chambering.
- Profiling and threading are completed on an ultra-precision 5-axis mill-turn machine.
Considerations & Trade-offs
- Performance claims are tied to optimal conditions and match-grade ammunition, so results may vary with load selection and the rest of the rifle setup.
- This is a 14.5" barrel, which may require additional consideration for legal compliance and overall build planning depending on your configuration.
- The product description emphasizes the barrel blank and machining steps, but does not include a complete package list or accessory details.
- The stainless-steel construction and performance-oriented design may be a better fit for a dedicated build than for a lightweight, budget-focused setup.
Suggested Comparisons
- AR-15 barrel
- Mid-length gas system barrel
- Stainless steel barrel
- Match-grade barrel
Suggested Accessories
- Barrel nut
- Muzzle device
- Handguard
- Gas system components
Frequently Asked Questions
What platform and barrel type is this product for?
This is a Blackout Defense AR-15 Performance Series barrel, listed as a mid-length 14.5" barrel.
What material is the barrel made from?
The source data states that the Performance Series barrels start with premium 416-R stainless steel bars.
What rifling and twist information is provided?
The product description lists 5R rifling and a 1:8 twist.
Does Blackout Defense provide any accuracy guidance for this barrel?
The description says it is not unusual for customers to shoot 1 MOA or better in optimal conditions using match-grade ammunition and other quality components. That is a conditional statement, not a guaranteed result.
What manufacturing steps are mentioned for this barrel?
The description says the blanks are gun-drilled and reamed at standard production speeds, then fully stress relieved and precision air gauged before profiling, threading, and chambering. It also notes that profiling and threading are completed on an ultra-precision 5-axis mill turn machine.