Aero Precision 5.56 Mid-Length AR-15 Barrel - Pinned Epsilon SL - 14.5"
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Aero Precision
Overview
The Aero Precision 5.56 Mid-Length AR-15 Barrel features a 14.5-inch M4 profile designed for 5.56 NATO caliber ammunition, making it a solid choice for precision and reliability. With a mid-length gas system, it offers a smoother shooting experience while maintaining optimal function, and the 1:7 twist rate stabilizes a wide range of bullet weights effectively. This barrel is commonly found in builds that prioritize a balance between maneuverability and accuracy, particularly those set up for tactical or competitive use.
Specifications
Aero Precision 5.56 Mid-Length AR-15 Barrel - Pinned Epsilon SL - 14.5"
Available Merchants
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October 2026 on GunPartPicker
Aero Precision 5.56 Mid-Length AR-15 Barrel - Pinned Epsilon SL - 14.5" ranked #131 of the 329 barrels builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #40 of the 1,043 barrels builders have added. Builds with this barrel are nearly all chambered in 5.56 NATO, nearly all on mid-length gas, and mostly AR-15 (93%).
Updated · from real builds on GunPartPicker
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Frequently Built With
The part most often added in each category by the builds that include this one
Wilson Combat AR-15 Billet Upper Receiver
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
Maximize Your AR-15's Potential with Tacfire's 15" ACE M-LOK Handguard - Black Excellence - HG20-15
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Aero Precision AR-15 5.56 BCG W/C158 Bolt - Aero Logo - Phosphate
WMD Guns AR-15 Gas Tube Nitromet Mid-Length
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Aero Precision 5.56 Mid-Length Ar-15 Barrel - Pinned Epsilon Sl - 14.5"
| Build | Parts | Total |
|---|---|---|
 | 12 | $1012.01 |
 | 13 | $1138.45 |
 | 11 | $1591.82 |
 | 25 | $541.70 |
 | 9 | $2850.44 |
| 11 | $1018.81 |
 | 9 | $3515.86 |
 | 16 | $1329.46 |
 | 18 | $2102.29 |
 | 23 | $1105.12 |
 | 24 | $1743.34 |
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