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FN America
Overview
The FN AR-15 M16 Barrel is a 16-inch M4-profile barrel designed for use with 5.56 NATO ammunition, featuring a mid-length gas system that provides a balance of reliability and reduced recoil. With a 1:7 twist rate, this barrel stabilizes a wide range of bullet weights, making it versatile for different shooting applications. This barrel commonly appears in mid-length gas system builds chambered in 5.56 NATO, catering to builders seeking a reliable and accurate setup.
Based on build data

Bravo Company M16 Bolt Carrier Group Black

Sons of Liberty Gun Works Ar-15 Gas Tube Stainless Steel Mid-Length

Geissele Automatics G2S Two Stage AR-15 Trigger .154"

Bravo Company Manufacturing Mil-Spec Carbine Stock Hardware Kit

Magpul MBUS Gen 3 Folding Front Sight - Black

Magpul MBUS Gen 3 Folding Rear Sight - Black
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Bravo Company M16 Bolt Carrier Group Black | 49 | |
| Sons of Liberty Gun Works Ar-15 Gas Tube Stainless Steel Mid-Length | 41 | |
| Geissele Automatics G2S Two Stage AR-15 Trigger .154" | 40 | |
| Bravo Company Manufacturing Mil-Spec Carbine Stock Hardware Kit | 32 | |
| Magpul MBUS Gen 3 Folding Front Sight - Black | 31 | |
| Magpul MBUS Gen 3 Folding Rear Sight - Black | 31 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 100% |
Builds in the community that include the Fn Ar-15 M16 Barrel 16 Mid-Length 5.56mm
| Build | Parts | Total |
|---|---|---|
![]() | 8 | $1239.66 |
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