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Anderson Manufacturing
Overview
The Anderson Manufacturing 5.56 Carbine Length M4 Contour AR-15 Barrel features a 16-inch length, designed specifically for 5.56 NATO calibers. With a carbine-length gas system and a .750 gas block diameter, this barrel ensures reliable cycling and performance, while the 1:8 twist rate stabilizes a variety of bullet weights effectively. This barrel is a popular choice for builds focused on carbine-length gas systems and chambered in 5.56 NATO.
Anderson Manufacturing 5.56 Carbine Length M4 Contour AR-15 Barrel - 16"
Builders have been adding the Anderson Manufacturing 5.56 Carbine Length M4 Contour AR-15 Barrel - 16" to their builds on GunPartPicker since February 2026. All time, it ranks #344 of the 752 barrels builders have added. Builds with this barrel are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and mostly AR-15 (86%, then AR-9 14%).
It was out of stock everywhere we track for all of August 2026, and today the one retailer we track is out of stock. Listed prices start at $69.99 at Classic Firearms for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →The part most often added in each category by the 18 builds that include this one
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Anderson Manufacturing 5.56 Carbine Length M4 Contour Ar-15 Barrel - 16"
| Build | Parts | Total |
|---|---|---|
 | 21 | $692.25 |
 | 20 | $1417.35 |
 | 9 | $1194.31 |
 | 16 | $433.33 |
 | 8 | $449.48 |
 | 21 | $2023.10 |
 | 25 | $1045.30 |
 | 23 | $979.55 |
1 global rating
Top reviews
M4 contour with carbine length gas, ran 300 rds of M193 without a hiccup. harmonics under sustained fire are smooth, no whip. anderson quality has come up a lot recently, this barrel proves it. crown was protected by a thread cap
