Rosco Manufacturing Bloodline 5.56 AR-15 Barrel Government Carbine - 12.5"
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Rosco Manufacturing
Overview
The Rosco Manufacturing Bloodline 5.56 AR-15 Barrel features a 12.5-inch length with a Government profile, designed for optimal balance and performance in a compact build. It utilizes a Carbine-length gas system and has a 1:7 twist rate, making it well-suited for stabilizing a variety of 5.56 NATO ammunition. This barrel is commonly found in builds that prioritize a shorter overall length while retaining reliable functionality, making it ideal for tactical applications or home defense setups.
Specifications
Rosco Manufacturing Bloodline 5.56 AR-15 Barrel Government Carbine - 12.5"
Available Merchants(6)
Prices checked
Stock Alert
Build history on GunPartPicker
Builders have added the Rosco Manufacturing Bloodline 5.56 AR-15 Barrel Government Carbine - 12.5" to their builds on GunPartPicker. Since April 2026, it ranks #338 of the 1,046 barrels builders have added. Builds with this barrel are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.
It was in stock most times we checked in October 2026, but today none of the 6 retailers we track has it in stock right now. Listed prices start at $123.99 at Optics Planet for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the builds that include this one
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Bravo Company Manufacturing Complete AR-15 Lower Receiver Assembly With Mod 0 Stock
Centurion Arms Rifle, 12"
Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black
Wilson Combat AR-15 Lo-Profile Gas Block .750" Black
Bravo Company Manufacturing AR-15 Bolt Carrier Group - M16
Builds Featuring This Part
See all builds →Builds in the community that include the Rosco Manufacturing Bloodline 5.56 Ar-15 Barrel Government Carbine - 12.5"
| Build | Parts | Total |
|---|---|---|
 | 16 | $1249.04 |
 | 19 | $1359.94 |
 | 10 | $1024.30 |
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