Rosco Manufacturing Bloodline 5.56 AR-15 Barrel Government Carbine 10.5"
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Rosco Manufacturing
Overview
The Rosco Manufacturing Bloodline 5.56 AR-15 Barrel features a compact 10.5-inch length with an M4 profile, optimized for maneuverability while maintaining accuracy. Designed for use with a carbine-length gas system, this barrel has a .750 gas block diameter and a 1:7 twist rate, allowing it to stabilize a variety of projectile weights effectively. This barrel is commonly found in builds that prioritize a compact form factor and 5.56 NATO caliber performance.
Specifications
Rosco Manufacturing Bloodline 5.56 AR-15 Barrel Government Carbine 10.5"
Build history on GunPartPicker
Builders have been adding the Rosco Manufacturing Bloodline 5.56 AR-15 Barrel Government Carbine 10.5" to their builds on GunPartPicker since May 2026. All time, it ranks #78 of the 814 barrels builders have added.
It was in stock most days in August 2026, and today 7 of the 8 retailers we track have it in stock. The best price crept up from $117.99 to $122.50 over August 2026. Buying today, the lowest price is $117.99 at Ammunition Depot, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 9 builds that include this one
Wilson Combat AR-15 Billet Upper Receiver
Radian Raptor Slim Line Ambidextrous AR-15 Charging Handle - Black
Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic Bronze
Midwest Industries Suppressor Series M-LOK AR-15 Handguard - 10.5"
Yankee Hill Machine Co. AR-15 Gas Block Assembly Low Profile .750 Steel Black
LBE Unlimited Carbine Length AR-15 Gas Tube - ARGTC
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 3 →Builds in the community that include the Rosco Manufacturing Bloodline 5.56 Ar-15 Barrel Government Carbine 10.5"
| Build | Parts | Total |
|---|---|---|
 | 21 | $1898.36 |
| 24 | $697.34 |
 | 13 | $1090.97 |
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