Rosco Manufacturing Bloodline 5.56 AR-15 Barrel Government Mid-Length - 14.5"
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Rosco Manufacturing
Overview
The Rosco Manufacturing Bloodline 5.56 AR-15 Barrel features a 14.5-inch length with an M4 profile, making it an excellent choice for builds that require a balance of maneuverability and performance. This barrel is chambered in 5.56 NATO with a mid-length gas system, which helps to enhance reliability and reduce recoil, while the 1:7 twist rate provides versatility in stabilizing a variety of bullet weights. Commonly found in mid-length gas system builds, this barrel is ideal for those looking to create a compact, yet capable rifle.
Specifications
Rosco Manufacturing Bloodline 5.56 AR-15 Barrel Government Mid-Length - 14.5"
Available Merchants(7)
Prices checked
Price Alert
October 2026 on GunPartPicker
Rosco Manufacturing Bloodline 5.56 AR-15 Barrel Government Mid-Length - 14.5" ranked #30 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 #31 of the 1,042 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 (90%).
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, but today only Primary Arms has it in stock. Buying today, the lowest price is $162 at Primary Arms, above October's low of $129.76, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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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
Radian Weapons AR-15 Raptor SD-SL Ambidextrous Charging Handle Black
Bravo Company M16 Bolt Carrier Group Black
Aero Precision Enhanced M-LOK Handguard Gen 2 15" Black
WMD Guns AR-15 Gas Tube Nitromet Mid-Length
Sharps Bros AR-15 Livewire Lower Receiver
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 Rosco Manufacturing Bloodline 5.56 Ar-15 Barrel Government Mid-Length - 14.5"
| Build | Parts | Total |
|---|---|---|
 | 30 | $5694.94 |
 | 26 | $2856.93 |
 | 8 | $820.80 |
 | 24 | $3994.30 |
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