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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.
Based on build data

CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B

Midwest Industries 30mm 1-Piece Gen II Scope Mount, Black - MI-SM30G2
Optic Mount
Wilson Combat Ar-15 Billet Upper Receiver
Upper Receiver
Centurion Arms Rifle, 12"
Handguard
Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black

Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 3 | |
| Midwest Industries 30mm 1-Piece Gen II Scope Mount, Black - MI-SM30G2 | Optic Mount | 2 |
| Wilson Combat Ar-15 Billet Upper Receiver | Upper Receiver | 2 |
| Centurion Arms Rifle, 12" | Handguard | 2 |
| Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black | 2 | |
| Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers | 2 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Carbine | 100% |
Builds in the community that include the Rosco Manufacturing Bloodline 5.56 Ar-15 Barrel Government Carbine - 12.5"
| Build | Parts | Total |
|---|---|---|
![]() | 16 | $1232.98 |
![]() | 19 | $1387.09 |
![]() | 10 | $1030.03 |
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