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Rosco Manufacturing
Overview
The Rosco Bloodline AR-15 16" barrel is a versatile option designed for 5.56 NATO builds, featuring a carbine-length gas system that promotes reliable cycling and performance. With a 1:7 twist rate, this barrel effectively stabilizes heavier projectiles, making it suitable for a variety of ammunition types. This barrel is commonly found in builds focused on tactical applications and general-purpose use, where dependability and accuracy are paramount.
Based on build data
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Yankee Hill Machine Co., Inc. Ar-15 Gas Tube Black Carbine
Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Wilson Combat Ar-15 Billet Upper Receiver
Strike Industries Collar Adjustable Gas Block
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4 | 22 | |
| Yankee Hill Machine Co., Inc. Ar-15 Gas Tube Black Carbine | 14 | |
| Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers | 14 | |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | 12 | |
| Wilson Combat Ar-15 Billet Upper Receiver | 12 | |
| Strike Industries Collar Adjustable Gas Block | 10 |
| Platform | Percentage |
|---|---|
| AR-15 | 95% |
| AR-9 | 5% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Carbine | 100% |
Builds in the community that include the Rosco Bloodline AR-15 16" 556 Barrel, 1:7 Twist - BL16M45567C
| Build | Parts | Total |
|---|---|---|
 | 5 | $671.64 |
 | 17 | $741.05 |
 | 27 | $1896.80 |
 | 6 | $953.71 |
 | 16 | $1389.28 |
 | 23 | $1934.17 |
 | 14 | $1008.95 |
 | 8 | $616.66 |
 | 15 | $1113.77 |
 | 20 | $1015.33 |
| 15 | $2638.15 |
| 14 | $732.86 |
4 global ratings
Rosco Bloodline 16 inch 5.56 CHF barrel groups under 1 MOA with handloaded 77gr SMK and under 2 MOA with bulk 55gr. Cold hammer forging shows in the consistent rifling. Holds up to high round counts.
Rosco Bloodline 16 inch 5.56 barrel groups consistently sub 1 MOA with handloaded 77gr SMK. Bloodline barrels are CHF and the rifling is clean. 1:7 twist as expected for the load weights Im running.
Rosco Bloodline 16 inch barrel has eaten a couple hundred rounds and still cleans up easy. Zero copper fouling so far which is impressive. CHF process makes for consistent rifling. 1:7 twist handles 55 through 77gr loads.
Rosco Bloodline 16 inch barrel has a chamber finish thats clean and mirror-like under a borescope. Cycles bulk 55gr and match 77gr loads equally well. CHF process shows in the consistent rifling. Holds groups after high round counts.
