Rosco Manufacturing K9 5.56 Nato Sage Dynamics Patrol Length Ar-15 Barrel - 12.5"
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Rosco Manufacturing
Overview
The Rosco Manufacturing K9 5.56 NATO Patrol Length Barrel is a 12.5-inch barrel designed for optimal performance in short-barreled rifles. Its enhanced taper profile reduces weight while maintaining rigidity, and the 1:7 twist rate stabilizes a wide variety of bullet weights, making it versatile for different ammunition choices. With a carbine-length gas system, this barrel is well-suited for builds that prioritize maneuverability and rapid handling, especially in tactical or patrol configurations.
Specifications
Rosco Manufacturing K9 5.56 Nato Sage Dynamics Patrol Length Ar-15 Barrel - 12.5"
Frequently Built With
Based on build data
Wilson Combat Ar-15 Billet Upper Receiver
Upper Receiver
BLEM PSA AR15 Complete Classic Stealth Lower, Black
Lower Receiver
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas Block
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
Gas Tube
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock
Lower ReceiverBuild 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.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
| Product | Category | Times Built Together |
|---|---|---|
| Wilson Combat Ar-15 Billet Upper Receiver | Upper Receiver | 153 |
| BLEM PSA AR15 Complete Classic Stealth Lower, Black | Lower Receiver | 146 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 144 |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 136 |
| Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length | Gas Tube | 132 |
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | Lower Receiver | 118 |
| Platform | Percentage |
|---|---|
| AR-15 | 88.2% |
| AR-10 | 9.1% |
| AR-9 | 2.6% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Carbine | 100% |
Builds Featuring This Part
See all 1 →Builds in the community that include the Rosco Manufacturing K9 5.56 Nato Sage Dynamics Patrol Length Ar-15 Barrel - 12.5"
| Build | Parts | Total |
|---|---|---|
 | 18 | $1467.98 |
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