ROSCO K9 SAGE DYN BBL 12.5 5.56 1/7

The ROSCO K9 Sage Dyn BBL 12.5 5.56 1/7 is a precision-engineered barrel from Rosco Manufacturing designed for reliability and performance. Featuring a 12.5-inch barrel length with a 1:7 twist rate, this barrel is optimized for the 5.56 NATO caliber, supporting a wide range of bullet weights and enhancing accuracy.

This model incorporates a proprietary patrol length gas system that offers smoother operation compared to traditional carbine-length systems, providing consistent cycling whether used suppressed or unsuppressed. The continuous taper barrel profile efficiently dissipates heat during extended use, contributing to durability and sustained performance. The barrel’s nitride finish enhances corrosion resistance and overall longevity.

Additionally, the K9 Sage Dyn BBL includes an updated target crown design, improving muzzle harmonics and shot consistency. Its black finish combines a tactical aesthetic with functional resilience, making it suitable for various applications where reliable and precise barrel performance is essential.