Griffin Armament Low-Pro Features The Griffin Armament Low-Pro rail was designed around a clear objective: provide a slim ultralight M-LOK handguard with more rigidity than other rails of similar weight and profile. A custom extrusion runs through the rail s internal structure adding reinforcement that reduces flex when the shooter grips the handguard firmly in the shoulder pocket during rapid strings of fire. That rigidity matters most when running an IR laser aimer where Griffin s internal testing showed 70 percent less point of impact shift compared to competing slim rails under load. Carefully positioned cooling slots along the rail length allow heat to escape quickly when running the carbine hard without compromising the structural rigidity the rail was built around. Finished in a black anodized coating over an aluminum body the Low-Pro measures 13.50 inches long with a 1.35 inch inner diameter and a 1.54 inch width giving it a trim profile that does not add bulk to the forend. At just 10.8 ounces the rail keeps weight forward of the receiver to a minimum which matters on carbines built for mobility or extended carry. Mounting hardware and thread locker are included simplifying installation onto a compatible upper receiver without sourcing additional fasteners. The Griffin Armament Low-Pro rail is available at GrabAGun for shooters upgrading to a slim reinforced M-LOK handguard for duty competition or home defense carbines. Griffin Armament Low-Pro Specifications Manufacturer: Griffin Armament Model: Low-Pro Color: Black Anodized Material: Aluminum Mount Type: M-LOK Length: 13.5 Inner Diameter: 1.35 Height: 2 Width: 1.54 Weight: 10.8 oz Includes: Mounting Hardware Thread Locker Available At: GrabAGun