Tisas B9R Carry Cerberus Compensator (Thumb Ledge Mk2)

The Underworld Arms Cerberus Compensator for the Tisas B9R Carry 4.25" DS 1911, is a compact triple port frame mounted compensator with superb efficiency and performance. This compensator is made for the first generation B9R with bushing style barrel.  The Cerberus uses concave gas diverters at the front wall of the expansion chamber to route gas into the two upward angled side ports and the top port. By using this concave diverter the gas retains more of its energy as it is redirected and more gas is trapped and redirected into the ports. The side ports are angled up at 68 degrees which creates a 44 degree arc of gas venting.  This 50 state legal compensator is made for unthreaded barrels and is anodized black. This compensator has an ambi thumb ledge lower with horizontal serrations that match the horizontal serrations on the slide release and thumb safety for a cohesive aesthetic. The holster we make for the MAC is compatible with this thumb ledge lower.  On most builds this compens