JMac Customs 360 HD Keymount (KeyMicro) Brake

Description

The JMac Customs 360 HD Keymount (KeyMicro) Brake, RRD-360HD, is designed specifically with short barrels and high pressures in mind! Due to excess pressures and gasses associated with rifle calibers in short-barreled firearms, a barrel length restriction was put in place for many of our popular devices. To remedy this, we’ve taken our 360 design and reinforced the device by adding additional material where it’s needed and removing material in some areas to cut down on size, and weight. You get the same amazing performance out of our 360 devices, now with a Heavier Duty design for short-barreled