Parker Mountain Machine Battery Control Device | BAD Lever For MCX’s

Installation and review of the Parker mountain machine battery control device, similar to Magpuls bad lever, that can be used on sig Sauer mcxs, rattlers, and LTs. This video shows how to fix the shaking, wiggling, or movement that occurs.

[@uncutunderground]

I got a sneaky suspicion this will work with my foxtrot 9mm lower

[@GearAndGuns]

@@uncutunderground I can’t say for certain but they also have ones for your standard ar15.