How-To Install MK2J LCS for Streamlight® Protac

Learn how to properly install the Cloud Defensive MK2J Light Control System (LCS) for Streamlight® Protac tape switches.
Our MK2J Light Control System (along with the MK2K) give the user a much more robust mounting platform for their Streamlight® Protac tape switches.
Note: If using this guide to install the aluminum MK2K version, the bolts should not exceed 20in/lbs.
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[@theREALdingusMD]

I thought these had been discontinued. Glad they’re still available.

[@CloudDefensive]

We are continuing with the polymer MK2J at this time.

[@edgarsalas8577]

I like the aluminum ones better, you guys should bring them back

[@JediKnight-yi1zg]

Will this work with the new ProTac HL-X Pro tape switch?

[@boss350z5]

This a new plastic version? Ive ran the metal version on my primary rig for years.

[@CloudDefensive]

Not new but yes it is polymer vs the MK2K aluminum version. Customers were requesting an install video instead of just the included manual.

[@boss350z5]

@@CloudDefensive gotcha. great product either way. It's never let me down.

[@JesusDiaz-cq8fj]

When will they be available on the site?

[@CloudDefensive]

They are available on our Amazon store along with other online retailers.

[@brandonmaldonado9889]

Where could I find the aluminum version?

[@CloudDefensive]

Aluminum has been recently discontinued but there are still some out there. Check Amazon first then try Google search. We have one more small handful going out to distros.

[@willjohnson3299]

Well done very informative! The install vid for the new single switches actually was very helpful on my install!🤌🏻🔥