LCS For Streamlight® (BLEM)

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This is a cosmetically BLEMISHED product. It is fully serviceable and functional. You get a complete LCS kit, as normal. However, it can have a varying degree of the following:

  • Plating inconsistencies
  • Scratches
  • Dents
  • Pitting/surface inconsistencies

This is a perfect opportunity for people who push their equipment hard and do not mind cosmetic imperfections. We do not accept returns on blemished products but these are fully warrantied as normal.

The Light Control System (LCS) is very versatile. As such, there are a lot of possible configurations.

The LCS for the Streamlight does not support M-LOK or KeyMod interfaces. We only offer a Picatinny version. Also, the LCS does not support the TLR-series switches.

If you would like, you can add a Streamlight Rail-Mount HLX weapon light to your LCS to save money. This combo gives you a new in-the-box HLX and our LCS. Everything you need for a complete weaponlight setup. That includes the light, the tape switch, the tailcaps, and of course our LCS.

Note: Tape switch is not included.

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Streamlight® Picatinny

The LCSmk2k is designed exclusively for the Streamlight ProTac series weaponlights Dual-Function tape switch that is commonly provided with the Streamlight ProTac series weaponlights. The LCSmk2k is TOO LONG for the shorter Streamlight 69132 switch provided with the TLR-series.


  • Precision CNC machined from Certified 6061-T6 billet aluminum for superior strength.
  • Mil-Spec Type III hardcoat anodized finish for superior durability and wear resistance.
  • Custom-manufactured size 8-32 Torx-drive screw. Made from hardened steel and then black nitride plated for superior corrosion resistance.


  • Unique Patent-Pending design utilizes a slot that ensures a snug, perfect friction-fit for the tape switch. Once installed its not coming out unless you want it to.
  • “Early Exit” feature allows the user to route the cable into the LCS and then exit the mount early if more cable slack is needed for your given setup.
  • 3-piece clamp design allows for perfect fit across all picatinny rails.
  • Proprietary Integrated Cable Channels (ICC) are integrated into both sides of the mount, giving the user the ability to control excess cable and making the mount ambidextrous and reversible. Channels can be used for other cable management as well (IR, et)
  • Full-length aluminum base allows for optimum tape switch engagement. No “give” in the tape switch when depressed makes for easier and more positive light engagement.
  • Shooter can fully use the entire length of the tape switch now.
  • The LCS Series Locks up 100% to your weapon. Zero movement. Zero play. Virtually indestructible.
  • Radiused/chamfered edges ensure comfort and ergonomic function.
  • Fully ambidextrous and reversible. The LCS be mounted in either direction, based on your preference/needs.



Streamlight® Picatinny

  • WIDTH 1.32″
  • HEIGHT 0.575″
  • LENGTH 3.5″
  • WEIGHT 1.9 oz.

Streamlight Inc., which manufactures and sells Streamlight® flashlights is not associated in any way with Cloud Defensive LLC. Streamlight Inc., does not warranty or have anything to do with any product made by Cloud Defensive LLC. The use of the registered Streamlight® trademark is strictly for the purpose of identifying the host of compatible accessories made by Cloud Defensive LLC. All other trademarks, copyrights, and graphics or media belonging to other companies on this sight are wholly owned by the respective company and are used only to show compatibility and weapon configuration. Cloud Defensive only warranties the products that Cloud Defensive manufacturers.


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