1913 Stock Adapter for CZ Scorpion

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JMac Customs' 1913 Stock/Brace adapter for your Scorpion EVO 3.

This railed stock adapter is designed specifically for the Scorpion EVO 3 Pistol/Carbine to allow you to install SIG style stocks or braces! 


  • Allows you to install SIG MPX/MCX style stocks or braces
  • Built-in QD sling attachment point
  • Adjustable cheek wield for irons or taller optics
  • No modifications for installation
  • Installs in seconds like the factory stock/end plate
  • 7075 Aluminum
  • Hard Coat Black Anodized

Scorpion Adapter Fit:

I have found that there may be some slight variation in fit from Scorpion to Scorpion. No matter what the reason there are some pretty simple fixes for a slightly tight or loose fit.

If you have a slight wobble it can be easily solved by placing a small piece of electrical tape as shown in the image below. This will make it nice and tight.

If your adapter is very tight going on you could try placing some oil or grease on the back flat surface of the gun as shown below. It's also not uncommon to need a mallet tap or two to go the last 1/8" or so.

If neither of these work, contact us for further support.