JMAC CUSTOMS

Finally a way to mount our 1913 stocks/braces to your favorite full size MP5 clone!

The RSA-MP5 adapter will fit the Standard/Full Size MP5 as well as HK33 (556). It has a picatiny rail machined on the rear which allows you to install our 1913 style stocks/braces!  

• 7075 Aluminum
• Hardcoat Anodized
• Includes a replaceable recoil buffer
• No permanent modifications required
• Simple installation
• Adjustable cheek weild 
• May not be compatible with some SP5 models, due to tolerances.
  

   *Not compatible with CNC Warrior 1913 stocks/braces.