Railed Stock Adapter - Railed Stock Adaptermp5 1913 Adapter

Finally a way to mount their 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 their 1913 style stocks/braces! Features: 7075 Aluminum Hardcoat Anodized Includes a replaceable recoil buffer No permanent modifications required Simple installation Adjustable cheek weild Please NOTE: May not be compatible with some SP5 models, due to tolerances. Not compatible with CNC Warrior 1913 stocks/braces. Requires JMac 1913 Folding Mech