Midwest MP5K 1913 End Plate Adaptor – Black

Designed for the MP5K platform, this Midwest Industries 1913 end plate adaptor provides a Picatinny interface for side-folding stocks and braces. It is machined from 6061 aluminum and finished in hard coat anodize for corrosion resistance and low weight. The adaptor incorporates an anti-rotation QD sling swivel socket and is compatible with the HK MP5K and a number of clone platforms. Fitting may be required; some variation among clones and HK SP5s can necessitate gunsmith installation.

Key Specifications

• The body is constructed from 6061 aluminum with a hard coat anodized finish.
• Finish style is black anodized for a durable, low-reflective surface.
• Compatibility includes HK MP5K and compatible clones such as Century AP5/K, Zenith ZF5/K, and MAC 5/K.
• Functionally this is a 1913 Picatinny adaptor intended for side-folding stocks and braces.
• Installation is described as simple, though gunsmithing may be required for some receivers.
• Includes an anti-rotation QD sling swivel socket for secure sling mounting.
• Dimensions are listed as 2.50 x 2.40 x 3.75 inches in the supplied specifications.
• This item is marked as Made in the USA.
• Manufacturer notes the part is 922R compliant.
• The product carries a lifetime warranty from the manufacturer.

Compact, well-machined, and purpose-built for the MP5K form factor, this adaptor provides a reliable Picatinny mounting point for folding stocks and braces while keeping weight and footprint minimal. Its hard coat anodized 6061 aluminum construction balances durability and lightweight performance for users seeking a clean, functional solution for stock or brace attachment on MP5K-pattern receivers.