![Spuhr R-300: HK-MP5 Stock Adapter for M4-type Stocks Spuhr R-300: HK-MP5 Stock Adapter for M4-type Stocks](https://cdn11.bigcommerce.com/s-llwpiff/images/stencil/300x300/products/323/19958/r-300__76683.1709615577.png?c=2)
The Heckler and Koch MP5EA3 Retractable Buttstock is manufactured from steel and durable polymer components. This black factory original accessory from H&K is made in Germany and designed for HK MP5 rifle models chambered in either 9mm, 10mm or .40 S&W. The buttstock installs at the rear portion of the receiver and collapses to offer both a compact and standard stock option; ideal for PDW setups. Heckler & Koch is world renowned for their high quality firearms and parts.
Specifications:
- Brand: Heckler and Koch
- Caliber: 9mm,10mm,.40 S&W
- Finish / Color: Black
- Firearm Type: Pistol,Rifle
- Material: Steel
- Models Fit: HK MP5