Home / Services - HK PSG-1 / HK MSG90 Adjustable Buttstock Factory New You cannot add "HK Factory SR9 Rifle With Extras" to the cart because the product is out of stock. HK MSG90 Adjustable Buttstock Factory New$1,59900 SKU: MSG90STK-1 Categories: MP5 & 90 Series, Services - HK PSG-1 Tags: HK91, MSG90, PSG1 Product ID: 7116 Brand new factory HK adjustable buttstock for the MSG90. Actual item shown. These are getting harder and harder to come by. This is our only one! Contact us if you have questions about builds or assembly. Product is out of stock Notify me when this product is back. Please enter a valid email! Subscribe Description Additional information Description Brand new factory HK adjustable buttstock for the MSG90. Actual item shown. These are getting harder and harder to come by. This is our only one! Contact us if you have questions about builds or assembly. Additional information Weight 21 oz Dimensions 9 × 5 × 1.5 in 922r Qualifying Part YES – Foreign Manufacturer HK Related products Out of stock HK91 G3 Threaded Barrel 18″ PTR .308 $13900 Out of stock PSG1 MSG90 Forward Assist Button/Plunger Factory HK $16900 HK G3/91 EBO Greek Lower Housing 0 1 F For Semiauto $24900 Sale! HK PSG1 Type Lower Group Complete $1,19900 $99900