Home / Services - HK PSG-1 / HK MSG90 Adjustable Buttstock Factory New You cannot add "HK MSG90 Factory Hard Case New Original" 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 HK PSG1 MSG90 Style/Clone Tripod $39900 Out of stock HK PSG1 Style Trunnion RCM $9900 Sale! PSG1 Side Stiffening T-Rail Set $24900 Original price was: $24900.$19900Current price is: $19900. Out of stock HK91 G3 Threaded Barrel 18″ PTR .308 $13900