PSG1 Buttstock Cheek Rest Adjustment Knob$7500 SKU: PSGKNB-1 Categories: MP5 & 90 Series, Services - HK PSG-1, Services HK 91 93 G3 33 53 90 Tags: MSG90, PSG1 Product ID: 7527 Knob only, made to order PSG1 Buttstock Cheek Rest Adjustment Knob quantity Add to cart Description Additional information Description Knob only, made to order Additional information Weight 10 oz Dimensions 2 × 2 × 2 in Related products Out of stock SALEWAITLIST NOW HK MSG90 Factory Hard Case New Original From: $79900 Original price was: $79900.$69900Current price is: $69900. Out of stock WAITLIST NOW Black Polymer HK Vertical Grip 416 G36 UMP MP5 $3900 MSG28 Custom Rifle RAL8000 HK 91/G3/MSG90 Style/Preorder $3,99900 Out of stock WAITLIST NOW Weldable Picatinny 1913 8″ Weldment Rail For HK MP5 Etc $5900