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 WAITLIST NOW HK SG1 Cheek Rest Stock for Single Rear Pin Receivers MP5 33 53 93 $19900 Out of stock WAITLIST NOW MSG28 Custom Rifle RAL8000 HK 91/G3/MSG90 Style/Preorder $3,99900 SALE PSG1 Side Stiffening T-Rail Set $24900 Original price was: $24900.$19900Current price is: $19900. Out of stock WAITLIST NOW MP5 ( 90 Series ) Push Pin Sling Loop Set Front & Rear $3900