Home / Services HK 91 93 G3 33 53 90 / PSG1 Buttstock Cheek Rest Adjustment Knob 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 PSG1 Side Stiffening T-Rail Set German $19900 Out of stock Tan Polymer HK Vertical Grip 416A5 G28 MLI RAL8000 $4900 Out of stock HK91 G3 Threaded Barrel 18″ PTR .308 $13900 Out of stock HK Factory 556/223 Mag Couplers 93 33 53 $11900