FN Herstal (FNH) SCAR SSR Rear Stock Assembly, FDE (P/N 20-100567) – Adjustable LOP & Cheek Height
The FN SCAR SSR Rear Stock is a factory rear stock module designed to replace the original stock. It provides tool-less adjustment for length of pull and cheek rest height, with a fixed, precision-oriented stock profile.
This SSR stock includes a MIL-STD M1913 rail section for attaching a monopod or other supported-position accessories. Length of pull adjusts in approximately 0.25" (5mm) increments for a total of 1.75" (45mm) of adjustment, and the cheek rest provides up to 1.1" (28mm) of additional comb height.




