Now you can make your own ESS Chassis, just select a Chassis Base here and add Forend and Stock of your choice! ESS Forends are offered in 3 different lengths, 12-inch, 15-inch and 18-inch, and can be ordered with a full rail, partial rail, or no rail with cut-outs to allow low scope mounting. Each forend comes with M-LOK slots and QD flush cup mounts. Action-specific scope mounting rails which co-index with the forend rail are available as an accessory. Stock options are the standard Skeleton Rifle stock for ESS, the Folding Rifle Stock for ESS, or the Skeleton Carbine Stock with the use of the ESS to Carbine Adapter.