SIOS-C21B

The  VKIS SIOS-C21B model serves as a drop-in  MIL-SPEC replacement buttstock for any carbines using an AR-15 type MIL-SPEC sized receiver extension tubes. With QD sling mounts accept any push-button sling swivel and an ergonomic pull tab that allows for quick deliberate action while preventing snags and unintentional activation. Length of pull 14.10 in. (extended) and 10.80 in. (collapsed). The integral storage compartment allows you to store essential items in your buttstock. Total volume is 2.62 cubic in. (42.93 cubic cm)

Made in the USA!