CMMG'S AR15 RipStock Compact 5 Position Stock Assembly is a revolutionary retractable buttstock engineered for lightning-fast deployment to your personal setting. With their Fastback Technology you simply pull straight back to extend the stock. No locking tabs to bind. P3 Technology (Personal Position Preset) allows you to adjust the indexing screw and to set your own preset. Comes complete with receiver extension" end plate" lock ring" buffer anf buffer spring.

Features:
Package includes-CMMG RipStock" RipStock adjustable position tube" P3 indexing screw" spring and buffer" ambidextrous sling plate & castle nut