CMMG RipStock, Compact Stock Assembly, 5 Black Finish 45CA917

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.