MAGPUL CTR CARB STK MIL-SPEC BLKThe Magpul CTR (Compact Type Restricted) Carbine Stock in black is a drop in replacement for AR 15 M16 carbines using Mil Spec sized receiver extension tubes. Designed for light, fast action, its streamlined A frame profile prevents snagging and shields the release latch from accidental activation. The CTR features a supplemental friction lock system that minimizes stock movement, enhancing weapon stability. An ambidextrous QD sling mount accommodates