Magpul’s CTR Carbine Stock is a perfect addition to any AR15/M4 carbine build. Compatible with Mil-Spec sized extension tubes, the CTR Carbine Stock utilizes a streamlined A-Frame profile to promote faster handling and manipulation of the host weapon. This design also shields the release latch to prevent unintentional latch activation, as well as a supplemental friction lock system to minimize excessive stock movement for greater weapon stability. Other features include an ambidextrous QD sling mount compatible with any push-button sling swivel, and a standard 0.3” thick rubber butt-pad for greater purchase on the user’s shoulder. Features: Compatible with Mil-Spec sized extension tubes from manufacturers such as Colt, Armalite, S& W, LMT, and more Streamlined A-Frame profile Ambidextrous QD sling mount 0.3” thick rubber butt-pad Magpul CTR Carbine Mil-Spec Black Stock MAG310-BLK