ODIN's revolutionary CQ-S (Close Quarters Stock) combines ultimate maneuverability with rapid deployment by utilizing a highly compact, spring-loaded system. When fully collapsed, the CQ-S adds a mere five inches to your total rifle length allowing for ease of movement in tight spaces, then can swiftly deploy to 5 different lengths through the use of our button-operated quick spring deployment. Relentlessly durable, the CQ-S features two ambidextrous QD sling mounts, a beard friendly, snag free compact butt stock, and compact buffer tube complete with buffer and spring. This is undoubtedly the stock you want by your side when tight quarters are an issue.Features: Compatibility: AR-15 / M4 | 5.56 / .223 Length: 5" - 9" Weight: 23.3 oz Buffer Weight: 3 oz Material: 6061-T6 Aluminum Spring Loaded 5 length positions Ambi Forward and Rear QD mounts Compact Buffer Tube (Buffer & Spring Included)