Colt Firearms M5 Features The Colt Firearms M5 is built on Colt s updated M5 architecture which reinforces the receiver and rail interface for greater rigidity under sustained use while remaining fully compatible with standard AR-pattern accessories. The 10.3 barrel and 1-in-7 twist rate keep the rifle exceptionally compact and maneuverable for vehicle room-clearing and close-quarters applications where a full-length carbine is impractical. For operators who need maximum maneuverability without giving up 5.56 terminal performance the M5 platform delivers a genuine next-level compact carbine. The SCW side-folding stock reduces overall length dramatically for storage or transport and locks securely back into position for firing while the full ambidextrous lower places every control including the safety selector within reach for both right and left-handed shooters. Flip-up front and rear sights provide an always-ready backup sighting system that stows flush when a red dot or magnified optic is mounted. Colt s continued investment in the M5 platform reflects decades of carbine manufacturing expertise and this Colt M5 SBR is available for sale at GrabAGun for shooters who need a rigid foldable 5.56 platform built for tight quarters. Colt Firearms M5 Specifications Brand: Colt Family: AR-15 Rifle Series Model: M5 Type: NFA Short Barrel Rifle Action: Semi-Auto Caliber: 223 Rem / 5.56 NATO Barrel Length: 10.3 Rate of Twist: 1-in-7 Capacity: 30+1 Magazines Included: 1 Stock: SCW Side Folding Grip: Magpul MOE-K2 Sights: Flip-Up Front and Rear Finish: Matte Black Hardcoat Anodized Safety: Ambi Safety Selector Full Ambidextrous Lower Hand: Ambidextrous Available At: GrabAGun