The NcStar Tactical Rifle Scabbard is designed for shoulder carry or modular mounting. It has webbing on both sides with four detachable PALS straps for ambidextrous usage. Six D-ring locations for attaching the padded shoulder sling for multiple carry options or preferences. Removable retention strap with quick-release buckle. Paddng around the whole scabbard to protect your rifle. Grommet for drainage. Expandable to three positions for various barrel lengths. Adjustable zippered opening for pistol grip or magazines.