The Lictor M4 is the most versatile, smallest-footprint AR-15/M-4 magazine carrier on the market today. The Lictor M4 is ambidextrous, and works with rounds-forward and rounds-rearward magazine orientation. It has a slight "funnel top" to aid in guiding the magazine into the carrier. The Lictor M4 magazine carriers work with all common-issue AR-15/M-4 magazines (GI, PMag, Tango Down ARC, Lancer, etc).