The 4 AR-15 Rifle (M4) Carbine Case by Case Club holds up to 4 rifles and 38 Magazines (both standard and pmag). The case focuses on the M4 (AR-15) platform and caters to the enthusiast. It comfortably holds four rifles both carbines & mid-lengths along with up to 38 magazines so you can have quick access to your firearms on and off the range. It was designed by professionals for professionals. This waterproof case can accommodate all major optics including ACOG, AIM Point & more, provided they are within a 3″ height. In regard to accessories, the case has room for a front forward (vertical) grip, laser and/or flashlight provided they are not wider than 1.5″. All the foam is military grade polyethylene which is oil proof so if it gets dirty it can simply be wiped clean. The case itself is crushproof, waterproof, dustproof, shippable & has a lifetime warranty. Dual purge valves keep the moisture out while allowing the case to be opened in high or low altitude, and each case includes 2 free silica gel canisters to soak up moisture and keep everything rust free. Purchase more than one and stack them up!