MAGPUL GEN M3 Pmag AR-10 (7.62x51) Magazine - SHARK Capacity Options 10/20 - 10 Round Modified 15/20 - 15 Round Modified20 Round (NON RESTRICTED STATES ONLY)These Magpul Gen M3 Pmags feature custom graphics on both sides. This magazine body is Black. Calegalmags specializes in custom modifying magazines for capacity restricted states. The 10 and 15 round modified magazines feature an proprietary internal limiter and the base of the magazines are permanently sealed shut permanently with industrial polymer adhesive. These magazines can not be taken apart without destroying the magazine.