ASG M4 140rd magazine 5 packWith ActionSportGames new polymer M4 magazines you can lay down some heavy firepower without paying a heavy price. Our fantastic new range of low cost, high quality polymer magazine for M4 style AEGs are hard to beat. With these sleek black M4 magazines you can expand your armoury in no time at all and at a great price too! Able to fit almost all standard M4 AR type AEGs, these 140 BB mid cap magazines require no winding and so feed smoothly to the