Carry more rounds per Magazine with Valken RMAG, with a 300 Round capacity you can double your bb's and shoot faster for longer. With a quality winding spring mech that can wind up to maximum tension to almost empty the entire magazine of even the heaviest weight bb. The RMAG design features a non-slip texture with ergonomic textures the make it easy to pull from your magazine storage and proper indexing for faster reloads.