I am selling 3 king arms 100 round midcap magazines for the m4 platform, or any airsoft gun that uses m4 magazines(they will not work in the APS UAR), they all feed flawlessly, and for 20 dollars, you are getting a good deal, they are usually 10 bucks a piece or more. For more info, text me at 661-747-9907 Location: West bako