Sig Sauer Mosquito 22 Long Rifle 10 Round Magazines are great for a day at the range! Dont get caught out on the range reloading, we all know the range is for shooting. Pick up a few extra magazines for both the range and the field and stop messing around with loose bullets. This replacement or additional magazine is a factory original, meaning that it is made to the exact same specifications that your original magazine was made. Factory magazines will always work great in the intended gun. The days of frantically searching for your magazine before hitting the range are over when you buy this extra magazine.