The Sylvan Arms flared magwell allows no-look, faster loading of magazines. With integral trigger guard, and wider flare than competing products, the Sylvan Arms flared magwell outperforms any other magwell available on the market today. Features: Sleek design with super wide mouth diameter allows for faster magazine reloading Low light/no light magazine changes Machined in house in USA from billet 6061 aluminum and designed to fit a variety of platforms Easy installation in less than 15 min Works with most AR-15 lowers with removable trigger guards Sylvan arms limited lifetime warranty