Sylvan Arms AR-15 Flared Magwell Black. With integral trigger guard and wider flare than competing products the Sylvan Arms Flared Magwell outperforms any other magwell available on the market today. Specifications for Sylvan Arms AR-15 Flared Magwell: Manufacturer: Sylvan Arms Finish: Anodized Gun Model: AR-15 Fabric/Material: 6061-T6 Aluminum Color: Black Condition: New Weight: 1.4 oz Features of Sylvan Arms AR-15 Flared Magwell Sleek Design with super wide mouth diameter allows for faster magazine reloading. Solid yet lightweight. Low light magazine changes. Designed to fit a variety of platforms. Easy installation in less than 15 minutes. Works with Most AR15 Lowers with Removable Trigger guards. Does NOT work with drum mags. Does NOT work with Gen 3 Magpul PMAGs. Package Contents: Sylvan Arms AR-15 Flared Magwell What firearm models does the manufacturer say Sylvan Arms AR-15 Flared Magwell is compatible with? The manufacturer says that Sylvan Arms AR-15 Flared Magwell is compatible with AR-15Sylvan Arms ARFM100: AR-15 Flared Magwell Black