Guntec USA AR-15 Micro Slim Flash Can .223/5.56 Black. Fits Into Most Slimline Thin Free Floating Handguards. Specifications for Guntec USA AR-15 Micro Slim Flash Can: Manufacturer: Guntec USA Length: 2.5 in Weight: 2.6 oz Finish: Anodized Outer Diameter: 1.25 in Gun Model: AR-15 Condition: New Gun Make: AR Platform Inner Diameter: 0.5 in Features of Guntec USA AR-15 Micro Slim Flash Can Pushes Flash Forward Fits Into Most Slimline Thin Free Floating Handguards Package Contents: Guntec USA AR-15 Micro Slim Flash Can What firearm models does the manufacturer say Guntec USA AR-15 Micro Slim Flash Can is compatible with? The manufacturer suggests that Guntec USA AR-15 Micro Slim Flash Can is compatible with AR-15GUNTEC USA MCONE-FH-S: AR-15 Micro Slim Flash CanBlack