Made to fit a number of different applications on the AR-15 platform, the multi-prong "Claw" flash hiders are multi-functional devices that serve to redirect the expelled gases in a manner that not only obscures the flash, but also serves to reduce the muzzle blast and IR signature. The "Claw" muzzle device effectively works in conjunction with a "T" attachment to provide multi-prong device. The "T" attachment effectively accomodates a "D" ring, while preventing the accidental deployment of the flash hider, which happens most commonly when the muzzle is at a downward angle. Guntec USA multi-prong guards are the natural choice, as no snag point is necessary. Externally, the "Claw" muzzle devices are a straight-forward 2-piece design, and install by unscrewing the "T" ring and "T" ring, then tightening the "T" ring to the "T" ring. For reliable holding power and heat absorption, the "T" ring is twisted and locked in place by hand. Specifications for Guntec USA AR15 Claw Multi-Prong Flash Hider: Manufacturer: Guntec USA Caliber: .223 Remington Fabric/Material: T6 Aluminum Threads per Inch: 1/2x28 Gun Make: AR Platform Gun Model: AR-15 Length: 2.25 in Inner Diameter: 0.5 in Outer Diameter: 1.5 in Weight: 2.6 oz Condition: New Diameter: 1.45 in Features of Guntec USA AR15 Claw Multi-Prong Flash Hider Recessed Counterbore To Mount Flush With 15in Handguard Application (With 16in Barrel) Multi Prong Flash Hider Claw Style Door Breacher Package Contents: Guntec USA AR15 Claw Multi-Prong Flash Hider This product is compatible with the following gun models: AR-15