Fletcher Rifle Works Vent Features The Fletcher Rifle Works Vent is machined from black anodized aluminum a material chosen for its light weight and resistance to wear from heat and powder residue at the muzzle. Its 1/2x28 thread pattern matches the standard thread found on the overwhelming majority of 5.56x45mm NATO rifle barrels so it mounts directly without an adapter. At a 1.75 inch diameter and 5 inches in length the Vent keeps a low profile that will not throw off a rifle s balance or add noticeable length to the muzzle end. The anodized finish also helps the aluminum body resist corrosion over repeated range sessions and field use. At just 0.09 lbs the Vent adds essentially no felt weight to the front of a 5.56 NATO rifle which matters to shooters who are sensitive to muzzle-heavy balance on lightweight carbines. Its vented design is built specifically around 5.56x45mm NATO applications giving shooters a dedicated caliber-matched accessory rather than a generic one-size-fits-all part. The black finish keeps the look consistent with most modern sporting rifle builds and black anodized handguards or rails. For shooters building out a 5.56 platform who need a lightweight properly threaded muzzle accessory the Fletcher Rifle Works Vent is a straightforward addition for sale at GrabAGun. Fletcher Rifle Works Vent Specifications Manufacturer: Fletcher Rifle Works Caliber: 5.56x45mm NATO Color: Black Material: Aluminum Finish: Anodized Length: 5 Diameter: 1.75 Thread Pattern: 1/2x28 Weight: 0.09 lbs Available At: GrabAGun