Noveske Dust Cover Features The Noveske Ejection Port Cover Kit is engineered to fit standard Mil-Spec AR-15 upper receivers without modification so installation is a straightforward swap for anyone maintaining or building a rifle. The cover is anodized for corrosion resistance and long-term durability standing up to the wear that comes with repeated cycling and field use. An engraved 5.56 marking on the outfacing side adds a factory-correct visual detail that many shooters look for when assembling a clean cohesive upper. Because it is a direct Noveske part fit and function match what the rifle shipped with originally. The kit arrives complete with the dust cover rod spring and clip so there is nothing extra to source before installation. This makes it a convenient option for replacing a lost or broken cover finishing an upper build or simply upgrading a bare receiver with proper ejection port protection. Keeping the ejection port covered helps block dust debris and moisture from reaching the bolt carrier group when the rifle is not in use. For AR-15 owners who want a reliable correctly marked dust cover from a respected name in the industry this kit is a practical and complete solution. Noveske Dust Cover Specifications Manufacturer: Noveske Model: Dust Cover Type: Ejection Port Cover Kit Compatible Hosts: AR-15 Color: Black Finish: Anodized Available At: GrabAGun