Yankee Hill Machine Co AR-15 Caliber Marked Dust Cover 5.56 NATO

Make your rifles' calibers easy to identify with the Yankee Hill Machine CoA(R) AR-15 Caliber Marked Dust Cover 5.56 NATO. Perfect for those who mix and match upper receivers, this dust cover is ideal for keeping dirt, dust, and other grime out of your rifle to ensure smooth, proper function. This caliber marked dust cover features lightweight and durable aluminum construction with a Mil-Spec hard anodized corrosion-resistant finish for superior dependability in the field or at the range. Includ