AR-15 Magazine Well Dust Cover

Increase the life of your firearm by reducing malfunctions like jamming. Cammenga's magazine dust covers block dust, dirt and other problem-causing contaminants. Magazine Well Dust Cover for M16/AR15 Style Lower Receivers. FeaturesMade with a durable rubber compound impervious to ozone, water, acids, bases, grease, salts, seawater, oil, fuel and alcohol.Excellent resistance against abrasions, cuts, tears, deformation and flames.Withstands temperatures ranging from -20deg F to 250deg F.