As a long-range and precision shooter, you know that sight picture is critical. It has been said that suppressors "turn sound into heat" and that heat causes mirage that often disrupts the sight picture. A good thermal shield can prevent this problem.We are pleased to be able to offer a new suppressor thermal mirage cover from Armageddon Gear. This mirage cover offers the best combination of features we've seen so far. The design is sound. The workmanship is excellent. Armageddon Gear are good guys. This is a good mirage cover!June 2014: Select models now available in A-TACS AU !The Armageddon Gear Suppressor Mirage Cover significantly reduces and delays the effects of suppressor mirage on the rifleman's ability to identify and engage his target.Highly-secure design stays in place during vigorous movements, yet can be adjusted or removed in seconds. Rated for use on bolt-action and semi-automatic precision rifle suppressors. Cover design ensures no contact areas between nylon shell and hot suppressor. Field-replaceable adjustable shock cord for custom fit and retention.FITMENT GUIDE:5-inch cover fits 30PSS, 30CB5, and ULTRA 5.7-inch cover fits ULTRA 7, 30CB7, 30BAS.7.2-inch cover fits 223P-2, 223CB.9-inch cover fits ULTRA 9, 30P-1, 30CB9, 30BA10.4-inch cover fits 338BAUse on 223A is not recommended.