The problem with these materials is that they are too thin, tear easily and are extremely susceptible to heat.
To date, the only option the semi-automatic user has for shooting bags is to use leather, thin polyester, suede or old shot Bags.Product FeaturesNomex Heat-Shield Shooting Panel Protection from Heated BarrelsRugged Rubber Tread Grips Shooting BenchConstructed Of 1200 Denier Rugged ExteriorSilicone Treated Rifle Fore end Area Todays shooters are as likely to own an MSR platform rifle as they are to own a traditional bolt-action rifle. Allen ThermoBlock Front & Rear Bag Set Filled, Multicolored.