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searching for Polyphenylsulfone 1 found (7 total)

STG-556 (788 words) [view diff] exact match in snippet view article find links to article

those used by the Steyr AUG (10/20/30/42), being made up of “radel” (polyphenylsulfone). The rifles can also take 30-round STANAG and Magpul PMAG magazines