The H&K 433 PDW is a compact 5.56mm rifle designed for personal defense, featuring a short-stroke piston system and available in 7-inch and 9-inch barrel configurations. It incorporates an adjustable gas regulator for suppressor use, a non-reciprocating charging handle, and a foldable stock without a buffer tube. The rifle is tested to AC 225 NATO standards for reliability in harsh conditions.
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