Please be advised that the BATFE was notified by Hirtenberger that L7A1 9x19 NATO ammunition was contract produced for the British Ministry of Defence for use in submachineguns ONLY, and was not to be used in pistols. The pressure levels are beyond +P and the intended use was for submachineguns in cold climates. I recall an American Rifleman magazine warning to this effect in the 1990s.
Do a Google search for "L7A1 Hirtenberger 9mm"
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