HK P7 M13
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The M13 is the high capacity cousin to the venerable current production M8. M is German for "Magazinkapazität" (ma-kah-tsin kah-paht-si-tate)  or magazine capacity in English. The M13 is still available to the civilian population in other countries including Germany, but is not offered for sale in the United States except to law enforcement and military. There was no effort on the part of HK to market the gun with 10 round magazines. Probably a wise move, as there would have been no real market for a gun that commands well over $1000 and has a premium price on the existing high capacity magazines.

The M13 debuted in 1982 with prototype serial numbers from 001 to 059.  Production serial numbers as of January, 1993 run from 71101 M13 to 89600 M13.  Helmut Welde oversaw this variant as with all P7s.
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