When it comes to getting inside Walther PP-series pistols, Michael J. Parker, a former Interarms vice president, has learned a thing or four. If you want to detail strip your Walther, read this first.

It featured an open-top slide, an enclosed hammer and was chambered in 6.35x15 Browning (.25 ACP). Its design was straight blowback, ... Walther made the PP Super starting in 1972.