Trommel's were used by the police for training with 'artillery' and the shorter P08 (lets say 4 inch, but they varied) and I am sure when needed during the turbulent 1920's; although the MP18 was favored, the trommel was used with 4 inch lugers.
Ed
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Edward Tinker
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Co-Author of Police Lugers - Co-Author of Simson Lugers
Author of Veteran Bring Backs Vol I, Vol II, Vol III and Vol IV
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