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0:00 Introduction and History of Underwater Firearms
0:55 Engineering Challenges and Russian Underwater Firearms
2:07 Development, Adoption, and Global Usage of the H&K P11
3:36 Examination of H&K P11: Fired Barrel Cluster and Firing Mechanics
5:24 Unique Features of the H&K P 11: Silence and Sealed Sabot System
7:45 The Electrical System and Battery Compartment of the HK P 11
8:42 Web Gear and Standard Load Out for the H&K P11
9:24 The Secrecy Surrounding the H&K P11
10:16 Conclusion and Acknowledgements
Developed by Heckler & Kock and adopted by the German army in 1976, the P11 has become the de facto underwater pistol for all NATO militaries. It is an electrically-fired pepperbox style pistol with five barrels. Each barrel is preloaded and the barrel clusters are easily swapped – and must be returned to H&K for reloading. Two different types of ammunition are made; DM91 bullets for firing in air and DM101 flechette darts for firing underwater.
Many thanks to Andy at H&K for inspiring me to do this video, and to the British Royal Armouries for giving me access to this P11 to film!
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At Forgotten Weapons I think the most interesting guns out there are the most obscure ones. I try to search out experimental and prototype weapons and show you how they work, in addition to more conventional guns that you may not have heard of before. You’re much more likely to find a video on the Cei Rigotti or Webley-Fosbery here than an AR or Glock. So, do you want to learn about something new today? Then stick around!