The same under barrel rail system is also available for the Glock models, 1911, P226 and Beretta 92. The system also reminds me of Wor4Tacrail , made by my mad scientist buddy David Woroner .

This article was originally published with the title “ Screw-driver Wrench and Tap Wrench ” in Scientific American Magazine Vol. 105 No. 20 (November 1911), p. 433 doi:10.1038 ...