Compiled by Larry B. Schuknecht

While this page will focus primarily on the development of the Breech Loading Center Fire Drilling, we must remember that Muzzle Loading three barrel guns were made before the breech loaders. The following article appeared in the 1912 Schuss und Waffe issue nr. 23.

Following are illustrations which show the systems of five of the earliest successful breech loading three barrel guns which had two outside hammer locks.

Click Here to see the page about D.R.G.M.’s or Design Patents which contains quite a few Drilling designs.