So the brothers started to make the model 1908 pistol, substantially an unlicensed clone of Mannlicher M1900 in 6.35 mm (.25 ACP) caliber. Around 1910 Julián left the business and Bonifacio expanded and began improving their current offering.
The brothers started manufacturing the model 1908 pistol, which was a largely unauthorized version of the Mannlicher M1900 in 6.35 mm (.25 ACP) caliber. Around 1910 Julián ceased involvement and Bonifacio took over to enhance their current product.