The specifications given on these guns are very accurate measurements for the guns shown and not necessarily what would be on other guns of the same brand.

A.A. - Tradename of Azanza y Arrizabalaga.

Azanza & Arrizabalaga of Eibar, Spain. Operated during the First World War, manufacturing automatic pistols of the Ruby pattern and continued after the war.  Total number produced for France 40,000.  They also manufactured a gun called Reims which came in 6.35 and 7.65.  It is not confirmed, but thought, that they produced this gun early and French soldiers were themselves buying them before the French government did.
(Numbers quoted are from the Archivo Municipal de Eibar)
 
 

Azanza y Arrizabalaga Model 1915-no code

Caliber: 7.65mm - .32acp
Overall Length: 6.150"
Height: 4.90"
Barrel: 3.50
Weight: 1lb 13.3oz
Sights: fixed
Magazine Capacity: 9 round
Magazine Release: bottom of frame
Slide hold open Feature: none
Grips: Checkered Walnut
Safety: center of frame
 
 

Pages from the A. Aldazabal of Eibar, Spain catalog from 1920
 
 

Page 6