handfulsofhistory:The 32 caliber 1903 pocket hammerless used a simple“blowback” mechanis
handfulsofhistory:The 32 caliber 1903 pocket hammerless used a simple“blowback” mechanism. Therewas also a 1903 Colt pocket with a hammer that fired much more robust 38 ACPammunition from a locked breech. -- source link