An Italian 12 gauge gas-operated semi-automatic [b][[shotgun]][/b] manufactured by Beretta. Major variants are available in both single-piece buttstock and one with pistol grip. 
It is the signature weapon of [[hoshino (blue archive)|Hoshino]] from [[Blue Archive]]. 

h1. See also 
* [[List of weapons]]
* "Wikipedia: Beretta 1301":https://en.wikipedia.org/wiki/Beretta_1301
ベレッタ1301