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Will adapter also allow you to shoot .380 since that is just 9mm x 17? — 1 Answer
by
David,
from CA, United States Asked on October 25, 2021
Answered by
Ethan,
Gear Expert,
from IL, United States,
on February 15, 2022
The Chiappa Firearms X-Caliber 12ga/9mm Gauge Adapter Insert is designed for use with 9mmx19 ammunition. While, yes, you could shoot a 380 through a 9mm barrel the headspacing is different. 380 is 2mm shorter and will have to make a "jump" those extra 2mm which will cause wear and gas cutting. Overtime it will cause more damage and not allow a standard 9mmx19 to seat properly causing dangerous pressure spikes.
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