Sig Sauer P250 P226 - Umarex PX4 Storm - Gamo P25 MP9 Comparison

Here are some of the main Similarities when comparing the Sig Sauer P250 & P226 - Umarex PX4 Storm - Gamo P25 & MP9:

All of these CO2 blowback pellet guns are made for each company in Japan (I am assuming from the same factory?)
All of the listed Pellet Airguns shoot .177 caliber pellets (Can be Alloy or Lead)
They all have double sided rotary stick magazines that hold 8 rounds on each end for a total of 16 shots per magazine.
All of the Airguns use 12 gram CO2.
All compared pellet guns have Blowback operation.
All of these pellet pistols have single and double action triggers except for the Gamo MP9 which is single action only and needs to be charged on the first shot.
They all have rifled barrels.

Read full article here:
https://www.replicaairguns.com/2016/7/19/sig-sauer-p250-p226-umarex-px4-storm-gamo-p