The LC9 is a very small 9mm which is Double Action Only (think revolver trigger). My LC9 can fit in most of my pants pockets with the right pocket holster.
In comparison to the LC9, the P89 is a much larger, bulkier, heavier, 9mm with a double action / single action trigger. One is intended for concealed carry. The other is more of a range gun, or mid-to-full-sized gun.
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