I would go for the 26. I had the 36, but decided the 26 was better for me.
A better comparison is the 36 & 19. The 36 is almost identical in size as the Glock 19 (just a tad slimmer) but the Glock 19 holds 15 +1. That's over twice as many rounds as the 36.
It's an easy choice if you ask me.
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