May or may not feed HST 147, mine does not. Will be testing with Gold Dot 115. I have a JM AIWB that makes the 365 and 365 XL disappear. Easier for me to shoot well than a 43/43X/48. If our specimens turn out to be reliable, they are the small 9mm category leaders for size/capacity/ease of shooting well. Seems like Sig continue to fiddle with these, and some examples might require a trip back to them to get right.