It’s hard to go wrong with the HST.
I fired these into 10% ballistic gel from my 4” Kimber CDP.
Note, the second and fourth bullets are reversed, they should be from left to right: 9mm 124 gr XTP, .45 ACP gr 230 gr XTP, .45 ACP 230 gr Remington Golden Saber, and Federal 230 gr HST.
The HSTs demonstrated the least penetration at around 14”. That compares to about 18” for the Hornady XTP and about 16” for the Golden Saber rounds. But it is still adequate penetration well over the 12” mark and the expansion is impressive.
It shows the progression from the older school XTP, designed to give reliable 1.5x expansion mushrooming to around .60-.65” with very good penetration, to the slightly later Golden Saber designed to expand with petals to around .75”, and the more modern HST designed for even greater expansion around .85”.
I’m comfortable carrying any of them.
The XTPs penetrate farther, without over penetrating. They are also significantly larger than their 9mm counterpart - and are larger in expanded diameter than nearly all of the most modern 9mm hollow points.
The HSTs expand to an impressive .85” with good penetration.
The Golden Sabers split the difference with a bit less expansion but better penetration.