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Pistoler0 · May 27, 2021, 08:31 AM

I am curious about whether 45 ACP entered your consideration for HD.

45 ACP is a tad quieter (about 3dB) than 9mm, and even more so when out of a carbine. I once forgot to don my hearing protection when shooting my 45 ACP carbine outside, and to my surprise the blast wasn't that bad (although I wouldn't want to repeat it).

Also 45 ACP being fatter and slower has a tad less risk of overpenetration.

May 27, 2021, 08:31 AM	#33
Pistoler0 Senior Member Join Date: November 15, 2019 Location: Conifer, CO Posts: 632	I am curious about whether 45 ACP entered your consideration for HD. 45 ACP is a tad quieter (about 3dB) than 9mm, and even more so when out of a carbine. I once forgot to don my hearing protection when shooting my 45 ACP carbine outside, and to my surprise the blast wasn't that bad (although I wouldn't want to repeat it). Also 45 ACP being fatter and slower has a tad less risk of overpenetration. __________________ Life is simply an inter-temporal problem of constrained optimization. Last edited by Pistoler0; May 27, 2021 at 08:41 AM.