Great f-in ammo - Liberty Ammunition Civil Defense .45 ACP +P 78 Grain Hollow Point Nickel-Plated Brass Cased Centerfire Pistol Ammunition

Running it in a Dan Wesson Specialist (post-break-in), 4.25'inch commander 1911 ran great and had zero issues. It is about twice as loud as normal 230-grain ammo and has about twice as big of a flash. I run an RMR on it, and usually, you lose the dot once fired with regular 230 grain, but with this stuff, it runs as flat as 9mm. You will need to turn up the brightness of your red dot because the muzzle flash will be brighter than whatever brightness you have the red dot currently set to, which is the only downside, but for a .45 round moving 1900, I think it a worthy trade-off especially if you just runs irons