I just keep on with Hornady Essential Duty 135 gr +P in 9mm. It feeds and shoots by way of my SIG P365 and out performs SIG's proprietary ammo for that pistol accuracy smart. Some steel-cased ammo provides a projectile which has a mild metal Main, but some would not. https://9mmreloading26417.webbuzzfeed.com/38056562/a-review-of-reloading-9mm-luger