does this help? screenshot from Ballistic Calculator GunData.org for .308 subsonic:
you can enter your own data, but this is a preloaded one for 190gr subsonic...
Attachment 255548
Attachment 255549
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does this help? screenshot from Ballistic Calculator GunData.org for .308 subsonic:
you can enter your own data, but this is a preloaded one for 190gr subsonic...
Attachment 255548
Attachment 255549