Based on my calculations, it's cheaper to buy 7.62 ammo for the automatic rifle than to craft it (6$ vs 7$ per bullet) and you also don't get any Blacksmithing/Artisan skill points.
So what's the point of crafting ammo if you end up spending more money and crafting time, without any benefits?
That might actually depend on City Prosperity and Control as they both should affect
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. I will have to check base prices tomorrow.
Right now, I can buy 20x 7.62mm for $117. That's a per unit cost of $5.85.
It takes 1 fastener and 1 unit of gunpowder to make one 7.62mm ammo.
I can buy 5,000 units of gunpowder for $12,500. That's a unit cost of $2.5.
I can buy fasteners at a unit cost of $1.
For me, it is cheaper to craft it.