See SINs & licences setting info for defintions of the terms below.
Normal fake SINs cost 1 LP for the SIN and 0.25 LP per licence. Each licence can cover one category:
Milspec gear like APDS or Ex-Ex ammo, heavy weapons, very heavy armour cannot be licensed this way.
High-grade fake SINs cost 4 LP plus 1 LP per associated licence.