Custom animations preview:

This mod adds AK-12 (2012 prototype model) as standalone assault rifle. Unlock Level: 37
Weapon will appear as AK 5 for other players.

BeardLib is required.

Extract archive content to "mod_overrides".
How to Install Super BLT and mod_overrides mods tutorial by Master Indigo

Optional mods to use with this custom weapon:
Custom attachments for custom weapons - Adds data of custom attachments to this weapon.
FedNet-style Icons for Custom Weapons - Replaces inventory icon with Fednet style icon.