Adds more mod option for AK17

• 2 barrel option (Barrel to change AK17 to perform like Assault Rifle or pseudo-LMG)
• 1 new handguard
• 1 new stock
• 1 new magazine
• option to keep ironsight attached when an optic sight is equipped

PD2 skin support: texture and code

Thanks to kden's help on texture

As Always,

Requires BeardLib
Requires WeaponLib

> Put in "mod_override" folder

Known Issues: