Gives various custom attachment to AMCAR

• Longer, accurized barrel (more accurate AMCAR, less stable AMCAR)
• 9mm feed conversion magazine (reduced damage, slightly higher RoF)
• Unique Modulator barrel extension (changes AMCAR to sound like an AK, its also a real-life muzzle extension part, used by the MACVSOG: https://youtu.be/po715YGEzTY?t=117)
  All of them exclusive for AMCAR weapon only.

PD2 skin support: texture and code

Thanks to kden's help on creating weapon skin texture

As Always.

Requires BeardLib
Requires WeaponLib

> Place mod in "mod_override" folder