Fixed misaligned particle.

Added 4 new attachments.
* Muzzle break
* Scope
* Overclock
* Bipod

Damage increased to 30 from 25.
projectile velocity increased to 2500.
Projectiles now emit light and makes impact sounds.

Fixed muzzleflashes not parenting to the muzzle

Less projectile deviation

Added sounds to the attachment menu

Projectiles now has "dmg_buckshot" for better effect with death animation mods.

(miss clicked updated multiple times woops lmao)

Added particle effects I forgot about.
Changed holdtype from smg1 to ar2 so the weapon works better with combine soldiers.
Reduced idle noise.

INS2 titanfall 2 sights intergrated