Preview:

Inspect

Fire / Fire Empty

Reload / Reload Empty

Aim

Run

Weapon and arm have 14 animations, which are fire, fire last round, reload, reload with empty mag, run, idle, aiming, inspect. 

The realistic FPS bare arm is scaled to unreal arm, and rigged from unreal skeleton.

The gun skeletal mesh needed to attach to the bone name “ik_hand_gun” of the arm.