Robar Polymar 15 clone build. Features: 
Kaiser receiver set 
SOLGW lower kit 
LARUE MBT 2 stage trigger 
H2 Buffer 
BCM Ambi safety selector 
BCM Mod 3 grip and original gunfighter stock 

Barrel is 1/7 twist 14.7 mid length gas Ballistic advantage pencil profile with cut down front sight post. Shoots very well. 
13.5 BCM MCMR rail 
BCM gunfighter comp mod 1 permanently attached for NON-NFA compliance 
Toolcraft Nitride Bolt carrier group 
Rise armament extended latch charging handle