Aero Precision M4E1 lower receiver

 

Aero Precision M-LOK handguard

 

SIG Sauer red dot optic

 

Flip-up backup iron sights

 

Angled foregrip

 

Adjustable stock

 

Extended magazine 

release

 

Custom bolt catch/

release

 

Light weight Aftermarket trigger

 

Pistol grip

 

Flashlight

 

Custom Muzzle 

 

After market charging handle