I have several BCM parts are like-new for sale. 

BCM Gunfighter MOD 4B Charging handle-$50 OBO

BCM trigger assembly with pins-$55 OBO

BCM fire selector-$20 OBO

BCM black pistol grip-$15

BCM FDE pistol grip-$15

BCM black MOD2 SOPMOD stock-$55 OBO

Happy to send pics. Can only post up to 3. Make me an offer and I'll do a package deal. $150 for everything