Check out the transformation of the ESHOOTER Flare Smoky BT Tracer with custom end caps in this video from 6mm Badger... "The ESHOOTER Flare Smoky BT Tracer Unit is, without a doubt, the best smoky tracer I’ve used so far — I loved it so much I had to make a follow-up video! In my original review, I mentioned that the clear glass front, while functional for the muzzle flash, doesn’t look very realistic for MILSIM setups.