Zulu 24 Airsoft Park share what they think about the RDX B.O.S.S. XM203 which is said to be the best in gun sound simulation in airsoft... "The RDX B.O.S.S.  XM203. A product that was teased 8+ years ago, yet now its at Zulu? How? Why? What is the B.O.S.S. system?

Well stay tuned because we're going to talk about it."