Defense Laboratory tests the Helios MK1 Sound Amplifier wit the KJ Works M4 Gas Blowback Rifle... "We present the newest sound amplifier "HELIOS LD MK1" for GBB airsofts, which we have been developing for the last few weeks here in the lab!
Defense Laboratory tests the Helios MK1 Sound Amplifier wit the KJ Works M4 Gas Blowback Rifle... "We present the newest sound amplifier "HELIOS LD MK1" for GBB airsofts, which we have been developing for the last few weeks here in the lab!