eHobbyAsia have sent in details of the Viper Tech weapons they are stocking:
VIPER TECH XM177-E2 Gas Blow Back Rifle
Viper Technologies AR-15 Gas Blow Back Series
— XM177 E2 Version
— Real M16A1 Type Body (without marking)
— XM177E2 Type Steel Flash Hider
— Hi-End Full Metal Gas Blowback rifles
— CNC Machined Receiver just like the real steel
— Steel bolt carrier offer Solid & Strong RecoilExtremely robust VIPER AR-15 Series Gas Blow Back – 2010 VERSION!!
VIPER is OEM factory of INOKATSU M4 GBBR provide same level supreme craftsmanship & TOP NOTCH finishing
As SOLID & ROBUST gun as a real steel
VIPER TECH M5 RAS Gas Blow Back Rifle
Include 50 Rounds Gas Operated Metal Magazine
(We recommend to use with ProWin / WA / G&P Gas Operated Magazine ‘SOLD SEPARATELY’ to operate the best performance of this lovely baby)
You can even take RED GAS on it to enjoy the True Recoil (VIPER TECH suggested no more than 12kg power gas)
Real Measurement 14mm Clockwise barrel extension tube
Sling mount can be installed with single, 2- or 3- point tactical sling
VIPER TECH M4 CQB/R (MK18 MOD 0)
