Originally Posted by MadMax
It drives me to distraction when I think that the GB Tech gas grenade/reservoirs have the same junky single port valve. Neat looking gas reservoir disguised as a distraction device, but the thing has been made useless with the single port valve. I can't get more than 10g of propane into it without freezing the thing. A doublestack WA mag holds 8g of propane so you can see how crippled this product is.
Intresting service note. I just took a fubared TM glock mag and swapped the valve in my GB Tech grenade. I filled with propane for ten seconds and it isn't even half full yet! Thanks for the heads up Carl!