link: http://www.amazon.com/exec/obidos/tg/detail/-/B000NCU9S8/ref=pd_luc_mri?_encoding=UTF8&m=A1AET0H8622RII&v=glance
Propane can be used on the magazines if there is a propane adapter. Though I don't own a gas-powered airsoft weapon, I think this is the adapter you need to get to put on the propane tank so it can be put into the magazine.
http://www.airsoftpost.com/bkjw-airsoft-generation-innovation-propane-adapter-versionb-p-28551.html
P.S. If you didn't buy the pistol already, buy it somewhere else. Though Amazon is a good site and all, it is totally recommended to buy your airsoft weapons and items on airsoft retail sites, including http://airsoftgi.com/ and http://airsoftpost.com/
I found your pistol at the sites! They are cheaper than the one in amazon, plus it comes from a reliable store.
http://www.airsoftpost.com/full-metal-silver-dragon-xcelerator-airsoft-blowback-split-competition-slide-p-25027.html
Use the code: "Frank" as a coupon in the checkout for Airsoft GI for 10% off total order, with automatic free shipping for $100+ orders in the United States (excludes AK and HI).
Use the code: "FREESHIP" as a coupon in the checkout for Evike for free shipping for $100+ orders in the US (excludes AK and HI).
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