Quote Originally Posted by cringe View Post
Hi, several years ago I experimented with building a 'sparklets' bulb powered gun. Not a rifle but a double barrelled .410 bore pistol, I was amazed at the power! and during my experiments I found that co2 works better in larger bores. I guess it's to do with expansion rates. I did not progress any further, as I don't like porridge! but it could have been even better if I had fitted some sort of heater device.
best regards Al
Hence the latest .68 bore Umarex T4E HDS 68.


Baz