You could try - but Half-blocks are quite complicated bits of kit
Besides if you support your local shops/industries, then you'll have a place to go if you break your gat - if not you'll be sending it away to the US to get it fixed, or facing a hefty bill over here
Plus Customs don't take to kindly to having their share taken away from them, and if (a big if, but worth considering) they find out, then they can get very shirty with you
Remember - only the IR could take down Capone!