Well go here:
www.atthefront.com they are where most of us get our uniforms and equipment, 90% of it is reproduction stuff, but identical to original. We also get the real stuff from europe, one of our members runs a small business that brings artifacts back from across the pond. As for weapons, they are all out there, Mausers are REALLY cheap, usually no more than $150 at a gun show or by private sale. The MP40's usually run between 5 and 8 thousand bucks but as they are an automatic weapon, they have to be registered with the ATF, and you have to have a class 3 liscense. As for the MG42's (we are getting our second one this month!) they run up to $20000, and you have to have a liscence and go through the ATF, as with all automatic weapons.
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"Victory at any Price!"
SS-Panzergrenadier