I thought the Panzer was surprisingly well built. I ended up putting around 30 mixed varieties of shells thru it. Ate them all without complaint. I didnt pattern it but assume it's going to be similar to the M4. It's a M4 clone. It even looked like the Benelli.
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For the price of this 'Turknelli" you can't beat it. I read all the parts are Benelli compatible, so if you wanted to upgrade or add some M4 specific accessories they fit. It doesnt have the fit and finish of the M4 or the Benelli cachet, but having an almost identical twin has got me interested. I wouldn't worry about tossing it into my truck or SxS.