so even though an m2 reciever is mechanically identical to an m1 carbine reciever, its unlegal, right?
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http://www.wwiiguns.com/store/images...ack_2_wwii.jpg
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http://www.impactguns.com/store/medi...GT_3003309.jpg
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http://www.olive-drab.com/images/id_...ine_700_07.jpg
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http://world.guns.ru/rifle/m2car.jpg