Fletcher pushed back, responding that inside the wake with the Las Vegas capturing it “would've been irresponsible for your ATF not to” revisit its earlier interpretation in the definition of machine gun, and to revise it if it concluded that it had been incorrect. (Undersea boats, or U-boats) in 1906, https://machguns.com/product/lot-1448-dlo-1919a4-browning-class-iii-nfa-fully-transferable/