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Once a rifle指的是你在4473表上的category。理论上,如果你买了个lower,在表格上是other。你需要先给他拼成手枪,然后就随便了,只要枪托(stock)和短管上身不同时出现在上面(没邮票私造sbr),就没事。
这里是ATF官网的ruling。
Assuming that the firearm was originally a pistol, the resulting firearm, with an attached shoulder stock, is not an NFA firearm if it has a barrel of 16 inches or more in length. Pursuant to ATF Ruling 2011-4, such rifle may later be unassembled and again configured as a pistol. Such configuration would not be considered a “weapon made from a rifle” as defined by 26 U.S.C. § 5845(a)(4).
[26 U.S.C. § 5845, 27 C.F.R. § 479.11; ATF Ruling 2011-4]
https://www.atf.gov/firearms/qa/ ... registering-firearm |
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