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Thread: SOT Question: M16 Barrel Length and Form 4s

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October 28th, 2020, 05:04 PM #1
thebearpack

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SOT Question: M16 Barrel Length and Form 4s

Does it matter to the ATF if the upper currently on a registered M16 lower is a different length than what's listed on the form? When buying or selling an M16, do you make sure the barrel length and F4 or F3 match? Basically I want to know if I should have an upper with the appropriate barrel length available should I ever go to sell the gun. Thanks in advance.

Last edited by thebearpack; November 3rd, 2020 at 08:15 AM.

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