Quoted: i kinda have the same problem..... i jsut bought... http://www.gunbroker.com/auction/viewitem.asp?item=24225017 that, and it has a 14.5" barrel, and a flash hider, is it legal for me to put on a lower, is it permanently installed. its not listed under class 3 stuff.
cory
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"is it legal for me to put on a lower?"
Short answer: not on a standard (non-NFA) AR rifle lower; the result would be an unregistered SBR.
From the auction description:
"... 14.5" inch MIL SPEC M-4 SHORT CARBINE BARREL ... comes with the 1/2 x 28 tpi A2 style flash hider mounted as shown..."
This configuration is commonly known to be less than the 16" overall barrel length required by the NFA for
rifles.
There is no FEDERAL minimum or maximum barrel length for AR
handguns, although I am informed that some states may have barrel restrictions for AR handguns.
I don't see in the description that the A2 flash hider is permanently attached, so it should be a simple matter of shipping this upper off to get a longer FH permanently attached without too much difficulty or expense. (I know KKF does this sort of work with an A2-look-alike FH that is long enough)
However, I would not recommend it lingering around other AR's for the reasons in
Kent, above.
K2QB3:
The court in
Kent, above, seemed to focus on the fact that the defendant had no other legitimate purpose for owning the SBR-length upper other than to make an SBR with an existing rifle lower.
The court also examined in
Kent the
US v. Thomson/Contender case (also at Quarterbore
quarterbore.com/library/law/us_v_tc.pdf) the situation where one can make an SBR from a handgun using only the stock from a T/C handgun/carbine combo kit (included with a 16"+ barrel to make the T/C handgun into a carbine).
US v. T/C is a
Supreme Court case, and held that a legitimate use for the short upper (to make a legal handgun) prevented the mere possession of the upper with a non-NFA lower was reason enough not to classify the parts as an unassembled SBR.
The key seems to be "current legitimate use" for the upper, and a spare for an NFA weapon, or as a top to an AR pistol seems to be legit.
Note: Kent's argument that the fully assembled short upper, found complete with batteries in the optic, readily drop-able onto a lower ("under 30 seconds") for a firable Firearm, was kept "for parts" was rejected. You need a real, legitimate use for it.
Cheers, Otto