What is the shortest legal barrel on a rifle?

16 inch
Examples of minimum length requirements in federal law [ATF-NFA] include: 16 inch barrel length for rifles, 18 inch barrel length for shotguns, and 26 inch overall length for both rifles and shotguns.

Is a 10.5 inch barrel considered a rifle?

The National Firearms Act of 1934 (NFA) defined any rifle with a shoulder stock and barrel less than 16 inches in length and 26 inches in overall length to be a “short barreled rifle” (SBR) and required a citizen to fill out a BATFE Form 4 and pay a $200 NFA Tax Stamp.

What constitutes a short-barreled rifle?

(8) The term “short-barreled rifle” means a rifle having one or more barrels less than sixteen inches in length and any weapon made from a rifle (whether by alteration, modification, or otherwise) if such weapon, as modified, has an overall length of less than twenty-six inches.

Is a 14.5 barrel An SBR?

So if your question is if an AR rifle with a 14.5 inch barrel is an SBR, the answer is yes. By federal law, an SBR is a rifle with a barrel length of less than 16 inches.

How long is an M16 barrel?

20 in
M16 rifle

Rifle, Caliber 5.56 mm, M16
Mass	7.5 lb (3.40 kg) (unloaded) 8.81 lb (4.00 kg) (loaded with 30 rounds and sling)
Length	39.5 in (1,003 mm)
Barrel length	20 in (508 mm)
Cartridge	5.56×45 mm NATO (M193)

Is a carbine a SBR?

The Sharp Shooter sells a variety of Short Barreled Rifles (SBRs) which is any rifle, carbine, or pistol caliber carbine with a barrel length shorter than 16” or an overall length shorter than 26” is classified as a short barrel rifle (SBR) by the National Firearms Act (NFA).

Can a SBR be multi caliber?

Changing your SBR upper with a different caliber than the registered lower is possible. Since you can’t use “multi” caliber on the ATF Form 1 application anymore, many people ask us. Can I change the upper caliber on my registered [tax stamped] lower SBR? The answer is yes.