Author Topic: Does anyone need a 3 inch 9mm AR barrel for an SBR?  (Read 586 times)

Big Frank

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Does anyone need a 3 inch 9mm AR barrel for an SBR?
« on: September 30, 2022, 04:10:25 AM »
Does anyone need, or want, a 3 inch 9mm barrel to build a SBR or AR pistol? SOT MFG makes this one. I don't know if the chamber starts at the breech, or if it's like a regular AR barrel with the chamber in front of the barrel extension, in which case it would be a 2 1/2 inch barrel. Someone with a pistol caliber AR should know. I think it's 3 useable inches.
""It may be laid down as a primary position, and the basis of our system, that every Citizen who enjoys the protection of a free Government, owes not only a proportion of his property, but even his personal services to the defence of it, and consequently that the Citizens of America (with a few legal and official exceptions) from 18 to 50 Years of Age should be borne on the Militia Rolls, provided with uniform Arms, and so far accustomed to the use of them, that the Total strength of the Country might be called forth at a Short Notice on any very interesting Emergency." - George Washington. Letter to Alexander Hamilton, Friday, May 02, 1783

THE RIGHT TO BUY WEAPONS IS THE RIGHT TO BE FREE - A. E. van Vogt, The Weapon Shops of Isher

billt

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Re: Does anyone need a 3 inch 9mm AR barrel for an SBR?
« Reply #1 on: September 30, 2022, 04:25:30 AM »
I can't think of anything more worthless. You wouldn't get 10% of the powder burned. Muzzle velocity would be all but nil. Unless you screwed around trying to handload 5.56 MM with Bullseye, or some such nonsense.

Big Frank

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Re: Does anyone need a 3 inch 9mm AR barrel for an SBR?
« Reply #2 on: September 30, 2022, 08:52:09 AM »
It's a 9mm Bill. But it's still worthless, unless you put a suppressor on it. You could put a can so big on it, all the gasses from supersonic ammo would slow down to subsonic velocity before they left the muzzle.

Here's my rendition of an Aero Precision EPC-9 Carbine with this 3 inch barrel. Just because it's stupid, doesn't mean it can't be EPiC. ;D And you can quote me on that, just don't write it on my grave marker. I already made plans for that. The forend is so short there's not even room for ONE M-LOK slot on the bottom or sides. It took me all night to make this silly thing. Now I have to finish eating, and see if I can get a half hour sleep before I get up to get ready for my dental appointment. Not likely, since it usually takes me an hour to fall asleep. Maybe I can take a nap in the dentist's chair.

P.S. You can extend the stock partway and it could be more than half the the length of the entire rifle.
""It may be laid down as a primary position, and the basis of our system, that every Citizen who enjoys the protection of a free Government, owes not only a proportion of his property, but even his personal services to the defence of it, and consequently that the Citizens of America (with a few legal and official exceptions) from 18 to 50 Years of Age should be borne on the Militia Rolls, provided with uniform Arms, and so far accustomed to the use of them, that the Total strength of the Country might be called forth at a Short Notice on any very interesting Emergency." - George Washington. Letter to Alexander Hamilton, Friday, May 02, 1783

THE RIGHT TO BUY WEAPONS IS THE RIGHT TO BE FREE - A. E. van Vogt, The Weapon Shops of Isher

billt

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Re: Does anyone need a 3 inch 9mm AR barrel for an SBR?
« Reply #3 on: September 30, 2022, 11:57:22 AM »
My bad. I didn't pay attention to the markings.  :o

 

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