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Member
i am in the process of building an ar with a 10.5" barrel. i read somewhere that i may not be able to use a front sight gas block with a bayonet lug on it. is that true? also, i would need to use a pistol stock, correct? i haven't ordered any lower parts yet so i want to make sure before i buy anything and can't use it. i live in ohio if that matters. any info would help greatly.
Senior Member
If you dont have the SBR paperwork you will need to have your lower configured as a pistol. This also means no verticle grips on the upper.
Edit: I misread your OP. Several companies make 10.5 inch barrels with a standard FSB.
http://noveskerifleworks.com/cgi-bin...status=&title=
Last edited by C-grunt; 04-30-12 at 18:15.
C co 1/30th Infantry Regiment
3rd Brigade 3rd Infantry Division
2002-2006
OIF 1 and 3
IraqGunz:
No dude is going to get shot in the chest at 300 yards and look down and say "What is that, a 3 MOA group?"
Member
i see on the site you posted that it also has a full stock and not a pistol stock. don't i need to get a lower with a pistol stock or not? i was under the impression i needed a pistol stock. what a pain this seems to be.
Senior Member
Are you building a SBR (Short Barreled Rifle) or are you building a "Pistol" type AR?
You're not making it very clear as to what you"re wanting to build.
I have a 10.5" SBR and it has an "F" marked FSB with bayonet lug and there's no problems with it.
I'm not all too sure about OH laws regarding SBRs, I would suggest looking up your state and local laws prior to building.
Another great reference area on M4C is the NFA section. There is a whole lotta information there regarding NFA builds/items.
Originally Posted by jeto
i am in the process of building an ar with a 10.5" barrel. i read somewhere that i may not be able to use a front sight gas block with a bayonet lug on it. is that true? also, i would need to use a pistol stock, correct? i haven't ordered any lower parts yet so i want to make sure before i buy anything and can't use it. i live in ohio if that matters. any info would help greatly.
Member
next question. if i were to buy a 5.5" flash hider, could i use the rifle lower with rifle stock? it would bring the barrel length to a total of 16"s.
http://www.ftfindustries.com/mm5/mer...gory_Code=ARMA
isn't that the same thing as my 14.5" barrel with a 1.5" flash hider, making it a total of 16"s?
Member
i am wanting to build a short barreled rifle
Senior Member
Go here:
http://m4carbine.net/forumdisplay.php?f=9
Lots of great information for you to start with.
Member
You'd have to permanently attach the flash hider, but yes, that would be legal to use with a rifle lower. If you're going to go that route, you may as well just get a 16" barrel...I don't see the point in a 10.5" barrel with a permed 5.5" FH...
ETA: If you want to go the SBR route, do plenty of research on here. There is a ton of information. It seemed like a pain in the ass to me at first too but it's actually pretty simple.
Last edited by MrSmitty; 04-30-12 at 18:49.
Senior Member
If you want to build a Short Barrelled Rifle(SBR), you'll need to file paper work as mentioned above. Or...you could put the upper on a pistol lower, which in itself has it's own restrictions(less ideal choice IMHO)
I suggest you browse the NFA section and more importantly check your state's NFA laws.
For your next question: if i were to buy a 5.5" flash hider, could i use the rifle lower with rifle stock? it would bring the barrel length to a total of 16"s.
http://www.ftfindustries.com/mm5/mer...gory_Code=ARMA
isn't that the same thing as my 14.5" barrel with a 1.5" flash hider, making it a total of 16"s?
-- yes but it would no longer be an SBR. It would just be another 16" carbine, minus the benefits of a real 16" barrel.
Last edited by Col_Crocs; 04-30-12 at 18:53.
Member
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