9mm SBR Question

wilkerr1 · March 14, 2016, 07:06 PM

I have searched the web and just came up being more confused. I want to get a 9mm sbr AR lower, but can't figure out what lower to begin with. I will eventually be adding a upper hosting a Silencerco Octane 9HD suppressor on it. I don't have a preference on Magazine acceptance, since I will be starting from scratch, but from pictures on the web I like the vertical mag wells. Please give me advice and pictures when you have some time.

Sharkbite · March 14, 2016, 07:26 PM

I like the QC 10 lowers. Mine uses the Colt pattern (Uzi) mags. If i lived in a "free state" id go with a Glock mag lower. I only went Colt mag because i had a bunch of those mags from an old Colt SMG i was issues years ago

5.56RifleGuy · March 14, 2016, 11:30 PM

I sell Glock mag lowers made by critical capabilities. They're $169 and work well. Stripped except for the mag release and proprietary parts. They work well with factory glock mags. You can use a sport style upper, but you can get a proprietary one that has a last round bolt hold open included.

I have other 9mm parts available also.

If you are interested, hit me up at [email protected]

9x19 · March 15, 2016, 08:01 AM

There are lots of options these days... I built mine on a Lone Wolf lower that takes Glock mags, but if doing it again today, I'd go with the one from Palmetto State Armory.

I have a few 9mm Glocks on hand, so that's what pushed me in that direction, but I haven't regretted it.

wilkerr1 · March 16, 2016, 08:09 AM

9X19 that is a nice setup. Is that a 10 1/2 inch barrel? Thanks for the advice. Currently looking at QC10 and Palmetto. I will have to see which ones my Class 3 dealer sales.

9x19 · March 16, 2016, 08:38 AM

Yes, 10.5" barrel and linear comp on the end.

Good luck.

wilkerr1 · March 19, 2016, 11:10 AM

I was curious. I have also been looking at Sig MPX as my possible choice of a sbr 9mm. Would you all recommend that over a AR 9mm SBR?

tgreening · August 18, 2016, 12:16 PM

I'm at the other end of this question. Who would be the recommended source for 9mm sbr upper, mounted to a colt style lower?

handlebar · September 10, 2016, 11:06 PM

Here is my Colt 6450 lower and my 10.5" Rock River Arms upper. The suppressor is an ISIS-2 in 9mm. Go to 9mmAR.com for all parts for the 9mm AR platform.

March 14, 2016, 07:06 PM	#1
wilkerr1 Member Join Date: January 14, 2007 Posts: 61	9mm SBR Question I have searched the web and just came up being more confused. I want to get a 9mm sbr AR lower, but can't figure out what lower to begin with. I will eventually be adding a upper hosting a Silencerco Octane 9HD suppressor on it. I don't have a preference on Magazine acceptance, since I will be starting from scratch, but from pictures on the web I like the vertical mag wells. Please give me advice and pictures when you have some time. __________________ Randy W. St. Louis, MO

March 14, 2016, 11:30 PM	#3
5.56RifleGuy Senior Member Join Date: May 9, 2010 Location: USA Posts: 1,212	I sell Glock mag lowers made by critical capabilities. They're $169 and work well. Stripped except for the mag release and proprietary parts. They work well with factory glock mags. You can use a sport style upper, but you can get a proprietary one that has a last round bolt hold open included. I have other 9mm parts available also. If you are interested, hit me up at [email protected] __________________ Sic Semper Tyrannosaurus

March 15, 2016, 08:01 AM	#4
9x19 Senior Member Join Date: October 15, 1998 Location: Sherman, TX USA Posts: 3,750	There are lots of options these days... I built mine on a Lone Wolf lower that takes Glock mags, but if doing it again today, I'd go with the one from Palmetto State Armory. I have a few 9mm Glocks on hand, so that's what pushed me in that direction, but I haven't regretted it. __________________ Make mine lean, mean, and 9x19!

March 16, 2016, 08:09 AM	#5
wilkerr1 Member Join Date: January 14, 2007 Posts: 61	9X19 that is a nice setup. Is that a 10 1/2 inch barrel? Thanks for the advice. Currently looking at QC10 and Palmetto. I will have to see which ones my Class 3 dealer sales. __________________ Randy W. St. Louis, MO

March 16, 2016, 08:38 AM	#6
9x19 Senior Member Join Date: October 15, 1998 Location: Sherman, TX USA Posts: 3,750	Yes, 10.5" barrel and linear comp on the end. Good luck. __________________ Make mine lean, mean, and 9x19!

March 14, 2016, 07:26 PM	#2
Sharkbite Senior Member Join Date: November 4, 2013 Location: Western slope of Colorado Posts: 3,679	I like the QC 10 lowers. Mine uses the Colt pattern (Uzi) mags. If i lived in a "free state" id go with a Glock mag lower. I only went Colt mag because i had a bunch of those mags from an old Colt SMG i was issues years ago

March 19, 2016, 11:10 AM	#7
wilkerr1 Member Join Date: January 14, 2007 Posts: 61	I was curious. I have also been looking at Sig MPX as my possible choice of a sbr 9mm. Would you all recommend that over a AR 9mm SBR? __________________ Randy W. St. Louis, MO

August 18, 2016, 12:16 PM	#8
tgreening Senior Member Join Date: February 7, 2011 Location: NE Ohio Posts: 251	I'm at the other end of this question. Who would be the recommended source for 9mm sbr upper, mounted to a colt style lower?

September 10, 2016, 11:06 PM	#9
handlebar Member Join Date: May 22, 2006 Location: South Florida Posts: 76	Here is my Colt 6450 lower and my 10.5" Rock River Arms upper. The suppressor is an ISIS-2 in 9mm. Go to 9mmAR.com for all parts for the 9mm AR platform.

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