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Posted: 12/28/2020 12:52:14 PM EST
[Last Edit: 1/11/2021 5:37:30 PM EST by jlficken]
Still waiting on the grip and most of the upper parts but they're coming.

It's going to have a 10.5" QC10 barrel, old school 9mm forged flat top upper, and MI 9.25" Combat MLOK rail.

Link Posted: 12/28/2020 2:04:00 PM EST
Nice start!
Link Posted: 12/28/2020 2:15:24 PM EST
Nice! What lower?

If you have issues... AR9 blowback basics and common problems/troubleshooting/fixes all in one post. "Lots of 9mm AR information"
Link Posted: 12/28/2020 2:22:07 PM EST
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Originally Posted By Droppoint:
Nice! What lower?

If you have issues... AR9 blowback basics and common problems/troubleshooting/fixes all in one post. "Lots of 9mm AR information"
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It's a Black Creek Precision lower.

Thanks for the link!
Link Posted: 12/28/2020 11:32:52 PM EST
Nice...I have a fondness for the Colt style 9mm AR's.
Link Posted: 12/29/2020 1:14:27 AM EST
Originally Posted By jlficken:
Why they used a FA hammer I don't know but they did.
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You could educate yourself a little.....


Link Posted: 12/29/2020 8:58:01 AM EST
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Originally Posted By IdahoPCCinc:


You could educate yourself a little.....


https://i.imgur.com/Zz9B2We.jpg
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Originally Posted By IdahoPCCinc:
Originally Posted By jlficken:
Why they used a FA hammer I don't know but they did.


You could educate yourself a little.....


https://i.imgur.com/Zz9B2We.jpg



That doesn't answer anything about why they'd put a FA hammer into a non-FA rifle rather than a non-notched hammer.

Link Posted: 12/29/2020 10:15:03 AM EST
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Originally Posted By jlficken:



That doesn't answer anything about why they'd put a FA hammer into a non-FA rifle rather than a non-notched hammer.

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I expect that it is just what they had a lot of.
Link Posted: 12/29/2020 10:18:13 AM EST
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Originally Posted By s4s4u:



I expect that it is just what they had a lot of.
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Originally Posted By s4s4u:
Originally Posted By jlficken:



That doesn't answer anything about why they'd put a FA hammer into a non-FA rifle rather than a non-notched hammer.




I expect that it is just what they had a lot of.



That's the only conclusion I could come up with as well.
Link Posted: 12/30/2020 7:53:46 AM EST
[Last Edit: 12/30/2020 7:56:36 AM EST by davestoll]
Might be because Colt semi-auto hammers are notched and we all know notched hammers won't work with blow back AR-9s.
Link Posted: 1/7/2021 5:10:09 PM EST
[Last Edit: 1/7/2021 5:13:48 PM EST by jlficken]
I got the handguard and barrel.

The receiver and bolt (both CMT) should be here Monday and then I'll get it assembled.

Here it is with a stand-in no feedramp cut upper.  This upper is tight as hell though on the lower so I hope the actually upper that I'll be using is a little sloppier so I don't have to beat the pins in.

MI 9.25" Combat Rail
Magpul panels
Griffin 3-Lug


I've never built an upper so fingers crossed that it goes well!

The finished lower is in the OP.

Link Posted: 1/11/2021 5:38:27 PM EST
It is done and shoots great.  Zero issues in the 100rds I was able to put through it in the time I had.

I'm super happy with it and it's a blast to shoot!

Link Posted: 1/11/2021 6:07:34 PM EST
Looks great, and yes they are a "blast" to shoot!
Link Posted: 1/11/2021 6:50:49 PM EST
[Last Edit: 1/11/2021 6:51:08 PM EST by HDrider]
Congrats on your build. I love shooting mine also, its in sbr form.
Link Posted: 1/11/2021 10:34:15 PM EST
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Originally Posted By HDrider:
Congrats on your build. I love shooting mine also, its in sbr form.
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I have an SBR lower and Hahn block but I like the dedicate lower.

I may SBR this lower though but I want another Omega 9K first.
Link Posted: 1/15/2021 7:59:58 PM EST
looks great, what upper did you end up using. sorry if i overlooked it.
Link Posted: 1/15/2021 8:07:54 PM EST
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Originally Posted By MAZDOG:
looks great, what upper did you end up using. sorry if i overlooked it.
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Thanks!

I bought the upper/bolt combo from this guy on GB.  They are CMT parts and it is a dedicated 9mm upper as it doesn't have a hole for the gas tube.

https://www.gunbroker.com/All/search?IncludeSellers=2507911
Link Posted: 1/16/2021 5:29:55 PM EST
ok, yeah i bought a upper from him for my 9mm build, super nice quality. Congrats again.
Link Posted: 1/21/2021 4:08:58 PM EST
[Last Edit: 1/21/2021 4:19:24 PM EST by bfoosh06]
Link Posted: 1/22/2021 4:30:01 PM EST
Looks good!
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