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Posted: 8/11/2020 2:55:33 PM EDT
[#1]
CMMG. Had one, and like a fool, sold mine just before Sandy Hook. It fit metalform and ASC mags fine with no wobble. I tried a friend's homebrew 80% NFA lower, and the wobble with ASC mags was disconcerting.
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Posted: 8/11/2020 3:06:36 PM EDT
[#2]
Topic Moved
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Posted: 8/11/2020 3:30:50 PM EDT
[#3]
I have a Spikes lower on a stock colt upper and it runs great.
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Posted: 8/11/2020 3:36:54 PM EDT
[#4]
I built mine on a Spike's, it was flawless before the 9mm ammo disappeared. Not dipping into my stash any further.
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Posted: 8/11/2020 4:01:32 PM EDT
[#5]
Finding a variety of Lowers is pretty hard right now...
Spikes, CMMG Quarter circle are all good choices. My last build was on PSA's colt mag lower. Minor tweak of the ejector had it running great. Price has went up $100 since I bought but hey, it's in stock as of this post! https://palmettostatearmory.com/psa-9mm-dedicated-complete-coltc-style-magazine-lower-classic.html They offer a Pistol RE version for a bit less too... |
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Posted: 8/11/2020 7:00:47 PM EDT
[#6]
I used one of these for my CMMG DRB build. https://www.smftactical.com/9mm-80-colt-lower-receiver-slim/ I had to modify the feed ramp since the feeding is different in the DRB than a straight blow back. They have blemished lowers available at a lower cost.
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Posted: 8/12/2020 1:44:47 PM EDT
[#7]
anyone know anything about the Gun Point colt mag lowers? specs on paper look nice, basically the same as QC10 minus the QC10 price
https://store.avguns.com/gun-point-custom-shop/gpm-avenger-gen2-9mm-dedicated-colt-mag-lightweight-billet-lower-receiver/ |
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Posted: 8/12/2020 11:29:17 PM EDT
[#8]
I used Spikes upper and lower on my Colt mag build.
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Posted: 8/12/2020 11:30:41 PM EDT
[#9]
My Favorite dedicated lower for 9mm colt or glock is Black Creek Precision
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Posted: 8/13/2020 1:39:57 PM EDT
[#10]
I like the new style CMMG MK9 lowers. Its has a simple design of a small gear on the mag well and as stated above fits the Metalform form mags perfectly with no wobble.
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Posted: 8/13/2020 2:17:50 PM EDT
[#11]
Quoted: Building first ar9. Most popular lower to buy? Just looking for recommendations. Thanks! Edited because I didn't see that he is after a colt lower. At this point I would say that availability will be the OP's only issue, and what will probably dictate his choice . |
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Posted: 8/13/2020 5:24:44 PM EDT
[#12]
I like the Spikes Colt lower. Comes with the bolt catch, mag catch, takedown pins and detents installed, all you need is trigger, safety, and buffer retainer to complete it. A pretty sweet deal for $157.00.
https://www.joeboboutfitters.com/Spike-s-Tactical-9MM-COLT-Style-Lower-Forged-Spide-p/sp-stls910.htm |
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Posted: 8/14/2020 11:20:58 AM EDT
[#13]
Quote HistoryQuoted: My Favorite dedicated lower for 9mm colt or glock is Black Creek Precision I have built 3 Colt style on Black Creek Precision’s. 1 for me, 1 for wife, and helped a buddy build one. Highly recommend, plus they keep the original AR Receiver styling so it blends well with a GI style, non billet, upper. They also have little touch’s like threaded bolt catch slot, tensions screw, and are equipped with a lifter so it uses standard Bolt catches vs the long finger 9mm ones. |
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Posted: 8/14/2020 12:21:43 PM EDT
[#14]
Quote HistoryQuoted: anyone know anything about the Gun Point colt mag lowers? specs on paper look nice, basically the same as QC10 minus the QC10 price https://store.avguns.com/gun-point-custom-shop/gpm-avenger-gen2-9mm-dedicated-colt-mag-lightweight-billet-lower-receiver/ I bought two when they were a bit cheaper last year. Haven’t built them into any guns but they look nice. I’d get the Spikes over these from Joebob at the price point personally though. |
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Posted: 8/15/2020 12:52:12 AM EDT
[#15]
Quote HistoryQuoted: I have built 3 Colt style on Black Creek Precision’s. 1 for me, 1 for wife, and helped a buddy build one. Highly recommend, plus they keep the original AR Receiver styling so it blends well with a GI style, non billet, upper. They also have little touch’s like threaded bolt catch slot, tensions screw, and are equipped with a lifter so it uses standard Bolt catches vs the long finger 9mm ones. Quote HistoryQuoted: Quoted: My Favorite dedicated lower for 9mm colt or glock is Black Creek Precision I have built 3 Colt style on Black Creek Precision’s. 1 for me, 1 for wife, and helped a buddy build one. Highly recommend, plus they keep the original AR Receiver styling so it blends well with a GI style, non billet, upper. They also have little touch’s like threaded bolt catch slot, tensions screw, and are equipped with a lifter so it uses standard Bolt catches vs the long finger 9mm ones. I built 3 posties for a company I consult for as production samples for a foreign sale.....went 17,000 rounds with no malfunctions between the three guns on colt pattern lowers, built form Black Creek 80% that Darrin was kind enough to supply......all with different stock systems. For personal guns....Black Creek is all I use anymore |
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Posted: 8/15/2020 11:22:52 AM EDT
[#16]
Quote HistoryQuoted: I built 3 posties for a company I consult for as production samples for a foreign sale.....went 17,000 rounds with no malfunctions between the three guns on colt pattern lowers, built form Black Creek 80% that Darrin was kind enough to supply......all with different stock systems. For personal guns....Black Creek is all I use anymore Holy crap!! 17000!?!? Mine has the most so far and is probably around 3500 +/-. It seems like every time I take it out it gets 300 rds or so because other people have so much fun shooting it. Mine have been very reliable with just a handful of FTFs At first until I realized the powder coat on the ASC mags was a little thick. After I sanded the coat off the Inside of the feed lips, 100% with everything, except some Winchester PDX I had in a big bag of mixed hollow points. The PDX caused a jam every single time, case would end up 180* with the rim jammed against breech face pinned by the bolt. I do need to make one change as I built mine with the Thordsens brace, and I am going to switch to one of the SBA3 braces as it was not available when I built mine, but seems immensely more versatile. |
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