Glock or Colt 9mm AR lower?

[OneGuy67]

I am considering building a dedicated 9mm AR and I've seen lowers being offered for both a Glock magazine and a Colt magazine. JoeBob's has a 80% lower for Glock, but the uppers are always sold out. There are others who sell 80% lowers for the Colt magazine. Which one do you think? Or is it really just personal preference of metal mags verses plastic mags? The prices for each are about the same.

[Monky]

I went with a glock lower for mine. Easier to find mags for it imo... I already have plenty, but I'm not worried about not finding any locally. It'll take all the glock 9mm mags.. 19, 17.. 33rd.. Hell I could turn it to a .40 with just a barrel swap.

For the uppers, well.. depending on what lower you go with you can use any upper.. the qc10 work with a variety of uppers. They have their own, but they'll also run just about any one.

[SouthPaw]

I was in the process of building my QC-10 glock 9mm lower before I heard these were coming out this year.

https://angstadtarms.com/udp-9/

For the price, I do not think you can build one cheaper. Being a factory rifle, I am holding out for one of these. I saw one for sale in Colorado Springs and it was around $1,100 IIRC.

[RCCrawler]

I prefer the colt version and built mine as such. I've got plenty of Colt SMG mags.

[funkymonkey1111]

I am considering building a dedicated 9mm AR and I've seen lowers being offered for both a Glock magazine and a Colt magazine. JoeBob's has a 80% lower for Glock, but the uppers are always sold out. There are others who sell 80% lowers for the Colt magazine. Which one do you think? Or is it really just personal preference of metal mags verses plastic mags? The prices for each are about the same.

i've had the same question, but i am leaning towards the glock, especially given the 33 round mags available that i'm sure you pre-stocked prior to the ban.

[Colorado Osprey]

I understand the reasons for making a dedicated 9mm using the Colt design pistol upper. But have your considered a Oly design which Colt multiple times has tried to acquire so they could make those instead of their own? No dedicated lower needed. The new Oly mags are plastic but STEN mags are still plentiful and cheap if you use a block.

I am running Oly design and a couple of my friends have went the Colt design and sold them to get the Oly design.

The only real drawback to the Oly design is you dont get to fuss with it to get it to run reliably. They run great out of the box.

[Wulf202]

Nfa the maker of that 80% lower has their upper which has a working bho. You can build using any colt upper and modify the bolt or buy just the bolt. The bho will not work without factory upper though

Glock mags are metal lined but magpul has proven that to be a non issue

[Great-Kazoo]

I am considering building a dedicated 9mm AR and I've seen lowers being offered for both a Glock magazine and a Colt magazine. JoeBob's has a 80% lower for Glock, but the uppers are always sold out. There are others who sell 80% lowers for the Colt magazine. Which one do you think? Or is it really just personal preference of metal mags verses plastic mags? The prices for each are about the same.

Piece the upper together. BBl is 10.5" GM, CMMG BCG (i profiled it for the glock mag) upper, float tune, grip LPK ALL from the parts bin.
Ti can is F1 ;) with SDTA brake. total $$ Less can & stamp $500. I might cut the bbl back another 4" I put a RDS after pics taken
64288 64289 64290





I was in the process of building my QC-10 glock 9mm lower before I heard these were coming out this year.

https://angstadtarms.com/udp-9/

For the price, I do not think you can build one cheaper. Being a factory rifle, I am holding out for one of these. I saw one for sale in Colorado Springs and it was around $1,100 IIRC.



Something like that link can be built for under $1K PROVIDING you go with a sig brace. OR Form 1 , then add stock

[RonMexico]

I would use a New Frontier Armory upper and lower, they are price right and have good reviews. Hopefully, I'll be building a 8" pistol later this year. Good luck

if if you are going colt mag.... CMMG has so impressive uppers and lowers... Ask the guys at the shop about them.

[BPTactical]

Take a look at Quarter Circle 10's offerings.

[OneGuy67]

I understand the reasons for making a dedicated 9mm using the Colt design pistol upper. But have your considered a Oly design which Colt multiple times has tried to acquire so they could make those instead of their own? No dedicated lower needed. The new Oly mags are plastic but STEN mags are still plentiful and cheap if you use a block.

I am running Oly design and a couple of my friends have went the Colt design and sold them to get the Oly design.

The only real drawback to the Oly design is you dont get to fuss with it to get it to run reliably. They run great out of the box.

I'm old school and Oly didn't have the best reputation for the longest time. They may have improved vastly since then, but the prejudice still exists.


Nfa the maker of that 80% lower has their upper which has a working bho. You can build using any colt upper and modify the bolt or buy just the bolt. The bho will not work without factory upper though

Glock mags are metal lined but magpul has proven that to be a non issue

I was leaning in that direction; however, they can't keep their uppers in stock. I don't know when they will get more.


Piece the upper together. BBl is 10.5" GM, CMMG BCG (i profiled it for the glock mag) upper, float tune, grip LPK ALL from the parts bin.
Ti can is F1 ;) with SDTA brake. total $$ Less can & stamp $500. I might cut the bbl back another 4" I put a RDS after pics taken
64288 64289 64290








Something like that link can be built for under $1K PROVIDING you go with a sig brace. OR Form 1 , then add stock

Yup! I am cheap and I build things item by item as I can afford them. I think this build will be my first foray into the SBR world. I have to read your post you did earlier about the changes coming down to determine which way to go.

[Sam]

I was in the process of building my QC-10 glock 9mm lower before I heard these were coming out this year.

https://angstadtarms.com/udp-9/

For the price, I do not think you can build one cheaper. Being a factory rifle, I am holding out for one of these. I saw one for sale in Colorado Springs and it was around $1,100 IIRC.
I was just going to suggest them. Let me know if you're interested, I can help you get an upper/lower set.

Sent by means of the electric internet

[Colohunter]

I went old school with a magwell block on a standard lower receiver. I built my 9mm as a pistol and wanted the option to be able to swap uppers to other calibers, especially if I ever get around to registering it as an SBR. I don't have the bolt hold open with this mag block, but otherwise I have been happy with it.



https://www.youtube.com/watch?v=A6rYTcqdrUs

[KS63]

Honest question here. I've noticed more and more people building 9mm AR rifles. What's the attraction? Can't see it being a ballistic advantage over the other caliber options available in the AR platform. Build price is cheaper? Or is it the new Black? Thanks.

[Great-Kazoo]

Honest question here. I've noticed more and more people building 9mm AR rifles. What's the attraction? Can't see it being a ballistic advantage over the other caliber options available in the AR platform. Build price is cheaper? Or is it the new Black? Thanks.

PCC that uses glock mags goes with glock pistol. Having 2 platforms utilizing the same mag is the attraction. When traveling we bring an assortment of personal protection with us. The spouse likes her 26 for "on person" carry and the JRC as small carbine. 1 mag feeds 2 guns, keeping inventory of mags taken, down to 1 (for her)
I can also bring my ddles (now QC10) built pistol as fall back unit, depending what state we're going to & through

[XXFattyHunterXX]

Honest question here. I've noticed more and more people building 9mm AR rifles. What's the attraction? Can't see it being a ballistic advantage over the other caliber options available in the AR platform. Build price is cheaper? Or is it the new Black? Thanks.

Easier to build (no gas block or gas tube), cheaper and way fun to shoot!

http://i238.photobucket.com/albums/ff125/the_family_guy_1991/Mobile%20Uploads/IMG_20160420_213907.jpg (http://s238.photobucket.com/user/the_family_guy_1991/media/Mobile%20Uploads/IMG_20160420_213907.jpg.html)

[Hoser]

I went with Colt mags over Glock mags because they are easier to load.

[mtnrider]

Honest question here. I've noticed more and more people building 9mm AR rifles. What's the attraction? Can't see it being a ballistic advantage over the other caliber options available in the AR platform. Build price is cheaper? Or is it the new Black? Thanks.

For me they are just a absolute blast to shoot, suppress very nicely, 9mm is easy and cheap to reload etc. I have several PCC's SBR's now and probably shoot them more then any other guns in my collection.


.

[longrange2]

I went Colt as well, I can't stand the look of the Glock lowers and the way the magazine angles backwards. Just an aesthetics thing for me.

[paddywagon]

I own 2 of the Colts as one wasn't enough! If you keep your eyes open on GB complete kits minus the lower pop up fairly regularly on there for $6-700. They are from demilled LE sub guns and will make a great start for the build. You can use any AR lower or a dedicated from Rock River or CMMG and you will have a great shooter! Uzi mags also work with a little Dremel work to modify them. Try this one http://www.gunbroker.com/Auction/ViewItem.aspx?Item=557704961

[Zundfolge]

Honest question here. I've noticed more and more people building 9mm AR rifles. What's the attraction? Can't see it being a ballistic advantage over the other caliber options available in the AR platform. Build price is cheaper? Or is it the new Black? Thanks.

Also USPSA has started a Pistol Caliber Carbine division.
http://cdn3.volusion.com/ltygu.cqyxa/v/vspfiles/photos/GLK-18-2T.gif?1455296083

I think these mags would look cool with a Glock mag AR:

http://www.etsgroup.us/ETS-Group-Glock-Magazines-s/1823.htm (they have East California compliant mags too).

[Grant H.]

Damn.

Add another build to the future project list.

It's expensive reading through some of the sub forums.

http://www.picgifs.com/smileys/smileys-and-emoticons/money/smileys-money-702364.gif (http://www.picgifs.com/smileys/)

[RCCrawler]

Love mine, built it years ago when DDLES was still making the lowers. I went with the colt mag as well, easier to load, and didn't like the look of the angled glock mags. Fun and economical to shoot suppressed.

6540365404

[AF FAL]

I went Colt style on an RRA upper and dedicated lower, did a Form 1 a year ago or so and put a 8.5" barrel on it. I like that I can use modified UZI mags, and they were cheap and readily available when I built mine. I wanted an UZI in the future when I built mine (building now), so it made sense that way too.

[cstone]

I have a DDLES lower and the .40 S&W bolt from quarter circle 10, but just haven't been able to find a 16" barrel in either .40 S&W or .357 SIG. Once I find the barrel, I will have an PCC AR.

I spent some time reading up on the TNW Aero Survival Rifle. The caliber swap makes it similar to the JR Carbine, and the takedown puts the size in the same area as the Kel Tec Sub 2000.

http://www.tnwfirearms.com/product-p/asrx-cplt-xxxx-xxxx-xxxx.htm

I would still like an HK MP5-40, but the money just isn't there for me to scratch that itch.