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Posted: 3/28/2018 11:14:32 AM EDT
Greetings pistol pros.
I just purchased this Angstadt 9mm Glock mag-compatible Lower:  Attached FileMy intent is to make a PDW-style 9mm AR pistol. 1) What are the best PDW-style pistol braces? Maxim? 2) Do these braces require any special buffer/buffer tubes? 3) What are my best choices/sources for Glock mag-compatible uppers? 4) 9mm 4-8" Barrel choices/sources? 5) Side charging? 6) other thoughts? Cheers. |
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Posted: 3/28/2018 10:08:54 PM EDT
[#1]
Best braces are upcoming sba3 and the new doublestar imo..
First supposedly works work standard Milspec tube, second a standard pistol tube but check diameter range.. Check out FM products.. honestly your brand lower only really matches well aestheticly with their upper. So maybe look at building based off their upper. FM barrel and bolt is a beauty. |
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Posted: 3/29/2018 2:01:00 AM EDT
[#2]
Quoted:
Greetings pistol pros. I just purchased this Angstadt 9mm Glock mag-compatible Lower: https://www.AR15.Com/media/mediaFiles/285/9mm-1-484269-496633.JPG My intent is to make a PDW-style 9mm AR pistol. 1) What are the best PDW-style pistol braces? Maxim? 2) Do these braces require any special buffer/buffer tubes? 3) What are my best choices/sources for Glock mag-compatible uppers? 4) 9mm 4-8" Barrel choices/sources? 5) Side charging? 6) other thoughts? Cheers. Try looking at a few of them for the information you are wanting. There is alot of good info just in the 1st two or 3 pages of this area of the forum. _ |
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Posted: 3/30/2018 10:38:53 AM EDT
[#3]
Quote HistoryQuoted: Most...if not all these questions have been talked about in other build threads....or have their own threads. Try looking at a few of them for the information you are wanting. There is alot of good info just in the 1st two or 3 pages of this area of the forum. _ Especially regarding the Angstadt lower... From an aesthetic point of view, Does the design of the Angstadt lower really make getting an Angstadt upper a preferred course of action? From a functional point of view, are there any downsides to getting a side charging upper? Would any of the common side charging uppers match the Angstadt lower better than others? Matrix, FM, NFA, etc. |
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Posted: 3/30/2018 5:18:40 PM EDT
[#4]
Quote HistoryQuoted: Having spent many hours now reading these threads, some questions remain. Especially regarding the Angstadt lower... From an aesthetic point of view, Does the design of the Angstadt lower really make getting an Angstadt upper a preferred course of action? From a functional point of view, are there any downsides to getting a side charging upper? Would any of the common side charging uppers match the Angstadt lower better than others? Matrix, FM, NFA, etc. I have an Angstadt Arms 1045 lower which is a .45 cal and I had the excact same question as you. In my opinion YES, get the Angstadt Upper too because the lines will line up. These aren’t great pictures but hopefully you can see the lines.  Attached File Attached FileNow for the side charging question. I don’t like mine. I have a Quarter Circle 10 9mm Colt Lower and a Quarter Circle 10 Side Charging Upper. The Upper is made by Gibbz for QC 10 . In my opinion the finger latch to charge it is too small, and I have medium hands. Sometimes it doesn’t want to depress so I have to fiddle with it to make it depress. It is annoying as shit. That doesn’t mean all side chargers are like this though.  Attached File |
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Posted: 3/30/2018 11:13:52 PM EDT
[#5]
Thanks!
One piece at a time... |
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Posted: 3/31/2018 12:23:03 AM EDT
[#6]
Just a heads up...got our Lathe issues straightened out.....and should be restocking the website with Macon Armory barrels in the coming weeks.....
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Posted: 4/10/2018 8:44:47 PM EDT
[#7]
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Posted: 4/11/2018 6:11:43 PM EDT
[#8]
Weight wise, the best option would be a blade, tailhook, or doublestar brace. The pdw style look cool, but are expensive and heavy.
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Posted: 4/22/2018 11:23:28 AM EDT
[#9]
5.25” SLR Handguard added to the project...
 Attached FileLooking at a 5.5” Ballistic Advantage barrel. |
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Posted: 4/22/2018 1:43:23 PM EDT
[#10]
I have 5 and 8.5 in stock.....let me look on my bench and make sure I don't still have a 5.5 .......if running a flash can, it won't matter....
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Posted: 4/22/2018 5:06:13 PM EDT
[#11]
Quote HistoryQuoted:
I have 5 and 8.5 in stock.....let me look on my bench and make sure I don't still have a 5.5 .......if running a flash can, it won't matter.... 5.5”? 5”? Thanks! |
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Posted: 4/22/2018 7:25:43 PM EDT
[#12]
you'd need about a 6.25 to 6.5 inch barrel....
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Posted: 4/22/2018 9:00:52 PM EDT
[#13]
Quote HistoryQuoted: With the 5.25” Handguard, what is the shortest barrel I can use, and still use s flash hider? 5.5”? 5”? Thanks! On a standard rifle barrel, the chamber starts partway through the barrel extension, so the legal barrel length is shorter than the OAL. If you ever plan to use a suppressor, you might consider installing a 3-lug adapter instead of a flash hider or flash can. It never hurts to plan ahead. |
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Posted: 4/22/2018 9:01:58 PM EDT
[#14]
Quote HistoryQuoted:
you'd need about a 6.25 to 6.5 inch barrel.... Edit: addressed above. |
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Posted: 4/22/2018 9:11:18 PM EDT
[#15]
Quote HistoryQuoted:
Best braces are upcoming sba3 and the new doublestar imo.. First supposedly works work standard Milspec tube, second a standard pistol tube but check diameter range.. Check out FM products.. honestly your brand lower only really matches well aestheticly with their upper. So maybe look at building based off their upper. FM barrel and bolt is a beauty. Get the SB Tactical PDW. 
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Posted: 4/22/2018 10:02:13 PM EDT
[#16]
I prefer the 8" to 8.5" barrel
Get a 1 in 16" twist barrel for best accuracy with all ammo, including sub-sonic 147gr. No 9mm barrel should ever have a 1 in 10" twist. Target shooters using 115gr target loads use 1 in 32" twist barrels. I personally prefer the SBA3 brace. |
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Posted: 4/26/2018 4:44:13 AM EDT
[#17]
Quote HistoryQuoted:
I prefer the 8" to 8.5" barrel Get a 1 in 16" twist barrel for best accuracy with all ammo, including sub-sonic 147gr. No 9mm barrel should ever have a 1 in 10" twist. Target shooters using 115gr target loads use 1 in 32" twist barrels. I personally prefer the SBA3 brace. 
9mm Twist Rates: Glock (All 9mm): 9.84" S&W M&P-9: 10" H&K VP-9: 9.8" H&K P30: 9.84" H&K P2000: 9.84" CMMG: 10" Ruger PC-9: 10" Macon Armory: 10" Kel-Tec Sub-2000: 10" I know there are some manufacturers that use a 1:16" twist (like KKM), but I'd much rather stick with what the majority of manufacturers are using, which is 1:10". |
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Posted: 5/1/2018 3:41:04 PM EDT
[#18]
question, how do I post just the image and not the link, have tried and this works on all other forums except here, why ?
Almost done, not sure I even need a flash sup/hider on a 9mm, thoughts? 
 This all breaks down and fits in my standard attaché. |
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Posted: 5/1/2018 8:55:50 PM EDT
[#19]
Why not put a flash can on it? That's a nice setup.
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Posted: 5/1/2018 9:41:42 PM EDT
[#20]
I went with an X Products side charging upper for my QC10 Glock lower build. I don’t care for the braces and SBR’d mine so I can’t help with that question. As for the details of my build, the parts list is below. I ran 300 rounds through it so far and it’s running flawlessly.
QC10 lower QC10 BCG QC10 7 1/2” barrel Hydrolic buffer Noveske NSR rail Colt LPK X Products side charging upper Aimpoint PRO I have an Aimpoint T2 and LaRue LT660 that’s taking the place of the PRO this week.  Attached File |
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Posted: 5/1/2018 10:12:21 PM EDT
[#21]
I have a matching Angstadt upper on the way...
Going with a BA 5.5” or a Macon Armory 5” barrel. |
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Posted: 5/1/2018 10:39:35 PM EDT
[#22]
Quote HistoryQuoted:
I have a matching Angstadt upper on the way... Going with a BA 5.5” or a Macon Armory 5” barrel. 
and this is on a QC10....... 
 9mm FA test |
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Posted: 5/5/2018 6:37:00 PM EDT
[#23]
@Mad-Machinist : I see the bolt. You guys have Glock-compatible bolt carrier groups?
I bought the Angstadt upper...  Attached File |
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Posted: 5/6/2018 3:42:58 PM EDT
[#24]
all the bolts on the website are Glock compatible...
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Posted: 5/6/2018 4:06:16 PM EDT
[#25]
OP, I'd personally shy away from the BA barrel. Lots of folks here have had issues with them feeding HPs and flat nose subsonic rounds. The answer is reprofiling the feed ramp. But why do that when you can just buy a barrel that you know will run all ammo from the start.
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Posted: 5/6/2018 5:49:27 PM EDT
[#26]
Quote HistoryQuoted:
OP, I'd personally shy away from the BA barrel. Lots of folks here have had issues with them feeding HPs and flat nose subsonic rounds. The answer is reprofiling the feed ramp. But why do that when you can just buy a barrel that you know will run all ammo from the start. I’m bargain hunting, and using PayPal. |
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Posted: 5/11/2018 5:21:03 AM EDT
[#27]
i really like those Angstadt lower and upper setups especially with a side charge. But its always been out of my price range. So i always went with the joe Bob/NFA lower and side charge upper. Pretty happy with them no issues. and love the price.
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Posted: 5/11/2018 7:02:38 AM EDT
[#28]
Quote HistoryQuoted:
i really like those Angstadt lower and upper setups especially with a side charge. But its always been out of my price range. So i always went with the joe Bob/NFA lower and side charge upper. Pretty happy with them no issues. and love the price. |
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Posted: 5/11/2018 7:30:57 AM EDT
[#29]
Quote HistoryQuoted:
The SB PDW brace comes with its own proprietary buffer tube. I love mine. https://www.AR15.Com/media/mediaFiles/341181/IMG_3122-511220.JPG 
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Posted: 5/11/2018 8:15:22 AM EDT
[#30]
It's out of gaol?
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Posted: 5/11/2018 10:06:29 AM EDT
[#31]
Question: Iron sight preferences or limitations associated with so short a platform?
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Posted: 5/11/2018 7:35:04 PM EDT
[#32]
Quote HistoryQuoted:
Question: Iron sight preferences or limitations associated with so short a platform? |
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Posted: 5/11/2018 8:03:25 PM EDT
[#33]
Quote HistoryQuoted:
I didn't go with back up sights on my AR9. I have an 8" barrel and SB PDW brace. It's a range toy only so I went with a Bushnell TRS25 Quote HistoryQuoted:
Quoted:
Question: Iron sight preferences or limitations associated with so short a platform? |
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Posted: 5/11/2018 8:08:06 PM EDT
[#34]
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Posted: 5/11/2018 8:53:22 PM EDT
[#35]
Quote HistoryQuoted: I like irons. |
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Posted: 5/11/2018 9:05:33 PM EDT
[#36]
I’ve got ACOGs, T1s, and variables.
And irons. 
Renaissance Man. |
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Posted: 5/16/2018 8:41:30 PM EDT
[#37]
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Posted: 5/17/2018 6:43:53 AM EDT
[#38]
Quote HistoryQuoted:
Added Tacfire 9mm bolt and Strike charging handle... https://www.AR15.Com/media/mediaFiles/285/4DFF4364-E714-4983-9EB1-E2191CB3E6FA-546135.JPG Next up, muzzle device... 
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Posted: 5/19/2018 7:56:52 AM EDT
[#39]
Quote HistoryQuoted: Angstadt doesn’t make a side charging upper. |
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Posted: 5/19/2018 8:09:33 AM EDT
[#40]
Quote HistoryQuoted:
im not sure why i said they didnt. i think i was just thinking of my sidecharge setup when posting that. I guess i meant to say i just love the Angstadt setup in general Quote HistoryQuoted:
Quoted: Angstadt doesn’t make a side charging upper. |
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Posted: 5/19/2018 11:17:00 PM EDT
[#41]
Quote HistoryQuoted: Side charging uppers are pretty cool. But I couldn’t find one that would marry well with the distinctive Angstadt lower. |
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Posted: 5/28/2018 8:48:47 PM EDT
[#42]
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Posted: 5/28/2018 9:48:44 PM EDT
[#43]
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Posted: 5/28/2018 9:57:37 PM EDT
[#44]
Quote History |
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Posted: 5/29/2018 12:38:22 AM EDT
[#45]
Quote History |
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Posted: 5/29/2018 7:02:14 AM EDT
[#46]
Quote HistoryQuoted:
Looks really nice. I'm waiting for Optics Planet to ship my Pro-Mag adapter, then I'll have to look for a bolt. Quote HistoryQuoted:
Looks really nice. I'm waiting for Optics Planet to ship my Pro-Mag adapter, then I'll have to look for a bolt. They were quick with great prices. |
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Posted: 6/19/2018 9:36:37 PM EDT
[#47]
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Posted: 6/20/2018 4:36:22 AM EDT
[#48]
That’s coming along nicely.
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Posted: 6/29/2018 8:25:09 PM EDT
[#49]
I have a Maxim CQB PDW Brace one the way. I’ve been pondering buffers/springs.
Communicating with the good folks at Maxim, they said this: ”If your BCG has a removable weight plug may either purchase one of our braces that has our proprietary CQB Pistol Buffer & Spring or our proprietary JP SCS (Silent Capture Spring) 9mm buffer system. With the weight plug removed this allows the rod on the JP SCS to pass through each time the bolt reciprocates. If you choose to run your BCG with the weight plug our CQB Pistol Caliber Buffer & Spring would be your choice. While utilizing a weight plug with a conventional buffer & spring this puts a little more weight at the rear of the BCG to help with bolt bounce (if any is present). “If you plan on running your BCG without the weight plug I would suggest our JP SCS 9mm (as long as you are not planning on running a binary trigger). If you are running a select fire weapon system or a binary trigger the spring on the JP SCS can bind up by round three on a select fire burst.” I’m not going to be select fire/binary. I do have removable weights in my BCG. Thoughts? |
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Posted: 7/4/2018 11:08:32 PM EDT
[#50]
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