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Posted: 11/6/2018 12:13:54 AM EDT
[#1]
Quote HistoryOriginally Posted By AR45fan: Like Rudy said, the Gold Standard for GG mag lowers is the CNCGuns but this works too. |
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Posted: 11/6/2018 12:14:10 AM EDT
[Last Edit: Mad-Machinist]
[#2]
Double Tap
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Posted: 5/20/2019 3:41:48 PM EDT
[#3]
Man, the evolution of the 45 ACP AR has come a long way....
Olympic was the only game in town back in the day... then a mag ban came... use of UZI mags.... Then the CAV15 for greas gun mags & Oly uppers.... then a replaceable mag well AR.... Then dedicated grease gun AR lowers... then experiments in "Colt" pattern blow back 45 ACP.... and the blowback... Then large Glock mag AR lowers came.... dang. |
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FL, USA
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Posted: 5/20/2019 6:55:03 PM EDT
[#4]
Quote HistoryOriginally Posted By Kaliburz:
Man, the evolution of the 45 ACP AR has come a long way.... Olympic was the only game in town back in the day... then a mag ban came... use of UZI mags.... Then the CAV15 for greas gun mags & Oly uppers.... then a replaceable mag well AR.... Then dedicated grease gun AR lowers... then experiments in "Colt" pattern blow back 45 ACP.... and the blowback... Then large Glock mag AR lowers came.... dang. 
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NH, USA
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Posted: 8/7/2019 8:16:49 PM EDT
[Last Edit: Rooster-X]
[#5]
Here are both of my AR45 builds. I decided to go both routes, DI and blow back.
The DI is Rudy's upper (Macon Armory) with the CNCGuns lower is spot on, functions like a normal AR. The hard part is finding grease gun mags. I've collected 5, I think that should be fine for now. The blowback is a Joebob Spartan lower with a New Frontier upper. I really like the feel of this weapon, but hate using the glock mags. Especially the cheap (and incredibly unreliable S. Korean mags). For everyday plinking, the blowback is a hoot and just raw AF. If the Zombies attack, and they will, I'd grab the DI AR45 and pop zombie heads! 
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Posted: 8/7/2019 8:22:30 PM EDT
[Last Edit: backbencher]
[#6]
Nice gats.
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NH, USA
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Posted: 8/7/2019 11:22:14 PM EDT
[#7]
Quote HistoryOriginally Posted By backbencher:
Nice gats. |
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Posted: 8/8/2019 7:16:22 AM EDT
[Last Edit: RDTCU]
[#8]
Quote HistoryOriginally Posted By RoosterX19:
Here are both of my AR45 builds. I decided to go both routes, DI and blow back. The DI is Rudy's upper (Macon Armory) with the CNCGuns lower is spot on, functions like a normal AR. The hard part is finding grease gun mags. I've collected 5, I think that should be fine for now. The blowback is a Joebob Spartan lower with a New Frontier upper. I really like the feel of this weapon, but hate using the glock mags. Especially the cheap (and incredibly unreliable S. Korean mags). For everyday plinking, the blowback is a hoot and just raw AF. If the Zombies attack, and they will, I'd grab the DI AR45 and pop zombie heads! https://i.pinimg.com/originals/21/40/7d/21407dccac52405e74f9fab826ebb771.jpg https://i.pinimg.com/originals/64/10/3b/64103bf7a00b87810e3c85d6c57fc08c.jpg They aren't GI, and they're a little thinner steel, but they've worked fine for me. Depending on the magwell in your lower, you may have to tweak them with a vice. GI GG mags are a weapon in themselves, I've picked up some on gunbroker and some at random gun shows. That second one hurts my thumbs to look at 
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Posted: 8/8/2019 9:52:41 PM EDT
[#9]
I have a possible solution for a replacement GG mag....working on the financing/logistics now.....
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TX, USA
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Posted: 9/30/2019 6:32:54 PM EDT
[#10]
Not sure if this should go here, or create a new post, but I'll try here, since this thread is about .45 PCCs.
I took advantage of a sale late last year and picked up a New Frontier Armory 16" .45 upper and lower. I also got their 9mm set, but am having ZERO issues with it. I put the thing together, adding in a Larue trigger set, amongst other bits. I used the NFA 10 OZ PCC buffer, and my own carbine spring and tube. We took it to the range, and it appears I've built a single-shot .45 AR15! The thing will fire fine, cycle a new round into the chamber but absolutely refuses to set the hammer for the follow-up shot. I swapped the Larue out for a Giessele SSA, then went with an old stock hammer and trigger set I had in my parts bag. The thing still refuses to fire more than one time. I can pull the bolt back with the charging handle, eject the unfired round, cycle in another round and it goes bang. But will not set the hammer. I have tried 3 different springs, the 11 oz. PCC buffer, a 8 oz. PCC buffer (out of our 9mm), a 4.6 oz. buffer and 3.5 oz buffer. Same problem. I've cut the ejector plate down a fair amount and verified it does not drag on the bolt. It looked like the bolt catch was dragging on the bottom of the bolt, so I swapped in a different catch that had a little lower profile. No rubbing. Still, I can't get the thing to fire more than once. The bolt WILL lock back on last round fired, so I think it's cycling, I just can't figure out why it refuses to lock the hammer back when ejecting the spent round out. Any ideas where I can look? I'm about about of options I know about. Thank you for any help. |
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Posted: 9/30/2019 6:45:31 PM EDT
[#11]
Tried a different lower?
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VA, USA
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Posted: 9/30/2019 8:17:59 PM EDT
[#12]
tinypic went bust so my pics are gone and they were on an older phone that died
Did you try cutting some of the polymer bumper Try a different spring and or receiver extension |
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Posted: 9/30/2019 11:57:09 PM EDT
[Last Edit: Mad-Machinist]
[#13]
I'm surprised it feed....I do a slight mod to the bolt and make it run like a sewing machine with your 10 ounce buffer and standard carbine spring......I'm buried till the 15th of Oct when we get back from Knob Creek The Bolt doesn't have enough material on the bottom to get the disconnector to catch on the Larue trigger.....
Rudy Edit....reread your entire post......can you post some pics of the bolt......that REALLY doesn't make sense.....it should be working no problem on a GI hammer and trigger..... |
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TX, USA
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Posted: 10/1/2019 8:27:35 AM EDT
[#14]
Quote HistoryOriginally Posted By backbencher:
Tried a different lower? |
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TX, USA
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Posted: 10/1/2019 8:29:40 AM EDT
[Last Edit: CrashTestDummy]
[#15]
Quote HistoryOriginally Posted By Mad-Machinist:
I'm surprised it feed....I do a slight mod to the bolt and make it run like a sewing machine with your 10 ounce buffer and standard carbine spring......I'm buried till the 15th of Oct when we get back from Knob Creek The Bolt doesn't have enough material on the bottom to get the disconnector to catch on the Larue trigger..... Rudy Edit....reread your entire post......can you post some pics of the bolt......that REALLY doesn't make sense.....it should be working no problem on a GI hammer and trigger..... EDIT: Here are the pictures. Not sure what you're looking for, and I can focus in on specific bits, just let me know. 
Hmm, looks like Fotki images don't play well with this site. Usually if they're right side up, they show well on web forums, otherwise I flip them. |
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FL, USA
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Posted: 10/1/2019 10:37:22 AM EDT
[#16]
Sorry if its already been covered, but will an Olympic Arms 45acp upper function on a Large frame Glock lower with the fixed ejector removed.
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Posted: 10/2/2019 12:16:56 AM EDT
[#17]
Quote HistoryOriginally Posted By CrashTestDummy: I agree fully! Especially given that the 9mm copy runs great! I'll try to get some pictures this evening.
EDIT: Here are the pictures. Not sure what you're looking for, and I can focus in on specific bits, just let me know. https://media.fotki.com/2v2ENasCSxJDYiP.jpg https://media.fotki.com/2v2ENasghxJDYiP.jpg https://media.fotki.com/2v2ENasFGxJDYiP.jpg https://media.fotki.com/2v2ENasGLxJDYiP.jpg Hmm, looks like Fotki images don't play well with this site. Usually if they're right side up, they show well on web forums, otherwise I flip them. |
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TX, USA
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Posted: 10/2/2019 9:44:31 AM EDT
[#18]
I could open them here, but the orientation was different than seen on my picture hosting site. I usually see odd flips, since I use an iPhone, but that's usually easily-corrected in the picture hosting site. They looked fine there. Weird.
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OK, USA
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Posted: 10/25/2019 12:41:04 PM EDT
[#19]
At the moment Tango Chaser Tactical is current close do to the passing of Tango Chaser. At the time of his passing He and I were in the process of using the lower design for the thompson mags to be able to use the Sten mags in the same lower and upper. I will continue that project using the upper from MACON ARMORY and the bolts from Olympic arms. I am having to start from the bringing on the project due to loss of specs. It is a project that I am going to complete for my father. If all goes well I will have Tango Chaser Tactical back up in about a year or 2 with the finish design.
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Posted: 10/25/2019 9:51:07 PM EDT
[#20]
Quote HistoryOriginally Posted By TANGOCHASER2: At the moment Tango Chaser Tactical is current close do to the passing of Tango Chaser. At the time of his passing He and I were in the process of using the lower design for the thompson mags to be able to use the Sten mags in the same lower and upper. I will continue that project using the upper from MACON ARMORY and the bolts from Olympic arms. I am having to start from the bringing on the project due to loss of specs. It is a project that I am going to complete for my father. If all goes well I will have Tango Chaser Tactical back up in about a year or 2 with the finish design.
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NH, USA
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Posted: 10/28/2019 9:40:24 AM EDT
[#21]
LaFrance made blow back M16 Conversions using modified Thompson mags. Very similar conversion to that of Uzi mags in the Colt 9mm system. Since the Thompson mags have a LRHO feature, LaFrance adapted the Colt 9mm style LRHO feature to the Thompson mags system. I used a similar system for a custom made Thompson magwell conversion for the MGI modular magwell system to be used with a Ron Williams .45 DI upper. The gas pressure drops so rapidly that the gas port is about an inch from the chamber and uses the pressure inside the barrel to help extract the shell. The system is very smooth but barely runs. After about 300 rounds of use the upper has enough fowling to make function problems. I purchased a CMMG RDB .45 upper. I have yet to try it with the Thompson magwell conversion.
Scott |
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OK, USA
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Posted: 10/28/2019 11:45:50 AM EDT
[#22]
Thank you.
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OK, USA
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Posted: 10/28/2019 12:31:54 PM EDT
[#23]
Quote HistoryOriginally Posted By backbencher: Sorry to hear of your father's death. The only Thompson mag AR I was familiar w/ was the side feed upper out of Oklahoma some years back. We need more side feed uppers - STEN mags, Sterling mags, MP-18/2 mags, Luger mags, AK mags, SR-25 mags, FG42 mags, BAR mags... |
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Posted: 10/29/2019 9:10:31 PM EDT
[#24]
Quote HistoryOriginally Posted By TANGOCHASER2: THANK YOU, I have to change plans on the lower, will be going from grease gun mag to the thompson mag, that's due to the lower I am planning to use is one of the Tango Chaser Tactical lower design made by CNCGuns. Rudy |
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OK, USA
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Posted: 10/30/2019 10:14:51 AM EDT
[#25]
Quote HistoryOriginally Posted By Mad-Machinist: Did you mean GG mags with the lower....Or is Justin gonna be making a Thompson mag lower? Holler at me if I can be of assistance....you dad was a hell of a man and friend......deeply saddened at the news of his passing.......... Rudy |
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Posted: 10/30/2019 7:39:01 PM EDT
[#26]
Quote HistoryOriginally Posted By TANGOCHASER2: To answer your question, I have one of the first lowers for the GG mags and the Thompson mags work in. There is a few issues I am working out to get the upper to work. |
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Posted: 11/6/2019 12:28:52 PM EDT
[#27]
Built a pistol length on New Frontier Armory. Nothing short of pure fun and laser accurate with a red dot!
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Posted: 11/8/2019 7:10:04 PM EDT
[#28]
I've recently become interested in building a .45 AR pattern. Does anyone shoot hollow points out of them or is it ball ammo only? I'm wondering about feed reliability.
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VA, USA
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Posted: 11/8/2019 7:15:19 PM EDT
[#29]
My Macon upper prefers Gold Dots or Federales but it is direct impingement. With law folder that adds a tiny bit of weight to the reciprocating mass
Or hotter than standard reloads :D |
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Posted: 11/8/2019 11:36:54 PM EDT
[#30]
Quote HistoryOriginally Posted By seelbo:
I've recently become interested in building a .45 AR pattern. Does anyone shoot hollow points out of them or is it ball ammo only? I'm wondering about feed reliability. |
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Posted: 11/10/2019 11:02:47 AM EDT
[#31]
I would be shooting Gold Dot. So would direct impingement be a better option than blowback? Or does it matter?
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FL, USA
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Posted: 11/10/2019 2:37:30 PM EDT
[#32]
Quote HistoryOriginally Posted By seelbo:
I would be shooting Gold Dot. So would direct impingement be a better option than blowback? Or does it matter? |
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Posted: 11/10/2019 10:07:22 PM EDT
[#33]
Thanks for the input. So if I go DI, do I need a complete upper or can I get a .45 bolt and barrel, and use a standard carrier, gas tube, and regular upper receiver?
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Posted: 11/10/2019 10:25:30 PM EDT
[#34]
Quote HistoryOriginally Posted By seelbo: Thanks for the input. So if I go DI, do I need a complete upper or can I get a .45 bolt and barrel, and use a standard carrier, gas tube, and regular upper receiver? |
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Posted: 11/10/2019 10:48:40 PM EDT
[Last Edit: Mad-Machinist]
[#35]
Quote HistoryOriginally Posted By seelbo:
Thanks for the input. So if I go DI, do I need a complete upper or can I get a .45 bolt and barrel, and use a standard carrier, gas tube, and regular upper receiver?
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FL, USA
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Posted: 11/10/2019 11:52:47 PM EDT
[#36]
Quote HistoryOriginally Posted By seelbo:
Thanks for the input. So if I go DI, do I need a complete upper or can I get a .45 bolt and barrel, and use a standard carrier, gas tube, and regular upper receiver? |
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Posted: 11/12/2019 9:35:51 PM EDT
[Last Edit: Mad-Machinist]
[#37]
All of which services Macon Armory offers..............we are happy to use customer supplied components if they are compatible with the system.....
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Posted: 12/11/2019 8:46:56 PM EDT
[#38]
A little late to this, and somewhat off topic, is it possible to shoot 45 super in a 45 AR without beating the thing to death?
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VA, USA
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Posted: 12/12/2019 7:48:01 AM EDT
[#39]
Not sure of the direct impingement
https://youtu.be/vdxX0Qoprxo |
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USA
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Posted: 12/12/2019 10:04:36 PM EDT
[#40]
Quote HistoryOriginally Posted By 6731HBAR:
A little late to this, and somewhat off topic, is it possible to shoot 45 super in a 45 AR without beating the thing to death? |
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FL, USA
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Posted: 12/13/2019 7:37:29 AM EDT
[#41]
If I remember correctly from what Ron @ RMW XTREME told me a few years ago, people may be able to run the 45 super and 450 smc thru a DI45 BUT it is better to have the upper setup correctly with the gas port placement and diameter correct for each round so the upper functions properly.
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Posted: 12/13/2019 10:49:31 PM EDT
[Last Edit: Mad-Machinist]
[#42]
It can be done but it horribly over gassed....you can up the buffer weight.............
I have run Super on a 9mm buffer of standard length....doable but I don't recommend a steady diet..... |
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Posted: 12/16/2019 1:49:42 PM EDT
[Last Edit: ZacSquatch]
[#43]
 Attached File Attached FileBuilt out the parts I got from Rudy into a “Marauder” type upper like PSA sells. Inspiration hit me when I saw I had the extended SL handguards. The barrel was the perfect length for the crush washer to hold the handguard cap ring after putting the flash can on it and lock the handguards in. |
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SC, USA
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Posted: 12/16/2019 9:50:45 PM EDT
[Last Edit: Mikes71Camaro]
[#44]
I have one of the Macon adapter setups to build a SBR but this is on a different unmodified SBR lower with Olympic mags. Oly is 99% out of business but they still sell those for some reason and they are compatible with the CMMG Guard bolt and barrel.
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Posted: 12/16/2019 10:29:39 PM EDT
[#45]
Oly has apparently sold and is still in business. I don't usually get aesthetic objections to this or that magazine, but that does look awful.
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Posted: 12/16/2019 10:35:01 PM EDT
[#46]
Quote HistoryOriginally Posted By backbencher:
Oly has apparently sold and is still in business. I don't usually get aesthetic objections to this or that magazine, but that does look awful. |
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SC, USA
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Posted: 12/16/2019 11:04:36 PM EDT
[#47]
They are kind of big and ugly but they are very functional. Fat chick and the moped sort of thing but they dont require any adapters to run with the guard setup. Glock mags don't have it so lucky. Hard to make those work with a guard upper unless you buy CMMG's apparently made out of gold lower.
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Posted: 12/16/2019 11:35:52 PM EDT
[#48]
Quote HistoryOriginally Posted By ZacSquatch:
Id take it over glock mag ugliness. Quote HistoryOriginally Posted By ZacSquatch:
Originally Posted By backbencher:
Oly has apparently sold and is still in business. I don't usually get aesthetic objections to this or that magazine, but that does look awful. |
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SC, USA
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Posted: 12/17/2019 8:37:37 PM EDT
[#49]
With the Macon adapter .
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IL, USA
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Posted: 12/18/2019 7:07:55 PM EDT
[Last Edit: readyman_us]
[#50]
Quote HistoryOriginally Posted By 6731HBAR:
A little late to this, and somewhat off topic, is it possible to shoot 45 super in a 45 AR without beating the thing to death? 
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