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Posted: 3/25/2017 9:56:50 PM EDT
[#1]
Glock mag 45 in a standard lower isn't going to happen....mag is wider than the AR magwell......
We have 5 inch and 8.5 inch blowback uppers with a magwell and our new 45 auto stick mag for standard lowers.....uppers will also run on the new Green Swamp Tactical large frame Glock lower. Also have an 8 and 11 inch DI upper that works with the same magazine. Both are also available in a 16 inch barrel. Check us out at Macon Armory  5 inch blowback 45 test Here is the 5 inch running FA |
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Posted: 3/25/2017 10:12:31 PM EDT
[#2]
Can you explain to me the difference between the blowback uppers and DI uppers? I mean I know the physics and how they work, but whats the pros/cons to each?
Whats the capacity on the standard lower at stick mag? Capacity on the mag adapter stick mags? What mags are the adapter stick mags? |
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Posted: 3/26/2017 11:20:41 AM EDT
[#3]
Rudy may check in later. In the meantime, I can offer my experience with his 8" DI45.
I don't have a blowback 45, but can compare the DI45 to a 9mm blowback. The DI45 has much less felt recoil due to less reciprocating weight and perhaps the bolt staying in battery a little longer. This results in faster follow up shots. Both are always shot suppressed, but the DI45 action has minimal gas blowback and stays much cleaner than the 9mm blowback. Rudy's 10 and 20 round mags are his design and, AFAIK, are proprietary. Here is my DI45 that uses his mag block:  Attached FileMy 9mm using his mag block and barrel:  Attached File |
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Posted: 3/26/2017 7:18:14 PM EDT
[#4]
How exactly does the mag block install in the lower? Is it held in via the mag release? Is there a last round bolt hold open? Does he offer a 30 round stick?
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Posted: 3/26/2017 8:58:59 PM EDT
[#5]
Mag block has a retention screw that is removed for installation....it is inserted from the bottom like a mag and then the retention bolt is reinstalled. Then two set screws are snugged up in the front to lock it in place. Mags are 10 and 20 round.....we are limited by the width of the magwell, so longer than 20 are almost unmanageable. The DI uppers also run well on the CNC AR45 grease gun magazine lower.
The Blowback lower is compatible with our magazine of course......and large frame Glock lowers as well. DI upper is only recommended for use with the new Green Swamp Tactical Glock lower...... |
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Posted: 3/26/2017 10:17:33 PM EDT
[#6]
I have a question, will the 45 mags that macon uses work in an upper made by Olympic Arms? Or can they be made to work? I know that it requires a mag block!
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Posted: 3/26/2017 11:24:24 PM EDT
[#7]
Pretty sure I can build an adapter to work with an Olympic upper.....but the ejector on the Olympic lower interferes with the mag and the last round hold open actuator. Might even be able to make the last round hold open work....but honestly it is down the list on priorities. I'm working 10 hour + days six days a week as it is.......
 and we have a lot more in demand projects in the works. If the demand is there...I'll devote time to it....but development has to pay for itself.
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Posted: 3/26/2017 11:35:00 PM EDT
[#8]
Would your block work if one was to remove the Olympic Arms ejector and use the one that is on your mag block? Or perhaps remove the ejector out of your block and use the Olympic ejector?
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Posted: 3/27/2017 4:31:26 PM EDT
[#9]
Quote HistoryQuoted:
Would your block work if one was to remove the Olympic Arms ejector and use the one that is on your mag block? Or perhaps remove the ejector out of your block and use the Olympic ejector? If you are really serious about using our mag with the Olympic upper...shot me an email....I will look into what it will take to make a magblock for that specific purpose..... |
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Posted: 3/27/2017 5:20:52 PM EDT
[#10]
Ok....took a break and whipped up a proof of concept model for using our mags with Olympic uppers.....it would appear it is doable....BUT will probably require making a mag catch as well as the adapter body.....and I MAY be able to retain the LRBHO function.....haven't fired or fed....just whipped up a proof of concept......
Most likely if it works they will be a special order critter.. ...I don't see the likelihood that I will be deluged with orders allowing me to set up and run quantities......
I could be wrong though............... 
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Posted: 3/27/2017 7:39:43 PM EDT
[#11]
So just to clarify, if I want to run your upper on my pdw/sbr lower, blowback is my only choice correct? What length barrels do they come in? Im looking for 5 to 8in.
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Posted: 3/28/2017 8:55:50 AM EDT
[#12]
Is your lower a standard AR or a Glock dedicated? Both DI and blowback will run on both types......but I advise against the QC10 Large frame as it requires messing with the magazines.
Standard lower.....either is fine......in original post you indicated wanting to use Gllock mags with SBR.....if it is a standard lower...that is a no go as the large frame mags are wider than the magwell. Blowback comes in 5, 8.3, and 16 inch...DI 8, 11, and 16. |
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Posted: 3/28/2017 9:35:19 AM EDT
[#13]
My .45 ACP upper from Rudy has been 100% with a standard lower and mag block.
Love shooting it! Dave N |
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Posted: 3/28/2017 12:55:24 PM EDT
[#14]
Quote HistoryQuoted:
My .45 ACP upper from Rudy has been 100% with a standard lower and mag block. Love shooting it! Dave N |
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Posted: 3/28/2017 3:52:50 PM EDT
[#15]
Standard lower. Was hoping there was a mag block adapter that utilizes glock double stack mags but I understand now why that wont work.
What does a 5in blowback with magwell adapter and 1 20rnd mag run and what does a 8in DI with magwell adapter and 1 20rnd mag run? |
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Posted: 3/28/2017 5:55:01 PM EDT
[#16]
The prices are listed on his website. He included a link to Macon Armory just above his video.
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Posted: 3/28/2017 6:19:25 PM EDT
[#17]
Quoted:
My .45 ACP upper from Rudy has been 100% with a standard lower and mag block. Love shooting it! Dave |
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Posted: 3/28/2017 6:51:01 PM EDT
[#18]
Quote HistoryQuoted:
Does the mag block require adjustment when installed, or do you just install it and start shooting? In other words, is it easy to switch between .223 and 45 ACP DI? 
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Posted: 3/28/2017 11:26:40 PM EDT
[#19]
I should mention im running a mvb arc pdw stock that utilizes a proprietary buffer system. That being said, should I stick with the DI or blowback? In the interest of full disclosure, different weight buffers for arc stock are available.
Edit, looks like the DI doesn't require a specific buffer, so looks like I will be going DI. |
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Posted: 3/29/2017 6:42:02 PM EDT
[#20]
Definitely DI....the blowback requires a 10 ounce buffer.....
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Posted: 4/2/2017 7:50:55 PM EDT
[#21]
I didn't know this until just now but Bazooka Bros. makes a lower that accepts both AR mags and Grease Gun mags like the CavArms lowers did. They call it their Hybrid Lower. Like the CavArms lower a magazine block is required to run the GreaseGun magazines but from their web site I can't tell what block is required. Hahn maybe?
BB Products Page |
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Posted: 4/2/2017 8:24:11 PM EDT
[#22]
Quote HistoryQuoted:
I didn't know this until just now but Bazooka Bros. makes a lower that accepts both AR mags and Grease Gun mags like the CavArms lowers did. They call it their Hybrid Lower. Like the CavArms lower a magazine block is required to run the GreaseGun magazines but from their web site I can't tell what block is required. Hahn maybe? BB Products Page Here are the pics, it is a great looking lower. Now got to get it built and start the sbr paperwork. 
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Posted: 4/4/2017 8:07:07 PM EDT
[#23]
Pretty sure that is one Dave at New Frontier came up with...saw it at Knob Creek last year.....I'll ask Bruce when I see him at the creek....
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Posted: 4/5/2017 7:32:59 PM EDT
[#24]
That's a nice setup for use with both mags. I see that you still have to modify the GG mag to work in this lower also.
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Posted: 4/6/2017 6:14:28 PM EDT
[#25]
Quote HistoryQuoted:
That's a nice setup for use with both mags. I see that you still have to modify the GG mag to work in this lower also.
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Posted: 4/6/2017 6:36:34 PM EDT
[#26]
Quote HistoryQuoted:
Yes a mag release slot needs to be cut, not a huge iaaue in my opinion to keep everything working as standard AR. (I'm not in the market for an AR45 (happy with mine), just seemed like a good question to ask for those that might be.) |
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Posted: 4/6/2017 8:03:48 PM EDT
[#27]
Quote HistoryQuoted:
Yes a mag release slot needs to be cut, not a huge iaaue in my opinion to keep everything working as standard AR. |
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Posted: 4/6/2017 8:39:23 PM EDT
[#28]
Quote HistoryQuoted:
Mag block has a retention screw that is removed for installation....it is inserted from the bottom like a mag and then the retention bolt is reinstalled. Then two set screws are snugged up in the front to lock it in place. Mags are 10 and 20 round.....we are limited by the width of the magwell, so longer than 20 are almost unmanageable. The DI uppers also run well on the CNC AR45 grease gun magazine lower. The Blowback lower is compatible with our magazine of course......and large frame Glock lowers as well. DI upper is only recommended for use with the new Green Swamp Tactical Glock lower...... So I was going to buy the Green Swamp Tactical 100% Glock lower but you say then I will need to buy the DI upper to make it run? Will the BB not work? Thanks |
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Posted: 4/6/2017 9:57:55 PM EDT
[#29]
Blowback works with GST....but not with CNC AR45....it is DI only
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Posted: 4/6/2017 10:33:43 PM EDT
[#30]
Quote HistoryQuoted:
AR45 (CNC ) doesn't change the operation of the AR...mag release in in the same spot...just uses an existing feature of the magazine to retain/release Quote HistoryQuoted:
Quoted:
Yes a mag release slot needs to be cut, not a huge iaaue in my opinion to keep everything working as standard AR. 
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Posted: 4/10/2017 8:26:11 PM EDT
[#31]
Quote HistoryQuoted:
Yes a mag release slot needs to be cut, not a huge iaaue in my opinion to keep everything working as standard AR. Quote HistoryQuoted:
Quoted:
That's a nice setup for use with both mags. I see that you still have to modify the GG mag to work in this lower also. |
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Posted: 4/11/2017 8:02:21 AM EDT
[#32]
Quote HistoryQuoted:
Don't want to assume.....but I assume the notch machined for the GG mag use in an AR lower doesn't negatively impact their use in an M10/45 or M3 Greasegun, right.
All of mine still work 100% in my mpa mac 10 45 and 50GI mac 10. |
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Posted: 4/11/2017 7:51:28 PM EDT
[#33]
Quote HistoryQuoted:
Yep
All of mine still work 100% in my mpa mac 10 45 and 50GI mac 10. Quote HistoryQuoted:
Quoted:
Don't want to assume.....but I assume the notch machined for the GG mag use in an AR lower doesn't negatively impact their use in an M10/45 or M3 Greasegun, right.
All of mine still work 100% in my mpa mac 10 45 and 50GI mac 10. |
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Posted: 4/17/2017 7:25:47 PM EDT
[#34]
Yes, I'll cut your mags for a $20 set up fee for up to 20 mags and return shipping.
Yes the cut mags will still work in Mac 10's and Grease Guns. |
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Posted: 5/13/2017 7:00:39 PM EDT
[#35]
Quote HistoryQuoted:
Is your lower a standard AR or a Glock dedicated? Both DI and blowback will run on both types......but I advise against the QC10 Large frame as it requires messing with the magazines. Standard lower.....either is fine......in original post you indicated wanting to use Gllock mags with SBR.....if it is a standard lower...that is a no go as the large frame mags are wider than the magwell. Blowback comes in 5, 8.3, and 16 inch...DI 8, 11, and 16. RW DI 11 inch Upper Remove a little plastic from the mag follower so bolt clears is all. Flawless running mags in both DI45 and Glock 22 |
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