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AR15.COM
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9/20/2011 12:30:34 PM EDT
Just completed my AR45 build.  Many thanks and Kudos to the Rudy aka "Mad Machinist" for the excellent work on the upper. 100% reliability and great accuracy.  The lower from CNC guns is equally impressive.

9/20/2011 12:58:18 PM EDT
[#1]
Very nice.  I would like an SBR .45.
9/20/2011 1:05:13 PM EDT
[#2]
Very nice.
9/20/2011 4:23:37 PM EDT
[#3]
Looks great..Have a question however..Do the pistol calibers such as .45 and 9mm take a special lower to build or are they built on a regualr AR15 lower? Thanks
9/20/2011 6:03:43 PM EDT
[#4]
Quoted:
Looks great..Have a question however..Do the pistol calibers such as .45 and 9mm take a special lower to build or are they built on a regualr AR15 lower? Thanks


It can go either way. One can use a dedicated lower or install a mag well adapter in a 5.56 lower. I have both and both work OK.
9/20/2011 6:05:55 PM EDT
[#5]
They can be done on both.....the AR45 lower by CNC guns is prefferable IF you want unmodified 30 round mags.....But a Mag well adaptor and .45 Uzi Mags is also an option....Currently Promag is offering 10 round Uzi mags that work well with minor modification and 20 roundmags will be available soon...I have been assured that I have engineering samples of the hi cap mags in shipment. and will post a video of them running when they arrive and I get them modified.....

And thanks for the kind comments Steve......
9/20/2011 8:02:38 PM EDT
[#6]
Looks great, OP.

Quoted:
Very nice.  I would like an SBR .45.


This is precisely what I want to do next, and the reason I found this thread.
9/21/2011 2:48:36 AM EDT
[#7]
Quoted:
Very nice.  I would like an SBR .45.


+1

Me too!

9/21/2011 5:11:33 AM EDT
[#8]
SBR....no problem.......
9/21/2011 5:40:53 AM EDT
[#10]
So. Does the 16 inch brl give a little extra speed to  the standard 230gr ball? Have you chronoed it?

I have a compensated Glock that spills 40 FPS to dampen recoil. I wonder if the 16 inch brl is a pluss or a minus...
9/21/2011 6:49:41 AM EDT
[#11]
Quoted:
They can be done on both.....the AR45 lower by CNC guns is prefferable IF you want unmodified 30 round mags.....But a Mag well adaptor and .45 Uzi Mags is also an option....Currently Promag is offering 10 round Uzi mags that work well with minor modification and 20 roundmags will be available soon...I have been assured that I have engineering samples of the hi cap mags in shipment. and will post a video of them running when they arrive and I get them modified.....

And thanks for the kind comments Steve......


I love my suppressed 9mm SBR and would like to build a 45ACP version. What high capacity UNMODIFIED mags can be run with the a dedicated AR45 lower? Thanks.

9/21/2011 11:51:39 AM EDT
[#12]
Quoted:
Quoted:
They can be done on both.....the AR45 lower by CNC guns is prefferable IF you want unmodified 30 round mags.....But a Mag well adaptor and .45 Uzi Mags is also an option....Currently Promag is offering 10 round Uzi mags that work well with minor modification and 20 roundmags will be available soon...I have been assured that I have engineering samples of the hi cap mags in shipment. and will post a video of them running when they arrive and I get them modified.....

And thanks for the kind comments Steve......


I love my suppressed 9mm SBR and would like to build a 45ACP version. What high capacity UNMODIFIED mags can be run with the a dedicated AR45 lower? Thanks.



Did I ever get back to you?
The mod to work in the bazoka bros lower is a 1/4" cut in the back edge of the mag. Not a big deal but aparently some feel it is a bit much.
9/21/2011 12:07:35 PM EDT
[#13]
Quoted:
Quoted:
Quoted:
They can be done on both.....the AR45 lower by CNC guns is prefferable IF you want unmodified 30 round mags.....But a Mag well adaptor and .45 Uzi Mags is also an option....Currently Promag is offering 10 round Uzi mags that work well with minor modification and 20 roundmags will be available soon...I have been assured that I have engineering samples of the hi cap mags in shipment. and will post a video of them running when they arrive and I get them modified.....

And thanks for the kind comments Steve......


I love my suppressed 9mm SBR and would like to build a 45ACP version. What high capacity UNMODIFIED mags can be run with the a dedicated AR45 lower? Thanks.



Did I ever get back to you?
The mod to work in the bazoka bros lower is a 1/4" cut in the back edge of the mag. Not a big deal but aparently some feel it is a bit much.


I'd prefer to not have to modify mags at all. Was thinking of going with the CNC guns AR45 lower and GG mags if that combo would work reliably.

9/21/2011 1:19:17 PM EDT
[#14]
I have built quite a few for the CNC lower. No diferent than the Baz lower.
9/21/2011 1:21:30 PM EDT
[#15]
this is one fine looking rifle

sure would be a nice addition to once collection.

can you provide some more detailed info on it / thank you

9/21/2011 2:21:51 PM EDT
[#16]
Quoted:

I love my suppressed 9mm SBR and would like to build a 45ACP version. What high capacity UNMODIFIED mags can be run with the a dedicated AR45 lower? Thanks.



M3 grease gun......surplus GI or new production available from keep shooting.com.
Quoted:
this is one fine looking rifle

sure would be a nice addition to once collection.

can you provide some more detailed info on it / thank you



The upper was built by me.....starting with an LAR A3 upper reciever, a 1 in 16 twist  barrel blank, a 450 bushmaster bolt and a Troy industries rifle length rail. I make the barrel from a blank, and the gas block and tube from raw stock. I'm sure the owner will chime in with the components that he stuffed into the lower.....



9/21/2011 5:07:35 PM EDT
[#17]
Very nice rig!
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