AR45 Tommy Gun > Rimfire and Pistol Calibers

Posted: 1/22/2008 10:12:52 AM EDT

Just finished my latest creation, an AR45 in “Tommy Gun” configuration.

I started off with a 10% CNC Guns AR45 lower receiver finished out by Khalan Weaponry. Single digit serial number 00x! The Upper is a VM left side charge handle 9mm receiver available from Spike's tactical and modified by Tango Chaser tactical for an Olympic Bolt & Ejector in .45 caliber. The “Finned Barrel” is a standard 16” Thompson barrel modified by Kurts Kustom Firearms with a Olympic style barrel extension. The fore grip & pistol grip are standard wood furniture for the Thompson, the pistol grip was heavily modified to fit the AR45 receiver. Muzzle brake is for a 9mm high point carbine; both brake and barrel were modified by Alien Arms to thread together. Alien Arms custom machined the fore grip adapter ring secured on the barrel nut. This allows the use of the stock cantilevered mount for the Thompson fore grip. The butt stock is available at Brownell’s as a retro replacement for the AR15 plastic stock. Magazines are stock 30 Rd M3 grease gun mags & sighting system is the short version of the Eotech.

Since I’ve built it, I’ve taken it to the range several times. The typical reaction is “What is it “ followed by “Can I shoot it & I want one!” With the 16” barrel it is extremely accurate and with minimal recoil , a pleasure to shoot. I normally shoot a 12” gong with my AR15 .223 at 65 yards, so I’m used to the time from shooting until the bullet hits the gong. With the AR45 and sub sonic round, it’s almost disturbing how much longer it takes to hit the gong , you almost feel like you could squeeze a second shot off before the first hits. 3000fps vs 900fps..

I love the retro Tommy Gun look and enjoyed building something different. My next AR45 project is going to be something like a combination of an AR45 and a DeLisle Commando Carbine.

K2unit
Alien Arms

Posted: 1/22/2008 10:16:15 AM EDT

[#1]

very nice. I was toying with doing something like this at one time.

How did you mod your PG to fit the receiver? Did you take the PG, ream it out and then mate it to the receiver with a generous helping of epoxy?

Posted: 1/22/2008 10:20:06 AM EDT

[#2]

that is VERY cool man

Posted: 1/22/2008 10:30:37 AM EDT

[#3]

You are my hero for the day. That is really cool, and creative.

Posted: 1/22/2008 10:38:50 AM EDT

[#4]

Glad to here the upper works OK. Have you thought about adding a Thompson looking front sight to add to the look.

Posted: 1/22/2008 2:51:31 PM EDT

[#5]

Great Gun!

Posted: 1/22/2008 3:12:22 PM EDT

[#6]

Beautiful work! Another vote for the Thompson front sight. While you're at it, you might have a look around for the right Cutts Compensator (I know the threads will be wrong now) and the Thompson-style vertical grip. Dude, that is so great--!

Posted: 1/22/2008 3:36:40 PM EDT

[#7]

if a tommy gun and an ar15 had sex this would be the offspring!
cool project

Posted: 1/22/2008 3:44:41 PM EDT

[#8]

Sir, there is something dreadfully wrong with you.

But I want one! How much would it cost?

CJ

Posted: 1/22/2008 4:07:50 PM EDT

[#9]

“Can I shoot it & I want one!”

Very nice work ............

Posted: 1/22/2008 4:28:33 PM EDT

[#10]

Nice guy

Posting something really awsome we can't buy

J/K looks great ! Enjoy it !

Posted: 1/22/2008 4:38:14 PM EDT

[#11]

BRILLIANT!! When can I get one?

Posted: 1/22/2008 5:16:19 PM EDT

[#12]

Great work! Did you use a standard AR-15 buffer/spring assembly?

Posted: 1/22/2008 7:12:59 PM EDT

[#13]

Nice jiob but you spent more money on this project than a factory 1927 Short Barreled Rifle would have cost??

Posted: 1/22/2008 9:30:12 PM EDT

[#14]

NICE blaster. Looks so good it seems photoshopped. How does it shoot accuracy wise if you take off the scope and just aim down the flat top? Tried 100 or 200 yards with it?

Posted: 1/22/2008 11:10:36 PM EDT

[#15]

Nice job!

So when do they go into production?

Posted: 1/24/2008 12:59:00 PM EDT

[#16]

I originally was going to put the stock Thompson compensator & sight , but it just looked too big and heavy for the little AR receiver. Additionally, because of the picatinny rail flat top, the original front sight sits way to low. I decided that the Eotech was kind of a modern improvement in sighting systems anyway.

If anybody is really serious about having me build you an AR45 Tommy Gun, go to the web site I just set up at:

http://alienarms.com/

and drop me an email and we'll get something working.

Keep in mind that nearly every part is custom made for this rifle. As somebody else commented, it probably would be cheaper to just buy a real semi auto Thompson......I would argue not as cool, but certainly cheaper! :-)

K2

Posted: 1/24/2008 5:59:29 PM EDT

[#17]

Uh, um, um....You are a sick genius. I think I've seen everything the internet has to offer now. I'm logging off and getting up from the pc now.

Awesome blend of tech, classic lines and material.

BK

Posted: 1/25/2008 6:03:51 AM EDT

[#18]

That thing looks unsafe to shoot!! Send it to me IMMEDIATELY for further evaluation.

Final cost? Do we want to know?

Posted: 1/25/2008 6:37:30 AM EDT

[#19]

that is sweet looking....you know it is screaming "SBR ME"

Posted: 1/25/2008 11:56:40 AM EDT

[#20]

Sweet

Posted: 7/13/2008 11:37:53 AM EDT

[#21]

I think that is a very cool idea and an excellent execution. It could have real commercial appeal.

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