AR-180B Shorty Project Pt. III

The next part that had to made were the hand guards. I first mocked them up to find the approximate length then cut them off with my bandsaw. I left them a little long and figured I could trim them if I had to.

I then trimmed a small piece of the front end of the cut off part and fitted them into the hand guard. This will allow me to use the existing end cap.

AR-180S Inside Bottom Handguard AR-180S Inside Top Handguard

Here you can see that I didn’t get things exactly right as there is a small gap at the front of the hand guards. They will work for function testing but I intend to build a set of new end caps that encapsulate the entire hand guard.

AR-180S Left

Here she is ready to head to the range and dial in the gas port size.

Featuring a Stormwerkz mount and Primary Arms Micro Red Dot.

Stormwerkz.com

Primary Arms Micro

I would also like to ask if everyone could help me test out the site by leaving comments so I can see if it is working.

Identifying Costa Mesa 30 Round Magazines

In the early days of production and sales in Costa Mesa, Armalite offered their own 30 round steel magazines.

These are often misidentified or overlooked because they have no markings at all.

You will notice that the bases plate shown in the picture below have no markings and feature a hole on one end. These are the ones you are looking for. (The top magazine has the incorrect base plate)

Costa Mesa 30 Round Base Plate

Unlike the Sterling magazines, these have no hole on the side of the magazine.

Right side.

Costa Mesa 30 Round Right

Left side.

Costa Mesa 30 Round Left

They also feature a unique spot weld design that I have seen on no other magazines. Three equally spaced spot welds are more prominent than the rest.

Costa Mesa 30 Round Spot Welds

You will also not that these magazines are designed with a full curve and not the partial curve of the Sterling or M16 magazines.

Costa Mesa 30 Round

Good luck with your hunt for these highly desirable magazines.

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Armalite AR-180 Accessories: Sharp Shooter Kit

The Sharp Shooter Kit is an incredibly hard to find accessory that was available for the Sterling AR-180.

I believe these may be the only pictures of said kit on the internet.

Not much is known of these and I am still searching for more information as we speak.

I first heard about the Sharp Shooter Kit in a few forum threads but didn’t even know what it consisted of. In fact I received this kit and didn’t know what I had. I assumed it was some aftermarket accessory that the seller threw in with my gun when he shipped it.

 

It was only after seeing this scan of an old Armalite hand out, that I put it all together.

Sharp Shooter Kit 1

The Armalite Sharp Shooter Kit consists of a neoprene/nylon cover for the hand guard and butt stock. Perhaps you too have had one of these and didn’t know what it was.

Here you can see the overall view, please note that the velcro strips have been added after the fact. I’m not sure I can remove them without damage to the sleeve.

Sharp Shooter Kit 2

The next picture shows the butt stock or “Cheek Pad” as Armalite calls it.

Shapr Shooter Kit 3

The final picture shows the vent holes that are cut in the top of the hand guard sleeve. There is also one hole in the bottom.

Sharp Shooter Kit 4

One of the points made in the hand out is that it “Increases shooter comfort”. Although I have not had this gun to the range yet I can tell without a doubt, that is true. I shouldered this rifle a few times while shooting these pictures and with the cold temps outside, the cheek pad made for a much warmer place to lay my face.

Please let me know if you have one of these kits as I would like to put up more pictures and compare them to mine.

AR-180B Shorty Project Pt. II

Another updated series of pics from John over at Retro Arms Works.

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It will be heading back soon and I will start on the hand guards.

Then it’s off to the range to dial in the gas port and play!

AR-18S Inspiration for the AR-180B Shorty Project

For those not familiar, the AR-18S was the sub-machine gun version of the select fire AR-18. This was the inspiration for my shorty project.

 

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These two pictures started it all.

Pete Fleis did a handful of these conversions and there are some factory made guns.

There are even a very few semi auto AR-180S guns floating around.

While mine will be a pistol to start, I fully intend to sbr it and have it turn out a close match for these two guns.

I have subsequently found a few more pictures of the cool little guns but have yet to come across any documentation about production numbers.

AR-18S Sterling

I believe this to be a factory Sterling AR-18S.

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I believe this is a factory AR-180S but the jury is still out.

You will note that there are three types of flash hiders used on these guns. Small conical, Large conical, and standard three prong.

I will leave you with this scan from Small Arms Review that shows the very first carbine prototype. I wonder where this one is now.

First AR-18 Carbine