Automatic BB gun

[Mr. BIG]

hi i read the other posts on full-auto bb guns, but they didn't help that much. i just wanted to make this post so people can post any kind of "air gun" they know of that can be converted to full-auto. no airsoft guns or anything. and also if you could post any links to conversion pages for the gun you listed that would be great! i have been trying to find a Daisy 2003 CO2 pistol, but they are really hard to find. i am just trying to find information on ANY air rifle or pistol that can be converted. thanks.

[tomu]

Do you know what Google is?

A simple search with " full auto bb gun" brought up this:

http://www.airgundepot.com/eaa-drozd.html

http://www.geocities.com/bbmachinegun/review10.htm

http://www.fullautobbgun.com/

http://www.pyramydair.com/blog/2006/05/crosman-600-semiauto-pistol.html

as well other 1,140,000 hits.

[billybobjoe]

Well I don't know if this fits what exactly your looking for but how about a cloud-straffer. Basicaly it is a home built bb gun that is rapid rapid fire, and has, depending on construction techniques, extreeme amounts of power. Well for a bb gun that cost all of 20 dollars cdn.

Basicaly ther is a chamber which is reduced to a barrel. opposite the barrel there is a cleanout plug where you put bb's into the chamber. On the bottom of the chamber there is a blowbun attatched with a 1/8" closed nipple ( hehe i said nipple). When air is blown in the blow gun it agitates the bb's and the pressure difference between the end of the barrel and the chamber will suck a bb out of the chamber into the barrel, then the pressure will rise in the chamber eject the bb and then the chamber pressure drops sucking another bb and rebuilds.

Cloud-straffers are capable of atleast (in my own personal experience) 5000 rounds in about 20 seconds at 115 feed from an air compressor. If you have the volume im sure you could increase barrel length and shoot faster or increase chamber size and shoot more. I have put bb's through a steel garbage can with ease. My thoughts on this are that is not the single bb but the sheer volume being directed at a target that makes it so powerfull for is mode of opperation. (i forgot my latin)

[Sausagemit]

Basicaly ther is a chamber which is reduced to a barrel. opposite the barrel there is a cleanout plug where you put bb's into the chamber. On the bottom of the chamber there is a blowbun attatched with a 1/8" closed nipple ( hehe i said nipple).

hehe, you also said blowbun.

Or if your looking for something a little more compact and carriable. Get a couple of pneumatic servo valves, some acrylic tubing, something to control the valves, a regulator, and a CO2 supply.

And depending on how many barrels you have depends on the fire rate. I figure with one barrel you can fire a BB every .1 seconds or faster with a spring fed magazine and a maximum of .5 seconds per BB with a gravity fed magazine.

6 barrels with a gravity fed magazine will net you a minimum fire rate of 720 BBs per minute whereas 4 barrels with spring fed magazines will net you a minimum fire rate of 2400 BBs per minute.

And it also depends on the reaction time of the valve’s you bought. The ones you should buy should have a maximum of .08 seconds per cycle otherwise you will just be wasting CO2.

Here is a good site to start looking for the valves.

http://www.globalspec.com/

[Jacks Complete]

billybobjoe, you might want to check over your posts for both clarity and spelling in future. Some people here don't like "im" instead of "I'm", and I'm one of them. Tighten it up.

As regards the compressor BB machinegun, I'm sure that the OP read the threads on this already. He is asking for a shop-bought BB gun that can be modified. However, I have no idea about those, as I have never seen or heard of one that was commercially available, in spite of using them a few times at fairs.

The main downside would be the need for a compressor attached in those, which are shaped like tommy guns and are used to try to shoot out the red star to win £20 - a near impossible task. A portable one could be powered from either a built-in air tank or perhaps a CO2 powerlet or two.

[sibear]

Daisy 2003 semi-auto available from JSR Ramsbottoms in the UK. Google will give you the address.

[ak556x45]

I have a Russian-made Drozd which I ordered from Pyramyd Air 3 years ago. The magazine holds about 30 BBs and a CO2 cartridge will last about 90 shots. The BBs will hole a Danish cookie tin 15 feet away so I would estimate the muzzle velocity to be approximately 300 fps.

It isn't accurate enough for serious marksmanship practice, nor powerful enough for anything larger than a sparrow but it is a fun toy that I wish I had when I was a kid.

[sibear]

Have a look at the Real Action Paintball website. They have realistic full-auto paintball gun that can be converted to fire bb's. Note that the bb's are put inside a 'case' so as to feed them through the mag and receiver. The cases eject and you get a blowback recoil 'effect'.

[hot04wrx]

Here is one that comes from the factory Full Auto. It is very fun to use also. A local gun shop owner let me run it through its modes.

http://www.eaacorp.com/airguns-drozd-description.html

Try looking on Gunbroker.com or search it in Yahoo or Google and I’m sure you can find like 10 to 20 sites that sell it.

[Hobbit Porn]

http://rap4.com/paintball/os/rap4-bbpellet-airgun-c-323.html Is the one that sibear is referring to I think.

There is also the caselman air-rifle that has been mentioned in it's own thread. I don't really know, but I'm guessing if you have the skills to build that, you'd probably have the ability to enable it to shoot BB's instead of air rifle pellets.

[rangegal]

I've wanted one of those drozd's for a long time. I'm a member of a forum about them and some of the people there have done some amazing things with them.

I've seen a few that people have upped the RPM to 1,200, and the FPS to 900! I think that could definitely do some damage to somebody. If only somebody would come out with a hi-cap magazine for them they would be awesome, since at 1,200 RPM they empty a 30 round clip in about a second.
http://www.pyramydair.com/images/BlackDrozdBulkFill.jpg

But what does everybody think about those numbers? Could 30 .177 caliber bb's going at 900 FPS hitting somebody all in a second do any real damage? I'm thinking of getting one to keep in the trunk of my car :).

[nbk2000]

A shotgun typically fires its projectiles at 1,200-1,500 FPS (@ muzzle), so these modified airguns are pretty close to that, and that's nothing to sneeze at.

[festergrump]

While I don't disagree with you, NBK, that would be nothing to sneeze at, but I don't think it'd be a very effective weapon. There's just not enough weight behind a .177 caliber BB to do much at all unless you got lucky and put their eye out. Even a good layer of clothing could protect against it or 30 of it's ilk.

While it might break the skin if it hit a bare spot, it would lose inertia far too quickly to even penetrate much beyond the skin, if at all, whereas something heavier travelling at the same speed would penetrate much deeper.

A .45 caliber lead ball shot from an old BP sixgun travels about the same speed as what Rangegal is talking about. THAT will kill you, as has been proven time and again.

Another thing to worry about, though, is BBs are made of steel, so a miss or hit on an hard armored portion would ricochet much too easily. That can be just as dangerous to the user as the target. That's not an acceptable risk for me to use that weapon.

Sure would be fun to kill paper and popcans with, though. :)

[rangegal]

Sure would be fun to kill paper and popcans with, though. :)

Thats mostly what everybody on that forum I mentioned uses them for, and it sounds like a hell of a blast.

Do lead bb's ricochet as much as steel ones do? They say lead bb's are better suited for the drozd's rifled barrel anyway, providing better accuracy and a higher velocity.

One thing about drozd's though, even the pre-modified bulk CO2 ones don't have REAL full-auto. It comes in select fire with single, triple, and six round bursts. They are easily modified to 1,200 RPM with the addition of a little circuit board (sold on many websites) soldered onto a few leads on the guns main board though.

By the way, Baikal is supposed to be coming out with a hi-capacity magazine model soon. When this one comes out I think it will undeniably be the best full auto bb-gun out there. Just thought you should know :cool:.
http://www.baikalinc.ru/res_en/0_image_1112_1.jpg

Heres the link : http://www.baikalinc.ru/en/info/12867.html

Heres a picture of another modified drozd.
http://i81.photobucket.com/albums/j218/shado2/Picture444.jpg
Now ain't that pretty?

[chemdude1999]

Do lead bb's ricochet as much as steel ones do?

No, they don't. I use to shoot steel ones when I was real young and learning basic marksmanship. I would shoot them in a barn sheathed in corrugated tin. A missed shot meant a wildly bouncing BB. It was kind of scary hearing one finally stop behind me. That course of learning didn't last long.

I moved to lead rounds. They never did ricochet. They would hit and deform, leaving little pancakes.

[Jacks Complete]

But you can't re-use your lead BBs, unlike your steel ones. And if you are eating 1200 a minute, you will be out of ammo pretty fast, if they are all deformed.

You can also use a magnet to pick the steel ones back up without any of the other crap on the floor, for a quick wash and re-use.

Related links:
http://inventgeek.com/Projects/Airsoft_Turret_v2/overview.aspx
http://www.instructables.com/id/EF1A4AC9E0EZ7BGU23/?ALLSTEPS

[rangegal]

It's not out yet, but when it is out I'm sure all of you guys will want one. They brag it will have .17 or .22 caliber, fully automatic or single shot select fire, at least 600 fps with stock barrel and parts, bulk CO2, rifled 8" barrel, it shoots pellets OR bbs, accessory rails, five dollar 30 round magazines, and eventually a hi-cap magazines. They are apparently debating weather to set the price at $250 or $350. I don't think its worth $350 without a hi-cap mag.

Just like the drozd, when modified this could be a very useful improvised weapon. I bet with a longer barrel and other mods it will be more powerful than a drozd, especially the .22 cal. Although the rate of fire isn't adjustable and wont be as high, from the videos it seems pretty high. And who can argue with those looks :D.
http://fullyautomaticairgun.com/images/fullautoairgunhead5.jpg
http://fullyautomaticairgun.com