DIY airsoft cap-gun

This will show you how to make a cheap airsoft gun out of a cap gun. This is not to be relied on in an actual airsoft battle. It's just a fun project to try.
Please Rate!!
7-31-09: Today I found that 12hippos posted the same project as me, but about 6 months earlier. Please note that I did not copy him, as I did not know the instructable existed. If you really want to see heres the link. http://www.instructables.com/id/SUPER_Cheap_Airsoft_Pistol/

Step 1 Get your supplies

You will need a cap gun revolver. I got this one at Albertsons for 2 bucks
You also need caps. I got a pack of 24 cap rings for a buck at Albertsons
You need airsoft bb's (of course). You can get these at wal-mart or any sporting goods store.

Comments

[tyeo098]

This is a firearm.


"any weapon (including a starter gun) which will or is designed to or may readily be converted to expel a projectile by the action of any explosive;"
-18 USC 921

The projectile that is expelled is the .12g plastic BB, the explosive is the cap.

Its not illegal (unless you love in NY or Cali, or IL w/o a foid card) but you need to be over 18 to even possess it.

All firearm rules apply to this.

In some states, the construction of this w/o a gunsmithing license is a felony, and ill land you in jail for more than 5 years, and remove your right to vote, own a firearm, etc.

[chocowubbles]

Wow, thanks for the information. I'll be sure to put a warning up.

[DouglasG1]

I don't know about you, but i like this gun. Try the same with other cap guns.

[Dr Qui]

I can remember a commercial version of this being available in the UK for all of about 2 months back around 1982-4, they where a Chinese import that fired small hard rubber bullets powered by caps.

I took less than 6 weeks before before more than one idiot lost an eye and they got banned completely, there was even a nationwide news alert not to buy the toy and the police seized any remaining stock from shops and market traders.

[highvoltageguy]

This would be classified as a real revolver because it uses explosives to fire so be careful. OK

[jbend]

How far dose it go

[Timatobut]

Pretty good. It is technically a real "gun", and can get you arrested. It just fires custom projectiles.

[sswartz2]

arent there plastic things that sit behind the cap? inbox me the answer please. :)

[ilpug]

Dammit, i am driven to make a better version of one of these. like one that could be used in an airsoft game with actual tactical applicability.

[MrMadmonkey4]

(removed by author or community request)

[ilpug]

I would have to see that chrono'd to believe it.

[2hot2hack]

can you use ordinary metal BBs ornot? cos in australia we cant get airsoft.

[sanagol]

it wont fit in the revolver because a metal bb is 4,5 mm and a plastic is 6mm

[2hot2hack]

so wat if i find a metal bb thats 6mm not 4.5??

[MacGyver1124]

You can try to order them online

[chocowubbles]

Sorry, metal bb's don't fit snugly so the most of the force goes around and they just fall out.

[bbot2000729]

I SOOOO wish i had brought more cash than for fireworks at my street fair a few weeks ago. I saw this EXACT cap gun, and the guy selling didn't feel like bartering any fireworks for it.

[joehudy]

i tryed this but my revolver dedint have the holes like yours i tryed it any wase and failed any advice

[Air_Assassin]

how many fps does it have

[MichelMoermans]

Frames per second? This is real life my good man ;D Unless you are getting lag while walking down the street I think the fps is really good :p Nah but I think you got your gaming words mixed up ;p

[supermack123]

dude omg its Feet Per Second no Frames duh

[Air_Assassin]

No it means feet per second man :)

[fn06afranci]

feet per second, its what bb guns are measured in

[MichelMoermans]

:p I'm sorry, as a European I was not familiar with your system of measurements ;)

[mechaninja]

I'm pretty sure FPS is metric.

[LiquidLightning]

Facepalm. FEET per second. Feet are most definately not metric. Metric is meters.

[mechaninja]

oh wow lol im a stupid person feet are american standard! lolwut i should know that

[chocowubbles]

Well I dont have a chronometer, so I cant measure, but its not a lot

[prop master]

i think this is in genius good work i cant wait to make mine hey and you could just use it like a daringer for last resort i mean come on this cost u 3 bucks it shoots beter than some of the 17 doler ones
ive seen.

[prop master]

ok i went and bought my gun but mines difernt its smallerand the cilender is more of an open shell but im going to try to make it work wish me luck

[skyfaller]

Mine doesn't work , sometimes a bb will fall out of the barrell, other ones get stuck, or fall into the spinning part. The spinning part's hole isn't alligned to the barrel . I don't know how to fix that, so please help.

[chocowubbles]

Well it sounds like a problem with the brand of cap gun your using. I would reccomend just getting a different one. Check out the barrel-cylinder alignment before purchasing. Also keep in mind that these aren't built to fire projectiles, so they lack features that would say, hold the projectile in. I'm sorry I can't be more helpful.

[skyfaller]

by it falling out, i meant that when i pull the trigger the bb doesnt fly out, but it rolls out.

[Lil Musky]

can you use metal bbs

[Hitman227]

Try 4.5mm .177 cal steel bbs. I have a bb gun so I have lots!

[chocowubbles]

I haven't tried, but I don't think they would work as well. I'll post another reply after I try it.

[zimmemic25]

you can use metal BBs, but they are much heavier, so they will not fly far.

[mayo291]

 I think that it would be cool it we made a costom round just for this

[mayo291]

 ya cuz i tried it and i failed miserably sorry any ideas it wont even leave the gun

[chocowubbles]

 I think I will look into making a custom round, sounds like a good idea. As for the problems you have, I don't really know what to tell you. Maybe try widening the barrel more, or making sure the cylinder lines up with the barrel properly