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DIY .22/.177 Bullet Trap

Posted: Mon May 26, 2008 9:41 am
by elricfate
I was at the school I've been painting for a few months and decided I'd bug one of the electricians for a few spare parts. I grabbed a square electrical box and some electrical box covers. I brought it home and thought to myself, "What can I do with this?" ... So I grabbed some metal tape (duct sealing type with the grey goo on the other side of the metal tape, REAL STICKY STUFF!), and started putting together a .22 trap.

It was actually real simple. All I used was two large electrical box covers, three small electrical box covers, a chunk of steel girder (for reinforcing the back), metal duct sealing tape, some foam rubber pieces, regular duct tape (to cover the box after the fact), and a small piece of welding rod.

I made a crude diagram of how I put it together, and am going to include some pictures of the finished product. For targets I just cut out some cardboard pieces and stuck a few 1" targets from http://www.MyTargets.com" onclick="window.open(this.href);return false; .. I think it came out rather well. And because those electrical boxes are all steel, I know the bullets will stay IN the box. This is a fact that I've tested before, shooting the covers with a .22 from 15 yards with a subsonic load and they didn't even dent, they just made a ding sound and flattened out.

Here's the diagram, pretty crude, but it gives an explanation of why I did what I did. The support rod is two fold, 1) it keeps the walls from moving even the slightest bit, because I also reinforced all the seams where the metal meets with the electrical tape to force it into place, and 2) it keeps the electrical cover I used on the top to cover it from sliding backwards and it gave me a good mounting point for the plate, before I decided to put the piece of steel girder on the back to reinforce the back. As you can see, the back plate is at an angle to deflect the bullet downward into the foam rubber, so it's caught in the foam rubber if there's any kinetic energy left after hitting the back plate.

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The parts I used are simply:

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And the finished product:

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LEGAL DISCLAIMER: Don't do stupid shit. If you put this together incorrectly, or hurt yourself while shooting at it, etc... It's all on you. I did this for my own satisfaction, I won't take the blame if you do some assanine.

Re: DIY .22/.177 Bullet Trap

Posted: Mon May 26, 2008 7:33 pm
by Squirrley
Have you tested it out yet? It looks really nice!

Re: DIY .22/.177 Bullet Trap

Posted: Mon May 26, 2008 7:44 pm
by Dave_M
Nice work! I'm interested to see how she holds up. I wouldn't want to shoot any stingers into that box for sure...

Re: DIY .22/.177 Bullet Trap

Posted: Mon May 26, 2008 7:46 pm
by elricfate
I actually put twenty Remington Subsonic loads into it tonight (at 20 feet), absolutely no dents. Though the tape holding on the reinforced sections of steel took a beating, the actual plates are good as new.

Re: DIY .22/.177 Bullet Trap

Posted: Mon May 26, 2008 7:54 pm
by Squirrley
I imagine some spot welds would make it bomber. I really like this idea, now I just have to see if my mom will let me shoot in the back yard :P

Re: DIY .22/.177 Bullet Trap

Posted: Mon May 26, 2008 8:19 pm
by elricfate
Squirrley wrote:I imagine some spot welds would make it bomber. I really like this idea, now I just have to see if my mom will let me shoot in the back yard :P

If I had access to a welder, I sure would've done that instead. But the class 1 Duct metal tape seems to hold it together very nicely.

Albeit, there are certain spots where the bullets tear it up, but otherwise the points where the metal meet to make a seal, are incredibly solid.

Re: DIY .22/.177 Bullet Trap

Posted: Mon May 26, 2008 8:40 pm
by Squirrley
I'm impressed with that tape, then =P

Re: DIY .22/.177 Bullet Trap

Posted: Tue May 27, 2008 7:09 am
by elricfate
I'll pop some pictures of the insides when I get home. There's rips in the tape, but the electrical plates (steel) show no real wear, which impresses me.

That's why I doubled the walls with two plates, instead of one. Just in case there was some denting.

Re: DIY .22/.177 Bullet Trap

Posted: Tue May 27, 2008 3:29 pm
by elricfate
AS you can see, it only damaged the tape on the inside. There's still lots of the metal tape covering the outside, as well as duct tape reinforcing that too. The paint came off the reinforced steel, but did not dent.

Also, you can see where I concentrated about 15 of my shots into one ragged hole (not hard to do at 15 yards), and I walked a few others around the target just so you could see how solid those electrical covers really are.

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Re: DIY .22/.177 Bullet Trap

Posted: Tue May 27, 2008 7:11 pm
by Shadowsbane
Quicksteel putty or JB weld will make an excellent sub for welding the seams.

I would personally go with the Quicksteel though

Re: DIY .22/.177 Bullet Trap

Posted: Tue May 27, 2008 7:23 pm
by elricfate
If I make a second one, I have some steel epoxy I'll use instead.

Re: DIY .22/.177 Bullet Trap

Posted: Wed May 28, 2008 1:00 am
by milesdzyn
While I applaud your ingenuity, this is a legal nightmare waiting to happen. Gunny may have some suggestions on a simple liability disclosure statement to add to your post.

Miles

Re: DIY .22/.177 Bullet Trap

Posted: Wed May 28, 2008 2:20 am
by crypto
I don't see a problem here. Life's rough; wear a helmet.

Re: DIY .22/.177 Bullet Trap

Posted: Wed May 28, 2008 5:02 am
by canuck
crypto wrote:I don't see a problem here. Life's rough; wear a helmet.
Ditto crypto, but political and legal correctness are paramount, yo.

Re: DIY .22/.177 Bullet Trap

Posted: Wed May 28, 2008 7:01 am
by elricfate
Disclaimer added.

And I'll say it again, here. Don't follow my instructions. Don't make this item that I made. It's dangerous. It could harm you. I am in no way liable if you misunderstand me and go ahead and make the thing.

Re: DIY .22/.177 Bullet Trap

Posted: Tue Jun 10, 2008 7:15 am
by elricfate
Yow. I plugged 100 mini-mags (went through a case, $6 goes quick with those wonders) into it on Sunday. At 20 yards, I'm telling you, it didn't even flinch. The metal has small scrapes on it from where I put most of the mini-mags through the same hole (six sets of holes), but otherwise no denting again.

I'm highly impressed with those electrical cover plates. I didn't think the steel would hold up to that, but it hasn't come apart. The only thing that happened was the inside metal tape scraped up real bad and I had to replace a section of it. The outside metal tape and duct tape didn't let the whole thing budge, so no lost or dangerously ricocheting rounds. And the angle of the backstop plate shot them straight down into the foam rubber bits.

All in all, a good test run.

Re: DIY .22/.177 Bullet Trap

Posted: Tue Jun 10, 2008 9:33 am
by cavitycreep
Wet phonebooks work wonders too. :D
(Do not try this at home, or the universe will collapse upon itself, ending all existence as we know it.)

Re: DIY .22/.177 Bullet Trap

Posted: Tue Jun 10, 2008 10:41 am
by canuck
cavitycreep wrote:Wet phonebooks work wonders too. :D
(Do not try this at home, or the universe will collapse upon itself, ending all existence as we know it.)
Hahaha. Brilliant.