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Nerf Mods: A Beginner's Guide

Step 11Spring Guns - Spring Replacement

Spring Guns - Spring Replacement
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  • Spring Replacement 1.JPG
  • Spring Replacement 2.JPG
  • Spring Replacement 3.JPG
  • Spring Replacement 4.JPG
Recall from Step 4 that in spring guns, it is the spring that causes the plunger to shoot forward. The plunger is the part of the gun that compresses the air to shoot the dart. So, if the stock spring is replaced with a stronger spring, the plunger will be able to compress the air faster, because there is more force behind the plunger. Although the spring replacement is an effective modification, it does have one drawback: using a stronger spring could cause the barrel to detach from wherever it was glued. However, if you use a strong barrel setup, using a stronger spring should be harmless. Keep in mind though, you do not want to pick a spring that is too strong; there must be limits if you want to keep your barrel from detaching.

Replacing the spring on a gun is very simple. You first must choose your spring. If it is necessary, you must cut down your spring to a length very close to that of the stock spring. A spring should be cut either with bolt cutters, or a Dremel with a cut-off wheel attachment. Other tools might break if used to cut a spring. Once your spring is cut, it is ready to be put in your gun. You can remove the plunger head (usually by unscrewing it) then take out the old spring. You can then put the new spring in its place. Other approaches to spring replacements include adding an extra spring and even stretching the stock spring. However, stretching your spring can cause it to break later, so it is not recommended by experienced Nerfers.
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14 comments
Mar 19, 2011. 5:46 PMmeman111 says:
how would i make a strong barrel setup for the nite finder?
May 2, 2011. 1:10 PM64bitgenius says:
two words, hot, and glue.
Jun 21, 2011. 9:57 PM~Z~ says:
3 words, Hot, Glue, and Fails.

Epoxy+Goop+CA Glue(Super glue)

Mar 28, 2011. 8:18 AMShad0w-H0und says:
I tried merging a maverick spring with the nitefinder one instead of buying a new spring. When you pull back to cock the gun it does not catch, so you cannot use it.
just saying this incase anyone else thinks of trying it, if you can get it to work please tell me
May 2, 2011. 1:10 PM64bitgenius says:
A bit late, but, there is a little latch spring at the top. it is holding a little rectangle, put a stronger spring there and it should be good, if it is an issue of the spring being too strong.
Jul 9, 2009. 7:39 AMAnanand says:
Would you happen to know where to find such springs?
Mar 19, 2011. 5:45 PMmeman111 says:
I found mine at Home Depo. It came in a pack with 2 long springs and 2 small ones.
Oct 1, 2009. 3:23 PMnarutogarra64 says:
Try a hardeware store.
Jul 9, 2009. 9:34 AMapod13 says:
you might be able to find one from an airsoft gun supplier
Feb 5, 2011. 4:00 PMorigamic12 says:
When you add a spring, do you have to reinforce the plunger head and cocking latch? if you do, how would you?
Nov 25, 2010. 7:03 AMbasher345 says:
Would a Maverick Spring work with a CS-6 Recon???
Jun 16, 2010. 4:30 PMkameronk92 says:
A much easier way to give the spring more force is to cut electrical tape down the length and wrap it around where the spring meets the cocker until it is as high or higher than the spring. This will cause the spring to be compressed more and increase the speed and range of the darts
Dec 16, 2009. 5:37 AMphish814 says:
I have a Maverick and the spring is exactly the same size as the shock springs for my Traxxas T-Maxx.  If you google "T-maxx shock springs" you can get springs in a wide variety of rates.  Just for reference, the stock springs for the truck are a bit heavier than the stock spring in the gun.

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I'm Alec. I like to post Instructables whenever I get to work on my own projects. But, that isn't exactly all the time. I usually find myself pretty busy with school, so it's not often that I actua...
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