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Mad Bull M100 Spring

Airsoft ShortyUSA (c)

$ 15.99

Regular Price: $ 19.99
You save: $ 4.00 (20%)
Shipping: $ 0.25
  

Average of 4.67 reviewed by 6 people
This item has 6 customer reviews
   
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Made out of premium quality German piano wire the Mad Bull upgrade springs are rated to have consistent power for up to 100,000 shots! Each spring is treated with a protective hard coating which is color coded to the springs power. This spring will work with any AEG that is compatible with Marui upgrade parts.

Velocity can vary depending on the guns barrel length, compression and overall condition. The M100 spring produces on average 300-330 fps using a .2g BB.

Mad Bull M100 Spring - Quantity:






C U S T O M E R   R E V I E W S


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Reviewer: sh0ck cp sh0ck
Rank: MG
Location: Yardville, NJ
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7 out of 7 people rated the following review helpful:

5 out of 5- Best spring from the best company!

I APOLOGIZE IN ADVANCE FOR THIS EXTREMELY LONG REVIEW! IT DOES MAKE SENSE AT THE END, HOWEVER!

In my opinion at least, Mad Bull is one of the best airsoft accessory companies in the business today! They make so many high quality items that are in use in many airsoft guns today, that they have become mythical in a sense.

Now, I know some of you may be thinking "Sh0ck this is an M100 only 300 - 320 FPS why would I want that".

Look at it from a different standpoint from yours (most likely someone looking to buy a spring to bring their already high performance AEG into a newer level of awesome): Say you have kind parents, who know that you love airsoft, and decided to buy you a new airsoft gun from a local store (not shortys, which is a big mistake in itself). You receive it, and put on a big fake smile because it could quite possibly be the worst airsoft gun you've ever seen in your lifetime. I'm talking plastic internals AND externals, lower than 220 FPS w/ .2g, huge orange tip, company logos everywhere, and a big fat MADE IN CHINA sticker right in plain sight. What do you do? Of course, you don't want to make your parents sad, so, you go to shortys and see what you can find that you will be able to upgrade it with, internally and externally.

Now, if you have a gun that's SO HORRIBLE that it won't be able to stand up to the force of an M130 or M140 spring, getting this M100 spring will most likely be the ideal choice for you. You can upgrade your AEG's FPS rating to something noteworthy, without putting too much stress on the internals. Now, I definitely don't recommend simply flipping out the springs and leaving it that way, and this is in no way a long term solution. In order for you to have the best performance, you need to upgrade your gearbox, motor, inner barrel, tappet plate, etc, as well as your spring. However, take that painfully horrible shooting AK-47 AEG, jerry-rig some weaver rails to it, buy a better performing battery, replace the buttstock pad, get yourself a fancy Red Dot Sight and foregrip, perhaps even some metal externals, and finally, flip your spring for this beauty for some power behind the flare, and you've got yourself a respectable weapon made from a sporting-good-store-failure.

-Your daily dose of sh0ck

PS: This is all speaking from experience. Everything that you have read from the review is based on past happenings. I still own the aforementioned AK-47 AEG and it is still performing well for me. I also apologize again for the extremely long review for this one product.


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Reviewer: Bricman
Rank: LTC
Location: wichita, KS
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2 out of 3 people rated the following review helpful:

5 out of 5- Great spring !

I believe almost anything made from germany is made well and this also goes for this spring if you want an upgrade this is one of the best I think you will be very pleased with your purchase!


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Reviewer: 13johnny
Rank: MG
Location: Stoughton, MA
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2 out of 3 people rated the following review helpful:

4 out of 5- I agree

this is a well made piece. German weapons have been well used for years. I think you will enjoy this


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Reviewer: joesjeans
Rank: MG
Location: lancaster, PA
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2 out of 3 people rated the following review helpful:

5 out of 5- I concur

I think that we can all agree that German made equipment is of the highest quality. I can assure you that you will not be disappointed with this spring. The price is great for such an excellent product.


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Reviewer: rifleman91
Rank: COL
Location: Washington, DC
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1 out of 1 people rated the following review helpful:

5 out of 5- Sweet spring!

I bought this spring to downgrade my Echo 1 E90 within field limits at a CQB arena. The first thing I noticed was that the spring is NOT made in Germany. The package clearly says "made in Taiwan" (yes, it has Mad Bull trademarks). Who knows - maybe the metal comes from Germany and was molded into a spring in Taiwan.
I recommend to anyone buying this spring to get a pro to install it because it took me friggin forever to reassemble the gearbox with all the parts in place. I also neglected to re-install a tiny piece (I honestly have no idea where it goes) so now semi-auto mode draws back the spring with the first trigger pull and fires three BBs with the second. Full auto works fine, though.
Test results from immediately before and after switching springs:
old spring (~M110): 125ft with .25g, 115ft with .2g, 850RPM
this spring: 110ft with either, 925RPM
Everyone tells me that only upgrading the motor and gears can increase the ROF but I swear to God that downgrading the spring did. So if you value the ROF of your gun over the muzzle velocity, buy this spring!


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Reviewer: Njackson71499
Rank: PVT
Location: Ellicott City, MD
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4 out of 5- Reason to Downgrade

Sh0ck said it well, but there are also other reasons to buy a low fps spring. There's a really nice cqb arena near me, and there is a maximum fps requirement. You can't use your gun there if it has an fps of more than 320, and my cqb gun has 380 fps. I'd rather not pay an extra $20 to rent one of the lower quality guns at the arena, so I downgraded my gun to be able to use it there, and it works a whole lot better. High fps really isn't necessary for cqb, and a weaker spring can also increase fire rate. If you need to downgrade your fps to be able to use a nice gun at an arena with a maximum fps, I highly recommend this product.


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