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How To UPGRADE 800 Round SplatRBall Drum Mag to 1200 Round | Splat-R-Ball SRB400 Gel Blaster Gun

Buy Splatrball Drum Mag here and watch this video to increase the capacity from 800 rounds to 1200 rounds.

Splat-R-Ball sells a drum mag for the SRB400, but it only holds 800 rounds. The SRB1200 Splat-R-Ball gel blaster has 1200 round magazine that is exactly the same size. what's the difference between them that limits one of them to 800 rounds? There's something inside that is limiting the capacity. Splatrball is trying to pwn us, but we pwned them!

Check out the video: What's Inside the Splat-R-Ball blaster

I take it apart to learn how it's made and works, and if it can be upgraded or repaired.

Watch this video where I tear down the gearbox to show what's inside and how it fits together.

▶ SplatRBall Drum Mag:

▶ SplatRBall SRB400 Kit (Orange, Shown in this Video):

▶ SplatRBall SRB400-SUB Kit (Blue, Without stock):

▶ SplatRBall SRB1200 Kit (I haven't tested this one yet):

▶ SplatRball 20K Orange Ammo -

▶ SplatRball Blaster 400 Round Capacity ORANGE Magazine -

▶ SplatRball Blaster 400 Round Capacity BLUE Magazine -

▶ SplatRball Blaster 1800 mAh Rechargeable Battery with Charging Cable -


Splatter Ball blaster is the most commonly available blaster sold in the US. It can be found at many Walmart stores, sporting goods, and online. It is sold by Daisy.

CAUTION! - Splatrball and other Gel Blasters should be treated as weapons and should not be used in public or areas where someone who is not part of the game can be hit. The police will charge you with assault with a weapon. There have been multiple instances in the news of people (mainly teens) being charged with crimes for shooting unsuspecting people in public. The gel ball projectiles can cause permanent injury to unprotected eyes and face.


0:00 Intro

0:32 SRB400 SRB1200 Mag Cross Compatibility

0:52 800 Round Drum Mag Overview

1:54 3D Printed Expansion for 400 Round Magazine

2:52 Disassemble 800 Rnd Magazine

3:35 Remove Divider That Limits Capacity

4:10 Reassemble Magazine As 1200 Round

4:33 It's a Wrap


▶ Products we make:


The products shown here were purchased by me with the intent to use them. I did not receive any free items, and I am not being paid or compensated for this review. The video, description, and comments may contain affiliate links. If you click on a link, I may receive a commission. Money earned helps to support my channel and bring you more informative videos about engineering, crafting, and DIY.


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