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Ninja Paintball PRO V3 Ninja 4.5K Regulator

Curated from 36 real Reddit conversations

Refreshed on: March 20, 2025

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Ninja Paintball PRO V3 Ninja 4.5K Regulator

Brand: Ninja Paintball
Price: $97
Snoop Score:
7.3
Sentiment
8.9
Popularity
8.3
Technical
6.7
Buy on Amazon for $97See All Regulators Reviews
As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The PRO V3 Ninja 4.5K Regulator is designed for paintball enthusiasts seeking reliable performance and adjustability. It offers a lightweight construction with factory settings adjustable between 550 PSI and 750 PSI, ensuring compatibility with various tank pressures. Consumer feedback highlights the regulator's lightweight design, with one user mentioning, "A Ninja setup is over half a pound lighter than the HK." Many appreciate the product's user-friendly maintenance, stating that the build quality and adjustable features make it a great investment. Additionally, users have praised Ninja's fast and helpful customer service, reinforcing the brand's positive reputation in the paintball community. Overall, based on user sentiment and consistent positive reviews, the PRO V3 Ninja 4.5K Regulator is highly recommended for those in the paintball category, offering both quality and performance at a good price point.

Not for you? Check out our other rated Regulators

A Ninja setup is over half a pound lighter than the HK. I'm old and tired and willing to pay more to save those half pounds wherever I can!

Positive Feedback

Sad I just bought 2 pro v3s that I'm likely going to have a hard time finding rebuild kits for in the near future.

Negative Feedback
Product
7.3
Ninja Paintball PRO V3 Ninja 4.5K Regulator
Buy on Amazon for $97
Beginner Players
5 / 10
Competitive & Tournament
10 / 10
Airsoft PCP Enthusiasts
5 / 10
Field & Rental Operations
5 / 10
See how this compares to all Regulators

What it does well!

Key strengths users can’t stop talking about.
Lightweight design compared to competitors
“A Ninja setup is over half a pound lighter than the HK. I'm old and tired and willing to pay more to save those half pounds wherever I can! ”➕
“Your choices look good mate, but are very expensive options for your first step into hpa, a couple of notes I have is;”➕
“Your choices look good mate, but are very expensive options for your first step into hpa, a couple o”➕
Great products at a good price point
“I'd like to thank the guys in ninja for producing great products for a long period of time at a pretty good price point.”➕
User friendly and easy maintenance
“New Flex Tank Regulator From Ninja”➕
“FYI, this is not a new product. They've finally gotten around to reducing the output range and purposing it for paintball.”➕
High build quality with stainless bonnets
“Stainless bonnets, customer service, quality is really nice.”➕
“The build quality is a step up, the TKO using an easily replaceable seal is very nice, the direct fill is nice so that you aren't worried about slam filling the tank and ruining the reg seat, etc.”➕
User friendly with easy maintenance
“Powerhouse TKO Regulators What is so great about these regulators and why are they so expensive?”➕
Fast and helpful customer service
“That is weird, I have had nothing but incredibly fast and helpful experience with Ninja CS nth it has been a few years since I've reached out”➕
“Ninja saved me a bunch of time/money and responded fast because they're awesome.”➕
Adjustable pressure feature
“It was their “thing”.”➕
“If you have an adjustable reg the answer is yes, lowering the pressure would be a good idea.”➕
“Lets Talk Ninja Regs So apologies first this may be a wall of text, but I see a lot of misinformatio”➕
User-friendly maintenance
“Yea it looks like i can do it! Go ninja!”➕
All Ninja regulators are adjustable
“Are all ninja regulators adjustable ? I just learned my gun doesnt like high pressure and I was told I needed to lower the pressure.”➕
“All of the Ninja regs are adjustable. Refer to your manual.”➕
Lightweight design
“Love my new v2 ultralite. When I opened the box, I was having a beer. The beer weighed more than the 50/4500 tank+reg, I was blown away”➕
Compatible with different tank pressures
“Can I put a Ninja regulator on an Empire tank? Title says all.”➕
“Yes. Also, if you're going from a 4.5k to a 3k or the other way around, you'll need to change the burst disks to the proper ones for the pressures.”➕
User-friendly and easy maintenance
“While we're on the topic; Does this go for most tank regulators?”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
Difficulty in obtaining rebuild kits in the future
“Sad I just bought 2 pro v3s that I'm likely going to have a hard time finding rebuild kits for in the near future.”➕
Pressure adjustment difficulty
“If pressure adjustments are such a pain, why not make a tank reg that's adjustable on the fly?”➕

Compare On All Talked About Dimensions

Product NameImagePriceScoreCompareSee DetailsBuy Now
Aopkeo HPA Regulator Valve for Paintball and AirsoftAopkeo HPA Regulator Valve for Paintball and Airsoft$34
9.3
DetailsBuy
Ninja Paintball PRO V3 Ninja 4.5K RegulatorNinja Paintball PRO V3 Ninja 4.5K Regulator$97
7.3
DetailsBuy
Pautaca 4500Psi Input Paintball Air Tank RegulatorPautaca 4500Psi Input Paintball Air Tank Regulator$24
6.7
DetailsBuy
Aopkeo CO2 Compressed Air Tank Regulator ValveAopkeo CO2 Compressed Air Tank Regulator Valve$26
6.6
DetailsBuy
Pautaca Paintball Air Tank RegulatorPautaca Paintball Air Tank Regulator$24
6.6
DetailsBuy
Ninja Paintball Reg Regulator - 4500 psiNinja Paintball Reg Regulator - 4500 psi$59
6.5
DetailsBuy
Custom Products Gen3 Inline Regulator - BlackCustom Products Gen3 Inline Regulator - Black$71
6.4
DetailsBuy
HK Army HP8 Paintball Air Tank RegulatorHK Army HP8 Paintball Air Tank Regulator$34
6.3
DetailsBuy
CookiBlend HPA Tank RegulatorCookiBlend HPA Tank Regulator$22
5.8
DetailsBuy
Ninja Paintball Ultralite Ninja 4.5K RegulatorNinja Paintball Ultralite Ninja 4.5K Regulator$59
5.6
DetailsBuy
Inception HPR High Pressure RegulatorInception HPR High Pressure Regulator$89
5.5
DetailsBuy
Aopkeo HPA Low Pressure MR Reg GEN2 Micro CO2 RegulatorAopkeo HPA Low Pressure MR Reg GEN2 Micro CO2 Regulator$45
5.4
DetailsBuy
HK Army MP5 Performance Series RegulatorHK Army MP5 Performance Series Regulator$46
3.9
DetailsBuy
VaVoger Upgrade Paintball Co2 Pressure RegulatorVaVoger Upgrade Paintball Co2 Pressure Regulator$53
1.7
DetailsBuy
AUGREX Paintball Co2 Regulator Pressure RegulatorAUGREX Paintball Co2 Regulator Pressure Regulator$58
1.3
DetailsBuy
HK Army LP3 Performance Series RegulatorHK Army LP3 Performance Series Regulator$44
0.8
DetailsBuy
HK Army AeroLite2 Pro Adjustable & Rotational RegulatorHK Army AeroLite2 Pro Adjustable & Rotational Regulator$199
0.5
DetailsBuy

Core Power Plays

The specs and strengths that make it shine.
Comparison of Ninja regulator with HK regulator
“it does the same exact thing as a Ninja tank + Reg”➕
Discussion on performance differences between Ninja and Powerhouse regulators
“Convenience features and steel construction. Performance differences are likely not noticeable.”➕
Consideration of externally adjustable tank regulators
“There's no reason to add the complexity, size and weight of an externally adjustable system when you're dealing with 'set it and forget it' methodology.”➕

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Discussion on DIY solutions for regulator removal
“Make sure you use the correct Ninja tool for this, they sell one for standard/V2 regs and one for Pro V3 regs.”➕
“I'm glad it worked!! My first reaction was a hypothetical: "And the gauge still goddamn broke"...”➕
“I wish they made it so it had a removable handle of some kind.”➕
“miraculously, the reg was completely fine apart from a couple cosmetic scuffs”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Discussion about tank regulator compatibility
“If the tank and reg have the same rating 4500/4500 then yes.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Discussion on tank regulator performance myths
“The water pressure could be 75psi or 110psi and your hands have no idea.”➕
Discussion on troubleshooting regulator issues
“First shot is normal but if i shoot any faster than about 3bps it drops way off.”➕
“Having you taken the tank reg apart yet?”➕
Anticipation for product performance
“Haha i just posted about this last week. Im getting my ninja reg on saturday and i can let you know how it works (hopefully)”➕

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