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Ninja Paintball Ultralite Ninja 4.5K Regulator

Curated from 56 real Reddit conversations

Refreshed on: April 14, 2025

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Ninja Paintball Ultralite Ninja 4.5K Regulator

Brand: Ninja Paintball
Price: $59
Snoop Score:
5.6
Sentiment
5.3
Popularity
5.8
Technical
5.4
Buy on Amazon for $59See All Regulators Reviews
As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The Ultralite Ninja 4.5K Regulator by Ninja Paintball is a high-performance paintball regulator designed for precision and reliability. With adjustable output pressure settings and a lightweight design, it caters to both casual and competitive players looking for optimal performance on the field. Consumer feedback highlights a mix of strengths and weaknesses. Many users appreciate the adjustable pressure feature, stating that it was their “thing,” while others praise the regulator's lightweight design, noting, "the beer weighed more than the 50/4500 tank+reg, I was blown away." However, some users have expressed concerns about difficulty removing the regulator and issues with pressure creep, with one comment mentioning, "I’ve had enough ninja prov2 regs with ridiculous amounts of creep, I gave up on them." Overall, despite some criticisms regarding functionality, the Ultralite Ninja 4.5K Regulator is recommended for those seeking a reliable and lightweight option in the paintball regulator category. Its positive feedback on pricing and performance makes it a solid choice for enthusiasts and seasoned players alike.

Not for you? Check out our other rated Regulators

It was their “thing”.

Positive Feedback

my regulator wasn't coming off by hand using only the Ninja reg removal tool, so I made a jig to help me.

Negative Feedback
Product
5.6
Ninja Paintball Ultralite Ninja 4.5K Regulator
Buy on Amazon for $59
Beginner Players
5 / 10
Competitive & Tournament
9 / 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.
Adjustable pressure feature
“It was their “thing”.”➕
“lowering the pressure would be a good idea.”➕
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.”➕
Ninja regulators offer good pricing
“Ninjas are great and have a good price, but most cheaper regs are decent copies of Ninjas.”➕
“Ninja has been my go-to for 15+ years.”➕
Ninja regulator is considered superior
“the ninjas regulator is much better”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
Difficulty removing regulator without additional tools
“my regulator wasn't coming off by hand using only the Ninja reg removal tool, so I made a jig to help me.”➕
“I wish they made it so it had a removable handle of some kind.”➕
Creep issue with Ninja regulators
“I’ve had enough ninja prov2 regs with ridiculous amounts of creep, I gave up on them.”➕
“Hi, did you resolve the Flex regulator problem you were having? I have a brand new and it creeps (increase pressure) really easily.”➕
“Bought it brand new attached to a 68/4500 ninja sl2 tank. Set the output pressure to 500.”➕
Difficulty adjusting output pressure
“Dont bother with the new ones. Going back to shims vs the PH system is a step back.”➕
Ninja regulators known to creep past operating pressure
“Ninja trying to get a piece of the pie because they know that PH puts out better regulators.”➕

Compare On All Talked About Dimensions

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Ninja Paintball PRO V3 Ninja 4.5K RegulatorNinja Paintball PRO V3 Ninja 4.5K Regulator$97
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Pautaca 4500Psi Input Paintball Air Tank RegulatorPautaca 4500Psi Input Paintball Air Tank Regulator$24
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Aopkeo CO2 Compressed Air Tank Regulator ValveAopkeo CO2 Compressed Air Tank Regulator Valve$26
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Pautaca Paintball Air Tank RegulatorPautaca Paintball Air Tank Regulator$24
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Ninja Paintball Reg Regulator - 4500 psiNinja Paintball Reg Regulator - 4500 psi$59
6.5
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Custom Products Gen3 Inline Regulator - BlackCustom Products Gen3 Inline Regulator - Black$71
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HK Army HP8 Paintball Air Tank RegulatorHK Army HP8 Paintball Air Tank Regulator$34
6.3
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CookiBlend HPA Tank RegulatorCookiBlend HPA Tank Regulator$22
5.8
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Ninja Paintball Ultralite Ninja 4.5K RegulatorNinja Paintball Ultralite Ninja 4.5K Regulator$59
5.6
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Inception HPR High Pressure RegulatorInception HPR High Pressure Regulator$89
5.5
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Aopkeo HPA Low Pressure MR Reg GEN2 Micro CO2 RegulatorAopkeo HPA Low Pressure MR Reg GEN2 Micro CO2 Regulator$45
5.4
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HK Army MP5 Performance Series RegulatorHK Army MP5 Performance Series Regulator$46
3.9
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VaVoger Upgrade Paintball Co2 Pressure RegulatorVaVoger Upgrade Paintball Co2 Pressure Regulator$53
1.7
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AUGREX Paintball Co2 Regulator Pressure RegulatorAUGREX Paintball Co2 Regulator Pressure Regulator$58
1.3
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HK Army LP3 Performance Series RegulatorHK Army LP3 Performance Series Regulator$44
0.8
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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.
Discussion on specifications and damage risks
“Avoid hk regulators and extenders they aren’t to the same specs as a ninja or powerhouse and can damage the threads on your gun. I learned this the hard way.”➕
Discussion about the history of adjustable regulators
“FYI, this is not a new product. They've finally gotten around to reducing the output range and purposing it for paintball.”➕
Discussion on the need for 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.”➕
User anticipation for receiving and testing the Ninja regulator.
“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)”➕
Discussion on the actual performance difference of regulators
“Short answer, no there's no performance difference on how paintballs will come out of your marker.”➕
General discussion about HPA tanks and regulators
“What are some good HPA tanks? I’ve been looking at the first strike tanks with the Basic HK Army Reg.”➕
Discussion about tank weights and discrepancies in reported measurements
“Tanks just keep coming out lighter and smaller!”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Comparison of different tank regulators
“I understand that certain regulators like the TKO have a locking cartridge, adjustable output pressure, etc. and that might effect price but there is a sizable difference in price between TKO's regulator and Immoral Air's.”➕
“The consistency of the gun is gonna come down to its HPR, working condition, and paint quality.”➕
Discussion about verifying output pressure with a gauge
“All of the Ninja regs are adjustable.”➕
Discussion about changing burst disks for different 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.”➕
Conversation about the compatibility of tank regulators.
“While we're on the topic;”➕
“If the tank and reg have the same rating 4500/4500 then yes.”➕
Comparison of Ninja regulators with other brands
“The only reason I didn’t get the aerolite 2 was that Ninja regulators are known to creep past its operating pressure.”➕
“they currently make the best regulators and has worked great for me so far.”➕
“Is this something that actually matters, or just more paintball fluff?”➕
Discussion about alternative options and pricing
“88ci is probably overkill for your situation.”➕
“Get the SL2 bottle with the ultra lite V2 regulator.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Discussion about regulatory changes and their impact on gun violence
“Russia knows that gun violence weakens US social cohesion.”➕
Humorous take on regulator issues
“I'm glad it worked!! My first reaction was a hypothetical: "And the gauge still goddamn broke".”➕
“lol that’s pretty smart, my buddy had the same issue but he wasn’t so patient with the solution so he just bashed the full nipple on a picnic table and it twisted off after like 4-5 hits.”➕
Discussion about troubleshooting regulator issues
“Having you taken the tank reg apart yet?”➕
Comparison of customer service experiences
“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”➕
Coating wear on threading is normal
“Can someone help me understand why my ninja regulator is rusting? I haven’t seen this happen before and I’m afraid to put it in my marker with it like this.”➕
“Spray with wd40 or pb blaster and dont worry about it. The coating will wear from threading/unthreading but its not going to hurt anything.”➕
Debate on the trend of separate on-off ASA systems
“While we could still make it smaller than regs of the past, the size and the cost are two of the biggest factors.”➕
Discussion on the state of tank and regulator market
“It appears everything tank related is HK now.”➕
“Powerhouse regulators are solid as are infamous tank bottles.”➕
“Empire/JT has a selection of tanks and regulators.”➕

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