Does this work for the jt er2 pump pistol rts kit

The ones I am selling are standard size. So I think they are universal fit. If you want to try them out, if they don't fit you can send them back to me for refund.

No, the ones i'm selling aren't threaded.

Will these cartridges fit a Umerex BB pistol?

I used them for my Umarex SA.177 Co2 gun. There a specification for "grams" that your BB gun uses. I beleive these your asking about are 12 grams which relates to size and pressure.

is it 12 Grams per cartridge, or 1.2 per cartridge?

Each cartridge holds 12 grams of liquid CO2. Be sure to select Paintball Discounters as your Amazon fulfillment partner.

Sdn 12 Gram Co2 Cartridge | Desertcart British Virgin Islands

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$143.81

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Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power your game with precision and reliability!

INSTANT CO 2 POWER - 12 grams of reliable CO2 for rapid firing and consistent performance.
TOP RATED BY USERS - 4.6 stars from over 4,200 reviews—join the community that trusts SDN.
TRUSTED BRAND QUALITY - SDNselect’s precision manufacturing ensures dependable performance every time.
LIGHTWEIGHT PORTABLE - At just 0.9 pounds, it’s easy to carry and swap on the go.
EFFORTLESS MANUAL OPERATION - No batteries or charging—just pure manual power when you need it most.

The SDN 12 Gram CO2 Cartridge delivers a consistent 12g CO2 charge in a lightweight, durable plastic casing. Designed for manual operation with no batteries required, it’s a trusted accessory for paintball enthusiasts, boasting a 4.6-star rating from over 4,200 users.

Specifications

ASIN	B0012Q8I6E
Brand	SDNselect
Brand Name	SDNselect
Colour	Silver
Customer Reviews	4.6 out of 5 stars 4,240 Reviews
Item Weight	0.9 Pounds
Item weight	0.9 Pounds
Manufacturer	Kingman Training
Manufacturer Part Number	2514556
Material	Plastic
Material Type	Plastic
Operation Mode	Automatic
Operation mode	Automatic
Power Source	Manual
Power source	Manual
UPC	796254089082

Reviews

D**T

Good

Great product and reasonable price.

5.02.2026

H**T

Works great

A good product for a good price 👌

28.09.2024

D**G

Arrived quickly

Each container worked. No duds

3.12.2024

I**N

Good product

Easy to load and reliable product

13.12.2025

M**A

Right on point

Good quality Co2

6.06.2025

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$143.81

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.