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.

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12 Gram CO2 Cartridge for Airsoft Guns- 10 Pack

Product ID: 1667199

Details

Brand
SDNselect
Color
Silver
Item Weight
0.9 Pounds
Operation Mode
Manual
Power Source
Handheld

🎯Exacting fit & seal

🔄Consistent rapid fire

🔋12g pure CO2 power

€ 38.17

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Stay charged, stay ahead – never miss a shot!

BULK 10 PACK VALUE - Stay battle-ready with a reliable CO2 supply.
PRECISION FIT SEAL - Engineered tolerances guarantee leak-free performance.
CONSISTENT RAPID FIRE - Maintain your edge with steady, dependable gas output.
PURE 12 GRAM CO 2 POWER - Unleash maximum propulsion with every shot.
UNIVERSAL COMPATIBILITY - Works seamlessly with airsoft, paintball, and airguns.

This 10-pack of SDNselect 12 Gram CO2 cartridges delivers pure, consistent compressed gas power designed for flawless fit and seal in virtually all CO2-powered airsoft, paintball, and airguns. Engineered for rapid-fire reliability, these cartridges ensure you stay ready for every match or target session.

Specifications

ASIN	B0012Q8I6E
Best Sellers Rank	#94,319 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #28 in Bike CO2 Pump Systems
Brand	SDNselect
Brand Name	SDNselect
Color	Silver
Customer Reviews	4.6 out of 5 stars 4,469 Reviews
Item Weight	0.9 Pounds
Manufacturer	SDNselect
Manufacturer Part Number	2514556
Number of Packs	10
Operation Mode	Manual
Power Source	Handheld
UPC	796254089082
Unit Count	1.0 Count

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€ 38.17

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered 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 Greece.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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