12g Co2 Cartridge
a concentrated shelf (top 5 take 93% of clicks) — 12g Co2 Cartridge doesn't clear our bar today.
Flapen Score
Is 12g Co2 Cartridge profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, 12g Co2 Cartridge is a £47K/yr Amazon United Kingdom market (39K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 44/100.
12g Co2 Cartridge: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved +8.7% over the last 90 days and 9.3% of searches end in a purchase.
£47K
revenue / yr
Who owns the niche?
The top 5 brands hold 85% of demand, so 15% of the market is open.
15%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.
0/100
page quality · 7 products
Top 12g Co2 Cartridge products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Umarex 20 x 12g Co2 Gas Capsules Cartridge Air Rifle Pistol Gun Airgun 12 Gram CO2
- Price
- £11.46
- Rating
- 4.7/5
- Reviews
- 1,207
- Age
- 10y ago

BISLEY 12g CO2 Cartridges for Airsoft Guns Pack of 50 Non-Threaded Gas Canisters Steel CO2 Capsules for Airsoft BB Gun CO2-Powered Devices & Gear
- Price
- £17.72
- Rating
- 4.2/5
- Reviews
- 18
- Age
- 9mo ago

Umarex 12gram Airgun Co2 Cartridge 50 Pack - 12 gram Powerlets Bulbs Suits All Popular Co2 Pellet and BB Guns Inc. Crosman Gamo and Swith Wesson etc.
- Price
- £20.51
- Rating
- 4.8/5
- Reviews
- 765
- Age
- 10y ago

12 Gram CO2 Cartridge Non-Threaded (10pk) Airsoft Gas for CO2 Devices
- Price
- £8.40
- Rating
- 4.4/5
- Reviews
- 2,694
- Age
- 11y ago

ARSUK 12g CO2 Cartridges Pack of 10 Non-Threaded Gas Canisters Stainless Steel CO2 Capsules for Sporting Goods CO2-Powered Outdoor Devices & Gear
- Price
- £9.90
- Rating
- 4.6/5
- Reviews
- 878
- Age
- 16y ago
Trending
90-day click momentum
Lotsdonxia Tactical Pistol Holster Right & Left Hand Draw IWB/OWB Gun Holster for Concealed Carry Adjustable Waistband Holster for Full-Size Pistols (Black)
- Price
- £4.43
- Rating
- 4.2/5
- Reviews
- 6
- Age
- 1y ago

AOLS Refillable Cartridge 12 gram capacity for Airsoft
- Price
- £17.16
- Rating
- 3.7/5
- Reviews
- 23
- Age
- 5y ago

BISLEY 12g CO2 Cartridges for Airsoft Guns Pack of 50 Non-Threaded Gas Canisters Steel CO2 Capsules for Airsoft BB Gun CO2-Powered Devices & Gear
- Price
- £17.72
- Rating
- 4.2/5
- Reviews
- 18
- Age
- 9mo ago

12 Gram CO2 Cartridge Non-Threaded (10pk) Airsoft Gas for CO2 Devices
- Price
- £8.40
- Rating
- 4.4/5
- Reviews
- 2,694
- Age
- 11y ago

Umarex 20 x 12g Co2 Gas Capsules Cartridge Air Rifle Pistol Gun Airgun 12 Gram CO2
- Price
- £11.46
- Rating
- 4.7/5
- Reviews
- 1,207
- Age
- 10y ago
Newest
by launch date
BISLEY 12g CO2 Cartridges for Airsoft Guns Pack of 50 Non-Threaded Gas Canisters Steel CO2 Capsules for Airsoft BB Gun CO2-Powered Devices & Gear
- Price
- £17.72
- Rating
- 4.2/5
- Reviews
- 18
- Age
- 9mo ago

Lotsdonxia Tactical Pistol Holster Right & Left Hand Draw IWB/OWB Gun Holster for Concealed Carry Adjustable Waistband Holster for Full-Size Pistols (Black)
- Price
- £4.43
- Rating
- 4.2/5
- Reviews
- 6
- Age
- 1y ago

AOLS Refillable Cartridge 12 gram capacity for Airsoft
- Price
- £17.16
- Rating
- 3.7/5
- Reviews
- 23
- Age
- 5y ago

Umarex 20 x 12g Co2 Gas Capsules Cartridge Air Rifle Pistol Gun Airgun 12 Gram CO2
- Price
- £11.46
- Rating
- 4.7/5
- Reviews
- 1,207
- Age
- 10y ago

Umarex 12gram Airgun Co2 Cartridge 50 Pack - 12 gram Powerlets Bulbs Suits All Popular Co2 Pellet and BB Guns Inc. Crosman Gamo and Swith Wesson etc.
- Price
- £20.51
- Rating
- 4.8/5
- Reviews
- 765
- Age
- 10y ago
Competition: brands, sellers & click share
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.
Brands
5 flat
Sellers
15
Top-5 brand share
85%
Top 20: 85%
Top-5 click share
93%
Top 20: 100%
Open market
0%
- Umarex60%
- --15%
- ICO10%
- ARSUK8%
- Lotsdonxia4%
- AOLS3%
- Open — no brand owns it (0%)
12g Co2 Cartridge demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Top 12g Co2 Cartridge search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- 12g co2 cartridge26K/yr
- 12g co2 cartridge air pistol4K/yr
- co2 cartridge 12g4K/yr
- umarex co2 cartridge 12g4K/yr
What reviews say buyers love and hate about 12g Co2 Cartridge
What buyers mention most, as a share of all reviews.
What buyers love
97% of reviews“Good quality”
“Great bundle, affordable price”
“As per listing”
“Lightweight and smooth appearance”
“good fit”
What buyers complain about
92% of reviews“Leaks”
“The cap is not perfectly flat it has a slight indentation causing the pin to fail to puncture correctly causing ice up”
“Poor quality”
“not boxed as in the illustration”
“Just a weak, cheap, paper bag so happy that no cartridges were listed in transit thus time”
12g Co2 Cartridge return rate & reasons
Why buyers send it back, as a share of all return requests.
0.2%
Return rate
70%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common 12g Co2 Cartridge questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









