are they ok for a smith&wesson 686-6model

No idea but if it's a CO2 pistol then should be OK Ring a gunshop and ask !!

Is this for 20 or 5? Main heading says 20. Description says 5.

It is for 20, the capsules actually come in boxes of 10. The "5" seems to be misleading. Cannot say how good they are though as the pistol I bought them for had to go back to the manufacturer before I got to use them

Will they work with a 1.77 air gun

Only if the air gun is designed to work with 12g CO2 capsules

question but how do u store co2 bulbs safely

If for an air pistol/rifle keep separately and away from direct heat. Remove from gun after use even if not empty.

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20 x 12g Co2 Gas Capsules Cartridge Air Rifle Pistol Gun Airgun 12 Gram CO2

Product ID: 47934522

Details

Brand
Umarex
Colour
Silver
Item weight
12 Grams
Material
mild steel
Product dimensions
8.3L x 1.9W x

🔋12g CO2 power boost

⚙️Silicone lubricant inside

🛡️Premium mild steel casing

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1964446₫

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💨 Power your precision with every shot!

DURABLE SAFE DESIGN - Crafted from premium mild steel to ensure leak-proof, long-lasting use.
TRUSTED BY PROS ENTHUSIASTS - Top-ranked CO2 capsules with 4.7-star rating and rave reviews for quality and value.
BULK PACK FOR SERIOUS SHOOTERS - 20-pack supply means you’re always ready—never miss a moment on the range.
CONSISTENT POWER SHOT AFTER SHOT - Each 12g capsule delivers reliable CO2 pressure for flawless airgun performance.
LOW MAINTENANCE HIGH PERFORMANCE - Built-in silicone lubricant reduces valve wear and keeps your airgun running smoothly.

Umarex 20-pack of 12g CO2 gas capsules offers consistent, high-quality power for air rifles and pistols. Featuring a built-in silicone lubricant to minimize maintenance and a durable mild steel shell, these capsules ensure reliable performance and longevity. Perfect for serious shooters seeking dependable, ready-to-use CO2 cartridges.

Specifications

ASIN	B01G21YF9M
Best Sellers Rank	739 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 1 in CO2 Systems
Brand Name	Umarex
Closure Type	Open Top
Colour	Silver
Customer Reviews	4.7 4.7 out of 5 stars (1,156)
Item Dimensions L x W x H	8.3L x 1.9W x 8.3H centimetres
Item Weight	12 Grams
Material Type	mild steel
Number of Compartments	1
Unit Count	1.0 count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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1964446₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered 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 Vietnam.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

1 month ago

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3 days ago

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