12 Gram CO2 Cartridge - 50 Pack

Works, no shortages, good seals. Good deal when the price is low.

Ordered these due to the good feedback from previous customers. Hey, 50 12 C02 cartridges for this price and the low shipping is a great deal. The U.S. Postal system lost my order ( no fault of SDN ). Upon first contact with SDN! they shipped out a replacement order. To my surprise, it arrived 2 days later. SDN had shipped my replacement oruder by 2 day priority mail. I call that Customer Service! The product came packaged well. Loos packed in a bag with plenty of packing material. The cartridges I recieved were made by Leeland and performed as well or better than any Crossman, or Swiss arms cartridge I have used. I always place a drop of chamber oil on top of my cartridges just before use. It keeps the seals from freezing or drying out. I use these in my Umarex Steel Storm BB machine gun which has a single and 6 shot burst mode. The Umarex Steel Storm has a 300 BB resiviour and a 30 shot magizine and shoots close to 500 fps. It uses a twin 12 gram cartridge mag in the grip. I'm used to getting about 280 shots from this rig with a combination of single shot and 6 round burst shots. With the cartridges from SDN I empied the resiviour and got 50 more shots. That is pretty impressive. I took my Steel Storm with me to my local firing range along with 3 or 4 of my real firearms just for fun. Lying there on the bench next to my AR & AK, everyone wanted to know what that strange Uzi looking thing was? Once I put on a little demonstration EVERYBODY wanted one AND the deal on the SDN cartridges. The steel stomn was putting 1 inch groups at the 75 yard rifle target placement and imbedding half way into the 1" plywood base. In 6 shot auto mode it would tear out the bullseye in five 6 shot busts. The thing that really wowed everyone was I took a couple of 6 shot burst shots at the 200 yard target plywood backstop. Using a couple inches of elevation I let off the 1st shot and after about 4-5 seconds we all heard, tap,tap,tap,tap,tap, tap. What a hoot. The other cartridges would not have done that. That Saturday before Easter I know I sold about 6 Umarex Steel Storms & a bunch of orders of 50 pack C02 cartridges for SDN Retail. If only I got a commisson, haha. Order the 50 pack from SDN! you won't regret it. Oh, I also use these in my customized Crosman 2240 pistol with carbine stock, 18"barrell power adjuster plus other custom goodies. These cartridges work great in that gun as well. If you take a BB machine gun to a shooting range, grown men turn 14 again!

These seem to be high quality for their genre. One of the things I noticed about using them is the importance of using proper technique when installing the cartridge. If you are hesitant about seating the cartridge, there is a bleed off of the CO2 that diminishes the overall effectiveness of the cartridge. Seating the cartridge properly involves a rapid and positive movement that avoids losing some of the capacity. I use these in a laser pistol that simulates the targeting and the recoil of a standard semi-automatic pistol. If I do not effectively seat the cartridge, it reduces the number of trigger pulls I get from a cartridge. Ergo, I advise you to quickly and positively seat the cartridge to maximize the capacity.

Nice, affordable, working cartridges. Unfortunately, packaging was nonexistent (they just threw them in a box to shuffle around in during shipping). I suppose they didn’t need to be packaged that well since they came in great condition.

Great value for a decent price

These co2 cartridges are just like every other ones without a fancy name and logo. they have worked perfectly so far. I've been through about a dozen or so this is by far the cheapest option ive came across. best bang for your buck!! Also shipped fast was here before everything else I ordered was... 👍🏻😁👍🏻👌🏻🤷🏻‍♂️

For the amount of cartridges you are getting this is a great buy. The delivery was on time. Fortunately we still have many of these cartridges due to me buying them and my wife not knowing I did and buying the same case. Will buy again.

Almost all of them worked!