Ever notice how the first 5-10 shots have more power than the rest of the cartridge? That's because releasing the CO2 cools the cartridge itself. The more you shoot, the less power you have because the cartidge and CO2 in it are cooling down.
I accidentally left a box of cartridges outside one cool night and shot right away in the morning. I was surprised that I got 2 or 3 more magazines out of the cartridges left out in the cold. The next few days were warm and my round count per cartridge returned to normal. Just for kicks I put my next box of cartidges in the refrigerator and sure enough, back to the high round count.
My theory is that until it cools off, a warm cartidge releases 3 or 4 times as much CO2 per shot compared to a prechilled cartridge. Since I shoot right in my back yard I can take the cartridges right out of the refrigerator into the gun, but you could use a cooler if you are farther from your house.
I don't need the higher power of the first few shots as much as I need a higher round count for practice.
I accidentally left a box of cartridges outside one cool night and shot right away in the morning. I was surprised that I got 2 or 3 more magazines out of the cartridges left out in the cold. The next few days were warm and my round count per cartridge returned to normal. Just for kicks I put my next box of cartidges in the refrigerator and sure enough, back to the high round count.
My theory is that until it cools off, a warm cartidge releases 3 or 4 times as much CO2 per shot compared to a prechilled cartridge. Since I shoot right in my back yard I can take the cartridges right out of the refrigerator into the gun, but you could use a cooler if you are farther from your house.
I don't need the higher power of the first few shots as much as I need a higher round count for practice.