Crossman are known for their low quality. The polished seam still means seam, just polished over, like said before. The seam bbs are made in two halves, then put together by glue or melting something, I forget exactly what they use. The seam bbs shouldn't break in your gun unless they are defective and/or you are using a very high fps.
BB Quality and how it can Affect a Gun
Today I ordered my first rifle from Airsoft Megastore, and after the order was completed the site recommended a couple of videos on BB quality and how low-quality BBs can damage your internals.
From these videos I've learned that seamless BBs can be misleading in their construction, and that many retail store brands are practically polished seamed BBs. Obviously, this can increase the chances of breaking and screwing up your gun. I bought an AGM VSR10, and at the moment I have three quarters of a 5k box of Crosman .20s. After testing one with a pair of pliers, the BBs are seamed but polished. Should I be worried about the BBs breaking inside of the gun because of their quality, or does the bolt action prevent this from happening or lower the chances of BB breakage? Should I look into investing in high quality ammunition before I use a single Crosman, or can I spare some time before I order new ones?
From these videos I've learned that seamless BBs can be misleading in their construction, and that many retail store brands are practically polished seamed BBs. Obviously, this can increase the chances of breaking and screwing up your gun. I bought an AGM VSR10, and at the moment I have three quarters of a 5k box of Crosman .20s. After testing one with a pair of pliers, the BBs are seamed but polished. Should I be worried about the BBs breaking inside of the gun because of their quality, or does the bolt action prevent this from happening or lower the chances of BB breakage? Should I look into investing in high quality ammunition before I use a single Crosman, or can I spare some time before I order new ones?
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There are no real parameters set for weights. The only thing I can say for sure is not to use .2g in anything over 350. I am pushing 500-550 fps and I use .3s very effectively. I know some people using 400 fps with .43s. It's all preference really. If you have the budget, get a few different weights and see what works best for you. As forbrand of bb, I love bioshots. They are biodegradeable, come in several weights, are very cheap for the quantity, and give the best consistency I have gotten out of any bb. The only downside is the only place to get them is their website. They are also about the same as biovals in my experience.
The heavier bb does in fact have more resistance to factors such as wind, rain, and leaves. The optimal fps for a bb is 300 (cheese explained why this is in one of the threads in the new members section) to get the most effective range. Higher fps just means the bb gets there faster. The backspin on the bb creates a low pressure zone on top and high pressure zone on bottom which gives it a little lift. It does somewhat climb it I guess. The word you were looking for reezo is fluid by the way.
I like higher fps because, and I have said this before, if the bb gets there faster there is less error in timing for targets that are moving or might move at any second. I just prefer ease of use to effective range. Also, I am installing r-hop into my gun so it gives the the range I lost when I got higher fps. You are right that as fps changes, the system effectiveness changes as well, but from what I have heard r-hop negates that change. You are also right in that softer buckings will wear out faster, but because they are softer they will actually be more consistent.
As long as you have the nub centered and the arm shimmed you shouldn't get too much left or right deviation. With higher fps it is just a lot harder to get the small increments of ajdustment you want with the hopup. I was using my nineball bucking in my 550 fps setup before and was hitting people out to a little under 100 yards. When I get my ir-hop tuned I hope to get more than 300. After about 150 feet depending on fps, the heavier bb will get to the target faster because of momentum like silent said.
Oops meant 300 feet. That's what I get when I leave the computer for a sec in the middle of a sentence then try to finish it a half hour later. Messes up my train of thought.
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