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Theory says that the heavier weight BB should travel further than the lighter weight BB. Theory also says that the environment should effect the heavier BB less. But is the heavier BB more accurate and more precise than lighter BB's? We decided to find out using real practical tests; firing 0.2g BB's and 0.25g BB's from the same gun, at the same target, and with the same distance.
We downloaded the following free target from Evike's web site. This target has inches markings. But Evike provided a raster (JPG) image, not a vector file. Therefore, when we printed the image on our laser printer, the target wasn't to scale. However, the 7" mark was almost exactly 7 centimeters on our print out. Therefore, it provides a good relative measurement.
This target worked so well in our previous tests, we plan to keep using this target for our future tests as well.
For this test, we used the Shark Raptor. We built this gun in the "Build a Science Fiction Airsoft Gun" article. You can read all about the specs of this gun in that article.
The stock metal hop-up unit has been adjusted to be accurate and precise out to over 30 feet in an outdoor environment. It has a stock plastic H-hop spacer. The adjustment is accomplished with 0.2g BB's. We want to see if changing the BB weight changes the zeroing of the sight.
We used Angel Custom Professional Grade 6mm Airsoft BB (0.2g) and Matrix Professional Grade 6MM Airsoft BB (0.25 g) in this test. From our reviews, we know that Angel Custom, Evike, and Matrix BB's are manufactured by the same company. Therefore, there should be no inconsistencies between manufacturing processing in this test. Read our review articles: