I learned a few things when I moved from 0.2g BB's to 0.25g BB's. So I will share what I learned in this thread.
1. Due to the higher mass, the same hop-up setting causes the heavier BB to drop earlier than lighter BB. That means you'll have to adjust the hop-up to hit the same spot at long distances. If you have a red dot that is already sighted-in, you can just adjust the hop-up so that the heavier BB hits the red dot again.
2. Due to the higher hop-up setting necessary for the heavier BB, the FPS will actually be slower. What does that mean? Let's take a real world example. I have built my VSS to shoot 400 FPS @ 0.2g. That means it should shoot at 357.77 FPS @ 0.25g, right? Wrong. It actually shoot at 333 FPS @ 0.25g (372.31 FPS @ 0.2g), because the hop-up has been adjusted upward to compensate.
What else should we know? Share with us.
Wed, 04 Jun 2014 03:21:51 +0400
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Title: How to Build an Airsoft DMR
Excerpt: I have always wanted to build an airsoft designated marksman rifle (DMR). Here is a video I watched several nights ago that really explains how to do it well and inexpensively. This video shows both external and internal parts. But I like to direct your attention to its internal changes, because you . . .
Tracked: Wed, 11 Jun 2014 02:55:18 +0400
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