Samurai
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- Mar 7, 2014
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This is not 100% true.
- 280-300FPS: No heavier than .20g; however if your hop up is better than average, shoot for .23g.
- 300-350FPS: .25g if your hop up can handle it is a good way to go. .20g still works well here and is appropriate, but try a little heavier like .23g or .25g.
- 350-400FPS: With this velocity, aim for .25g up to .30g depending on your hop up set up. Properly tuned rifles with this BB weight will outperform those with lighter BBs at range.
- 400-450FPS: Going for a DMR set up? Try at least .28g and with proper hop up adjustment, .36g is achievable with exceptional results.
- 500-550FPS: Long range marksmanship requires the heaviest and best BB you can afford. .32g up to .43g is suggested for those who want that "whistle" sound when a heavy BB with good backspin penetrates the air on its way to the doomed target. A patient, meticulous technician and shooter should be able to achieve 250-300ft range with his or her rifle.
In my boltie I use 0.36 or 0.40 with 345fps (with 0.20). I my AEG (340 fps with 0.20) I use 0.3. Far better range and grouping than with lower weights. Not just with these two guns.
In the MK23 I use 0.28 with the fps lower than 300fps (with 0.20). No joule creep in any of those.
FPS and BB weight doesn't have much to do with each other. Cylinder vs barrel volume is a key factor for deciding weight. However I always recommend to use the heaviest BB your hopup can spin, if you want effective range and accuracy (and flatter trajectory). Also, heavier BBs reach the target faster too.
The only consideration is cost. If you use full auto then that compensates for the lack of accuracy but you might want more BBs for the same price.
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