Jake bowler
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- Jul 21, 2018
- 18
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Would cutting the barrel down on my sniper increases the FPS? Let me know
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Cutting the barrel
- Thread starter Jake bowler
- Start date
Polluxtroy69
Members
- Jun 23, 2018
- 171
- 22
I've just changed a longer tightbore for a shorted brass non tightbore and got better FPS. ?
Druid799
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- Sep 9, 2015
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Polluxtroy69
Members
- Jun 23, 2018
- 171
- 22
Im sorry mate haha.Always has to be one ! ?
????
The tightbore was a madbull if thats any help. No idea if theyre shite or not. But i hear the brass are decent.
Druid799
Supporters
- Sep 9, 2015
- 4,695
- 2,403
Nah probs ??
Was just quoting what the general rule of thumb seems to be with inner barrels , what Ive always heard anyway! ??
It has to be balanced.
Longer barrel = higher fps to a point, then it reduces it, but more importantly FPS is easy, It's a spring and it can be changed without any issues.
Longer barrel also = more variance in shot to shot FPS. This is bad for a sniper rifle. You need every shot to be the same or as close as possible. Having +-5fps a shot isn't going to cut it because with that FPS difference you will also see a hop variance. So the shot you fire will not hit the same point every time predictably.
You need to do a true volume calculation, then factor the barrel length to that. There are countless threads on this on here and on the sniper forums. Everyone has a different answer but most will be saying you need to be heading out towards the 2.5-3:1 ratio to get the shot consistency you need.
Longer barrel = higher fps to a point, then it reduces it, but more importantly FPS is easy, It's a spring and it can be changed without any issues.
Longer barrel also = more variance in shot to shot FPS. This is bad for a sniper rifle. You need every shot to be the same or as close as possible. Having +-5fps a shot isn't going to cut it because with that FPS difference you will also see a hop variance. So the shot you fire will not hit the same point every time predictably.
You need to do a true volume calculation, then factor the barrel length to that. There are countless threads on this on here and on the sniper forums. Everyone has a different answer but most will be saying you need to be heading out towards the 2.5-3:1 ratio to get the shot consistency you need.
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