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Old 10-20-2012, 11:27 AM #1
Gab101
 
 
Join Date: Oct 2012
One piece question?

I would like to now if bore size on a one piece is the same for the entire length of the barrel or the bore size will change like if I was used an two piece barrel?
thanks
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Old 10-20-2012, 12:47 PM #2
SNAKESNIPER (Banned)
 
 
Join Date: Nov 2011
Location: Toronto
Depends on the barrel.

Most stepped-bore one pieces will have a certain control bore length, and then a wider bore for the end of the barrel.
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Old 10-20-2012, 06:29 PM #3
Gab101
 
 
Join Date: Oct 2012
And what's th difference between both...? Best accuracy on a stepped bore size or not... And what's the difference for the effciency?
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Old 10-21-2012, 06:47 PM #4
SNAKESNIPER (Banned)
 
 
Join Date: Nov 2011
Location: Toronto
Any underbore will give you better efficiency than an overbore. IMO stepped bore is quieter because it allows more air to escape after the initial force of the underbore has been spent. Accuracy has more to do with paint quality and weather conditions than anything else, so no barrel is more accurate than any other.

TL;DR Stepped bore is better, Accuracy is a paint issue, not a barrel one.
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