06-16-2018, 09:23 PM
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Member
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Join Date: Apr 2011
Location: Twin Cites, Minnesota
Posts: 5,154
Likes: 10,998
Liked 10,886 Times in 3,282 Posts
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Quote:
Originally Posted by Rastoff
I used to believe the same thing, but have learned more. Yes, the powder is done burning at about 18"-22", but that doesn't mean the pressure just disappears. It might not be building, but it's still pushing. The extra 4" will give you a higher velocity without increasing the chamber pressure. This is a good thing when looking for maximum accuracy at longer distances. Out to 200 yards it's only a marginal difference. However, when you get out to 300-500 yards it makes a dramatic difference.
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^^^ Wut he said.
I had a Colt with a 24" barrel (I installed it aftermarket) and 4-12x variable scope. It made a great gun for prairie dog shooting.
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