Barrel Length

SP45

April 22, 2016 10:59

When measuring the length or a rifle barrel,do you include the chamber?

Thanks,Joyce

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  SP45

  April 22, 2016 10:59

  What are the advantages and disadvantages of barrel lenght of a shot- gun lets say the same choke 28" barrel vs 30" barrel???
  Thanks

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  pip5255

  April 22, 2016 16:03

  reloading manuals give bullet loads based on makes tested including barrel lenghts.

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  NeoBlackdog

  April 22, 2016 17:03

  This is a pretty interesting site as far as velocities go.
  http://www.ballisticsbytheinch.com/calibers.html

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  Hawk Carse

  April 23, 2016 03:14

  While you can get to a point of diminishing returns, in general longer is better.
  
  When the .243 was new on the market, one writer chambered a custom gun for it. He said he didn't know what a factory length gun would do and he was not going to ruin his 31" barrel to find out.

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  tsr1965

  April 23, 2016 12:25

  This forum is most likely the best source for ANY of that information. There are several wildcatter/cartridge designers on here that will tell you the best barrel length per caliber cartridge case size. I'm talking about folks who do it for a living, and not a hobby.

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  v35

  April 23, 2016 12:41

  Slower powders may affect barrel length over factory loads but Ballistics by the inch gives a good estimate.
  In catalogs of old black powder rifles, companies like Sharps gave options of some pretty long barrels at extra cost.

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  charliemeyer007

  April 23, 2016 12:43

  Optimum - Ever have to go into thick brush after a critter?
  
  For a shotgun after about 16" the powder is burnt.
  
  I suggest you shoot over a flat patch of new fallen snow to see how much un-burnt gunpowder can be broadcast down range by the way over bore capacity cartridges.
  
  The additional velocity from a longer barrel and a larger case is the tradeoff to handiness and barrel life.

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