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January 14, 2010, 04:07 AM | #1 |
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Shotgun barrel length measurement
Is the barrel length measured from the front edge of the receiver to the end of the muzzle, or is it measured with the barrel removed.
My new used 870 measures exactly 25" from receiver to muzzle, with another 1.5" or so of length which sets back in. I'm guessing this would be considered a 25" barrel.? Josh P |
January 14, 2010, 06:47 AM | #2 |
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drop a wooden dowel down the muzzle with the bolt closed, mark at muzzle. measure. thats your barrel legenth.
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January 14, 2010, 06:56 AM | #3 |
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troy is correct.
It is also my experience that Remington's measurement of their barrels is just an approximate measurement. Most of the measurements they list in the catalog are about 1/2" different from what I actually measure. In most cases 1/2" shorter than advertised, but in some cases 1/2" longer. I suspect they make all of the barrels at least 30" and then cut at the vent rib post to get the shorter 26" and 28" barrels. I have found the 26" and 28" barrels to all measure about 1/2" short. I once had an 870 Supermag with an advertised 23" barrel that was 1/2" longer. |
January 14, 2010, 01:42 PM | #4 |
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guitar1580, for clarity: the measurement is taken from the face of the bolt (or breech of an O/U - SxS)) to the end of the muzzle. Troy's method is correct as are jmr's observations.
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January 14, 2010, 04:13 PM | #5 |
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If a shotgun barrel must be measured for length, apart/separate from any/it's receiver, measure from inside the muzzle, along the length of the barrel & chamber to the rear end of the chamber's rim recess in the edge of the chamber's throat.
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January 14, 2010, 04:18 PM | #6 |
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And if you are trying to determine length to abbreviate a longer barrel for HD use, it is best to err on the side of too much longevity rather than too much brevity......
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January 14, 2010, 11:29 PM | #7 |
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I used a cleaning rod, and measured from muzzle to bolt, and its 25.5 inches, so I guess it's considered a 25" barrel. Thx,
JP |
January 15, 2010, 08:40 AM | #8 |
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If you got 25.5 your barrel is considered a factory 26" barrel. See post #3.
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