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Lands and Groove question


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Looking down the barrel, we all know which is the lands and which is the grooves.

 

BUT, when the bullet is fired, do the marks on the bullet made by the lands and grooves become the grooves and lands?

 

..........Widder

 

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16 hours ago, Widder, SASS #59054 said:

 

BUT, when the bullet is fired, do the marks on the bullet made by the lands and grooves become the grooves and lands?

 

..........Widder

 

 

You've been hangin' out with Alpo again, haven't you?

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16 hours ago, Widder, SASS #59054 said:

Looking down the barrel, we all know which is the lands and which is the grooves.

 

BUT, when the bullet is fired, do the marks on the bullet made by the lands and grooves become the grooves and lands?

 

..........Widder

 

 

You sure you're not related to Alpo?...........:lol:

Maybe-You should go back to fix'n Marlin 94's to occupy your free time........:D

Think of the bullet, as the mirror image to the bore.......

OLG

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3 hours ago, Colorado Coffinmaker said:

 

What??  Widderpo!!  

 

When WE refer to Lands and Grooves, it is in reference to the 'high ridges of metal' (lands)between the low spots (grooves).

 

On the fired bullet, the 'Depressions'  made by the rifled 'lands' are called grooves and the 'Impressions' caused by the

rifled grooves are now called lands.

 

For some reason, I was just thinking this is a strange way to use terminology of a fired bullet when trying to match

it with a particular rifle.

The bullets 'land' diameter would equal the rifles 'groove' diameter.

Or, the rifles 'land' diameter would equal the bullets 'groove' diameter.

 

:wacko:

 

..........Widder

 

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17 hours ago, Widder, SASS #59054 said:

 

When WE refer to Lands and Grooves, it is in reference to the 'high ridges of metal' (lands)between the low spots (grooves).

 

On the fired bullet, the 'Depressions'  made by the rifled 'lands' are called grooves and the 'Impressions' caused by the

rifled grooves are now called lands.

 

For some reason, I was just thinking this is a strange way to use terminology of a fired bullet when trying to match

it with a particular rifle.

The bullets 'land' diameter would equal the rifles 'groove' diameter.

Or, the rifles 'land' diameter would equal the bullets 'groove' diameter.

 

:wacko:

 

..........Widder

 

This is why God invented ballistic stereoscopes.;)

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3 hours ago, Tennessee williams said:

I dont have a lot of bears here in middle tn, but here is a picture of a tick I caught in my back yard.

370884.jpg

He seems happy. :lol:

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3 hours ago, Chickasaw Bill SASS #70001 said:

looks like a scammer to me 

 

  CB 

????

 

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