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AR15.COM
4/25/2005 9:34:13 AM EDT
Hello all.  I've got a question about Colt rifling.  In Forensic Science class today, we started the chapter on firearms and tool marks.  My teacher mentioned that Colt was unique in that the rifling for their handguns* twists to the right and just about everybody elses twists to the left(some exceptions I'm sure).  I wanted to know if this accurate and if so, why the difference?  I don't think my teacher is the sharpest tack in the box, he made reference to a, and I quote "semiautomatic machinegun".

edit for putting in "handguns"
4/25/2005 9:37:06 AM EDT
[#1]
Your instructor is a dumbass.

Unique means singular.
4/25/2005 9:37:35 AM EDT
[#2]
I think that is wrong. Almost everybody make right hand twist. Colt gets their rifle barrels from contractors that supply other makers too.

Now pistols, they could be different. I don't know, but I doubt it.

I know their revolver cylinders turn opposite a S&W.
4/25/2005 9:39:59 AM EDT
[#3]

Quoted:
I think that is wrong. Almost everybody make right hand twist. Colt gets their rifle barrels from contractors that supply other makers too.

Now pistols, they could be different. I don't know, but I doubt it.

I know their revolver cylinders turn opposite a S&W.

Yeah, I think he was talking about handguns.  He also mentioned the revolver cylinder thing.
4/25/2005 9:42:09 AM EDT
[#4]

Quoted:
I think that is wrong. Almost everybody make right hand twist.



Right hand twist is by far the majority in firearms.


Colt gets their rifle barrels from contractors that supply other makers too.


That is somewhat BS.  Just because Colt gets their barrels from some large barrel maker that produces other brands of AR-15 doesn't make them the same.


4/25/2005 9:42:21 AM EDT
[#5]
He is correct

The pistols for many years had this style due to the fact his equipment was purchased in england. Colts twist for the 38 special was also faster. This goes back to the cap and ball era and I believe to WW2. possibly today.

Doubt for every gun but I did read that in a few locations over the years.
4/25/2005 10:15:15 AM EDT
[#6]

Quoted:
He is correct

The pistols for many years had this style due to the fact his equipment was purchased in england. Colts twist for the 38 special was also faster. This goes back to the cap and ball era and I believe to WW2. possibly today.

Doubt for every gun but I did read that in a few locations over the years.

.  I didn't know he purchased his equipment in England, that's very interesting.