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Polishing Choke tubes..

Started by MERCing, March 03, 2012, 12:58:15 AM

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MERCing

I haven't been able to find much info on polishing chokes.
Rhino advertises theirs as being polished to remove any tooling marks and prevent plastic build-up and this is supposed to help with shot to shot consistency.

Lenghtening/polishing the forceing cones in bbl's is a common modification.
Choke tubes have a forceing cone as well.  Some are one abrupt transition, other are staged or stepped.

Has anybody here experimented with polishing chokes ? Maybe a side by side comparison of the same type chokes and the results. 

I've tinkered a little with two different types. A ported and a non-ported. I have a stock one of each to compare with the slightly modified ones.  All I polished was the forceing cone area so far. On the non-ported, it seemed to change it's preference from Hevishot # 5 to # 6's.  The stock one still prefers # 5's with my bbl.  With the ported one, the patterns have opened up some.
My next step is to seriously polish both chokes(same process as in polishing bbl's) and compare them again to the stock ones. Limited testing so far so I really can't comment on the results with the exception of the change in shot size preference. 

Of the 15+ Turkey type choke tubes that I have, almost all them have some tooling marks on the inside. I assumed the manufacturer left them in this condition to create resistance to aid in stripping the wad.

Curious to hear if anyone here has experimented with this idea.
   

Philippe

I have lightly polished some of my chokes just to get out the left over machining oils and residue out or to take out heavy scuffs adter shootin them a few times, but i have never used the same process i use when i do barrels.

golfernash

Ttt

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albrubacker

#3
Was just thinking about the same thing tonight while cleaning my barrel. As as I was done came to do a search, I searched force cone and found this and three other threads. May need to try it on mine
The addiction will cost you time and money and alienate those close to you. I can give you the names of a dozen addicts — myself included — whose wives begin to get their hackles up a week before turkey season starts and stay mad until a week after it closes.

—Charlie Elliott

msgobblergetter

I have always heard that you should not highly polish a choke, just lightly polish and clean.  Seems to me that if you polish a choke to mirror finish like bore polishing, the choke may not slow the wad as much as it was intended.  I can understand light polishing to remove tool marks or scoring, but not to mirror finish.

ILIKEHEVI-13

If a choke is shooting good, I myself would leave it alone. 

goblr77

The bleuing was wearing off the inside of my 835 Stardot from shooting and running cleaning brushes through it. It was streaked pretty bad and feeling rough. After I finished polishing my barrel I screwed it in and hit it with a pass or two, just enough to take all the blueing out. It actually helped the choke. I shot the best pattern I've ever had with that choke last weekend.

pullit

I dont polish my chokes, just the barrel

albrubacker

Quote from: goblr77 on March 14, 2012, 08:44:45 AM
The bleuing was wearing off the inside of my 835 Stardot from shooting and running cleaning brushes through it. It was streaked pretty bad and feeling rough. After I finished polishing my barrel I screwed it in and hit it with a pass or two, just enough to take all the blueing out. It actually helped the choke. I shot the best pattern I've ever had with that choke last weekend.
Same thing is happening to my ported carlson.
The addiction will cost you time and money and alienate those close to you. I can give you the names of a dozen addicts — myself included — whose wives begin to get their hackles up a week before turkey season starts and stay mad until a week after it closes.

—Charlie Elliott