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#6905341 - 10/01/17 09:59 PM Rifle crowns
DLALLDER Online   content
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Registered: 11/23/05
Posts: 3150
Loc: Pittsburg, Texas
What are the advantage of an eleven degree crown over a stepped crown?
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#6905413 - 10/02/17 02:58 AM Re: Rifle crowns [Re: DLALLDER]
P_102 Online   content
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Registered: 09/23/08
Posts: 1014
Loc: Grapevine
The target crown allows for a more 'resistance free' release of the gases so that effect on the bullet is minimized. Whether this makes much difference in most shooting situations I wouldn't know, I've seen plenty of very accurate rifles with stepped crowns. P_102
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#6905594 - 10/02/17 08:38 AM Re: Rifle crowns [Re: DLALLDER]
Judd Offline


Registered: 01/22/09
Posts: 11440
Loc: Sachse, TX
Doesn’t matter, get what you prefer and like the look of. It’s basically if you draw a good barrel or not. I like the stepped look.
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#6906183 - 10/02/17 03:31 PM Re: Rifle crowns [Re: DLALLDER]
DLALLDER Online   content
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Registered: 11/23/05
Posts: 3150
Loc: Pittsburg, Texas
Do bench rest shooters use a certain style of crown? How about long distance shooters?
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#6906219 - 10/02/17 03:53 PM Re: Rifle crowns [Re: DLALLDER]
P_102 Online   content
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Registered: 09/23/08
Posts: 1014
Loc: Grapevine
Judd shoots bench rest and is very good, as stated above he prefers stepped crowns. I believe I've seen stepped crowns on 1 or 2 of Chads rifles but that's going from memory. P_102
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#6906253 - 10/02/17 04:08 PM Re: Rifle crowns [Re: DLALLDER]
dee Offline
THF Trophy Hunter

Registered: 04/10/10
Posts: 5081
Loc: Red River way
I've got 11° and stepped neither is better than the other.
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#6906384 - 10/02/17 05:42 PM Re: Rifle crowns [Re: DLALLDER]
Toxarch Offline
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Registered: 03/09/11
Posts: 1835
Loc: Parker County
Not sure that any are better. The main thing is making sure that inside edge (the actual crown) does not become damaged. The stepped crown can help prevent the crown from getting damaged. Some say the step can create turbulence that could affect the bullet.
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#6906692 - 10/02/17 08:42 PM Re: Rifle crowns [Re: Toxarch]
kmon1 Offline
junior

Registered: 09/27/06
Posts: 22395
Loc: Texas
Originally Posted By: Toxarch
Not sure that any are better. The main thing is making sure that inside edge (the actual crown) does not become damaged. The stepped crown can help prevent the crown from getting damaged. Some say the step can create turbulence that could affect the bullet.


Not sure which is better, have both and both do well. As long as the crown is milled square and clean then it will shoot if not damaged.
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#6906794 - 10/02/17 09:50 PM Re: Rifle crowns [Re: DLALLDER]
MacDaddy21 Offline
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Registered: 08/19/11
Posts: 2152
Loc: CO
FWIW, the proper term for a "stepped" crown is recessed crown...

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#6906797 - 10/02/17 09:52 PM Re: Rifle crowns [Re: DLALLDER]
SapperTitan Online   content
Taking Requests

Registered: 11/17/10
Posts: 22820
Loc: Killeen/Ft Hood, TX
I don't know the answer to this question but whatever crown Morgan put on my barrels I had him thread have definitely increased accuracy.
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#6906827 - 10/02/17 10:28 PM Re: Rifle crowns [Re: DLALLDER]
MClark Offline
Bird Dog

Registered: 10/09/15
Posts: 250
Loc: Arizona
The stepped crown can be an 11 degree crown. The step is to protect the crown.
I always use an 11 degree because Lester Bruno said he uses it.
Some try to improve accuracy by using sandpaper to "clean it up ". Don't do that.

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#6907087 - 10/03/17 08:48 AM Re: Rifle crowns [Re: DLALLDER]
DLALLDER Online   content
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Registered: 11/23/05
Posts: 3150
Loc: Pittsburg, Texas
Never seen a stepped (recessed) 11 degree crown.
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#6907120 - 10/03/17 09:04 AM Re: Rifle crowns [Re: DLALLDER]
Kevin1 Offline
Tracker

Registered: 04/06/11
Posts: 599
Loc: Allen Tx
The best crown I've seen is.....on my custom 22lr.
I took the rifle to Scott Weichel at live Oak Accuracy and he cut a new crown on this Shilen Ratchet 0.850” straight contour.

I don't remember how he calls it and it will cost a little more than other shops; but the execution, shape and the mirror polish are just perfect. Here's some pics.



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#6907126 - 10/03/17 09:08 AM Re: Rifle crowns [Re: DLALLDER]
kmon1 Offline
junior

Registered: 09/27/06
Posts: 22395
Loc: Texas
Have that same crown from Scott on the 6.5 Grendel he built for me. Very good work
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#6907270 - 10/03/17 10:40 AM Re: Rifle crowns [Re: DLALLDER]
FiremanJG Online   content
THF Celebrity

Registered: 12/16/08
Posts: 22046
Loc: Wolfe City, TX
All of mine have an 11°.

They're a bit easier to clean carbon out of than recessed.
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