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Shooting & Reloading - Mausers, Big Bores and others >> Muzzleloaders & Blackpowder
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xausa
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Reged: 07/03/07
Posts: 2037
Loc: Tennessee, USA
New .62 caliber Jaeger
      #143197 - 06/10/09 02:41 AM

I just picked up my long awaited .62 caliber Jaeger from the maker yesterday. I see round ball molds offered in both .600" and 610", and would appreciate comments on the pros and cons of both in this caliber.

I have never hunted with a flintlock before and would also appreciate comments on what I can expect in the hunting field.

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szihn
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Reged: 24/06/07
Posts: 2121
Loc: United States
Re: New .62 caliber Jaeger [Re: xausa]
      #143206 - 06/10/09 06:39 AM

Tell us about the rifle. What barrel was used in the build?
I can advise if I know some details. Share some pics.
Happy hunting.

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xausa
.400 member


Reged: 07/03/07
Posts: 2037
Loc: Tennessee, USA
Re: New .62 caliber Jaeger [Re: szihn]
      #143208 - 06/10/09 08:39 AM

The barrel is a Colerain. I'll try to post pictures later.

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szihn
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Posts: 2121
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Re: New .62 caliber Jaeger [Re: xausa]
      #143229 - 06/10/09 03:31 PM

I have a Colorain 62 cal barrel in my Transitional rifle.
I use 140 gr of 3F in mine with a .600 ball and a Wal-Mart 100% cotton ticking patch lubed with Natural Lube 1000+
I get very good accuracy and I have killed a lot of game with it.

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DarylSModerator
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Reged: 10/08/05
Posts: 26992
Loc: Beautiful British Columbia, Ca...
Re: New .62 caliber Jaeger [Re: szihn]
      #143246 - 07/10/09 02:29 AM

Way to go, xausa - ML's are great fun, for target and for hutning. The jaeger is one of the very best designs for a hunting rifle.

If a true .62, I'd be using a .615" ball, .610" at the smallest.
Once the ball becomes .010" smaller than the bore, accuracy does decline as you go smaller yet. The larger bores are a bit more forgiving in this nature, than smaller bores are. My bro uses a .595" ball in his .60 Jaeger, a .495" in his .50 Virginia, and I, a .684" ball in my .69, .395" and .400" in my .40, .445" in the .45, for example - all with the same 10 oz. denim or thicker patching.
Thankfully, animals have large X rings and smaller balls can work - however, thickness and integrity of the patching becomes critical with heavier loads as pressure builds. The higher the pressure, the tighter the conbination has to be.
When working with nromal .020" to .025" patching, a ball that is no more than .010" smaller than the bore will usually be found best. We use 10 ounce denim, about .0215" to .022" for balls that are .005" smaller than the bore - with excellent results on the range and hunting.

Weak ball/patch combinations are the reason some guys have to wipe their bores often, or even between shots, just to load.

Smooth & radius the muzzle's crown with emery underneath your thumb, and use a descent ball/patch combination. Cleaning the bore is for after all the shooting is over.

Here's the muzzle of my 14 bore, showing the 'crown'. This allows me to easily load the .684" ball with a 12 ounce denim patch. That patch runs .025" measured with a mic. and .031" measured with calipers. I use mink oil for hunting and spit or water based lube for target shooting and plinking. My powder charge for hunting is 6 drams 2F.
Note the smooth, almost polished crown- there are no sharp edges to push lead ahead of the seating process. The ball swages into the bore, for a tight fit. I've shot then picked up and shot again and again, 5 shot groups using the very same patch for each shot and still achieved the rifle's best accuracy, which is 1.2" to 1.5" for 5 at 100 meters off the bags- and using only the rifle's express sights.

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xausa
.400 member


Reged: 07/03/07
Posts: 2037
Loc: Tennessee, USA
Re: New .62 caliber Jaeger [Re: szihn]
      #143248 - 07/10/09 03:24 AM

Steve,

Are you relying on the heavy load of powder to cause the ball to "set up" to a tight fit in the rifling?

I know soft lead bullets do this to some extent, but I'm not sure at what point in the velocity/acceleration scale this becomes a factor.

Do you have any idea what velocity your suggested load produces?

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DarylSModerator
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Reged: 10/08/05
Posts: 26992
Loc: Beautiful British Columbia, Ca...
Re: New .62 caliber Jaeger [Re: xausa]
      #143306 - 08/10/09 01:52 AM

Round balls do very little, if any slugging in the bore, of that I am certain. This is due somewhat to the cloth patch, round base and easy fit with low enertia.
With heavy loads, when I drop the thickness of the patch even a few thou, I start to get burnt patches, which shows very little or no obturation (slugging up).

--------------------
Daryl


"a gun without hammers is like a Spaniel without ears" King George V

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