casper50
(.400 member)
01/08/17 07:35 AM
Took the 1892 to the range.

Load was 42 grains IMR 3031, winchester large rifle primer and a Woodleigh 270 grn. Anyone have an idea why it would keyhol at 50yds?





deeangeo
(.300 member)
01/08/17 07:54 AM
Re: Took the 1892 to the range.

Just guessing, propellant load unable to stabilise bullet?
Bullet weight/twist?
Any damage to muzzle crown?
No idea other than the above!
Good luck.


Sarg
(.400 member)
01/08/17 09:57 AM
Re: Took the 1892 to the range.

Thats a bugger, my 375EX does to but with the Hornady 270gr & the Woodies are ok, on mine I think the rifling is worn a bit, be pleased to hear it could be some thing else ?

Huvius
(.416 member)
01/08/17 01:24 PM
Re: Took the 1892 to the range.

How does the barrel look in general?
Is there any decent rifling even down toward the muzzle end?
Any pressure signs - cycling or primers? Not expecting there would be, just wondering.
Your powder is a little faster than what Wright lists in his book but your charge is a little lighter too so seems it should be in the ballpark.


wjw
(.275 member)
01/08/17 02:35 PM
Re: Took the 1892 to the range.

Is your bullet diameter slightly small for your barrel? Have had this happen in both .38 and .40 cal. single shots from the late 1800's as well as the .280 Ross. Slightly larger diameter bullets made the keyholes disappear.

Bill


50Calshtr
(.300 member)
04/08/17 05:43 AM
Re: Took the 1892 to the range.

Had the same results with my 303 Watson Bros 1892 using .312 diameter bullets. Now using .314 dia and the keyholeing was cured.
Best.


casper50
(.400 member)
04/08/17 06:06 AM
Re: Took the 1892 to the range.

I'm going to slug it this weekend.


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