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Joined: Jul 2005
Posts: 1,326
Campfire Regular
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OP
Campfire Regular
Joined: Jul 2005
Posts: 1,326 |
I recently acquired a S&W model 21. I plan on loading 250 Keith style bullets over 7.5g of unique. The bullets I ordered are sized to .431...I don't know why I did this. I am worried if they will shoot in my gun, if you hold them up to the cylinder they will not even slip through. I haven't loaded any yet.
Will they shoot safely if my barrel is actually .429, or are they too big??
I am new to this and I appreciate your guiadance and help.
“Always do sober what you said you'd do drunk. That will teach you to keep your mouth shut.”
― Ernest Hemingway
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Joined: Aug 2003
Posts: 5,737
Campfire Tracker
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Campfire Tracker
Joined: Aug 2003
Posts: 5,737 |
It's my experience that the cylinder throat diameter is more important then barrel diameter. This assumes that S&W matched the barrel to cylinder, .429 barrels to 44 Spec or 44 mag cylinders, etc.
The most accurate combination, that I've found, is for the cylinder throat to be 2/1000ths larger then the barrel diameter.
I shoot mostly, 45 Colt, in S&Ws. My cast lead bullets are sized .454 for the cylinder throats and the barrel is .452 or .451.
Your .431 bullets should do fine.
Jim
"Whensoever the General Government assumes undelegated powers, its acts are unauthoritative, void, and of no force." --Thomas Jefferson
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