Winchester 100 .243 barrel twist

J

jonesie

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Hello,

Cant seem to find what barrel twist was for the .243 version. I believe it might be a 1:10 twist based on other era Winchester rifles in the same caliber.

Anyone know for sure what the twist rate is? I want to do up a load for this rifle but dont want to waste $$$ on doing a bullet/load it wont stabilize.

Cheers
 
It is fairly easy to determine the twist with a tight patch and a quality cleaning rod, some masking tape and a ruler.

Consider it a 10 twist. It will not handle bullets heavier than the old style 100 grain. The magazine is fairly short too.
 
SAAMI spec for the cartridge is 1:10. Considering its a Winchester cartridge design I can't imagine they would be deviating from that in their own rifles, and factory ammo was available in 100gr options back in the day (just as it is now).
 
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