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240 cobra load data

Based on 220 Swift brass it's kind of a return to the 6mm Lee Navy, with improvements.

Ackley liked it. See p.301 in Vol. 1 of his Handbook for Shooters & Reloaders. Some data.

Ken Waters was less impressed except maybe for nostalgia's sake in Wolfe's Wildcat Cartridges Vol. 1 p36. No real data in this one. This may be the article from Handloader #105 p.10.

There's a fairly in depth article in Wolfe's Wildcat Cartridges Vol. 2 starting on p.215. More data.

Maybe someone can scan these for you. I'm too lo-tech.
 
Cobra, improved Swift Case. Hottest Loads equal Moderate-warm 243 performance from memory. Go easy as the Cobra's attitude was very hot loads which I would shy away from.
 

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