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22-243 Win

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Old 12-24-2002, 09:43 PM
Silver Member
Join Date: Dec 2002
Location: Bridgeville, PA
Posts: 127
Re: 22-243 Win

It a 243 Win. necked down to 22 cal.

The body of the 22-243 Middlestead dimensions remain the same as the 22-243 Winchester, but the shoulder angle is increased to 30 degrees, thus resulting in a longer neck (0.300 inch vs. 0.241 inch). The standard .243 Win has a sholder angle of 20 degrees.

Velocity: 3510fps with JLK 80 45 gr.RL 25

75gr. A-maxes I have not tried as of yet.I plan on trying them.

[ 12-24-2002: Message edited by: mbianchini ]
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Old 12-29-2002, 11:36 AM
Platinum Member
Join Date: Dec 2001
Location: Long Island, New York
Posts: 2,124
Re: 22-243 Win

I have shot a number of groundhogs with my 40X in 22-243AI. 28" Hart bbl. w/ 8 twist.
Hornady 75gr A-MAX bullets with a stiff charge of RE22 shoot extremely well and have a muzzle velocity of 3,668 ft/sec.
The 80gr JLK's would not shoot as well in my rifle. The Hornady's have a lower BC (.435)than the JLK's but can be shot at a higher velocity. They hit hard over long distances.
Hornady rates this bullet for a max velocity of 2,800 ft/sec but if you call them they will tell you that it will usually hold together to about 3,300 ft/sec.
I moly coat & wax the A-MAX's before loading them with a .007" crush fit. This probably is why these bullets have held together for me at much higher speeds than they are built for. [img]images/icons/shocked.gif[/img] [img]images/icons/shocked.gif[/img] [img]images/icons/shocked.gif[/img]
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Old 12-29-2002, 03:32 PM
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Join Date: Dec 2002
Location: Bridgeville, PA
Posts: 127
Re: 22-243 Win

Varmint Hunter
Have you tried RL-25 in your 22-243 Ackley?
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