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Shooting & Reloading - Mausers, Big Bores and others >> Rifles

Tatume
.400 member

Reged: 09/06/07
Posts: 1091
Loc: Gloucester, Va USA

Re: Remington goof up 30 AR ballistics???
22/05/09 12:45 AM

Hmmm. At 2800 fps I would consider the speed too fast for most 125 gr bullets to hold together on shots under 100 yards. If the magazine would hold them, I would prefer to load 150 gr bullets at 2500 fps. If the cartridge will make 2800 fps with a 125 gr bullet, it should make 2500 with a 150.

On the other hand, 2150 fps would limit shots on deer to about 100 yards. The ideal muzzle velocity for a 30 cal, 125 gr bullet would be about 2400 fps. The Nosler Ballistic Tip would retain 1000 ft lbs to 150 yards, and give some expansion to about 250 yards. Also, at this speed, the Ballistic Tip sighted in two inches high at 100 yards would be about two inches low at 200 yards. Other 125 gr bullets are too hard at these low speeds, or too blunt (30-30 bullets) to retain velocity at more than 100 yards.

--------------------
Take care, Tom
NRA Life Member

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Subject	Posted by	Posted on
Remington goof up 30 AR ballistics???	500grains	22/05/09 12:16 AM
Re: Remington goof up 30 AR ballistics???	Tatume	22/05/09 12:45 AM
Re: Remington goof up 30 AR ballistics???	9.3x57	22/05/09 01:01 AM
Re: Remington goof up 30 AR ballistics???	DarylS	22/05/09 04:19 AM
Re: Remington goof up 30 AR ballistics???	crusty	22/05/09 08:34 AM
Re: Remington goof up 30 AR ballistics???	Tatume	22/05/09 09:22 AM

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