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Old 04-07-2019, 06:25 AM
Mickbr

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deepest penetrating 22LR ammunition



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I was doing some tests on water jugs and found some standard lead round nose outpenetrating various high velocity hollowpoints, which would probably make sense. Anyone know or have done tests on the the most penetrating 22LR ammunition through water, gel or similar soft media? Purely for general interest I am not looking to take a 22LR on a buffalo hunt
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Old 04-07-2019, 08:41 AM
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I don't know for sure, but I would think Aguila 60 grain sss. You need a faster twist barrel for these though. Shooting at a mud dirt bank at 85 yards I could hear that they were hitting harder than anything else I was shooting.
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Old 04-07-2019, 09:06 AM
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Quote:
Originally Posted by trumph View Post
I don't know for sure, but I would think Aguila 60 grain sss. You need a faster twist barrel for these though.
Yup, the 60 grn is prone to tumble out of the standard 22rf barrel.

A hyper velocity rn right behind the shoulder would probably be best for lethality on the cape buffalo. That or aim for the nose when its facing head on.
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Old 04-07-2019, 09:16 AM
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I would go for the eye or ear with a CCI Velocitor .
I would think a 40 g. MiniMag would do pretty good through water jugs .
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Old 04-07-2019, 05:29 PM
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I would bet a Remington Viper would do rather well.

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Old 04-07-2019, 07:11 PM
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No testing done on my part, but I'd guess the Aguila 22 Interceptor solid point as it's the fastest rated 40-grain round at 1,470 FPS. Some ammo might beat it at the muzzle, but I believe it has more energy at 100 yards (113 ft/pounds) than any other 22LR.
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Old 04-07-2019, 07:45 PM
David Valdina
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Aguila 60 gr. w/barrel 1:8 twist

I had a gunsmith put a 1:8 twist barrel liner in a Remington 521T rifle. It shoots the 60 gr. Aguila .22 ammo just fine. I forget the cost, but it wasn't much. Ask around to get quotes. I think Brownell had the liner. Good luck.
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Old 04-07-2019, 08:53 PM
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I put a Green Mountain fast twist (I think 1 in 9) barrel on my Magnum Research 10/22. It'll put 10 shots into a nickel At 50 yards, no key holes. These 60 grainers aren't going very fast, but hey hit hard.
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Old 04-08-2019, 04:31 AM
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The Aguila 22LR 60 grain Sniper Subsonics have 120 ft/pounds at the muzzle and 96 at 100 yards versus Aguila 22LR Supermaximum solid points which have 192 ft/pounds at the muzzle and 113 at 100 yards.
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Old 04-08-2019, 05:48 AM
David Valdina
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What makes for penetration...

What makes for penetration is a combination of sectional density, velocity and the makeup of the bullet. Velocity and energy alone is a poor predictor. The .220 Swift at about 4,000 fps having a typical bullet will expend almost all of it's energy on the surface, seldom penetrating to where the killing happens in a large animal. Very low velocity but very high sectional density and a hard point will out perform most everything. Example, an arrow. The only thing against the 60 gr. Aguila sss is that it is a hollow point and soft. Even so, having 50% more weight and very high sectional density compared with 40 gr. bullet, will out penetrate every thing else that I have experimented with.

Gun writers for years have been enamored with high velocity. It gives impressive energy levels and these writers love to talk about superlatives. But energy figures mean very little. And what ever they mean needs to be taken in along with other factors. Having a large meplat for example increases killing power. So you can have a .38 Special at 850 fps with a round nose lead bullet and the same with a wad cutter of the same weight, and the wad cutter will be far more effective at killing than the round nose bullet.
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Old 04-08-2019, 07:55 AM
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The Aguila 60 grain sss I have are round nose, not hollow point. Maybe they make both, I don't know. I don't know anything about the science of it. I just know when you shoot a mud bank you can definitely hear the difference on impact! Either one would do a number on whatever you hit.
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Old 04-08-2019, 08:16 AM
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Quote:
Originally Posted by billmeek View Post
The Aguila 22LR 60 grain Sniper Subsonics have 120 ft/pounds at the muzzle and 96 at 100 yards versus Aguila 22LR Supermaximum solid points which have 192 ft/pounds at the muzzle and 113 at 100 yards.
Yes - and it is worth remembering that the formula for kinetic energy is E = 0.5*Mass*(Speed squared)

Or, if you double the speed, the energy increases by a factor of 4. A heavier projectile at lower speed will have to work much harder to equal the energy of a smaller, faster projectile.
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Old 04-08-2019, 11:43 AM
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Have you tried the CCI small game bullet?
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Old 04-08-2019, 03:50 PM
Mickbr

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Quote:
Originally Posted by David Valdina View Post
What makes for penetration is a combination of sectional density, velocity and the makeup of the bullet. Velocity and energy alone is a poor predictor. The .220 Swift at about 4,000 fps having a typical bullet will expend almost all of it's energy on the surface, seldom penetrating to where the killing happens in a large animal. Very low velocity but very high sectional density and a hard point will out perform most everything. Example, an arrow. The only thing against the 60 gr. Aguila sss is that it is a hollow point and soft. Even so, having 50% more weight and very high sectional density compared with 40 gr. bullet, will out penetrate every thing else that I have experimented with.

Gun writers for years have been enamored with high velocity. It gives impressive energy levels and these writers love to talk about superlatives. But energy figures mean very little. And what ever they mean needs to be taken in along with other factors. Having a large meplat for example increases killing power. So you can have a .38 Special at 850 fps with a round nose lead bullet and the same with a wad cutter of the same weight, and the wad cutter will be far more effective at killing than the round nose bullet.
Its an interesting subject I find.
The target media is also important. Arrows as you say penetrate well on flesh/fluid but pull up badly on bone. A 223 with steel core outpenetrates a 308 with steel core on steel. However the 308 will beat cinder blocks more easily.

Also twist rate makes a difference relative to the bullets. Tests with big game guns show tighter twists with the same calibre/solid bullet combo penetrate further.

This is why I was wondering if anyone has done any tests with 22LR rounds as trying to go off the figures may not equate to real world. I might buy some aguila and others and post some results.
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Old 04-08-2019, 03:58 PM
David Valdina
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Hollow point of solid ?

Now I don't really remember if the 60 gr. Aguila sss ammo I have is hollow point or solid. It is up North where the rifle is. I know I bought some of the ammo when it was new on the market, a million years ago. And I bought some more recently. I guess I need to get back the Cape to find out. 77 year old memory cells mostly work, but I don't get as dogmatic about what I remember any more, having been proven wrong more in recent years.
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