300 Blackout question

by stonewalrus, Tuesday, March 10, 2020, 20:05 (29 days ago)

Looking fo plinking ammo. I notice there is a lot out the that says open tip. What is the deal with that? I am leery of fmj. Is it any better? What is it good for?

why are you leery of FMJs?

by Rob Leahy ⌂ @, Prescott, Arizona, Tuesday, March 10, 2020, 22:36 (29 days ago) @ stonewalrus

Inquiring minds want to know! I have shot many thousands of them through my rifles...

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Of the Troops & For the Troops

Over penetration

by stonewalrus, Wednesday, March 11, 2020, 08:05 (28 days ago) @ Rob Leahy

Nm

Please Clarify... the 300 AAC was designed to use either

by Rob Leahy ⌂ @, Prescott, Arizona, Wednesday, March 11, 2020, 09:38 (28 days ago) @ stonewalrus

light expanding bullets for hunting or self defense or heavier expanding bullets for the same applications with a suppressor. the fmjs are practice loads.

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Of the Troops & For the Troops

Worried about sufficient backstop

by stonewalrus, Wednesday, March 11, 2020, 09:59 (28 days ago) @ Rob Leahy

Nm

Worried about sufficient backstop for plinking?

by Rob Leahy ⌂ @, Prescott, Arizona, Wednesday, March 11, 2020, 14:03 (28 days ago) @ stonewalrus

Find a better range. for self defense, use better ammo

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Of the Troops & For the Troops

Forget about the CZ

by Catoosa, Thursday, March 12, 2020, 09:55 (27 days ago) @ stonewalrus

Get the shop to find you one of the new Ruger LCP .22s. Get it, get three extra mags, a whole bunch of ammo, and shoot the bejabbers out of it. You will have a bunch of fun, get really good with both the .22 and the .380, and won't spend a whole pile of money in the process.

I'd get one myself but I'm busy doing the same thing with my Colt 1911-22 and Walther PPK/S.

Have been thinking about the LCP 22 - haven’t heard a bad

by stonewalrus, Thursday, March 12, 2020, 20:12 (27 days ago) @ Catoosa

Word about it. CZ May play out anyway - think they are hard to come by.

300 Blackout question

by Slow Hand ⌂ @, Indiana, Wednesday, March 11, 2020, 03:29 (28 days ago) @ stonewalrus

FMJ is generally plinking ammo. The stuff I’ve seen has been Mil Surp 147 gr bullets. I load all yen .3p0 blk and I either load 125 Speer TNT’s or Missouri Bullet Company coated, cast heavies; I think they are 245’s. Both are cheap enough to cover shooting. I’ve got a 25 yard zero with the 125’s that puts me dead on at 200 with my suppressed 8.5” sbr.

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https://facebook.com/M2bKydex/

300 Blackout question

by RidinLou, Middle TN, Monday, March 16, 2020, 14:20 (23 days ago) @ stonewalrus

As I remember and understand it, going back to the beginning, when it was a proprietary round the Jones 300 Whisper had one use.
A very heavy for caliber projectile traveling at subsonic velocities for specialized uses. These were called 300X221 in some uses due to legal issues.
Then folks found that it could utilize light (125 grains or so) bullets to provide for a hunting cartridge in the AR and Contender.
Proprietary cartridges can not obtain SAMMI acceptance so the dimensions were finalized and the Blackout came about.

125 NBTs for speed and hunting along with some 150s, heavy 180 and above for the fun and working loads.

Look on a ballistics program on the performance of a heavy projectile 30 caliber bullet (240 gr) moseying along at 1100 fps or so. Think this is a hint for the original design purpose.
Plink and play with cheap FMJs and then use it for hunting with NBTs or comparable activities.
I could be wrong, but the NBTs may still give you a little too much penetration for social occasions.
Anyone ever test it with 110 gr. RNSPs?

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