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Best defensive rounds for 5.56 to stock

17,523 Views | 45 Replies | Last: 1 yr ago by schmellba99
NRH ag 10
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schmellba99 said:

NRH ag 10 said:

SMM48 said:

no offense, but real world says copper 70gr and 62gr tsx is devastating.




Compared to what and in what way?
Dude, the TTSX and TSX are pretty well known for their very consistent expansion/mushrooming and weight retention and performance on all kinds of game from pigs to large game like elk. The performance begins to drop off when you start getting below ~1800fps velocities. The tip doesn't expand well the lower you get, which is pretty universal to most HP projos across the board.

Correct, and it leads to narrow wounds compared to bullets that fragment and do not retain all of their weight.

I'm not a huge fan of the all copper, but I readily admit that Barnes does probably the best job when it comes to consistency and performance out of their all copper projectiles.

Fragmenting upon impact isn't all that great IMO, because while it looks really awesome in ballistic gel slow motion, the fact of the matter is that when a projectile fragments, it looses mass and those little fragments rarely penetrate deep (5"-6" generally in ballistic gelatin), so they end up doing very little in terms of terminal ballistic performance.

Interesting, I've found fragmenting to work well for creating the largest wound possible for a given caliber. The fragments turn a temporary stretch cavity into a permanent tear, where a copper bullet that does not fragment or yaw may or may not cause tearing within the temporary stretch cavity depending on the elasticity of the tissue being affected. This is the opposite of what you state for ballistic gel, where a non fragmenting design looks great, but the temporary stretch cavity isn't necessarily a valuable wounding mechanism despite looking cool when dye is poured into it.

In short, things hit in the chest cavity with TMKs/ELDMs/Bergers die very, very quickly.


Where fragmenting projectiles shine is when you need or want as little penetration through barriers as possible, which is why TAP and Varmageddon type projectiles are about as ideal as you can get for using an AR as a defensive weapon indoors - most of the time after I believ e 2 layers of drywall they generally have lost most of their punch and the lethality of the round goes way, way down.

There are definitely different levels to it, and a varmint bullet works very differently than a TMK or ELDM, which work a bit differently than a Berger.



Outside the scope of this conversation, but fragmenting designs can work very well, even through barriers.

6.5 cm 147gr ELDM through steel:



and through auto glass:




IIRC you have said you mainly use SSTs for hunting, right? If so, it would seem you're a big fan of the exact same performance I also enjoy.
SMM48
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barrier blind. hits like a mofo. like Schmellba99 says, its well known.

Same Gun as before. 12inch LMT. Huxwrx 556flow.

Barnes 70gr Tsx. Pick up about 200-250 fps. Barnes loads them hot


About 1800fps is the expansion point.

1800 out of a 12inch barrel gets you out to about
350yds


For hogs. Normal range is 100 and in.

For self defense like the op asked for. It's got no problem operating at self defense range

The point is. If it's traveling at 2500 fps. Really anything smk. Tmk. Barnes. M193….is gonna mess someone up.
jrb2019
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SMM48 said:



The point is. If it's traveling at 2500 fps. Really anything smk. Tmk. Barnes. M193….is gonna mess someone up.


Agree 100%. And most people would be far better served spending the money/time on training/practice and actually becoming proficient. Shot placement, quickly and under stress is likely far more important than the "best bullet conversation" (see the hog down by 22 thread).

It's like watching someone shoot 77gr and struggle to make hits offhand at 75yds, but listen to them talk about how it shoots sub moa at 500yds…if you can't hit where you intend, the rest of the conversation is irrelevant.
NRH ag 10
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SMM48 said:

barrier blind. hits like a mofo. like Schmellba99 says, its well known.

It will have a smaller wound channel than TMK/ELDM in every situation short of going through a car windshield first.

Same Gun as before. 12inch LMT. Huxwrx 556flow.

Barnes 70gr Tsx. Pick up about 200-250 fps. Barnes loads them hot


About 1800fps is the expansion point.

Very impressive expansion at 1800fps! (I know the tipped designs are much better.)



1800 out of a 12inch barrel gets you out to about
350yds

So less than a bullet loaded to like velocities with a higher BC?


For hogs. Normal range is 100 and in.

For self defense like the op asked for. It's got no problem operating at self defense range

The point is. If it's traveling at 2500 fps. Really anything smk. Tmk. Barnes. M193….is gonna mess someone up.

Well yeah, we're already well down the path to focusing on stuff that's like the last .5% of what matters after having gun, getting access to gun, and knowing how to use it. Since we're here, does a bullet being better at shooting through windshields, but having a smaller wound channel and more over penetration risk in every other situation matter to you?
SMM48
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Wrong caliber. Wrong grain.

We are talking 5.56 and in an attempt at gotcha. Posts a totally unrelated caliber and grain.

Dont listen to this guy op.

There is no doubt Tmk is a great round. Have 2000 rounds of it. But telling op to stock up at 1.60 a round right now, and really only available loaded from 2 or 3 vendors, doesn't actually make sense.

For what the op wanted. Smk 77gr available at .90 cents a round is a great place to start

Actually just ordered 500 more Tmk.
ShouldastayedataTm
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jrb2019 said:

SMM48 said:



The point is. If it's traveling at 2500 fps. Really anything smk. Tmk. Barnes. M193….is gonna mess someone up.


Agree 100%. And most people would be far better served spending the money/time on training/practice and actually becoming proficient. Shot placement, quickly and under stress is likely far more important than the "best bullet conversation" (see the hog down by 22 thread).

It's like watching someone shoot 77gr and struggle to make hits offhand at 75yds, but listen to them talk about how it shoots sub moa at 500yds…if you can't hit where you intend, the rest of the conversation is irrelevant.


Agree with you there and the FMJ training ammo I stockpiled has been very handy through 4 different multiday courses, several one day classes and many many trips to the range. Which is why I feel confident enough to ask about specific defensive ammo that I know is more expensive, but now I can test different types in my gun and be confident it works or if it is not and is just not me unable to hit with a round designed for sub moa at 500 yards. I have only been in the hobby for going on 5 years, but have spent much more on training classes and multiday courses than I care to admit. They are my vacations.
Keep up the discussions gentlemen I am always up for more learning.
jmm
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Big fan of Hornady 55 grain soft point. As my SWAT buddy says, a .223 soft point is " one and done".

I have shot a lot of impala/antelope in Africa and many whitetail culls with the Hornady and it works.
SMM48
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arguably the best defensive round period.

https://www.bonefroggunclub.com/products/556-62gr-federal-tactical-bonded-xm556sbct3
08N.Ftw.Ag
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Hornady black 75gr interlock is devastating on hogs and drilling through thin steel plate.
NRH ag 10
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SMM48 said:

Wrong caliber. Wrong grain.

We are talking 5.56 and in an attempt at gotcha. Posts a totally unrelated caliber and grain.

Dont listen to this guy op.

There is no doubt Tmk is a great round. Have 2000 rounds of it. But telling op to stock up at 1.60 a round right now, and really only available loaded from 2 or 3 vendors, doesn't actually make sense.

For what the op wanted. Smk 77gr available at .90 cents a round is a great place to start

Actually just ordered 500 more Tmk.


It was the only tsx photo I could find that had a clearly labeled 1800fps impact velocity, but I'm sure 70gr has magic copper that somehow lets it look totally different than the photo I posted. Have a good weekend.
schmellba99
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NRH ag 10 said:

IIRC you have said you mainly use SSTs for hunting, right? If so, it would seem you're a big fan of the exact same performance I also enjoy.


I shoot SST out of my Grendel because it was the best group, and because it performs well on game. I ha ent gotten arou d to seeing if yhe TTSX projos group as well or not yet. If they do, i will definitely use both.

Compared to TTSX, i can tell you that there is no discernable difference in how it performs on game in my experience.

I am not saying that fragmebting rounds dont work, they obviously do. Only that there is no one size fits all round for every situation. There is always a compromise.

The only thing to not compromise on is reliability and ability to put rounds where they need to be.
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