Black Hills 5.56mm 77 gr TMK and 69 gr TMK Review

[nightchief]

On Thursday, I shot several different factory match loads through the LaRue Stealth barrel at 100 yards to check accuracy. Black Hills 556 77 gr TMK results were better this time...

Attachment 45183

...and Black Hills 556 69 gr TMK's were ok...

Attachment 45186

...however, still inferior to Hornady Match 75 223 gr OTM and Black Hills 556 77 gr OTM...

Attachment 45184Attachment 45185

Test was done shooting prone off a bipod with light wind at about 83 degrees. Interesting to me that the TMK's aren't doing better than the OTM loads. Perhaps the barrel just likes the OTM better.

[Pappabear]

We didn't do a complete study, but our impression was the TMK, cuts wind better and better ballistics, but the OTM's were grouped a little better. For a battle round, it's about a wash because either will get the job done. Good ammo.

PB

[tylerw02]

Barrels all have their own opinion. My SS410 Bravo barrel shoots 75 gr Hornady better with three powders. I'm finally getting acceptable accuracy from 77 gr SMKs with Varget, which won't run through a progressive press as consistently as a ball powder.


Sent from my iPhone using Tapatalk

[nightchief]

We didn't do a complete study, but our impression was the TMK, cuts wind better and better ballistics, but the OTM's were grouped a little better. For a battle round, it's about a wash because either will get the job done. Good ammo.

PB

I agree that at distance, the TKM's really shine, as they don't get blown around very much. Once I've found the correct hold over, I get consistent hits on the gong at 500 yards, even with windy conditions.

[Pappabear]

Barrels all have their own opinion. My SS410 Bravo barrel shoots 75 gr Hornady better with three powders. I'm finally getting acceptable accuracy from 77 gr SMKs with Varget, which won't run through a progressive press as consistently as a ball powder.


Sent from my iPhone using Tapatalk

We use H322, Russian primers with remarkable results. Our 77's Nosler and SMK AND TMK sub moa with multiple barrels.
Varget seems like a ruff way to go for 223 AMMO.

Let me know if you want load data, best of luck

PB

[tylerw02]

Sure I'd love to see it.

My current recipes for most of my rifles is TAC, CCI 450s and 7x gr bullets of whichever flavor.


Sent from my iPhone using Tapatalk

[opngrnd]

Sure I'd love to see it.

My current recipes for most of my rifles is TAC, CCI 450s and 7x gr bullets of whichever flavor.


Sent from my iPhone using Tapatalk

PappaBear's load info has worked well for me with SMKs, TMKs, and 75gr BTHPs. Their 69gr SMK load has also worked well in every rifle I've ever used it in.

What is your TAC load?

[tylerw02]

I would have to look it up but I want to say it's 23.8.


Sent from my iPhone using Tapatalk

[markm]

Our goal for tomorrow it so get a confirmed 1300 yard hit with the 77 gr TMK. We've never had a NO DOUBT 1300 yard confirmed hit with anything under .308 due to the bullet running out of ass at that distance, but we're shooting that trial first thing in the morning.

[B52U]

I would have to look it up but I want to say it's 23.8.


Sent from my iPhone using Tapatalk

This is a money load for me with 77gr Noslers and CCI41s. 23.7 or 23.8gr of TAC works equally well. Very consistent sub-moa results in a 223 wylde Rainier arms 18" ultra-match.

Sent from my SPH-L720 using Tapatalk