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Posted: 7/30/2022 5:26:37 PM EDT
16 or 20 inch barrel, i have both
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TMK has a bigher BC and should travel more accurately further than SMK.
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I saw the MK262 Mod 1 next to the M193 and thought, "How do they get enough powder in the case to achieve significant velocity?
I was quite surprised to see 2800 fps. |
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I believe the third ( and by far most relevant ) type is the tan box military load.
Those are hard to find but pop up on GB on occasion. |
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Quoted: I believe the third ( and by far most relevant ) type is the tan box military load. View Quote The red box is the exact same thing, made on the exact same line as the rounds that go to the military. The rounds in the red box go through all of Black Hills internal testing, they just don't go through the military's lot acceptance testing. ... |
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Quoted: The red box is the exact same thing, made on the exact same line as the rounds that go to the military. The rounds in the red box go through all of Black Hills internal testing, they just don't go through the military's lot acceptance testing. ... View Quote View All Quotes View All Quotes Quoted: Quoted: I believe the third ( and by far most relevant ) type is the tan box military load. The red box is the exact same thing, made on the exact same line as the rounds that go to the military. The rounds in the red box go through all of Black Hills internal testing, they just don't go through the military's lot acceptance testing. ... The issued tan box has higher velocity. Can’t speak to all those other metrics though. |
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Wish I would've bought some 77TMK back when it was available. Couldn't pull the trigger at $1+ per round
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Quoted: I have not seen it anywhere in about a year. View Quote View All Quotes View All Quotes Quoted: Quoted: Is 77gr TMK still unobtainium? I have not seen it anywhere in about a year. I had an order for BH 77gr TMK, placed on a site (can't even recall which site) since 2020. Sometime this Spring, they contacted me and said, "That order you placed? We're getting a small batch in. Are you still interested? Price has gone up ($75 or $77/box of 50 IIRC)." They did ship it. It's the only time I've been able to get any since ~2019. |
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Quoted: TMK has a bigher BC and should travel more accurately further than SMK. View Quote Yes. It’s not crazy different, but will save you several inches of wind drift at 600 yards with 10mph full value wind. The bigger benefit, is it has a much lower velocity threshold for fragmentation than SMK. This effectively gives you 2-3x the range for reliable fragmentation. But it’s worse for barrier penetration. Though, if you think you may need to penetrate barriers, then a bonded bullet or a solid copper is a better option anyway. |
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The newer lots of the 5.56 TMK have been loaded progressively with a shorter and shorter OAL over the years and the accuracy has gone down along with the increased jump in my rifles with each newer, shorter lot. It is still the best stuff around and I have about ten boxes of it in the safe spread over 5 lots.
It only gets released once per year from what I have noticed. I buy 4 or 5 boxes when it comes out each year, regardless of price. But for my precision needs, I load the 77 TMK to max length in Lapua brass, with CCI primers and 8208 XBR powder at about the same velocity. I reserve the Black Hills for duty/defensive use ammo. |
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Molon since Blackhills is not available how does IMI 77gr compare ? IMI 77gr is available at least. Not cheep though.
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Note that the Tipped Matchking hollow point can underpenetrate at close range when fired from a 20” barrel. It’s excellent in a 16” barrel.
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In my opinion, the TMK is the king of the hill for modern 5.56 ammunition and it isn't even close. Check out the ongoing thread on Rokslide if you require proof of results.
It's been posted numerous times on this site, but the recipe for 1:7" TMK accuracy is: Good brass Consistent primer Book max or slightly over charge of 8208XBR 77gr TMK seated to 2.25-2.26" If that load doesn't shoot very well in your rifle it's probably operator error. |
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TMK is about as obtainable as a Unicorn Fart.. Sierra told me that they are not making it because they are focused on making hunting ammo. And I was scratching my head like what did that have to do with anything as they where not available long before the start of hunting season..
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Quoted: TMK is about as obtainable as a Unicorn Fart.. Sierra told me that they are not making it because they are focused on making hunting ammo. And I was scratching my head like what did that have to do with anything as they where not available long before the start of hunting season.. View Quote That's odd... I wonder what might be the reason to focus on hunting ammo? Most of the hunters I know of only shoot 2 rounds a year (one to check zero and the other for their deer) out of a box of hunting ammo they bought 20 years ago. Not that I'm any better lately... I have two 50 round boxes of the Black Hills 77gr. TMK and I'm holding on to it since it seems like it's discontinued at this point. |
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Quoted: In my opinion, the TMK is the king of the hill for modern 5.56 ammunition and it isn't even close. Check out the ongoing thread on Rokslide if you require proof of results. It's been posted numerous times on this site, but the recipe for 1:7" TMK accuracy is: Good brass Consistent primer Book max or slightly over charge of 8208XBR 77gr TMK seated to 2.25-2.26" If that load doesn't shoot very well in your rifle it's probably operator error. View Quote Is there a link to the rokslide thread, or a clue how to find it? If that's kosher for the rules? |
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Quoted: Is there a link to the rokslide thread, or a clue how to find it? If that's kosher for the rules? View Quote View All Quotes View All Quotes Quoted: Quoted: In my opinion, the TMK is the king of the hill for modern 5.56 ammunition and it isn't even close. Check out the ongoing thread on Rokslide if you require proof of results. It's been posted numerous times on this site, but the recipe for 1:7" TMK accuracy is: Good brass Consistent primer Book max or slightly over charge of 8208XBR 77gr TMK seated to 2.25-2.26" If that load doesn't shoot very well in your rifle it's probably operator error. Is there a link to the rokslide thread, or a clue how to find it? If that's kosher for the rules? https://www.rokslide.com/forums/threads/223-for-bear-deer-elk-and-moose.130488/ |
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