So i have found some success with the 90 TNT. My question to the group is what has everyones experience been with length and jump? Are they finicky?
90gr TNT
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Love the Speer 90 TNT. You can't beat a $0.18 projectile for plinking and varmits that shoots 1 MOA. Have a load worked up with H335 at 30 GR 2.200 COAL Hornady Brass CCI 450. Shot this load from 12", 16", & 18" and hovered around 1 MOA in all three. It is a less than max load according to Speer by 2.0 Grains. I will be working up a H322 load for my 16" this summer.
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Originally posted by Letmwork View PostSo i have found some success with the 90 TNT. My question to the group is what has everyones experience been with length and jump? Are they finicky?
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I did very little load development with my Moscow Match TNT load. I almost immediately found a charge and COAL. Based on my experience and what I've read from the Hoard it seems like it's an easy bullet to load.
Speer_MM_.jpgPaul Peloquin
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Originally posted by biodsl View PostI did very little load development with my Moscow Match TNT load. I almost immediately found a charge and COAL. Based on my experience and what I've read from the Hoard it seems like it's an easy bullet to load.
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That was using the factory powder IIRC, yes?
I have several boxes of the projectiles I picked up cheap off another forum and a few cases of the Wolf steel to do the same thing. Hoping to find a decent load for my 18" and wood chucks.
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Originally posted by 65GbySeven View PostLove the Speer 90 TNT. You can't beat a $0.18 projectile for plinking and varmits that shoots 1 MOA. Have a load worked up with H335 at 30 GR 2.200 COAL Hornady Brass CCI 450. Shot this load from 12", 16", & 18" and hovered around 1 MOA in all three. It is a less than max load according to Speer by 2.0 Grains. I will be working up a H322 load for my 16" this summer.Last edited by Harpoon1; 03-02-2020, 08:46 PM.
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In my experience this is by far the most forgiving bullet in Grendel. I have gone through three barrels so far, and most loads of all the other bullets I've tried, most of the time are 2 MOA or worse. Some, much worse. Yet with the TNT 90, it's typical for me to get 1 MOA 5 shot groups at 200 yards, with this bullet. It's a great little bullet. I don't know for sure, but I'm beginning to think that a more blunt-nose bullet like the TNT, is more forgiving to throat jump, than a more sleek pointy shaped bullet. Or more simply, better BC bullets, require better barrels to shoot. And the TNT 90 is the other end of that spectrum.4x P100
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Originally posted by 65GbySeven View PostLove the Speer 90 TNT. You can't beat a $0.18 projectile for plinking and varmits that shoots 1 MOA. Have a load worked up with H335 at 30 GR 2.200 COAL Hornady Brass CCI 450. Shot this load from 12", 16", & 18" and hovered around 1 MOA in all three. It is a less than max load according to Speer by 2.0 Grains. I will be working up a H322 load for my 16" this summer.
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