Grouping solids with softs - How close is close enough?

13 March 2011, 06:39

Today I went out and shot my 375 H&H trying to find a solid load that would group near my 300 grain TSX loads to use for Cape Buffalo this June in Zimbabwe.

The middle target is where my 300 grain TSX load groups (1/2" high at 100 yards) the top left group is a three shot group using the 300 grain Barnes flat point solids. The other groups are using the 270 grain Barnes FP solids. Ignore the 22 holes, I was testing my scope on my 10/22.

Here's a close up of the 300 g FP solids group. It looks like about .2" or .3" but I can't measure it precisely enough. It shoots about 1" higher and 1/2" to the left of my TSX load.

How close do I have to get the solids to hit to the POI of my TSX loads?

Frank

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What I have learned on AR, since 2001:
1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken.
2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps.
3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges.
4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down.
5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine.
6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle.
7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions.
8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA.
9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not.
10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact.
11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores.
12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence.
13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances.

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Graybird

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14 March 2011, 04:07

Larry Sellers

I have a CZ 550FS in 9.3 X 62 and a Sako .375 H & H that both will shoot groups of solids and softs to within less than an inch of each other using Barnes TSX and Barnes solids. Just a slight tweak of the loads brought these two combinations together in both rifles.

Also Nosler partitions in the 9.3 group to the exact same POA as the Barnes. Maybe I am just picky, but with a little effort if you handload this shouldn't be something you can't accomplish as well.

Larry Sellers
SCI Life Member