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No-holdover range of Hornady 325-grain FTXs
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Those of you who shoot, or have shot, Hornady's 325-grain 45-70 Marlin LeverEvolution ammunition or higher end reloads with this bullet, please describe its mid-range trajectory or its no-holdover range - that is, ± 4 inches vertically from point of aim - at [fill in the blank] yards.

I ask, having invested a substantial amount of money for Savage Model 99s and beaucoup spare parts to create elk lever actions capable of doing the job at 225 yards, I realized that I may be able to achieve the effective range I want, for elk and mule deer hunting, with my Marlins. This frees up a huge number of dollars for me.

What I'm trying to do is work around needing/wanting a different rifle-cartridge combination. Were the 1895s unable to meet my eastern Montana range stipulation, I'll stay with Savage M99s. They are wonderful machines. But they require [their] purchase (done), parts purchase (done), new dies, different powder, Nosler Partition flat base bullets, bullet mold (for practice and fun shooting), brass. When I do the math, the cost of having 99s is severe - especially when compared with the cost of a few hundred bullets. . . . I can always get at least my investment out of my 99 stuff.
***
I have downloaded Hornady's 45-70 and 450 Marlin 325-grain FTX handloading data (and LeverEvolution factory data) for Marlin 1985s. It shows 450 Marlin bullet being propelled significantly faster than the same bullet from a comparable 45-70. On its face, this makes little sense to me.

Anyone who has safely loaded his 45-70 FTXs to emulate 450 Marlin exterior ballistics, please identify loads that do the job.
***
As I write, my 1895s shoot only my LFN GC 420-425 grain cast bullets, using standard primers and IMR 3031 and H322 in Starline brass. These combine to several combinations that have a ± 4-inch range of 150 yards. This is fine for Lolo but insufficient for eastern Montana.


It's so simple to be wise. Just think of something stupid to say and then don't say it. Sam Levinson
 
Posts: 1520 | Location: Seeley Lake | Registered: 21 November 2007Reply With Quote
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Picture of Mike_Dettorre
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Not really sure of the question you are asking but this data may help you...

a 45-70 is likely to push that bullet in the range of 1700 fps and a 450 marlin at 2200 fps based on the hornady website.

So taking the end points and the mid point of that range of velocities you get the following trajectories. The info below assumes a scope mounted 1.4 inches above the bore

1700 fps MV +4 @ 80, 0 @ 154, -4 @ 181
1950 fps MV +4 @ 97, 0 @ 172, -4 @ 203
2200 fps MV +4 @ 117, 0 @ 194, -4 @ 227


Hope that helps...


Mike

Legistine actu quod scripsi?

Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.




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.
 
Posts: 10164 | Location: Loving retirement in Boise, ID | Registered: 16 December 2003Reply With Quote
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Picture of Tyler Kemp
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Look at 350 grain Hornady data for a 45-70 on the Hodgdon website...you can get substantial velocity with H4198, well over 2000 fps.

I would extrapolate data from the 300 and 350 grain bullets.


Love shooting precision and long range. Big bores too!

Recent college grad, started a company called MK Machining where I'm developing a bullpup rifle chassis system.

 
Posts: 2598 | Location: Missouri | Registered: 29 March 2006Reply With Quote
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