Nosler E-tip bullets

curt672

curt672

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I have been loading and shooting 260 gr Accubond in my 375 for a plains game load. As I need more I see they have been out of stock for a while, So I decided to try the E-tip Nosler of the same weight but see a warning in there reloading data. Has anyone used these and can you explain the "Warning" thanks
 
They reach maximum load with less powder. You would need to start with (10% less powder I believe please double check that number). Work up from there.
 
well crap, I loaded some about 3% down and got thinking that may not have been enough.
 
Not the E-Tip or 375 specificly but I believe all mono metal/lead free bullets have a similar warning. They reach max pressures sooner than traditional bullets. E-Tips are basically Nosler copying Barnes bullets, you may be better starting with Barnes data for a TTSX.
 
Barnes used to say with the solid, non grooved early X bullets, to seat them at least .050" off the leade, ie: touching the rifling.
I'm not sure about the TSX grooved newer bullets, but I found with my 270gr.TSX loads in my .375/06IMP, .035" worked well. As there was no data that I could find for them, I just used my 9.3x62 data for starting loads. My .375 brass had identical case capacity as factory 9.3x72 fired in a Styer rifle at 78gr.
My 9.3x62 maximum loads were very close to max. in my .375/06IMP.
 
The proximity to the rifling is the important measurement. One aways starts loads with new bullets at the starting loads, doesn't one?
 
One fly in the pudding is -- there are so many starting loads and max loads out there -- Bullet manufacture have there's -- Hodgeon has there numbers and independents have there numbers.
 
Barnes manuals likely are the best source for mono-metal bullet loading data. Fairly sure that data is available on-line if you don't have their manuals.
Google barnes bullet loading data. I just did, works well.
 
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Nosler has data on their web site for their mono bullet of 260gr. already with the note to ALWAYS start with the starting loads. I see nothing there about seating depths
 
Not for my 375, but in my 7MM RM, I tried 150 gr E-tips and had pressure signs at the starting load by the Nosler manual.

I'd start 2-3 grains BELOW starting load and work up, Nothing to lose and you'll get more trigger time.

Good luck!
 
Daryl S said:
Barnes manuals likely are the best source for mono-metal bullet loading data. Fairly sure that data is available on-line if you don't have their manuals.
Google barnes bullet loading data. I just did, works well.
Click to expand...

Load Data

Find reloading guidelines and data for your Barnes Bullets products.
barnesbullets.com barnesbullets.com
 
Grey Fox. That could have easily been from having the ogive too close to the rifling.
With mono bullets, a jump to the rifling is vital. The bullets need to be moving before hitting the lands. On top of that, the entry angle ie:leade angle can also boost pressures if at quite an abrupt angle, like 4 to 6 degrees. Different mfg'rs will use different angles which may or may not be specified when the chambering reamers are purchased.
 
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Just did some research, as I read an article about finding the lands on your rifle-- well I couldn't find them lol, after some more detailed look see I got a response indicating that the 375 H&H, being developed in the area of cordite powder and the round nose bullet has a very long throat compared to more modern cartridges. So with that it seems that it is very tolerant of higher pressure loads without causing issues.
 
To find the over all length with a seated bullet,
1: close the bolt
2:shove a cleaning rod down the barrel to stop at the bolt.
3put a mark(felt pen) or piece of masking tape around the rod at the muzzle.
4:remove the rod
5open the bolt
6:with the muzzle pointed down, drop a bullet you are going to use into the chamber
7place the rifle level in a vice, on pillows or sand bags
8:shove a dowel or other cleaning rod that is smaller than the bullet nto the chamber to push the bullet into the leade of the rifling
9:shove the first cleaning rod with the mark or tape into the muzzle so the rod tip touches the bullet.
10: while pushing on the breach dowel or rod to hold the bullet against the lands, pit a mark on the muzzle's rod at the muzzle.
The distance between the marks is the overall loaded length of your loaded round with that bullet when touching the lands.
Subtracting .050" from that length would be the longest cartridge overall length with a mono bullet that did not have grooves, according to Barnes, about their earlier X bullets.
 
greyfox said:
Not for my 375, but in my 7MM RM, I tried 150 gr E-tips and had pressure signs at the starting load by the Nosler manual.

I'd start 2-3 grains BELOW starting load and work up, Nothing to lose and you'll get more trigger time.

Good luck!
Click to expand...
Going below a recommended starting load can be as dangerous or even more dangerous than an excessive load.

Excessive void space inside the case can produce a detonation rather than a controlled burn, as well as other potential issues.

Never go below the recommended starting charge weight.

Why are reduced loads potentially dangerous?

Explore the world of Nosler, renowned for crafting the finest bullets, ammunition, rifles, and brass. Discover our extensive lineup, including Partition, AccuBond, E-Tip, Ballistic Tip, Custom Competition, and more. Experience superior quality and performance with Nosler products.
www.nosler.com www.nosler.com

www.nrafamily.org

NRA Family | Ammunition Safety: Mysterious Detonation Phenomenon

What we do (and don't) know about this ammunition safety question.
www.nrafamily.org www.nrafamily.org

Reduced loads – Maybe you shouldn’t! – Florida Reloading

www.floridareloading.com www.floridareloading.com
 
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These detonations can happen with reduced loads using stick powders. IMR4320 and slower powders have had this catostrophic occurance. "Magnum" cartridges are more susceptible to detonations than standard cartridges.
 
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