150gr 270win data h4350

WhelanLad

WhelanLad

CGN Ultra frequent flyer
Rating - 0%
0   0   0
Location
Australia AU
in the ADI data, it says AR2209 which is H4350-- min 46grains and max 49 grains.,.................

To me this is not a full case of powder and might be quite mild??

can you guys give me some H4350 data for 150s? an maybe 130s while we are at it?


im not seeing any pressure signs on the primers at "max"..... an alot of case space.

im using a 150gr Hot cor at the moment
and rem 130gr SP , both with AR2209........ 82mm and 82.5mm coals.
 
Nosler Serria Speer hornady lyman all have data for said components check them all then do a average of what they list and start working up a load for your rifle
it's called load development
Everyone's results will be different
 
Data ranges from 46 grains to 51 grains depending on who it comes from.

I’d start at 47 grains and work up loads in 1/2 grain steps, while monitoring accuracy, velocity and case head expansion.

FWIW: H4350 (AR2209) isn’t the best choice of powder for this combination…. I’d try some H4831sc (AR2213sc) instead.
 
im loading 48gr right now an its accurate!!
but im unsure now, i will conitnue to use 4350 , but looks like 2213sc might be better for heavier, but using fair bit more powder to do so!
 
struff55 said:
Nosler Serria Speer hornady lyman all have data for said components check them all then do a average of what they list and start working up a load for your rifle
it's called load development
Everyone's results will be different
Click to expand...
well i am loading from ADI data- in a form of Field testing Loads developed....
i feel its quite watered down.
couldnt find any specific numbers online except google said 51-56 is more inline...... hence the posts Struffy.

typically, someone will say, use a Reloader powder instead.... or that N something will work better and im doing it wrong... LOL

someones, been there an done it.


48 is a long way from 55..........
 
Trying to get a fuller case usually equates to improved accuracy, as you remove/ reduce the powder position variable in the equation.

Mid to high 50’s of 2213sc (H4831) is a known sweet spot for 150’s…..

I’d steer clear of loads of 2209 (H4350) in the mid 50’s with this combination, sounds like a hot rodding endeavour.

My pet load for my Ruger #1 .270 (26”) with 150’s utilizes Ramshot Magnum and gets me in 2950-2975 fps range.

See my cow elk thread from last November.
https://www.canadiangunnutz.com/forum/threads/got-me-my-flat-top-elk.2548887/
 
A case stuffed full of H1000 will work as well. Can’t really get enough in without heavy compression to go over pressure. Most list around 59.0 grains and over 100% case capacity as max. But with what you’re using and if you have good accuracy nothing you shoot will know the difference. Before I knew the actual velocity from my first Chronograph, I used a IMR 4350 equivalent and 150gr Hornady Interlock with excellent results. Velocity wasn’t even 2700 fps but worked for Whitetail and Moose. 🤷🏻
 
Peecos said:
A case stuffed full of H1000 will work as well. Can’t really get enough in without heavy compression to go over pressure. Most list around 59.0 grains and over 100% case capacity as max. But with what you’re using and if you have good accuracy nothing you shoot will know the difference. Before I knew the actual velocity from my first Chronograph, I used a IMR 4350 equivalent and 150gr Hornady Interlock with excellent results. Velocity wasn’t even 2700 fps but worked for Whitetail and Moose. 🤷🏻
Click to expand...
Yeah I agree with ya RE accuracy trumps velocity!
I don't wanna get the chrono out just yet 😂. Surely it (150) will be quicker than the 7-08 154gr load .....

I won't go h1000 or 4831 at this stage.


Thanks then Gents, it is what it is
 
So I didn't realise Speer data was online as it is, it's max is like 52gr of h4350!

So one day I'll work it up a bit for sure!

Thanks again
 
That data is a bit on the light side, compared to what the cartridge case and rifle you have will handle in a consistent manner, safely.

That being said, the SGK is cutting edge, old school, tech, and should be treated accordingly, as mention by several folks above.

The positive thing about the tech is that the jackets during manufacture have had a bit of extra care taken to make sure thicknesses are consistent all the way around, and from one lot to the next

They're almost but not quite "match quality" jackets that are heavy enough to hold together under most hunting conditions.

I watched a fellow shoot a half dozen down range, and there wasn't a hole to be found anywhere on the 4x4 foot backing we had the target stapled to.

He was using them in a 270 Wby, and they were clocking 3370fps on my Garmin.

They were coming apart, before they reached the targets 200 yards away.

He was surprised, as was I, but knew enough not to chase velocities under such circumstances

He told me he was concerned he would be pushing the limits of the bullets while he was loading them.

We went back the next day to try out his new recipe. The velocities were around 2900fps, and the combination shot in less than 2 inches at 200yds. He was quite happy about the accuracy, but being a velocity freak, moaned and beoched about the drought of good components during Covid times.

I had to roll my eyes a bit, because this fellow had never taken a shot on game more than 150 yds away.
 
You must log in or register to reply here.
Back
Top Bottom