Quickload Question

[HeathSexton]

I started working with the 220 Speer in my 358 Win and I found a load that shoots really good and while I have not chrono'd it yet that shoulder test shows good speed also.

Ruger Hawkeye 358 Win 22" barrel

WW Brass
WLR Primer
Speer 220 .358" FP
IMR 3031 - 47.5grs


No weird signs, heavy bolt, shiny spots, etc.....am I on thin ice?


Thanks

 

[RiverRider]

Looks safe and sedate to me, Heath.

Cartridge          : .358 Win.
Bullet             : .358, 220, Speer FP 2439
Useable Case Capaci: 50.276 grain H2O = 3.264 cm³
Cartridge O.A.L. L6: 2.780 inch = 70.61 mm
Barrel Length      : 22.0 inch = 558.8 mm
Powder             : IMR 3031

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-20.0   88    38.00   2063    2078   27752   5554     93.9    1.468
-18.0   90    38.95   2113    2181   29593   5708     94.9    1.429
-16.0   92    39.90   2163    2285   31561   5854     95.9    1.390
-14.0   94    40.85   2213    2392   33666   5992     96.7    1.352
-12.0   96    41.80   2263    2501   35920   6120     97.5    1.315
-10.0   99    42.75   2312    2611   38334   6238     98.1    1.279
-08.0  101    43.70   2361    2724   40921   6346     98.7    1.242
-06.0  103    44.65   2410    2838   43697   6442     99.1    1.206
-04.0  105    45.60   2459    2954   46679   6527     99.5    1.172
-02.0  107    46.55   2508    3072   49884   6599     99.8    1.138
+00.0  110    47.50   2556    3191   53336   6659     99.9    1.107  ! Near Maximum !
+02.0  112    48.45   2603    3311   57055   6707    100.0    1.076  ! Near Maximum !
+04.0  114    49.40   2651    3432   61068   6745    100.0    1.046  !DANGEROUS LOAD-DO NOT USE!
+06.0  116    50.35   2697    3555   65408   6780    100.0    1.017  !DANGEROUS LOAD-DO NOT USE!
+08.0  118    51.30   2744    3678   70103   6813    100.0    0.990  !DANGEROUS LOAD-DO NOT USE!
+10.0  121    52.25   2790    3803   75196   6844    100.0    0.963  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba    110    47.50   2656    3447   65580   6308    100.0    1.028  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    110    47.50   2403    2822   42868   6764     96.2    1.212

 

[HeathSexton]

Thanks a bunch!

 

[RiverRider]

Anytime bro.

 

[SJB358]

How is case compression Heath? Is it pretty easy to get it all in there?

 

[HeathSexton]

It's pretty full but it's not terrible. After some light taps I don't get any crunchy crunch when seating. I have an old Speer manual that shows 49grs as max, no clue how you would get 49grs in there honestly.


It's been hovering right around 1" @ 120yds and it really seems to be spitting them out. If it would ever stop raining I'm going to throw a couple across the screens to see what fps I'm getting.

 

[SJB358]

That seems like excellent speed for that 220 Speer. I've neglected my 358 quite a lot. Might have to look at trying your load out. I've got a slew of the 220's.

 

[truck driver]

Heath just curious, have you tried a drop tube to settle the powder? it seems to stack tighter in the case when you use a drop tube for loads that are filling up the case.

 

[HeathSexton]

Nope no drop tube.

I pour in a funnel so that the powder swirls it's way in, then I give it a few quick snaps with my finger on the base and seat right to the middle of the cannalure.


I neglect my 358 Win a lot and I don't know why. It doesn't shoot anything bad, shoots most combos really good, handles well and makes critters leak important fluids in large amounts for the short distances they travel.

 

[SJB358]

I neglect my 358 Win a lot and I don't know why. It doesn't shoot anything bad, shoots most combos really good, handles well and makes critters leak important fluids in large amounts for the short distances they travel.

That's exactly the same MO my 358 exhibits. Just kills stuff dead and does it with alot of blood and not too much recoil either...

Dang, now I feel ashamed I haven't even shot mine in a year or more..

 

[DrMike]

The .358 Win tends to be accurate in most rifles. The cartridge is not difficult to load, and it is a powerhouse to the limit of its range. It qualifies as one of my favourite cartridges.

 

[HeathSexton]

I don't shoot my 358 Win much either, no clue why. The last few rifle deer I have killed have been with smaller cals so I made this the year of 35 and up, so I've taken 2 different 35 Rem, my 358 Win and my 45/70 to the field. The deer have made this the year of you won't see a buck to shoot so that has been a problem.