I have a blaser R93 9.3x62 Max SAAMI OCL is 3.290 according to my reloading books. at .030 from the lands I am OCL 3.450. fits the magazine fine, bullet is seated deep enough. with 58 gr of RL 15 is runs 286 nosler partition at 2300-2318 fps. My question. Is there a formula to determine how much more powder can be used to take advantage of the extra case capacity for increased velocity?

Simplest is get someone to run QL for you. Another option is calculate the volume of the bullet dia times increase in oal. Take that new volume as a percentage of the old and adjust your loads accordingly. then start LOW AND WORK UP!!!!!!!!!!!

Is your load as stated using 3.29 or 3.45?

3.45 running some hornady 286 .030 off the lands with the same load and was getting just over 2400 fps and was hoping to do the same with the noslers. Probably won't make much difference out to 200 yards, just tinkering around till I get to go hunting. who can do Quickload for me?

 Cartridge          : 9.3 x 62
Bullet             : .366, 286, Hornady SP RP Interlock 3560
Useable Case Capaci: 71.074 grain H2O = 4.615 cm³
Cartridge O.A.L. L6: 3.450 inch = 87.63 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Alliant Reloder-15

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   71    46.40   1945    2402   27274   6153     92.8    1.755
-18.0   73    47.56   1989    2512   28876   6332     93.8    1.712
-16.0   74    48.72   2033    2624   30567   6505     94.6    1.670
-14.0   76    49.88   2076    2738   32350   6673     95.5    1.629
-12.0   78    51.04   2120    2854   34229   6834     96.2    1.590
-10.0   80    52.20   2163    2972   36209   6989     96.9    1.551
-08.0   81    53.36   2206    3091   38295   7137     97.5    1.511
-06.0   83    54.52   2249    3212   40494   7278     98.0    1.472
-04.0   85    55.68   2292    3335   42810   7411     98.5    1.435
-02.0   87    56.84   2334    3460   45252   7536     98.9    1.398
+00.0   89    58.00   2376    3585   47825   7652     99.3    1.363
+02.0   90    59.16   2418    3712   50537   7760     99.6    1.329  ! Near Maximum !
+04.0   92    60.32   2459    3841   53397   7858     99.8    1.297  ! Near Maximum !
+06.0   94    61.48   2500    3970   56415   7947     99.9    1.266  !DANGEROUS LOAD-DO NOT USE!
+08.0   96    62.64   2541    4100   59599   8026    100.0    1.236  !DANGEROUS LOAD-DO NOT USE!
+10.0   97    63.80   2581    4232   62962   8095    100.0    1.206  !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     89    58.00   2470    3874   56512   7393    100.0    1.271  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     89    58.00   2244    3199   39361   7569     94.7    1.485

Cartridge          : 9.3 x 62
Bullet             : .366, 286, Nosler PART SP 44750
Useable Case Capaci: 68.275 grain H2O = 4.433 cm³
Cartridge O.A.L. L6: 3.450 inch = 87.63 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Alliant Reloder-15

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   74    46.40   1974    2475   28821   6121     93.4    1.716
-18.0   76    47.56   2019    2589   30566   6294     94.3    1.673
-16.0   77    48.72   2064    2705   32411   6461     95.2    1.631
-14.0   79    49.88   2108    2823   34360   6623     95.9    1.590
-12.0   81    51.04   2153    2943   36419   6777     96.7    1.550
-10.0   83    52.20   2197    3065   38594   6925     97.3    1.508
-08.0   85    53.36   2241    3189   40891   7065     97.9    1.468
-06.0   87    54.52   2284    3314   43318   7197     98.4    1.430
-04.0   88    55.68   2328    3441   45882   7321     98.8    1.392
-02.0   90    56.84   2371    3570   48592   7436     99.2    1.357  ! Near Maximum !
+00.0   92    58.00   2414    3700   51457   7542     99.5    1.322  ! Near Maximum !
+02.0   94    59.16   2456    3831   54487   7639     99.7    1.289  ! Near Maximum !
+04.0   96    60.32   2498    3964   57692   7726     99.9    1.257  !DANGEROUS LOAD-DO NOT USE!
+06.0   98    61.48   2540    4098   61085   7802    100.0    1.226  !DANGEROUS LOAD-DO NOT USE!
+08.0  100    62.64   2582    4233   64679   7869    100.0    1.196  !DANGEROUS LOAD-DO NOT USE!
+10.0  101    63.80   2623    4369   68488   7931    100.0    1.167  !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     92    58.00   2506    3987   60907   7259    100.0    1.234  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     92    58.00   2283    3309   42251   7507     95.3    1.439

I didn't know your barrel length. Plus RL15 varies so I would call the results close to what you are getting.

Thank you. does "lot to lot" mean different cans of powder? Or each powder charge from the same can of powder? I always start over with a new can of powder and us a chrony to work up loads. Also, I wonder why my loads are faster with the hornadys, and quickloads are faster with the noslers?

My barrel is 22", looks like I can be happy with what I am getting as both loads are very accurate

Lot to lot means different batch. Two cans could be the same lot or different. They will have a number on them. Usually small differences between bullets is starting pressure. QL has a number that can be over ruled but I'm not smart enough. Plus the Nosler is longer might change pressure curve etc.

Cartridge          : 9.3 x 62
Bullet             : .366, 286, Nosler PART SP 44750
Useable Case Capaci: 68.275 grain H2O = 4.433 cm³
Cartridge O.A.L. L6: 3.450 inch = 87.63 mm
Barrel Length      : 22.0 inch = 558.8 mm
Powder             : Alliant Reloder-15

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   74    46.40   1931    2367   28821   6733     92.4    1.631
-18.0   76    47.56   1975    2477   30566   6931     93.4    1.589
-16.0   77    48.72   2020    2590   32411   7124     94.3    1.549
-14.0   79    49.88   2064    2705   34360   7310     95.2    1.510
-12.0   81    51.04   2108    2822   36419   7490     96.0    1.472
-10.0   83    52.20   2152    2941   38594   7662     96.7    1.431
-08.0   85    53.36   2196    3062   40891   7826     97.3    1.393
-06.0   87    54.52   2240    3185   43318   7982     97.9    1.356
-04.0   88    55.68   2283    3310   45882   8129     98.4    1.320
-02.0   90    56.84   2326    3436   48592   8267     98.8    1.286  ! Near Maximum !
+00.0   92    58.00   2369    3564   51457   8395     99.2    1.253  ! Near Maximum !
+02.0   94    59.16   2412    3694   54487   8512     99.5    1.221  ! Near Maximum !
+04.0   96    60.32   2454    3825   57692   8620     99.7    1.190  !DANGEROUS LOAD-DO NOT USE!
+06.0   98    61.48   2496    3957   61085   8716     99.9    1.160  !DANGEROUS LOAD-DO NOT USE!
+08.0  100    62.64   2538    4090   64679   8801    100.0    1.131  !DANGEROUS LOAD-DO NOT USE!
+10.0  101    63.80   2579    4225   68488   8874    100.0    1.103  !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     92    58.00   2464    3855   60907   8117    100.0    1.167  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     92    58.00   2236    3175   42251   8290     94.6    1.365
Cartridge          : 9.3 x 62
Bullet             : .366, 286, Hornady SP RP Interlock 3560
Useable Case Capaci: 71.074 grain H2O = 4.615 cm³
Cartridge O.A.L. L6: 3.450 inch = 87.63 mm
Barrel Length      : 22.0 inch = 558.8 mm
Powder             : Alliant Reloder-15

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   71    46.40   1900    2293   27274   6763     91.8    1.669
-18.0   73    47.56   1944    2400   28876   6967     92.8    1.627
-16.0   74    48.72   1988    2509   30567   7166     93.8    1.587
-14.0   76    49.88   2031    2619   32350   7359     94.6    1.548
-12.0   78    51.04   2074    2732   34229   7546     95.5    1.510
-10.0   80    52.20   2117    2847   36209   7726     96.2    1.474
-08.0   81    53.36   2160    2964   38295   7899     96.9    1.434
-06.0   83    54.52   2203    3082   40494   8064     97.5    1.397
-04.0   85    55.68   2246    3202   42810   8221     98.0    1.361
-02.0   87    56.84   2288    3324   45252   8370     98.5    1.326
+00.0   89    58.00   2330    3448   47825   8509     98.9    1.292
+02.0   90    59.16   2372    3572   50537   8639     99.3    1.260  ! Near Maximum !
+04.0   92    60.32   2413    3699   53397   8759     99.5    1.229  ! Near Maximum !
+06.0   94    61.48   2455    3826   56415   8868     99.8    1.198  !DANGEROUS LOAD-DO NOT USE!
+08.0   96    62.64   2496    3955   59599   8967     99.9    1.169  !DANGEROUS LOAD-DO NOT USE!
+10.0   97    63.80   2536    4085   62962   9055    100.0    1.141  !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     89    58.00   2427    3740   56512   8266    100.0    1.203  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     89    58.00   2196    3064   39361   8351     93.9    1.410


Cartridge          : 9.3 x 62
Bullet             : .366, 286, Hornady SP RP Interlock 3560
Useable Case Capaci: 71.074 grain H2O = 4.615 cm³

If you buy powder a 1# at a time match the numbers. On the powder I use the most I always buy in 5# cans (bottles)

For me, and I build and shoot a lot of 9.3s, the beauty of the 9.3 is that you don't need to quibble over a few FPS; it already has plenty of power no matter how fast the bullet is going, once you get to 2200 fps or so. So, I wouldn't worry about gaining anything; and Quick load is not the end all either; it is only a rough guide; too many factors in rifles make them all react differently. Only way to be sure is work up loads, and shoot your rifle, and see.

quote:

Quick load is not the end all either

Nope simply another set of data.

Thanks guys, gonna hunt with the partitions at 2300fps, practice with the hornadys. will report back when I return from Romania in Jan. hopefully with a few photos of dead boar.

An accurate load at 2300 beats one that you question at 2450

Trust me, the boar won't know the difference in a couple of hundred fps. That is the forte of the 9.3; it does not depend on velocity to work.

In my LH Win 70 22" 9.3 X 62 never could top 2400 FPS
with accuracy and without signs of pressure, with 286 GR NP. With Ram Shot Big Game great accuracy, no excessive pressure. At 2520 FPS with 286 Gr NP. Still use RL 15 with 250 gr bullet.

My long throated, 26 inch Lothar Walthar barrel, long magazine Mauser 9.3x62 will max but safe with 60 grs. of RL-15 and push a 286 gr. Nosler to 2520 FPS, 10 shot average, taking out the high and low round. real Max is 62 grs. and that's a hot load..I built this rifle to shoot the 320 gr. Woodliehs and 300 gr. Swifts on buffalo,and I get a tad over 2400 with that big long bullet with the Woodleigs and 2500 FPS with the Swifts. It kills buffalo about like a .375 H&H as far as I can tell...

I have decided the 9.3x62 performs at its best with a long tube, and you certainly need the long tube for that bullet otherwise your better off with a 286 gr. bullets.

I believe a DGR in 9.3x62 needs more velocity than 2200 FPS on Buffalo or any of Africas big DG animals, and would prefer at least 2400 on bear and such..

With Re 15 & Varget you should be safe with a velocity of 2450 fps - quite easily with plenty of safety buffer with that long throat.

Just load up more powder until you get to that velocity. Just make sure you do not use that load in any other rifles or give the ammo to a friend!

thanks for the input guys. It shoots good (accurate) where it is, so I'm gonna quit fussing with it. Would probably stick to my 375 for DG any way if I ever go again.