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Load data for .300 Rem. SA Ultra Mag + .308 | 165gr | Speer Grand Slam

Recommended Powder(s): Alliant Reloder-15, Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 60, SNPE Vectan SP 11

.300 Rem. SA Ultra Mag + .308 | 165gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Speer Grand Slam
Manufacturer SKU:
2038
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.080" | 27.4mm
Caliber:
.300 Rem. SA Ultra Mag load data
Case Length (l3):
2.003" | 50.9mm
Cartridge Length (C.O.L.):
2.783" | 70.7mm
Seated Depth:
0.300" | 7.6mm
Shank Seated Depth:
0.300" | 7.6mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64107 psi | 4420 bar
LID:
LID_B6156_C373
Last updated:
2025-01-01

Load data for 218 loads in caliber .300 Rem. SA Ultra Mag with .308 | 165gr | Speer Grand Slam bullet and 109 powders such as Alliant Reloder-15, Alliant Reloder-17, Hodgdon CFE223, ReloadSwiss RS 60, SNPE Vectan SP 11. The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

  • No data yet

  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

    .

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Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
90%
63686
99%
**95
100%
ADI AR 2208
<<locked>>
96%
63092
98%
**66
100%
[ADI AR 2209]*
<<locked>>
97%
45252
71%
**49
93%
Accurate 2015
<<locked>>
87%
63396
99%
**64
100%
Accurate 2200
<<locked>>
89%
63846
100%
**63
100%
Accurate 2230
<<locked>>
84%
63454
99%
**30
100%
Accurate 2460
<<locked>>
84%
63715
99%
**30
100%
Accurate 2495
<<locked>>
89%
63077
98%
**23
100%
Accurate 2520
<<locked>>
88%
63382
99%
**56
100%
Accurate 2700
<<locked>>
96%
63106
98%
**13
98%
[Accurate 3100]*
<<locked>>
97%
37739
59%
**95
94%
Accurate 4064
<<locked>>
95%
63991
100%
**56
100%
Accurate 4350
<<locked>>
97%
52649
82%
**90
99%
Alliant AR-Comp
<<locked>>
88%
63353
99%
**97
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
63991
100%
**99
100%
Alliant Reloder-10x
<<locked>>
84%
63280
99%
**71
100%
Alliant Reloder-15 👍
<<locked>>
93%
63425
99%
**09
100%
Alliant Reloder-16
<<locked>>
97%
50401
79%
**94
99%
Alliant Reloder-17 👍
<<locked>>
97%
59770
93%
**51
100%
[Alliant Reloder-19]*
<<locked>>
97%
44150
69%
**40
93%
Alliant Reloder-23
<<locked>>
97%
36245
57%
**31
98%
Alliant Reloder-26
<<locked>>
97%
40016
62%
**76
97%
Baschieri & Pellagri 106
<<locked>>
83%
63788
99%
**28
100%
Baschieri & Pellagri 107
<<locked>>
90%
63585
99%
**12
100%
Hodgdon BL-C2
<<locked>>
88%
63556
99%
**99
100%
Hodgdon Benchmark
<<locked>>
88%
63396
99%
**10
100%
Hodgdon CFE223 👍
<<locked>>
93%
63367
99%
**45
100%
Hodgdon H322
<<locked>>
87%
63875
100%
**30
100%
Hodgdon H380
<<locked>>
94%
63440
99%
**99
100%
Hodgdon H414
<<locked>>
97%
61525
96%
**38
99%
Hodgdon H4350
<<locked>>
97%
48979
76%
**72
96%
Hodgdon Hybrid 100V
<<locked>>
97%
47036
73%
**72
100%
Hodgdon LVR
<<locked>>
97%
56507
88%
**46
99%
Hodgdon Superperformance
<<locked>>
97%
56971
89%
**92
98%
Hodgdon VARGET
<<locked>>
96%
63701
99%
**79
100%
Hodgdon TrailBoss
<<locked>>
97%
34098
53%
**26
100%
IMR 3031
<<locked>>
93%
63672
99%
**66
100%
IMR 4064
<<locked>>
96%
63222
99%
**56
100%
IMR 4166 Enduron
<<locked>>
97%
63440
99%
**49
99%
IMR 4198
<<locked>>
84%
63367
99%
**25
100%
IMR 4350
<<locked>>
97%
52214
81%
**22
97%
IMR 4451 Enduron
<<locked>>
97%
60930
95%
**43
98%
IMR 4831
<<locked>>
97%
44831
70%
**40
98%
IMR 4895
<<locked>>
93%
64107
100%
**28
100%
IMR 8208 XBR
<<locked>>
89%
63512
99%
**49
100%
Lovex D073.4
<<locked>>
83%
63556
99%
**23
100%
Lovex D073.5
<<locked>>
85%
64049
100%
**30
100%
Lovex D073.6
<<locked>>
90%
63382
99%
**56
100%
Lovex S060
<<locked>>
91%
63193
99%
**17
100%
Lovex S062
<<locked>>
94%
63686
99%
**63
100%
Lovex S065
<<locked>>
97%
56101
88%
**71
99%
Lovex S070
<<locked>>
97%
54012
84%
**64
98%
[Lovex S071]*
<<locked>>
97%
31241
49%
**41
91%
Norma 201
<<locked>>
91%
63483
99%
**49
100%
Norma 202
<<locked>>
91%
63831
100%
**43
100%
Norma 203B
<<locked>>
94%
63527
99%
**02
100%
Norma 204
<<locked>>
97%
52460
82%
**71
95%
[Norma MRP]*
<<locked>>
97%
40480
63%
**40
94%
Norma URP
<<locked>>
97%
51996
81%
**81
99%
Ramshot Big Game
<<locked>>
93%
63904
100%
**25
100%
Ramshot Hunter
<<locked>>
97%
50821
79%
**74
98%
Ramshot TAC
<<locked>>
89%
64034
100%
**82
100%
Ramshot Wild Boar
<<locked>>
89%
63730
99%
**95
100%
Ramshot X-Terminator
<<locked>>
87%
63860
100%
**49
100%
ReloadSwiss RS 14
<<locked>>
97%
34722
54%
**68
100%
ReloadSwiss RS 40
<<locked>>
85%
63933
100%
**40
100%
ReloadSwiss RS 50
<<locked>>
95%
63846
100%
**82
99%
ReloadSwiss RS 52
<<locked>>
93%
63019
98%
**22
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
57667
90%
**41
100%
ReloadSwiss RS 62
<<locked>>
97%
52895
83%
**27
99%
ReloadSwiss RS 70
<<locked>>
97%
51692
81%
**40
99%
Rottweil R 901
<<locked>>
89%
63672
99%
**20
100%
Rottweil R 902
<<locked>>
93%
63309
99%
**33
100%
Rottweil R 903
<<locked>>
97%
62613
98%
**76
100%
[Rottweil R 904]*
<<locked>>
97%
46905
73%
**36
92%
[Rottweil R 905]*
<<locked>>
97%
42728
67%
**13
93%
Rottweil R 907
<<locked>>
97%
58349
91%
**97
98%
SNPE Vectan SP 11 👍
<<locked>>
96%
63875
100%
**28
100%
SNPE Vectan SP 7
<<locked>>
89%
63846
100%
**72
100%
SNPE Vectan SP 9
<<locked>>
91%
63295
99%
**82
100%
SNPE Vectan Tubal 3000
<<locked>>
90%
63933
100%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
63425
99%
**48
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
56550
88%
**25
98%
Shooters World Long Rifle
<<locked>>
97%
56101
88%
**71
99%
Shooters World Match Rifle
<<locked>>
90%
63382
99%
**56
100%
Shooters World Precision
<<locked>>
94%
63686
99%
**63
100%
Shooters World Tactical Rifle
<<locked>>
83%
63396
99%
**13
100%
Somchem S321
<<locked>>
86%
63831
100%
**66
100%
Somchem S335
<<locked>>
91%
63440
99%
**64
100%
Somchem S341
<<locked>>
90%
64078
100%
**69
100%
Somchem S355
<<locked>>
97%
62236
97%
**69
100%
[Somchem S361]*
<<locked>>
97%
47761
75%
**17
92%
Somchem S365
<<locked>>
97%
46499
73%
**31
100%
[Somchem S385]*
<<locked>>
97%
43758
68%
**10
94%
Vihtavuori N130
<<locked>>
87%
63469
99%
**22
100%
Vihtavuori N133
<<locked>>
93%
63860
100%
**48
100%
Vihtavuori N135
<<locked>>
97%
59785
93%
**51
100%
Vihtavuori N140
<<locked>>
93%
63541
99%
**10
100%
Vihtavuori N150
<<locked>>
97%
53069
83%
**05
100%
Vihtavuori N160
<<locked>>
97%
57609
90%
**23
100%
Vihtavuori N530
<<locked>>
87%
63585
99%
**59
100%
Vihtavuori N540
<<locked>>
93%
63599
99%
**46
100%
Vihtavuori N550
<<locked>>
97%
57711
90%
**69
100%
Vihtavuori N555
<<locked>>
97%
39856
62%
**13
98%
Winchester 6.5 StaBALL
<<locked>>
97%
55056
86%
**67
100%
Winchester 748
<<locked>>
86%
63802
100%
**89
100%
Winchester 760
<<locked>>
97%
61525
96%
**38
99%
Winchester StaBALL HD
<<locked>>
97%
32460
51%
**05
97%
Winchester StaBALL Match
<<locked>>
84%
63092
98%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47529
74%
**49
99%
ADI AR 2208
<<locked>>
81%
40306
63%
**89
98%
[ADI AR 2209]*
<<locked>>
91%
38058
59%
**89
90%
Accurate 2015
<<locked>>
81%
53345
83%
**33
100%
Accurate 2200
<<locked>>
81%
49588
77%
**49
99%
Accurate 2230
<<locked>>
81%
56753
89%
**41
100%
Accurate 2460
<<locked>>
81%
56884
89%
**48
100%
Accurate 2495
<<locked>>
81%
49269
77%
**43
100%
Accurate 2520
<<locked>>
81%
49835
78%
**72
100%
[Accurate 2700]*
<<locked>>
81%
38580
60%
**03
92%
[Accurate 3100]*
<<locked>>
89%
28703
45%
**75
90%
Accurate 4064
<<locked>>
81%
41524
65%
**35
100%
[Accurate 4350]*
<<locked>>
81%
30545
48%
**41
94%
Alliant AR-Comp
<<locked>>
81%
50285
78%
**30
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
39798
62%
**12
99%
Alliant Reloder-10x
<<locked>>
81%
57580
90%
**02
100%
Alliant Reloder-15
<<locked>>
81%
43004
67%
**84
98%
[Alliant Reloder-16]*
<<locked>>
81%
31024
48%
**54
94%
Alliant Reloder-17
<<locked>>
81%
34592
54%
**82
97%
[Alliant Reloder-19]*
<<locked>>
91%
36782
57%
**75
90%
[Alliant Reloder-23]*
<<locked>>
83%
23525
37%
**38
90%
[Alliant Reloder-26]*
<<locked>>
87%
28297
44%
**41
90%
Baschieri & Pellagri 106
<<locked>>
81%
59263
92%
**76
100%
Baschieri & Pellagri 107
<<locked>>
81%
46775
73%
**46
99%
Hodgdon BL-C2
<<locked>>
81%
49617
77%
**02
100%
Hodgdon Benchmark
<<locked>>
81%
51416
80%
**40
100%
Hodgdon CFE223
<<locked>>
81%
41510
65%
**94
98%
Hodgdon H322
<<locked>>
81%
52678
82%
**85
100%
Hodgdon H380
<<locked>>
81%
40654
63%
**28
97%
[Hodgdon H414]*
<<locked>>
81%
35810
56%
**66
92%
[Hodgdon H4350]*
<<locked>>
85%
33721
53%
**48
90%
Hodgdon Hybrid 100V
<<locked>>
81%
28514
44%
**62
95%
[Hodgdon LVR]*
<<locked>>
81%
33663
53%
**03
94%
[Hodgdon Superperformance]*
<<locked>>
83%
34374
54%
**33
90%
Hodgdon VARGET
<<locked>>
81%
40089
63%
**85
98%
Hodgdon TrailBoss
<<locked>>
88%
30037
47%
**44
100%
IMR 3031
<<locked>>
81%
43627
68%
**80
100%
IMR 4064
<<locked>>
81%
39450
62%
**69
98%
[IMR 4166 Enduron]*
<<locked>>
81%
39479
62%
**33
94%
IMR 4198
<<locked>>
81%
57711
90%
**59
100%
[IMR 4350]*
<<locked>>
82%
33272
52%
**38
90%
[IMR 4451 Enduron]*
<<locked>>
81%
37376
58%
**16
93%
[IMR 4831]*
<<locked>>
81%
27093
42%
**29
92%
IMR 4895
<<locked>>
81%
44135
69%
**13
99%
IMR 8208 XBR
<<locked>>
81%
49661
77%
**53
100%
Lovex D073.4
<<locked>>
81%
58755
92%
**61
100%
Lovex D073.5
<<locked>>
81%
56579
88%
**35
100%
Lovex D073.6
<<locked>>
81%
46891
73%
**30
100%
Lovex S060
<<locked>>
81%
47355
74%
**80
99%
Lovex S062
<<locked>>
81%
42380
66%
**35
100%
[Lovex S065]*
<<locked>>
81%
34853
54%
**70
94%
[Lovex S070]*
<<locked>>
81%
32967
51%
**34
91%
[Lovex S071]*
<<locked>>
94%
28703
45%
**75
90%
Norma 201
<<locked>>
81%
46644
73%
**97
100%
Norma 202
<<locked>>
81%
46789
73%
**03
100%
Norma 203B
<<locked>>
81%
42525
66%
**74
99%
[Norma 204]*
<<locked>>
87%
37681
59%
**79
90%
[Norma MRP]*
<<locked>>
91%
33736
53%
**66
90%
[Norma URP]*
<<locked>>
81%
30966
48%
**48
94%
Ramshot Big Game
<<locked>>
81%
41989
66%
**84
99%
[Ramshot Hunter]*
<<locked>>
81%
30414
47%
**28
91%
Ramshot TAC
<<locked>>
81%
49705
78%
**59
98%
Ramshot Wild Boar
<<locked>>
81%
49008
76%
**79
100%
Ramshot X-Terminator
<<locked>>
81%
53432
83%
**99
100%
ReloadSwiss RS 14
<<locked>>
84%
28805
45%
**47
100%
ReloadSwiss RS 40
<<locked>>
81%
55579
87%
**28
100%
ReloadSwiss RS 50
<<locked>>
81%
41075
64%
**05
95%
ReloadSwiss RS 52
<<locked>>
81%
41495
65%
**84
100%
ReloadSwiss RS 60
<<locked>>
81%
33634
52%
**72
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
30443
47%
**57
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
30458
48%
**48
91%
Rottweil R 901
<<locked>>
81%
50357
79%
**36
100%
Rottweil R 902
<<locked>>
81%
44266
69%
**51
100%
Rottweil R 903
<<locked>>
81%
37463
58%
**66
98%
[Rottweil R 904]*
<<locked>>
92%
40596
63%
**12
90%
[Rottweil R 905]*
<<locked>>
92%
36535
57%
**79
90%
[Rottweil R 907]*
<<locked>>
81%
35940
56%
**80
92%
SNPE Vectan SP 11
<<locked>>
81%
38508
60%
**21
98%
SNPE Vectan SP 7
<<locked>>
81%
48153
75%
**43
98%
SNPE Vectan SP 9
<<locked>>
81%
46079
72%
**20
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
47921
75%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39972
62%
**13
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33678
53%
**02
92%
[Shooters World Long Rifle]*
<<locked>>
81%
34853
54%
**70
94%
Shooters World Match Rifle
<<locked>>
81%
46891
73%
**30
100%
Shooters World Precision
<<locked>>
81%
42380
66%
**35
100%
Shooters World Tactical Rifle
<<locked>>
81%
58769
92%
**54
100%
Somchem S321
<<locked>>
81%
54012
84%
**35
100%
Somchem S335
<<locked>>
81%
47587
74%
**51
100%
Somchem S341
<<locked>>
81%
47718
74%
**33
99%
Somchem S355
<<locked>>
81%
38319
60%
**72
98%
[Somchem S361]*
<<locked>>
94%
43482
68%
**38
90%
Somchem S365
<<locked>>
81%
27789
43%
**95
96%
[Somchem S385]*
<<locked>>
89%
33214
52%
**77
90%
Vihtavuori N130
<<locked>>
81%
52736
82%
**87
100%
Vihtavuori N133
<<locked>>
81%
45121
70%
**95
100%
Vihtavuori N135
<<locked>>
81%
37188
58%
**07
100%
Vihtavuori N140
<<locked>>
81%
43598
68%
**28
100%
Vihtavuori N150
<<locked>>
81%
32590
51%
**21
98%
Vihtavuori N160
<<locked>>
81%
33866
53%
**87
95%
Vihtavuori N530
<<locked>>
81%
52678
82%
**08
100%
Vihtavuori N540
<<locked>>
81%
43279
68%
**48
100%
Vihtavuori N550
<<locked>>
81%
34156
53%
**30
95%
[Vihtavuori N555]*
<<locked>>
82%
24468
38%
**97
90%
Winchester 6.5 StaBALL
<<locked>>
81%
32242
50%
**31
97%
Winchester 748
<<locked>>
81%
53577
84%
**54
100%
[Winchester 760]*
<<locked>>
81%
35810
56%
**66
92%
[Winchester StaBALL HD]*
<<locked>>
88%
24772
39%
**26
90%
Winchester StaBALL Match
<<locked>>
81%
56623
88%
**94
100%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

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