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Load data for .300 H & H Mag. + .308 | 200gr | Speer Grand Slam

Recommended Powder(s):

.300 H & H Mag. + .308 | 200gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 200gr | Speer Grand Slam
Manufacturer SKU:
2212
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 H & H Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
85.9 Grains of Water | 5.58 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B6175_C357
Last updated:
2026-02-03

Load data for 156 loads in caliber .300 H & H Mag. with .308 | 200gr | Speer Grand Slam bullet and 78 powder(s). 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 2208
<<locked>>
84%
55985
90%
**54
100%
ADI AR 2209
<<locked>>
95%
55419
89%
**40
99%
ADI AR 2213
<<locked>>
97%
52982
85%
**40
98%
[ADI AR 2217]*
<<locked>>
97%
38537
62%
**51
93%
ADI AR 2225
<<locked>>
97%
34418
55%
**18
95%
Accurate 2700
<<locked>>
85%
56101
90%
**28
99%
Accurate 3100
<<locked>>
97%
52736
85%
**61
100%
Accurate 4350
<<locked>>
89%
55970
90%
**13
100%
Accurate MAGPRO
<<locked>>
97%
51547
83%
**33
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
56057
90%
**61
100%
Alliant Reloder-16
<<locked>>
91%
55724
89%
**49
100%
Alliant Reloder-17
<<locked>>
86%
55477
89%
**56
100%
Alliant Reloder-19
<<locked>>
95%
55477
89%
**40
99%
Alliant Reloder-22
<<locked>>
97%
52315
84%
**33
99%
Alliant Reloder-23
<<locked>>
97%
49748
80%
**67
100%
Alliant Reloder-25
<<locked>>
97%
43424
70%
**12
100%
Alliant Reloder-26 👍
<<locked>>
96%
55912
90%
**38
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
52446
84%
**54
94%
Bofors RP15
<<locked>>
97%
47935
77%
**61
98%
Bofors RP3
<<locked>>
83%
56043
90%
**64
100%
Bofors RP30
<<locked>>
97%
39537
63%
**30
95%
Bofors RP5
<<locked>>
97%
52315
84%
**33
99%
Bofors RP7
<<locked>>
87%
55521
89%
**64
99%
[Hodgdon H1000]*
<<locked>>
97%
38537
62%
**51
93%
Hodgdon H414
<<locked>>
86%
55622
89%
**33
100%
Hodgdon H4350
<<locked>>
93%
56043
90%
**87
99%
Hodgdon H4831
<<locked>>
97%
49197
79%
**18
96%
Hodgdon H4831 SC
<<locked>>
97%
55622
89%
**23
97%
Hodgdon Hybrid 100V
<<locked>>
93%
55956
90%
**77
100%
Hodgdon LVR
<<locked>>
88%
55347
89%
**07
100%
Hodgdon Retumbo
<<locked>>
97%
34418
55%
**18
95%
Hodgdon Superperformance
<<locked>>
88%
55709
89%
**66
100%
Hodgdon VARGET
<<locked>>
84%
55448
89%
**41
100%
IMR 4064
<<locked>>
85%
55637
89%
**38
100%
IMR 4166 Enduron
<<locked>>
86%
55825
90%
**48
100%
IMR 4350
<<locked>>
91%
55608
89%
**80
99%
IMR 4451 Enduron
<<locked>>
87%
56014
90%
**74
100%
IMR 4831
<<locked>>
95%
55985
90%
**03
100%
IMR 4955 Enduron
<<locked>>
97%
54810
88%
**77
97%
IMR 7828 SSC
<<locked>>
97%
54853
88%
**79
98%
Lovex S065
<<locked>>
88%
55535
89%
**57
100%
Lovex S070
<<locked>>
89%
55753
89%
**87
100%
Lovex S071
<<locked>>
97%
44150
71%
**23
99%
Norma 204 👍
<<locked>>
90%
55840
90%
**26
99%
[Norma 217]*
<<locked>>
97%
30545
49%
**43
92%
Norma MRP
<<locked>>
97%
55477
89%
**15
100%
Norma URP
<<locked>>
90%
55317
89%
**07
100%
Ramshot Grand
<<locked>>
95%
55317
89%
**95
98%
Ramshot Hunter 👍
<<locked>>
91%
55753
89%
**36
100%
Ramshot Magnum
<<locked>>
97%
50908
82%
**03
99%
ReloadSwiss RS 14
<<locked>>
97%
35882
58%
**63
100%
ReloadSwiss RS 60
<<locked>>
84%
55376
89%
**46
100%
ReloadSwiss RS 62
<<locked>>
89%
55912
90%
**43
100%
ReloadSwiss RS 70
<<locked>>
90%
56086
90%
**92
100%
ReloadSwiss RS 76
<<locked>>
97%
42134
68%
**38
98%
Rottweil R 903
<<locked>>
85%
55985
90%
**61
100%
Rottweil R 904
<<locked>>
94%
55753
89%
**97
98%
Rottweil R 905
<<locked>>
96%
55738
89%
**43
99%
Rottweil R 907
<<locked>>
87%
55521
89%
**64
99%
SNPE Vectan SP 11
<<locked>>
84%
55666
89%
**90
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
56115
90%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
55521
89%
**21
100%
Shooters World Long Rifle
<<locked>>
88%
55535
89%
**57
100%
Somchem S355
<<locked>>
85%
55912
90%
**57
100%
Somchem S361
<<locked>>
93%
55477
89%
**61
97%
Somchem S365
<<locked>>
92%
55347
89%
**20
100%
Somchem S385
<<locked>>
95%
55840
90%
**13
99%
Vihtavuori N135
<<locked>>
86%
56101
90%
**69
100%
Vihtavuori N150
<<locked>>
90%
55463
89%
**12
100%
Vihtavuori N160
<<locked>>
88%
56028
90%
**84
100%
Vihtavuori N165
<<locked>>
97%
48805
78%
**92
98%
Vihtavuori N550
<<locked>>
87%
55970
90%
**17
100%
Vihtavuori N555 👍
<<locked>>
97%
55680
89%
**49
100%
Vihtavuori N560
<<locked>>
97%
52866
85%
**69
97%
Vihtavuori N565
<<locked>>
97%
44759
72%
**08
95%
Winchester 6.5 StaBALL
<<locked>>
89%
55564
89%
**54
100%
Winchester 760
<<locked>>
86%
55622
89%
**33
100%
Winchester StaBALL HD 👍
<<locked>>
97%
45295
73%
**30
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50763
81%
**72
100%
[ADI AR 2209]*
<<locked>>
81%
35375
57%
**65
94%
[ADI AR 2213]*
<<locked>>
82%
32924
53%
**20
90%
[ADI AR 2217]*
<<locked>>
92%
32967
53%
**16
90%
[ADI AR 2225]*
<<locked>>
90%
27731
44%
**18
90%
Accurate 2700
<<locked>>
81%
48994
79%
**23
99%
Accurate 3100
<<locked>>
81%
30980
50%
**47
95%
Accurate 4350
<<locked>>
81%
42018
67%
**93
100%
[Accurate MAGPRO]*
<<locked>>
87%
36506
59%
**41
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51692
83%
**98
100%
Alliant Reloder-16
<<locked>>
81%
40495
65%
**97
100%
Alliant Reloder-17
<<locked>>
81%
46296
74%
**12
100%
[Alliant Reloder-19]*
<<locked>>
81%
35273
57%
**62
94%
[Alliant Reloder-22]*
<<locked>>
81%
31009
50%
**00
92%
Alliant Reloder-23
<<locked>>
81%
29820
48%
**77
98%
[Alliant Reloder-25]*
<<locked>>
81%
26237
42%
**75
92%
Alliant Reloder-26
<<locked>>
81%
32227
52%
**92
97%
[Baschieri & Pellagri 109]*
<<locked>>
89%
41756
67%
**54
90%
[Bofors RP15]*
<<locked>>
81%
29066
47%
**41
90%
Bofors RP3
<<locked>>
81%
52330
84%
**12
100%
[Bofors RP30]*
<<locked>>
89%
30995
50%
**23
90%
[Bofors RP5]*
<<locked>>
81%
31009
50%
**00
92%
Bofors RP7
<<locked>>
81%
45614
73%
**97
98%
[Hodgdon H1000]*
<<locked>>
92%
32967
53%
**16
90%
Hodgdon H414
<<locked>>
81%
47659
76%
**05
99%
Hodgdon H4350
<<locked>>
81%
39117
63%
**98
96%
[Hodgdon H4831]*
<<locked>>
85%
33315
53%
**97
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33605
54%
**03
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38159
61%
**95
100%
Hodgdon LVR
<<locked>>
81%
44759
72%
**39
100%
[Hodgdon Retumbo]*
<<locked>>
90%
27731
44%
**18
90%
Hodgdon Superperformance
<<locked>>
81%
42859
69%
**59
98%
Hodgdon VARGET
<<locked>>
81%
50517
81%
**72
100%
IMR 4064
<<locked>>
81%
49850
80%
**56
100%
IMR 4166 Enduron
<<locked>>
81%
48718
78%
**33
99%
IMR 4350
<<locked>>
81%
41060
66%
**34
97%
IMR 4451 Enduron
<<locked>>
81%
46862
75%
**23
99%
IMR 4831
<<locked>>
81%
36376
58%
**69
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33692
54%
**74
91%
[IMR 7828 SSC]*
<<locked>>
81%
32547
52%
**29
90%
Lovex S065
<<locked>>
81%
44614
72%
**80
99%
Lovex S070
<<locked>>
81%
42685
68%
**67
98%
[Lovex S071]*
<<locked>>
81%
26716
43%
**33
93%
Norma 204
<<locked>>
81%
40683
65%
**64
96%
[Norma 217]*
<<locked>>
94%
27717
44%
**57
90%
[Norma MRP]*
<<locked>>
81%
32314
52%
**62
94%
Norma URP
<<locked>>
81%
41597
67%
**90
99%
[Ramshot Grand]*
<<locked>>
81%
32866
53%
**49
91%
Ramshot Hunter
<<locked>>
81%
40408
65%
**80
98%
[Ramshot Magnum]*
<<locked>>
81%
28543
46%
**21
91%
ReloadSwiss RS 14
<<locked>>
94%
34621
56%
**40
100%
ReloadSwiss RS 60
<<locked>>
81%
49139
79%
**64
100%
ReloadSwiss RS 62
<<locked>>
81%
41901
67%
**13
99%
ReloadSwiss RS 70
<<locked>>
81%
40335
65%
**20
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
28137
45%
**54
90%
Rottweil R 903
<<locked>>
81%
49168
79%
**59
100%
[Rottweil R 904]*
<<locked>>
81%
36898
59%
**59
93%
[Rottweil R 905]*
<<locked>>
81%
34389
55%
**49
94%
Rottweil R 907
<<locked>>
81%
45614
73%
**97
98%
SNPE Vectan SP 11
<<locked>>
81%
50372
81%
**15
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50111
80%
**61
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43772
70%
**31
98%
Shooters World Long Rifle
<<locked>>
81%
44614
72%
**80
99%
Somchem S355
<<locked>>
81%
49400
79%
**62
100%
[Somchem S361]*
<<locked>>
81%
37391
60%
**39
92%
Somchem S365
<<locked>>
81%
38072
61%
**44
100%
Somchem S385
<<locked>>
81%
35114
56%
**36
95%
Vihtavuori N135
<<locked>>
81%
47892
77%
**61
100%
Vihtavuori N150
<<locked>>
81%
42351
68%
**15
100%
Vihtavuori N160
<<locked>>
81%
44614
72%
**07
100%
[Vihtavuori N165]*
<<locked>>
81%
29443
47%
**95
92%
Vihtavuori N550
<<locked>>
81%
45339
73%
**52
100%
Vihtavuori N555
<<locked>>
81%
33286
53%
**49
98%
[Vihtavuori N560]*
<<locked>>
83%
33127
53%
**59
90%
[Vihtavuori N565]*
<<locked>>
87%
32039
51%
**33
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41945
67%
**48
100%
Winchester 760
<<locked>>
81%
47659
76%
**05
99%
Winchester StaBALL HD
<<locked>>
81%
23975
38%
**67
98%

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.

<<locked>>... you need to buy an access license to unlock the data

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