top of page

Load data for .300 H & H Mag. + .308 | 200gr | Swift A-Frame

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

.300 H & H Mag. + .308 | 200gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 200gr | Swift A-Frame
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_B10849_C357
Last updated:
2026-03-23

Load data for 162 loads in caliber .300 H & H Mag. with .308 | 200gr | Swift A-Frame bullet and 81 powders such as Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. 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.

    .

    Loading_icon.gif

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>>
85%
55782
89%
**41
100%
ADI AR 2209
<<locked>>
96%
55898
90%
**40
99%
ADI AR 2213
<<locked>>
97%
51227
82%
**03
97%
[ADI AR 2217]*
<<locked>>
97%
37782
61%
**25
92%
[ADI AR 2225]*
<<locked>>
97%
33315
53%
**75
94%
Accurate 2700
<<locked>>
86%
55796
89%
**08
99%
Accurate 3100
<<locked>>
97%
51039
82%
**28
100%
Accurate 4350
<<locked>>
90%
55970
90%
**10
100%
Accurate MAGPRO
<<locked>>
97%
49734
80%
**00
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
55637
89%
**48
100%
Alliant Reloder-16
<<locked>>
92%
55535
89%
**43
100%
Alliant Reloder-17
<<locked>>
87%
55593
89%
**43
100%
Alliant Reloder-19
<<locked>>
96%
56072
90%
**43
99%
Alliant Reloder-22
<<locked>>
97%
50401
81%
**97
98%
Alliant Reloder-23
<<locked>>
97%
48211
77%
**44
100%
Alliant Reloder-25
<<locked>>
97%
41930
67%
**75
99%
Alliant Reloder-26 👍
<<locked>>
97%
55332
89%
**28
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
51256
82%
**18
93%
Bofors RP15
<<locked>>
97%
46804
75%
**38
97%
Bofors RP3
<<locked>>
84%
55637
89%
**54
100%
[Bofors RP30]*
<<locked>>
97%
37956
61%
**87
94%
Bofors RP5
<<locked>>
97%
50401
81%
**97
98%
Bofors RP7
<<locked>>
88%
55288
89%
**51
99%
[Hodgdon H1000]*
<<locked>>
97%
37782
61%
**25
92%
Hodgdon H380
<<locked>>
84%
55854
90%
**71
100%
Hodgdon H414
<<locked>>
87%
55999
90%
**33
100%
Hodgdon H4350
<<locked>>
93%
55288
89%
**67
99%
Hodgdon H4831
<<locked>>
97%
47863
77%
**92
96%
Hodgdon H4831 SC
<<locked>>
97%
53940
86%
**90
97%
Hodgdon Hybrid 100V
<<locked>>
94%
55898
90%
**74
100%
Hodgdon LVR
<<locked>>
89%
55622
89%
**00
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33315
53%
**75
94%
Hodgdon Superperformance
<<locked>>
89%
55999
90%
**62
100%
Hodgdon VARGET
<<locked>>
85%
55390
89%
**38
100%
Hodgdon TrailBoss
<<locked>>
96%
34635
56%
**04
100%
IMR 4064
<<locked>>
85%
55477
89%
**25
100%
IMR 4166 Enduron
<<locked>>
86%
55811
89%
**35
100%
IMR 4350
<<locked>>
91%
55390
89%
**64
99%
IMR 4451 Enduron
<<locked>>
87%
56028
90%
**61
100%
IMR 4831
<<locked>>
96%
55854
90%
**90
100%
IMR 4955 Enduron
<<locked>>
97%
53374
86%
**44
97%
IMR 7828 SSC
<<locked>>
97%
53084
85%
**46
98%
Lovex S065
<<locked>>
89%
55463
89%
**48
100%
Lovex S070
<<locked>>
90%
56028
90%
**74
100%
Lovex S071
<<locked>>
97%
42641
68%
**93
99%
Norma 204 👍
<<locked>>
91%
55593
89%
**13
99%
Norma MRP
<<locked>>
97%
54244
87%
**92
100%
Norma URP
<<locked>>
91%
55666
89%
**03
100%
Ramshot Grand
<<locked>>
96%
55405
89%
**95
98%
Ramshot Hunter 👍
<<locked>>
92%
56130
90%
**36
100%
Ramshot Magnum
<<locked>>
97%
49023
79%
**64
99%
ReloadSwiss RS 14
<<locked>>
96%
35737
57%
**50
100%
ReloadSwiss RS 50
<<locked>>
84%
55680
89%
**57
100%
ReloadSwiss RS 60
<<locked>>
85%
55724
89%
**46
100%
ReloadSwiss RS 62
<<locked>>
90%
55593
89%
**33
100%
ReloadSwiss RS 70
<<locked>>
91%
55898
90%
**85
100%
ReloadSwiss RS 76
<<locked>>
97%
40915
66%
**98
98%
Rottweil R 903
<<locked>>
85%
55434
89%
**41
100%
Rottweil R 904
<<locked>>
95%
55492
89%
**80
98%
Rottweil R 905
<<locked>>
97%
55811
89%
**33
99%
Rottweil R 907
<<locked>>
88%
55288
89%
**51
99%
SNPE Vectan SP 11
<<locked>>
85%
56043
90%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
55999
90%
**30
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
55985
90%
**18
100%
Shooters World Long Rifle
<<locked>>
89%
55463
89%
**48
100%
Somchem S355
<<locked>>
86%
55666
89%
**44
100%
Somchem S361
<<locked>>
94%
55608
89%
**54
97%
Somchem S365
<<locked>>
93%
55753
89%
**13
100%
Somchem S385
<<locked>>
96%
55608
89%
**03
99%
Vihtavuori N135
<<locked>>
87%
55390
89%
**52
100%
Vihtavuori N150
<<locked>>
91%
55419
89%
**05
100%
Vihtavuori N160
<<locked>>
89%
55999
90%
**71
100%
Vihtavuori N165
<<locked>>
97%
47747
77%
**72
98%
Vihtavuori N550
<<locked>>
88%
55492
89%
**00
100%
Vihtavuori N555 👍
<<locked>>
97%
53751
86%
**07
100%
Vihtavuori N560
<<locked>>
97%
51198
82%
**26
97%
Vihtavuori N565
<<locked>>
97%
43352
70%
**79
95%
Winchester 6.5 StaBALL
<<locked>>
90%
56057
90%
**48
100%
Winchester 760
<<locked>>
87%
55999
90%
**33
100%
Winchester StaBALL HD 👍
<<locked>>
97%
42830
69%
**94
100%
Winchester Supreme 780
<<locked>>
95%
55695
89%
**00
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49806
80%
**49
100%
[ADI AR 2209]*
<<locked>>
81%
34476
55%
**36
93%
[ADI AR 2213]*
<<locked>>
84%
33533
54%
**33
90%
[ADI AR 2217]*
<<locked>>
94%
34142
55%
**33
90%
[ADI AR 2225]*
<<locked>>
91%
28123
45%
**21
90%
Accurate 2700
<<locked>>
81%
47863
77%
**93
98%
Accurate 3100
<<locked>>
81%
29892
48%
**15
95%
Accurate 4350
<<locked>>
81%
40654
65%
**64
99%
[Accurate MAGPRO]*
<<locked>>
89%
37565
60%
**61
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50241
81%
**72
100%
Alliant Reloder-16
<<locked>>
81%
39450
63%
**67
99%
Alliant Reloder-17
<<locked>>
81%
44947
72%
**89
100%
[Alliant Reloder-19]*
<<locked>>
81%
34258
55%
**29
93%
[Alliant Reloder-22]*
<<locked>>
81%
30182
48%
**64
91%
Alliant Reloder-23
<<locked>>
81%
29080
47%
**47
98%
[Alliant Reloder-25]*
<<locked>>
81%
25541
41%
**42
92%
Alliant Reloder-26
<<locked>>
81%
30893
50%
**56
97%
[Baschieri & Pellagri 109]*
<<locked>>
91%
42830
69%
**64
90%
[Bofors RP15]*
<<locked>>
82%
29414
47%
**44
90%
Bofors RP3
<<locked>>
81%
50821
81%
**89
100%
[Bofors RP30]*
<<locked>>
91%
31444
50%
**33
90%
[Bofors RP5]*
<<locked>>
81%
30182
48%
**64
91%
Bofors RP7
<<locked>>
81%
44643
72%
**70
98%
[Hodgdon H1000]*
<<locked>>
94%
34142
55%
**33
90%
Hodgdon H380
<<locked>>
81%
51169
82%
**98
100%
Hodgdon H414
<<locked>>
81%
46296
74%
**72
99%
Hodgdon H4350
<<locked>>
81%
38305
61%
**72
96%
[Hodgdon H4831]*
<<locked>>
86%
34084
55%
**06
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
34084
55%
**06
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37173
60%
**75
100%
Hodgdon LVR
<<locked>>
81%
43366
70%
**03
99%
[Hodgdon Retumbo]*
<<locked>>
91%
28123
45%
**21
90%
Hodgdon Superperformance
<<locked>>
81%
41437
66%
**23
97%
Hodgdon VARGET
<<locked>>
81%
49313
79%
**43
100%
Hodgdon TrailBoss
<<locked>>
82%
28485
46%
**86
100%
IMR 4064
<<locked>>
81%
48776
78%
**30
100%
IMR 4166 Enduron
<<locked>>
81%
47790
77%
**07
99%
IMR 4350
<<locked>>
81%
39943
64%
**05
97%
IMR 4451 Enduron
<<locked>>
81%
46050
74%
**00
98%
IMR 4831
<<locked>>
81%
35418
57%
**39
98%
[IMR 4955 Enduron]*
<<locked>>
81%
32982
53%
**47
90%
[IMR 7828 SSC]*
<<locked>>
83%
33054
53%
**33
90%
Lovex S065
<<locked>>
81%
43627
70%
**54
99%
Lovex S070
<<locked>>
81%
41611
67%
**41
98%
[Lovex S071]*
<<locked>>
81%
25875
41%
**06
92%
Norma 204
<<locked>>
81%
39523
63%
**34
95%
[Norma MRP]*
<<locked>>
81%
31343
50%
**33
94%
Norma URP
<<locked>>
81%
40205
64%
**57
99%
[Ramshot Grand]*
<<locked>>
81%
32532
52%
**26
90%
Ramshot Hunter
<<locked>>
81%
39218
63%
**48
98%
[Ramshot Magnum]*
<<locked>>
82%
28398
46%
**08
90%
ReloadSwiss RS 14
<<locked>>
81%
28355
45%
**06
100%
ReloadSwiss RS 50
<<locked>>
81%
51198
82%
**92
100%
ReloadSwiss RS 60
<<locked>>
81%
47703
76%
**35
100%
ReloadSwiss RS 62
<<locked>>
81%
40640
65%
**87
99%
ReloadSwiss RS 70
<<locked>>
81%
39160
63%
**93
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
28587
46%
**60
90%
Rottweil R 903
<<locked>>
81%
47877
77%
**36
100%
[Rottweil R 904]*
<<locked>>
81%
35723
57%
**23
92%
[Rottweil R 905]*
<<locked>>
81%
33489
54%
**20
93%
Rottweil R 907
<<locked>>
81%
44643
72%
**70
98%
SNPE Vectan SP 11
<<locked>>
81%
49153
79%
**89
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49081
79%
**38
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42438
68%
**02
98%
Shooters World Long Rifle
<<locked>>
81%
43627
70%
**54
99%
Somchem S355
<<locked>>
81%
48283
77%
**39
100%
[Somchem S361]*
<<locked>>
81%
36405
58%
**16
91%
Somchem S365
<<locked>>
81%
36622
59%
**11
100%
[Somchem S385]*
<<locked>>
81%
33953
54%
**03
94%
Vihtavuori N135
<<locked>>
81%
46978
75%
**38
100%
Vihtavuori N150
<<locked>>
81%
41321
66%
**95
100%
Vihtavuori N160
<<locked>>
81%
43671
70%
**87
100%
[Vihtavuori N165]*
<<locked>>
81%
28413
46%
**59
91%
Vihtavuori N550
<<locked>>
81%
44019
71%
**26
100%
Vihtavuori N555
<<locked>>
81%
32126
52%
**16
98%
[Vihtavuori N560]*
<<locked>>
84%
33605
54%
**65
90%
[Vihtavuori N565]*
<<locked>>
88%
32605
52%
**39
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40959
66%
**31
100%
Winchester 760
<<locked>>
81%
46296
74%
**72
99%
Winchester StaBALL HD
<<locked>>
81%
25599
41%
**31
97%
[Winchester Supreme 780]*
<<locked>>
81%
33736
54%
**00
93%

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

bottom of page