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Load data for .300 H & H Mag. + .308 | 170gr | Swift A-Frame

Recommended Powder(s):

.300 H & H Mag. + .308 | 170gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Swift A-Frame
Bullet Weight:
170gr | 11.0g
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_B10846_C357
Last updated:
2026-01-30

Load data for 154 loads in caliber .300 H & H Mag. with .308 | 170gr | Swift A-Frame bullet and 77 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".

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  • 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>>
85%
56014
90%
**67
100%
ADI AR 2209
<<locked>>
96%
55622
89%
**53
98%
ADI AR 2213
<<locked>>
97%
50879
82%
**00
95%
Accurate 2700
<<locked>>
86%
55738
89%
**22
98%
Accurate 3100
<<locked>>
97%
50981
82%
**35
99%
Accurate 4350
<<locked>>
90%
55317
89%
**17
100%
[Accurate MAGPRO]*
<<locked>>
97%
49487
79%
**87
93%
Alliant Reloder- TS 15.5
<<locked>>
84%
55637
89%
**77
100%
Alliant Reloder-16 👍
<<locked>>
92%
55434
89%
**69
100%
Alliant Reloder-17
<<locked>>
88%
55985
90%
**79
100%
Alliant Reloder-19
<<locked>>
96%
55593
89%
**53
98%
Alliant Reloder-22
<<locked>>
97%
49937
80%
**00
97%
Alliant Reloder-23
<<locked>>
97%
47848
77%
**51
100%
Alliant Reloder-25
<<locked>>
97%
41481
67%
**53
98%
Alliant Reloder-26 👍
<<locked>>
97%
54317
87%
**45
100%
Bofors RP15
<<locked>>
97%
46209
74%
**22
96%
Bofors RP3
<<locked>>
84%
55593
89%
**77
100%
[Bofors RP30]*
<<locked>>
97%
38174
61%
**77
92%
Bofors RP5
<<locked>>
97%
49937
80%
**00
97%
Bofors RP7
<<locked>>
88%
55376
89%
**67
98%
Hodgdon H380
<<locked>>
84%
56057
90%
**90
100%
Hodgdon H414
<<locked>>
87%
56014
90%
**49
99%
Hodgdon H4350
<<locked>>
94%
56014
90%
**94
99%
[Hodgdon H4831]*
<<locked>>
97%
47645
76%
**82
94%
Hodgdon H4831 SC
<<locked>>
97%
53156
85%
**84
95%
Hodgdon Hybrid 100V
<<locked>>
94%
55825
90%
**90
100%
Hodgdon LVR
<<locked>>
89%
55593
89%
**20
100%
Hodgdon Superperformance
<<locked>>
89%
55303
89%
**72
99%
Hodgdon VARGET
<<locked>>
85%
55811
89%
**67
100%
Hodgdon TrailBoss
<<locked>>
96%
34766
56%
**68
100%
IMR 4064
<<locked>>
85%
55274
89%
**44
100%
IMR 4166 Enduron
<<locked>>
86%
55376
89%
**48
99%
IMR 4350
<<locked>>
92%
55825
90%
**90
99%
IMR 4451 Enduron
<<locked>>
87%
55550
89%
**74
99%
IMR 4831
<<locked>>
96%
56043
90%
**13
100%
IMR 4955 Enduron
<<locked>>
97%
52431
84%
**35
95%
IMR 7828 SSC
<<locked>>
97%
52895
85%
**40
96%
Lovex S062
<<locked>>
83%
55883
90%
**44
100%
Lovex S065
<<locked>>
89%
55593
89%
**64
100%
Lovex S070
<<locked>>
91%
56057
90%
**97
99%
Lovex S071
<<locked>>
97%
43047
69%
**90
98%
Norma 204
<<locked>>
92%
55782
89%
**33
98%
Norma MRP
<<locked>>
97%
52794
85%
**79
99%
Norma URP
<<locked>>
91%
55361
89%
**30
100%
Ramshot Grand
<<locked>>
97%
55579
89%
**05
97%
Ramshot Hunter 👍
<<locked>>
92%
55434
89%
**46
99%
Ramshot Magnum
<<locked>>
97%
48762
78%
**51
97%
ReloadSwiss RS 14
<<locked>>
96%
35505
57%
**08
100%
ReloadSwiss RS 50
<<locked>>
84%
55593
89%
**71
99%
ReloadSwiss RS 60
<<locked>>
86%
56057
90%
**92
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
55753
89%
**53
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
55550
89%
**99
100%
ReloadSwiss RS 76
<<locked>>
97%
40495
65%
**62
95%
Rottweil R 903
<<locked>>
86%
55564
89%
**67
100%
Rottweil R 904
<<locked>>
96%
56072
90%
**04
97%
Rottweil R 905
<<locked>>
97%
54940
88%
**33
98%
Rottweil R 907
<<locked>>
88%
55376
89%
**67
98%
SNPE Vectan SP 11
<<locked>>
85%
55666
89%
**13
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56115
90%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
55390
89%
**15
99%
Shooters World Long Rifle
<<locked>>
89%
55593
89%
**64
100%
Shooters World Precision
<<locked>>
83%
55883
90%
**44
100%
Somchem S355
<<locked>>
86%
56115
90%
**74
100%
Somchem S361
<<locked>>
94%
56043
90%
**71
96%
Somchem S365
<<locked>>
94%
55492
89%
**43
100%
Somchem S385
<<locked>>
97%
55970
90%
**17
99%
Vihtavuori N135
<<locked>>
87%
55709
89%
**82
100%
Vihtavuori N150
<<locked>>
91%
56057
90%
**38
100%
Vihtavuori N160
<<locked>>
89%
55695
89%
**90
100%
Vihtavuori N165
<<locked>>
97%
46905
75%
**53
96%
Vihtavuori N550
<<locked>>
88%
55883
90%
**30
100%
Vihtavuori N555
<<locked>>
97%
53621
86%
**27
100%
Vihtavuori N560
<<locked>>
97%
50212
81%
**13
95%
[Vihtavuori N565]*
<<locked>>
97%
43178
69%
**66
93%
Winchester 6.5 StaBALL
<<locked>>
90%
55637
89%
**67
100%
Winchester 760
<<locked>>
87%
56014
90%
**49
99%
Winchester StaBALL HD
<<locked>>
97%
42047
67%
**97
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49400
79%
**59
100%
[ADI AR 2209]*
<<locked>>
81%
34592
55%
**10
91%
[ADI AR 2213]*
<<locked>>
88%
38043
61%
**15
90%
Accurate 2700
<<locked>>
81%
47790
77%
**84
97%
[Accurate 3100]*
<<locked>>
81%
30719
49%
**05
93%
Accurate 4350
<<locked>>
81%
40814
65%
**61
98%
[Accurate MAGPRO]*
<<locked>>
93%
42830
69%
**59
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50067
80%
**89
100%
Alliant Reloder-16
<<locked>>
81%
39160
63%
**64
98%
Alliant Reloder-17
<<locked>>
81%
44483
71%
**89
100%
[Alliant Reloder-19]*
<<locked>>
81%
34374
55%
**13
91%
[Alliant Reloder-22]*
<<locked>>
83%
32880
53%
**10
90%
Alliant Reloder-23
<<locked>>
81%
29414
47%
**25
96%
[Alliant Reloder-25]*
<<locked>>
82%
27035
43%
**46
90%
Alliant Reloder-26
<<locked>>
81%
31328
50%
**36
95%
[Bofors RP15]*
<<locked>>
86%
33417
54%
**20
90%
Bofors RP3
<<locked>>
81%
50763
81%
**99
100%
[Bofors RP30]*
<<locked>>
94%
35447
57%
**98
90%
[Bofors RP5]*
<<locked>>
83%
32880
53%
**10
90%
Bofors RP7
<<locked>>
81%
44599
72%
**71
96%
Hodgdon H380
<<locked>>
81%
51242
82%
**12
100%
Hodgdon H414
<<locked>>
81%
45847
74%
**69
97%
[Hodgdon H4350]*
<<locked>>
81%
38218
61%
**56
94%
[Hodgdon H4831]*
<<locked>>
90%
39088
63%
**05
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
39392
63%
**12
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36883
59%
**56
99%
Hodgdon LVR
<<locked>>
81%
43076
69%
**07
98%
Hodgdon Superperformance
<<locked>>
81%
41292
66%
**10
96%
Hodgdon VARGET
<<locked>>
81%
48892
78%
**56
100%
Hodgdon TrailBoss
<<locked>>
83%
29080
47%
**47
100%
IMR 4064
<<locked>>
81%
48573
78%
**40
100%
IMR 4166 Enduron
<<locked>>
81%
47500
76%
**03
98%
IMR 4350
<<locked>>
81%
40001
64%
**98
95%
IMR 4451 Enduron
<<locked>>
81%
45963
74%
**00
97%
IMR 4831
<<locked>>
81%
35723
57%
**33
97%
[IMR 4955 Enduron]*
<<locked>>
85%
37652
60%
**30
90%
[IMR 7828 SSC]*
<<locked>>
86%
37449
60%
**18
90%
Lovex S062
<<locked>>
81%
52446
84%
**92
100%
Lovex S065
<<locked>>
81%
43729
70%
**51
98%
Lovex S070
<<locked>>
81%
41785
67%
**31
96%
[Lovex S071]*
<<locked>>
81%
26687
43%
**83
90%
[Norma 204]*
<<locked>>
81%
39392
63%
**21
93%
[Norma MRP]*
<<locked>>
81%
31749
51%
**10
91%
Norma URP
<<locked>>
81%
40321
65%
**51
98%
[Ramshot Grand]*
<<locked>>
85%
36869
59%
**15
90%
Ramshot Hunter
<<locked>>
81%
38986
63%
**35
96%
[Ramshot Magnum]*
<<locked>>
85%
32126
52%
**74
90%
ReloadSwiss RS 14
<<locked>>
81%
28689
46%
**67
100%
ReloadSwiss RS 50
<<locked>>
81%
50865
82%
**89
99%
ReloadSwiss RS 60
<<locked>>
81%
47036
75%
**48
100%
ReloadSwiss RS 62
<<locked>>
81%
40553
65%
**84
98%
ReloadSwiss RS 70
<<locked>>
81%
39059
63%
**74
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
32213
52%
**26
90%
Rottweil R 903
<<locked>>
81%
47993
77%
**49
100%
[Rottweil R 904]*
<<locked>>
81%
35998
58%
**07
90%
[Rottweil R 905]*
<<locked>>
81%
33417
54%
**93
91%
Rottweil R 907
<<locked>>
81%
44599
72%
**71
96%
SNPE Vectan SP 11
<<locked>>
81%
48747
78%
**02
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48530
78%
**48
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42714
68%
**98
97%
Shooters World Long Rifle
<<locked>>
81%
43729
70%
**51
98%
Shooters World Precision
<<locked>>
81%
52446
84%
**92
100%
Somchem S355
<<locked>>
81%
47993
77%
**43
100%
[Somchem S361]*
<<locked>>
83%
38276
61%
**33
90%
Somchem S365
<<locked>>
81%
36637
59%
**15
100%
[Somchem S385]*
<<locked>>
81%
34156
55%
**90
92%
Vihtavuori N135
<<locked>>
81%
46905
75%
**51
100%
Vihtavuori N150
<<locked>>
81%
41191
66%
**95
100%
Vihtavuori N160
<<locked>>
81%
43279
69%
**74
99%
[Vihtavuori N165]*
<<locked>>
84%
31314
50%
**02
90%
Vihtavuori N550
<<locked>>
81%
43947
70%
**20
99%
Vihtavuori N555
<<locked>>
81%
32474
52%
**03
97%
[Vihtavuori N560]*
<<locked>>
88%
38870
62%
**67
90%
[Vihtavuori N565]*
<<locked>>
92%
36941
59%
**28
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40799
65%
**21
100%
Winchester 760
<<locked>>
81%
45847
74%
**69
97%
Winchester StaBALL HD
<<locked>>
81%
26237
42%
**98
95%

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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