top of page

Load data for .300 H & H Mag. + .308 | 155gr | Sierra HPBT MK

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Hodgdon LVR, Norma URP, ReloadSwiss RS 62

.300 H & H Mag. + .308 | 155gr | Sierra HPBT MK

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | Sierra HPBT MK
Manufacturer SKU:
2155
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.130" | 28.7mm
Caliber:
.300 H & H Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.434" | 11.0mm
Shank Seated Depth:
0.269" | 6.8mm
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_B5876_C357
Last updated:
2025-01-01
Recommended Twist Rate:
1:14 - 1:12

Load data for 174 loads in caliber .300 H & H Mag. with .308 | 155gr | Sierra HPBT MK bullet and 87 powders such as Accurate 4350, Alliant Reloder-16, Hodgdon LVR, Norma URP, ReloadSwiss RS 62. 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 2206H
<<locked>>
84%
55869
90%
**05
100%
ADI AR 2208
<<locked>>
89%
55985
90%
**95
100%
ADI AR 2209
<<locked>>
97%
49893
80%
**59
95%
Accurate 2700
<<locked>>
90%
55941
90%
**36
97%
Accurate 3100
<<locked>>
97%
42888
69%
**05
96%
Accurate 4064
<<locked>>
87%
55753
89%
**76
100%
Accurate 4350 👍
<<locked>>
95%
55724
89%
**61
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
55550
89%
**09
100%
Alliant Reloder-15
<<locked>>
86%
55376
89%
**22
100%
Alliant Reloder-16 👍
<<locked>>
97%
56072
90%
**14
100%
Alliant Reloder-17
<<locked>>
92%
55332
89%
**10
100%
Alliant Reloder-19
<<locked>>
97%
48878
78%
**56
95%
[Alliant Reloder-22]*
<<locked>>
97%
43265
69%
**77
93%
Alliant Reloder-23
<<locked>>
97%
40640
65%
**31
99%
[Alliant Reloder-25]*
<<locked>>
97%
35897
58%
**13
94%
Alliant Reloder-26
<<locked>>
97%
45919
74%
**05
99%
Baschieri & Pellagri 107
<<locked>>
83%
55680
89%
**18
100%
Hodgdon CFE223
<<locked>>
87%
55811
89%
**51
100%
Hodgdon H380
<<locked>>
88%
55854
90%
**15
99%
Hodgdon H414
<<locked>>
91%
55376
89%
**68
98%
Hodgdon H4350
<<locked>>
97%
54056
87%
**86
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
47108
76%
**84
92%
Hodgdon Hybrid 100V
<<locked>>
97%
53098
85%
**92
100%
Hodgdon LVR 👍
<<locked>>
93%
55883
90%
**61
99%
Hodgdon Superperformance
<<locked>>
93%
55724
89%
**97
98%
Hodgdon VARGET
<<locked>>
89%
55492
89%
**92
100%
Hodgdon TrailBoss
<<locked>>
96%
34156
55%
**37
100%
IMR 3031
<<locked>>
85%
55259
89%
**79
100%
IMR 4064
<<locked>>
90%
55782
89%
**89
100%
IMR 4166 Enduron
<<locked>>
90%
55579
89%
**63
98%
IMR 4350
<<locked>>
96%
55970
90%
**15
98%
IMR 4451 Enduron
<<locked>>
91%
55463
89%
**92
98%
IMR 4831
<<locked>>
97%
50241
81%
**56
99%
IMR 4895
<<locked>>
86%
55912
90%
**41
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46630
75%
**41
92%
[IMR 7828 SSC]*
<<locked>>
97%
45716
73%
**07
92%
Lovex D073.6
<<locked>>
84%
56028
90%
**82
100%
Lovex S060
<<locked>>
84%
55985
90%
**49
100%
Lovex S062
<<locked>>
87%
55854
90%
**79
100%
Lovex S065
<<locked>>
93%
55535
89%
**89
99%
Lovex S070
<<locked>>
95%
56043
90%
**22
98%
[Lovex S071]*
<<locked>>
97%
35810
57%
**48
94%
Norma 201
<<locked>>
84%
55521
89%
**72
100%
Norma 202
<<locked>>
84%
56057
90%
**69
100%
Norma 203B
<<locked>>
86%
55317
89%
**22
100%
Norma 204
<<locked>>
96%
55912
90%
**48
96%
Norma MRP
<<locked>>
97%
45614
73%
**66
96%
Norma URP 👍
<<locked>>
96%
55854
90%
**68
100%
Ramshot Big Game
<<locked>>
86%
55579
89%
**35
100%
Ramshot Hunter
<<locked>>
96%
55811
89%
**84
99%
[Ramshot Magnum]*
<<locked>>
97%
41524
67%
**08
93%
ReloadSwiss RS 14
<<locked>>
96%
34780
56%
**80
100%
ReloadSwiss RS 50
<<locked>>
88%
55738
89%
**02
99%
ReloadSwiss RS 52
<<locked>>
86%
55216
89%
**38
100%
ReloadSwiss RS 60
<<locked>>
93%
55927
90%
**46
100%
ReloadSwiss RS 62 👍
<<locked>>
95%
55985
90%
**81
100%
ReloadSwiss RS 70
<<locked>>
96%
56057
90%
**36
100%
Rottweil R 902
<<locked>>
86%
56115
90%
**69
100%
Rottweil R 903
<<locked>>
90%
55506
89%
**02
100%
[Rottweil R 904]*
<<locked>>
97%
51285
82%
**33
94%
Rottweil R 905
<<locked>>
97%
48022
77%
**30
95%
Rottweil R 907
<<locked>>
92%
55651
89%
**89
98%
SNPE Vectan SP 11
<<locked>>
89%
56101
90%
**48
100%
SNPE Vectan SP 9
<<locked>>
84%
55840
90%
**02
100%
SNPE Vectan Tubal 3000
<<locked>>
83%
55492
89%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
55840
90%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
55825
90%
**43
98%
Shooters World Long Rifle
<<locked>>
93%
55535
89%
**89
99%
Shooters World Match Rifle
<<locked>>
84%
56028
90%
**82
100%
Shooters World Precision
<<locked>>
87%
55854
90%
**79
100%
Somchem S335
<<locked>>
84%
55521
89%
**87
100%
Somchem S355
<<locked>>
90%
55883
90%
**05
100%
[Somchem S361]*
<<locked>>
97%
53737
86%
**40
94%
Somchem S365
<<locked>>
97%
52779
85%
**45
100%
Somchem S385
<<locked>>
97%
49124
79%
**23
96%
Vihtavuori N133
<<locked>>
86%
55767
89%
**71
100%
Vihtavuori N135
<<locked>>
91%
56043
90%
**27
100%
Vihtavuori N140
<<locked>>
86%
55506
89%
**33
100%
Vihtavuori N150
<<locked>>
95%
55564
89%
**56
100%
Vihtavuori N160
<<locked>>
93%
55448
89%
**09
100%
[Vihtavuori N165]*
<<locked>>
97%
40654
65%
**36
93%
Vihtavuori N540
<<locked>>
86%
55724
89%
**63
100%
Vihtavuori N550
<<locked>>
93%
56028
90%
**61
100%
Vihtavuori N555
<<locked>>
97%
45005
72%
**20
99%
Winchester 6.5 StaBALL
<<locked>>
94%
55999
90%
**95
100%
Winchester 760
<<locked>>
91%
55376
89%
**68
98%
Winchester StaBALL HD
<<locked>>
97%
33127
53%
**38
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
51576
83%
**40
100%
ADI AR 2208
<<locked>>
81%
43801
70%
**79
99%
[ADI AR 2209]*
<<locked>>
87%
36840
59%
**77
90%
[Accurate 2700]*
<<locked>>
81%
42221
68%
**87
94%
[Accurate 3100]*
<<locked>>
85%
28805
46%
**64
90%
Accurate 4064
<<locked>>
81%
45890
74%
**12
100%
Accurate 4350
<<locked>>
81%
34243
55%
**31
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
43874
70%
**05
100%
Alliant Reloder-15
<<locked>>
81%
46963
75%
**74
99%
Alliant Reloder-16
<<locked>>
81%
34026
55%
**48
95%
Alliant Reloder-17
<<locked>>
81%
38334
61%
**82
99%
[Alliant Reloder-19]*
<<locked>>
87%
36289
58%
**64
90%
[Alliant Reloder-22]*
<<locked>>
92%
36796
59%
**17
90%
[Alliant Reloder-23]*
<<locked>>
81%
24772
40%
**65
91%
[Alliant Reloder-25]*
<<locked>>
91%
30139
48%
**46
90%
[Alliant Reloder-26]*
<<locked>>
83%
28413
46%
**36
90%
Baschieri & Pellagri 107
<<locked>>
81%
51169
82%
**53
99%
Hodgdon CFE223
<<locked>>
81%
46035
74%
**87
99%
Hodgdon H380
<<locked>>
81%
44889
72%
**28
98%
[Hodgdon H414]*
<<locked>>
81%
39726
64%
**62
94%
[Hodgdon H4350]*
<<locked>>
81%
33054
53%
**39
90%
[Hodgdon H4831 SC]*
<<locked>>
94%
43236
69%
**02
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31517
51%
**46
96%
Hodgdon LVR
<<locked>>
81%
37246
60%
**94
95%
[Hodgdon Superperformance]*
<<locked>>
81%
35766
57%
**84
91%
Hodgdon VARGET
<<locked>>
81%
43613
70%
**79
99%
Hodgdon TrailBoss
<<locked>>
81%
27267
44%
**86
100%
IMR 3031
<<locked>>
81%
47964
77%
**67
100%
IMR 4064
<<locked>>
81%
43047
69%
**56
99%
IMR 4166 Enduron
<<locked>>
81%
42438
68%
**17
95%
[IMR 4350]*
<<locked>>
81%
34664
56%
**75
91%
[IMR 4451 Enduron]*
<<locked>>
81%
40640
65%
**03
94%
[IMR 4831]*
<<locked>>
81%
30023
48%
**03
93%
IMR 4895
<<locked>>
81%
48095
77%
**00
100%
[IMR 4955 Enduron]*
<<locked>>
93%
41945
67%
**36
90%
[IMR 7828 SSC]*
<<locked>>
94%
41916
67%
**31
90%
Lovex D073.6
<<locked>>
81%
51634
83%
**23
100%
Lovex S060
<<locked>>
81%
50937
82%
**64
100%
Lovex S062
<<locked>>
81%
46166
74%
**15
100%
Lovex S065
<<locked>>
81%
38043
61%
**51
95%
[Lovex S070]*
<<locked>>
81%
36129
58%
**18
93%
[Lovex S071]*
<<locked>>
90%
28805
46%
**64
90%
Norma 201
<<locked>>
81%
50444
81%
**81
100%
Norma 202
<<locked>>
81%
51010
82%
**90
100%
Norma 203B
<<locked>>
81%
46340
74%
**61
99%
[Norma 204]*
<<locked>>
83%
36651
59%
**64
90%
[Norma MRP]*
<<locked>>
88%
33228
53%
**57
90%
Norma URP
<<locked>>
81%
34389
55%
**31
95%
Ramshot Big Game
<<locked>>
81%
46441
74%
**77
99%
[Ramshot Hunter]*
<<locked>>
81%
33504
54%
**12
92%
[Ramshot Magnum]*
<<locked>>
93%
35839
57%
**71
90%
ReloadSwiss RS 14
<<locked>>
81%
27862
45%
**29
100%
ReloadSwiss RS 50
<<locked>>
81%
44875
72%
**95
96%
ReloadSwiss RS 52
<<locked>>
81%
45963
74%
**77
100%
ReloadSwiss RS 60
<<locked>>
81%
37173
60%
**76
99%
ReloadSwiss RS 62
<<locked>>
81%
33968
54%
**48
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
33678
54%
**51
94%
Rottweil R 902
<<locked>>
81%
48240
77%
**35
100%
Rottweil R 903
<<locked>>
81%
41466
66%
**59
99%
[Rottweil R 904]*
<<locked>>
88%
39378
63%
**97
90%
[Rottweil R 905]*
<<locked>>
88%
35520
57%
**57
90%
[Rottweil R 907]*
<<locked>>
81%
39160
63%
**64
93%
SNPE Vectan SP 11
<<locked>>
81%
42511
68%
**08
99%
SNPE Vectan SP 9
<<locked>>
81%
50198
80%
**10
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
51619
83%
**25
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43439
70%
**84
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
37173
60%
**85
93%
Shooters World Long Rifle
<<locked>>
81%
38043
61%
**51
95%
Shooters World Match Rifle
<<locked>>
81%
51634
83%
**23
100%
Shooters World Precision
<<locked>>
81%
46166
74%
**15
100%
Somchem S335
<<locked>>
81%
51213
82%
**25
100%
Somchem S355
<<locked>>
81%
41959
67%
**59
99%
[Somchem S361]*
<<locked>>
90%
42859
69%
**40
90%
Somchem S365
<<locked>>
81%
30821
49%
**79
97%
[Somchem S385]*
<<locked>>
85%
33083
53%
**69
90%
Vihtavuori N133
<<locked>>
81%
48573
78%
**66
100%
Vihtavuori N135
<<locked>>
81%
40857
66%
**84
100%
Vihtavuori N140
<<locked>>
81%
47805
77%
**12
100%
Vihtavuori N150
<<locked>>
81%
35955
58%
**95
99%
Vihtavuori N160
<<locked>>
81%
37304
60%
**71
96%
[Vihtavuori N165]*
<<locked>>
92%
34519
55%
**89
90%
Vihtavuori N540
<<locked>>
81%
47297
76%
**31
100%
Vihtavuori N550
<<locked>>
81%
37956
61%
**17
96%
[Vihtavuori N555]*
<<locked>>
81%
26672
43%
**54
92%
Winchester 6.5 StaBALL
<<locked>>
81%
35317
57%
**12
98%
[Winchester 760]*
<<locked>>
81%
39726
64%
**62
94%
[Winchester StaBALL HD]*
<<locked>>
85%
24671
40%
**15
90%

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