top of page

Load data for .300 H & H Mag. + .308 | 165gr | Barnes X BT

Recommended Powder(s):

.300 H & H Mag. + .308 | 165gr | Barnes X BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Barnes X BT
Manufacturer SKU:
30827
Bullet Weight:
165gr | 10.7g
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_B616_C357
Last updated:
2026-05-29

Load data for 170 loads in caliber .300 H & H Mag. with .308 | 165gr | Barnes X BT bullet and 85 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.

    .

    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>>
87%
55535
89%
**71
100%
ADI AR 2209
<<locked>>
97%
52837
85%
**10
96%
[ADI AR 2213]*
<<locked>>
97%
47776
77%
**35
93%
Accurate 2700
<<locked>>
85%
55796
89%
**41
98%
Accurate 3100
<<locked>>
97%
46862
75%
**79
98%
Accurate 4064
<<locked>>
84%
55405
89%
**44
100%
Accurate 4350 👍
<<locked>>
93%
55912
90%
**49
100%
[Accurate MAGPRO]*
<<locked>>
97%
47703
76%
**74
92%
Alliant Power Pro 2000-MR
<<locked>>
84%
55637
89%
**15
100%
Alliant Reloder- TS 15.5
<<locked>>
86%
55564
89%
**87
100%
Alliant Reloder-15
<<locked>>
85%
56014
90%
**13
100%
Alliant Reloder-16 👍
<<locked>>
95%
55898
90%
**95
100%
Alliant Reloder-17
<<locked>>
90%
56014
90%
**05
100%
Alliant Reloder-19
<<locked>>
97%
51996
83%
**00
96%
Alliant Reloder-22
<<locked>>
97%
46847
75%
**48
95%
Alliant Reloder-23
<<locked>>
97%
44324
71%
**05
100%
Alliant Reloder-25
<<locked>>
97%
38914
62%
**97
96%
Alliant Reloder-26
<<locked>>
97%
49632
80%
**72
99%
[Bofors RP15]*
<<locked>>
97%
43105
69%
**72
94%
Bofors RP3
<<locked>>
86%
55825
90%
**94
100%
Bofors RP5
<<locked>>
97%
46847
75%
**48
95%
Bofors RP7
<<locked>>
91%
56115
90%
**87
98%
Hodgdon H380
<<locked>>
86%
55956
90%
**07
100%
Hodgdon H414
<<locked>>
92%
55811
89%
**59
98%
Hodgdon H4350
<<locked>>
90%
55883
90%
**23
97%
[Hodgdon H4831]*
<<locked>>
97%
50836
82%
**48
93%
[Hodgdon H4831 SC]*
<<locked>>
97%
50285
81%
**35
93%
Hodgdon Hybrid 100V
<<locked>>
96%
55535
89%
**10
100%
Hodgdon Superperformance
<<locked>>
92%
55898
90%
**99
98%
Hodgdon LEVERevolution
<<locked>>
84%
56086
90%
**33
100%
Hodgdon TrailBoss
<<locked>>
97%
35114
56%
**75
100%
IMR 4064
<<locked>>
85%
55347
89%
**58
100%
IMR 4166 Enduron
<<locked>>
84%
56028
90%
**64
98%
IMR 4350
<<locked>>
94%
55579
89%
**00
98%
IMR 4451 Enduron
<<locked>>
90%
55985
90%
**84
98%
IMR 4831
<<locked>>
95%
55579
89%
**33
100%
IMR 4895
<<locked>>
84%
56028
90%
**20
100%
[IMR 4955 Enduron]*
<<locked>>
97%
52460
84%
**35
94%
[IMR 7828 SSC]*
<<locked>>
97%
45411
73%
**02
92%
Lovex S062
<<locked>>
85%
55941
90%
**64
100%
Lovex S065
<<locked>>
91%
55317
89%
**71
99%
Lovex S070
<<locked>>
93%
56072
90%
**04
99%
Lovex S071
<<locked>>
97%
39595
63%
**28
96%
Norma 203B
<<locked>>
85%
55593
89%
**04
100%
Norma 204
<<locked>>
94%
55550
89%
**30
97%
Norma MRP
<<locked>>
97%
49269
79%
**36
97%
Norma URP 👍
<<locked>>
94%
55854
90%
**53
100%
Ramshot Big Game
<<locked>>
84%
55361
89%
**20
100%
[Ramshot Grand]*
<<locked>>
97%
45063
72%
**99
92%
Ramshot Hunter
<<locked>>
94%
55796
89%
**63
99%
[Ramshot Magnum]*
<<locked>>
97%
40408
65%
**84
93%
ReloadSwiss RS 14
<<locked>>
96%
35621
57%
**11
100%
ReloadSwiss RS 50
<<locked>>
86%
55172
88%
**71
99%
ReloadSwiss RS 60
<<locked>>
88%
55796
89%
**12
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
55521
89%
**72
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
55956
90%
**18
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
37768
61%
**87
92%
Rottweil R 902
<<locked>>
84%
55956
90%
**44
100%
Rottweil R 903
<<locked>>
88%
55535
89%
**90
100%
Rottweil R 904
<<locked>>
97%
54911
88%
**90
95%
Rottweil R 905
<<locked>>
97%
51242
82%
**87
96%
Rottweil R 907
<<locked>>
91%
56115
90%
**87
98%
SNPE Vectan SP 11
<<locked>>
87%
55361
89%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
55970
90%
**66
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
55738
89%
**31
98%
SNPE Vectan Tubal 8000
<<locked>>
97%
50734
81%
**81
96%
Shooters World Long Rifle
<<locked>>
91%
55317
89%
**71
99%
Shooters World Precision
<<locked>>
85%
55941
90%
**64
100%
Somchem S355
<<locked>>
88%
55709
89%
**90
100%
Somchem S361
<<locked>>
96%
55434
89%
**64
95%
Somchem S365
<<locked>>
96%
55608
89%
**76
100%
Somchem S385
<<locked>>
97%
52721
85%
**77
97%
Vihtavuori N135
<<locked>>
85%
55753
89%
**08
100%
Vihtavuori N140
<<locked>>
84%
55883
90%
**12
100%
Vihtavuori N150
<<locked>>
89%
55419
89%
**41
100%
Vihtavuori N160
<<locked>>
93%
55999
90%
**10
100%
Vihtavuori N165
<<locked>>
97%
45049
72%
**30
95%
Vihtavuori N540
<<locked>>
85%
55506
89%
**31
100%
Vihtavuori N550
<<locked>>
93%
55695
89%
**27
100%
Vihtavuori N555
<<locked>>
97%
49037
79%
**74
100%
[Vihtavuori N560]*
<<locked>>
97%
49603
80%
**10
93%
Winchester 6.5 StaBALL
<<locked>>
93%
55521
89%
**87
100%
Winchester 760
<<locked>>
92%
55637
89%
**63
98%
Winchester StaBALL HD
<<locked>>
97%
36158
58%
**25
100%
Winchester Supreme 780
<<locked>>
97%
48399
78%
**95
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46659
75%
**23
99%
[ADI AR 2209]*
<<locked>>
84%
35984
58%
**49
90%
[ADI AR 2213]*
<<locked>>
92%
41191
66%
**90
90%
Accurate 2700
<<locked>>
81%
50256
81%
**46
97%
[Accurate 3100]*
<<locked>>
81%
28718
46%
**62
91%
Accurate 4064
<<locked>>
81%
50270
81%
**66
100%
Accurate 4350
<<locked>>
81%
38435
62%
**28
97%
[Accurate MAGPRO]*
<<locked>>
94%
43352
70%
**82
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
51010
82%
**40
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
47166
76%
**49
100%
Alliant Reloder-15
<<locked>>
81%
50430
81%
**18
100%
Alliant Reloder-16
<<locked>>
81%
36970
59%
**18
97%
Alliant Reloder-17
<<locked>>
81%
41553
67%
**49
99%
[Alliant Reloder-19]*
<<locked>>
84%
35215
56%
**43
90%
[Alliant Reloder-22]*
<<locked>>
88%
35114
56%
**82
90%
[Alliant Reloder-23]*
<<locked>>
81%
27876
45%
**82
94%
[Alliant Reloder-25]*
<<locked>>
86%
29095
47%
**11
90%
[Alliant Reloder-26]*
<<locked>>
81%
29617
47%
**87
92%
[Bofors RP15]*
<<locked>>
91%
35708
57%
**95
90%
Bofors RP3
<<locked>>
81%
48037
77%
**69
100%
[Bofors RP5]*
<<locked>>
88%
35114
56%
**82
90%
Bofors RP7
<<locked>>
81%
42177
68%
**28
95%
Hodgdon H380
<<locked>>
81%
48225
77%
**72
99%
Hodgdon H414
<<locked>>
81%
39624
64%
**54
95%
[Hodgdon H4350]*
<<locked>>
81%
42641
68%
**74
94%
[Hodgdon H4831]*
<<locked>>
91%
41829
67%
**67
90%
[Hodgdon H4831 SC]*
<<locked>>
91%
41829
67%
**67
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34519
55%
**20
98%
[Hodgdon Superperformance]*
<<locked>>
81%
38595
62%
**51
93%
Hodgdon LEVERevolution
<<locked>>
81%
51648
83%
**64
100%
Hodgdon TrailBoss
<<locked>>
81%
27949
45%
**21
100%
IMR 4064
<<locked>>
81%
48936
78%
**56
100%
IMR 4166 Enduron
<<locked>>
81%
51256
82%
**79
98%
[IMR 4350]*
<<locked>>
81%
37797
61%
**56
93%
IMR 4451 Enduron
<<locked>>
81%
43308
69%
**57
96%
IMR 4831
<<locked>>
81%
36724
59%
**72
97%
IMR 4895
<<locked>>
81%
51793
83%
**58
100%
[IMR 4955 Enduron]*
<<locked>>
88%
40277
65%
**02
90%
[IMR 7828 SSC]*
<<locked>>
93%
40770
65%
**97
90%
Lovex S062
<<locked>>
81%
49414
79%
**59
100%
Lovex S065
<<locked>>
81%
41263
66%
**12
97%
Lovex S070
<<locked>>
81%
39581
63%
**95
95%
[Lovex S071]*
<<locked>>
84%
27644
44%
**26
90%
Norma 203B
<<locked>>
81%
49777
80%
**05
100%
[Norma 204]*
<<locked>>
81%
37028
59%
**72
91%
[Norma MRP]*
<<locked>>
83%
31879
51%
**20
90%
Norma URP
<<locked>>
81%
37652
60%
**08
97%
Ramshot Big Game
<<locked>>
81%
49922
80%
**25
100%
[Ramshot Grand]*
<<locked>>
93%
40190
64%
**94
90%
[Ramshot Hunter]*
<<locked>>
81%
36651
59%
**92
94%
[Ramshot Magnum]*
<<locked>>
92%
34722
56%
**46
90%
ReloadSwiss RS 14
<<locked>>
81%
28427
46%
**57
100%
ReloadSwiss RS 50
<<locked>>
81%
47674
76%
**49
97%
ReloadSwiss RS 60
<<locked>>
81%
44106
71%
**08
100%
ReloadSwiss RS 62
<<locked>>
81%
37608
60%
**31
97%
ReloadSwiss RS 70
<<locked>>
81%
36724
59%
**28
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
34795
56%
**02
90%
Rottweil R 902
<<locked>>
81%
51735
83%
**79
100%
Rottweil R 903
<<locked>>
81%
45092
72%
**17
100%
[Rottweil R 904]*
<<locked>>
85%
38406
62%
**69
90%
[Rottweil R 905]*
<<locked>>
84%
34650
56%
**39
90%
Rottweil R 907
<<locked>>
81%
42177
68%
**28
95%
SNPE Vectan SP 11
<<locked>>
81%
45759
73%
**56
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
46079
74%
**21
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40553
65%
**56
95%
[SNPE Vectan Tubal 8000]*
<<locked>>
84%
34360
55%
**30
90%
Shooters World Long Rifle
<<locked>>
81%
41263
66%
**12
97%
Shooters World Precision
<<locked>>
81%
49414
79%
**59
100%
Somchem S355
<<locked>>
81%
45513
73%
**13
100%
[Somchem S361]*
<<locked>>
87%
40843
65%
**95
90%
Somchem S365
<<locked>>
81%
34389
55%
**69
99%
[Somchem S385]*
<<locked>>
81%
32271
52%
**44
90%
Vihtavuori N135
<<locked>>
81%
48950
78%
**07
100%
Vihtavuori N140
<<locked>>
81%
51547
83%
**56
100%
Vihtavuori N150
<<locked>>
81%
43265
69%
**44
100%
Vihtavuori N160
<<locked>>
81%
39001
63%
**12
97%
[Vihtavuori N165]*
<<locked>>
87%
33489
54%
**70
90%
Vihtavuori N540
<<locked>>
81%
49922
80%
**46
100%
Vihtavuori N550
<<locked>>
81%
38783
62%
**12
97%
Vihtavuori N555
<<locked>>
81%
30269
49%
**67
95%
[Vihtavuori N560]*
<<locked>>
91%
41075
66%
**26
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38130
61%
**72
99%
Winchester 760
<<locked>>
81%
39798
64%
**54
95%
[Winchester StaBALL HD]*
<<locked>>
81%
25019
40%
**36
92%
[Winchester Supreme 780]*
<<locked>>
87%
35317
57%
**16
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