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Load data for .300 Win. Mag. + .308 | 185gr | Berger LRBTHP

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555

.300 Win. Mag. + .308 | 185gr | Berger LRBTHP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 185gr | Berger LRBTHP
Manufacturer SKU:
30418
Bullet Weight:
185gr | 12.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.353" | 34.4mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.683" | 17.4mm
Shank Seated Depth:
0.483" | 12.3mm
Case Capacity:
90.5 Grains of Water | 5.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B1097_C380
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 148 loads in caliber .300 Win. Mag. with .308 | 185gr | Berger LRBTHP bullet and 74 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555. 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%
55651
89%
**76
100%
ADI AR 2209
<<locked>>
96%
55796
89%
**67
99%
ADI AR 2213
<<locked>>
97%
50879
82%
**18
96%
[ADI AR 2225]*
<<locked>>
97%
32996
53%
**70
93%
Accurate 2700
<<locked>>
86%
55825
90%
**40
99%
Accurate 3100
<<locked>>
97%
50444
81%
**43
99%
Accurate 4064
<<locked>>
83%
56086
90%
**43
100%
Accurate 4350
<<locked>>
90%
55550
89%
**31
100%
[Accurate MAGPRO]*
<<locked>>
97%
49371
79%
**12
94%
Alliant Reloder- TS 15.5
<<locked>>
85%
55651
89%
**82
100%
Alliant Reloder-16
<<locked>>
92%
56115
90%
**81
100%
Alliant Reloder-17
<<locked>>
88%
56101
90%
**87
100%
Alliant Reloder-19
<<locked>>
96%
55709
89%
**67
99%
Alliant Reloder-22
<<locked>>
97%
49995
80%
**15
98%
Alliant Reloder-23
<<locked>>
97%
47645
76%
**59
100%
Alliant Reloder-25
<<locked>>
97%
41756
67%
**90
99%
Alliant Reloder-26 👍
<<locked>>
97%
54520
87%
**49
100%
Hodgdon H380
<<locked>>
84%
55709
89%
**99
100%
Hodgdon H414
<<locked>>
87%
55854
90%
**61
100%
Hodgdon H4350
<<locked>>
94%
55970
90%
**08
99%
Hodgdon H4831
<<locked>>
97%
47456
76%
**03
95%
Hodgdon H4831 SC
<<locked>>
97%
53563
86%
**08
96%
Hodgdon Hybrid 100V
<<locked>>
94%
55680
89%
**95
100%
Hodgdon LVR
<<locked>>
89%
55941
90%
**38
100%
[Hodgdon Retumbo]*
<<locked>>
97%
32996
53%
**70
93%
Hodgdon Superperformance
<<locked>>
89%
56086
90%
**94
99%
Hodgdon VARGET
<<locked>>
85%
56028
90%
**76
100%
Hodgdon TrailBoss
<<locked>>
96%
34867
56%
**06
100%
IMR 4064
<<locked>>
86%
55434
89%
**62
100%
IMR 4166 Enduron
<<locked>>
86%
55680
89%
**56
99%
IMR 4350
<<locked>>
92%
55564
89%
**05
99%
IMR 4451 Enduron
<<locked>>
88%
55883
90%
**92
99%
IMR 4831 👍
<<locked>>
96%
55695
89%
**18
100%
IMR 4955 Enduron
<<locked>>
97%
52939
85%
**59
96%
IMR 7828 SSC
<<locked>>
97%
52475
84%
**54
97%
Lovex S062
<<locked>>
83%
55840
90%
**56
100%
Lovex S065
<<locked>>
89%
55637
89%
**79
100%
Lovex S070
<<locked>>
91%
55637
89%
**05
100%
Lovex S071
<<locked>>
97%
42293
68%
**02
98%
Norma 204
<<locked>>
91%
55347
89%
**41
98%
Norma MRP
<<locked>>
97%
53098
85%
**94
99%
Norma URP
<<locked>>
91%
55956
90%
**41
100%
Ramshot Hunter 👍
<<locked>>
92%
56057
90%
**67
100%
Ramshot Magnum
<<locked>>
97%
48588
78%
**76
98%
ReloadSwiss RS 14
<<locked>>
96%
35273
57%
**36
100%
ReloadSwiss RS 50
<<locked>>
84%
55622
89%
**89
100%
ReloadSwiss RS 60
<<locked>>
88%
55637
89%
**10
100%
ReloadSwiss RS 62
<<locked>>
91%
55912
90%
**64
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
55767
89%
**07
100%
ReloadSwiss RS 76
<<locked>>
97%
40350
65%
**00
97%
Rottweil R 903
<<locked>>
86%
55405
89%
**72
100%
Rottweil R 904
<<locked>>
95%
55390
89%
**12
98%
Rottweil R 905
<<locked>>
97%
56057
90%
**64
99%
Rottweil R 907
<<locked>>
88%
55709
89%
**89
99%
SNPE Vectan SP 11
<<locked>>
85%
55550
89%
**15
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
55550
89%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
55579
89%
**40
99%
Shooters World Long Rifle
<<locked>>
89%
55637
89%
**79
100%
Shooters World Precision
<<locked>>
83%
55840
90%
**56
100%
Somchem S355
<<locked>>
86%
56115
90%
**82
100%
Somchem S361
<<locked>>
94%
56101
90%
**89
97%
Somchem S365
<<locked>>
93%
55637
89%
**51
100%
Somchem S385
<<locked>>
97%
56086
90%
**38
99%
Vihtavuori N135
<<locked>>
87%
56043
90%
**90
100%
Vihtavuori N150
<<locked>>
91%
55666
89%
**43
100%
Vihtavuori N160
<<locked>>
89%
55448
89%
**99
100%
Vihtavuori N165
<<locked>>
97%
47456
76%
**90
98%
Vihtavuori N550
<<locked>>
88%
55651
89%
**35
100%
Vihtavuori N555 👍
<<locked>>
97%
53388
86%
**35
100%
Vihtavuori N560
<<locked>>
97%
50792
81%
**51
96%
[Vihtavuori N565]*
<<locked>>
97%
42772
69%
**87
94%
Winchester 6.5 StaBALL
<<locked>>
90%
55361
89%
**69
100%
Winchester 760
<<locked>>
87%
55854
90%
**61
100%
Winchester StaBALL HD
<<locked>>
97%
42148
68%
**08
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49269
79%
**74
100%
[ADI AR 2209]*
<<locked>>
81%
34156
55%
**34
92%
[ADI AR 2213]*
<<locked>>
85%
34490
55%
**64
90%
[ADI AR 2225]*
<<locked>>
92%
29037
47%
**52
90%
Accurate 2700
<<locked>>
81%
47645
76%
**12
98%
[Accurate 3100]*
<<locked>>
81%
29602
47%
**16
94%
Accurate 4064
<<locked>>
81%
52547
84%
**97
100%
Accurate 4350
<<locked>>
81%
40306
65%
**79
99%
[Accurate MAGPRO]*
<<locked>>
89%
38392
62%
**92
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49908
80%
**90
100%
Alliant Reloder-16
<<locked>>
81%
38899
62%
**82
99%
Alliant Reloder-17
<<locked>>
81%
44556
71%
**10
100%
[Alliant Reloder-19]*
<<locked>>
81%
33982
54%
**38
92%
[Alliant Reloder-22]*
<<locked>>
81%
30284
49%
**72
90%
Alliant Reloder-23
<<locked>>
81%
28616
46%
**49
97%
[Alliant Reloder-25]*
<<locked>>
81%
25208
40%
**31
90%
Alliant Reloder-26
<<locked>>
81%
30647
49%
**54
96%
Hodgdon H380
<<locked>>
81%
50589
81%
**17
100%
Hodgdon H414
<<locked>>
81%
45861
74%
**87
98%
Hodgdon H4350
<<locked>>
81%
37768
61%
**74
95%
[Hodgdon H4831]*
<<locked>>
88%
35317
57%
**41
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
35491
57%
**54
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36666
59%
**80
99%
Hodgdon LVR
<<locked>>
81%
43018
69%
**18
99%
[Hodgdon Retumbo]*
<<locked>>
92%
29037
47%
**52
90%
Hodgdon Superperformance
<<locked>>
81%
41075
66%
**35
97%
Hodgdon VARGET
<<locked>>
81%
48921
78%
**64
100%
Hodgdon TrailBoss
<<locked>>
90%
31879
51%
**44
100%
IMR 4064
<<locked>>
81%
48356
78%
**51
100%
IMR 4166 Enduron
<<locked>>
81%
47398
76%
**25
98%
IMR 4350
<<locked>>
81%
39581
63%
**16
96%
IMR 4451 Enduron
<<locked>>
81%
45730
73%
**21
98%
IMR 4831
<<locked>>
81%
35027
56%
**44
98%
[IMR 4955 Enduron]*
<<locked>>
83%
34389
55%
**88
90%
[IMR 7828 SSC]*
<<locked>>
84%
34418
55%
**70
90%
Lovex S062
<<locked>>
81%
52156
84%
**00
100%
Lovex S065
<<locked>>
81%
43047
69%
**69
99%
Lovex S070
<<locked>>
81%
41162
66%
**46
97%
[Lovex S071]*
<<locked>>
81%
25440
41%
**92
91%
[Norma 204]*
<<locked>>
81%
38943
62%
**36
94%
[Norma MRP]*
<<locked>>
81%
31024
50%
**25
93%
Norma URP
<<locked>>
81%
39958
64%
**66
99%
Ramshot Hunter
<<locked>>
81%
38609
62%
**56
97%
[Ramshot Magnum]*
<<locked>>
83%
29486
47%
**43
90%
ReloadSwiss RS 14
<<locked>>
86%
30618
49%
**44
100%
ReloadSwiss RS 50
<<locked>>
81%
50589
81%
**03
99%
ReloadSwiss RS 60
<<locked>>
81%
43033
69%
**00
100%
ReloadSwiss RS 62
<<locked>>
81%
39943
64%
**89
99%
ReloadSwiss RS 70
<<locked>>
81%
38725
62%
**02
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
29602
47%
**92
90%
Rottweil R 903
<<locked>>
81%
47355
76%
**54
100%
[Rottweil R 904]*
<<locked>>
81%
35563
57%
**28
91%
[Rottweil R 905]*
<<locked>>
81%
32938
53%
**21
92%
Rottweil R 907
<<locked>>
81%
44164
71%
**89
97%
SNPE Vectan SP 11
<<locked>>
81%
48602
78%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48312
77%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42134
68%
**13
97%
Shooters World Long Rifle
<<locked>>
81%
43047
69%
**69
99%
Shooters World Precision
<<locked>>
81%
52156
84%
**00
100%
Somchem S355
<<locked>>
81%
47747
77%
**54
100%
[Somchem S361]*
<<locked>>
81%
36129
58%
**18
91%
Somchem S365
<<locked>>
81%
36303
58%
**26
100%
[Somchem S385]*
<<locked>>
81%
33576
54%
**05
94%
Vihtavuori N135
<<locked>>
81%
46528
75%
**59
100%
Vihtavuori N150
<<locked>>
81%
40944
66%
**03
100%
Vihtavuori N160
<<locked>>
81%
43120
69%
**95
99%
[Vihtavuori N165]*
<<locked>>
81%
28674
46%
**67
90%
Vihtavuori N550
<<locked>>
81%
43482
70%
**38
99%
Vihtavuori N555
<<locked>>
81%
31749
51%
**21
97%
[Vihtavuori N560]*
<<locked>>
86%
35447
57%
**20
90%
[Vihtavuori N565]*
<<locked>>
90%
34055
55%
**84
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40451
65%
**36
100%
Winchester 760
<<locked>>
81%
45861
74%
**87
98%
Winchester StaBALL HD
<<locked>>
81%
25179
40%
**16
96%

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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