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Load data for .300 Win. Mag. + .308 | 155gr | Berger BT Target

Recommended Powder(s): Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550

.300 Win. Mag. + .308 | 155gr | Berger BT Target

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | Berger BT Target
Manufacturer SKU:
30409
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.212" | 30.8mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.542" | 13.8mm
Shank Seated Depth:
0.387" | 9.8mm
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_B1059_C380
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 168 loads in caliber .300 Win. Mag. with .308 | 155gr | Berger BT Target bullet and 84 powders such as Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Somchem S365, Vihtavuori N550. 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>>
88%
56115
90%
**22
100%
ADI AR 2209
<<locked>>
97%
51547
83%
**22
96%
[ADI AR 2213]*
<<locked>>
97%
46354
74%
**30
92%
Accurate 2700
<<locked>>
89%
56115
90%
**63
98%
Accurate 3100
<<locked>>
97%
44295
71%
**58
97%
Accurate 4064
<<locked>>
86%
56043
90%
**95
100%
Accurate 4350
<<locked>>
94%
55680
89%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
55724
89%
**28
100%
Alliant Reloder-15
<<locked>>
86%
55912
90%
**48
100%
Alliant Reloder-16 👍
<<locked>>
96%
55724
89%
**30
100%
Alliant Reloder-17
<<locked>>
91%
55666
89%
**36
100%
Alliant Reloder-19
<<locked>>
97%
50517
81%
**02
96%
[Alliant Reloder-22]*
<<locked>>
97%
44759
72%
**36
94%
Alliant Reloder-23
<<locked>>
97%
41814
67%
**77
99%
Alliant Reloder-25
<<locked>>
97%
37173
60%
**82
95%
Alliant Reloder-26
<<locked>>
97%
47326
76%
**68
99%
Hodgdon CFE223
<<locked>>
86%
55448
89%
**77
100%
Hodgdon H380
<<locked>>
87%
56115
90%
**48
100%
Hodgdon H414
<<locked>>
90%
55840
90%
**97
98%
Hodgdon H4350
<<locked>>
97%
55317
89%
**28
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
48443
78%
**23
93%
Hodgdon Hybrid 100V
<<locked>>
97%
54636
88%
**35
100%
Hodgdon LVR 👍
<<locked>>
92%
55724
89%
**81
100%
Hodgdon Superperformance
<<locked>>
93%
55898
90%
**30
98%
Hodgdon VARGET
<<locked>>
88%
55608
89%
**15
100%
Hodgdon TrailBoss
<<locked>>
96%
34214
55%
**57
100%
IMR 3031
<<locked>>
85%
55825
90%
**09
100%
IMR 4064
<<locked>>
89%
55985
90%
**15
100%
IMR 4166 Enduron
<<locked>>
89%
55637
89%
**89
98%
IMR 4350
<<locked>>
95%
55317
89%
**28
98%
IMR 4451 Enduron
<<locked>>
91%
56072
90%
**25
98%
IMR 4831
<<locked>>
97%
51721
83%
**02
100%
IMR 4895
<<locked>>
85%
55753
89%
**51
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47761
77%
**84
93%
[IMR 7828 SSC]*
<<locked>>
97%
46775
75%
**66
93%
Lovex S060
<<locked>>
83%
55434
89%
**66
100%
Lovex S062
<<locked>>
87%
56057
90%
**02
100%
Lovex S065
<<locked>>
93%
56101
90%
**28
99%
Lovex S070
<<locked>>
94%
55376
89%
**28
98%
Lovex S071
<<locked>>
97%
37115
60%
**00
95%
Norma 201
<<locked>>
83%
55782
89%
**95
100%
Norma 202
<<locked>>
83%
55738
89%
**82
100%
Norma 203B
<<locked>>
86%
55840
90%
**45
100%
Norma 204
<<locked>>
95%
55970
90%
**81
97%
Norma MRP
<<locked>>
97%
47065
75%
**22
97%
Norma URP
<<locked>>
95%
55259
89%
**77
100%
Ramshot Big Game
<<locked>>
86%
56043
90%
**68
100%
Ramshot Hunter
<<locked>>
95%
55361
89%
**94
99%
[Ramshot Magnum]*
<<locked>>
97%
42728
69%
**64
94%
ReloadSwiss RS 14
<<locked>>
97%
35099
56%
**06
100%
ReloadSwiss RS 50
<<locked>>
87%
55593
89%
**18
99%
ReloadSwiss RS 52
<<locked>>
86%
55840
90%
**58
100%
ReloadSwiss RS 60
<<locked>>
92%
55405
89%
**56
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
55492
89%
**00
100%
ReloadSwiss RS 70
<<locked>>
95%
55390
89%
**53
100%
Rottweil R 902
<<locked>>
85%
55390
89%
**76
100%
Rottweil R 903
<<locked>>
89%
56057
90%
**31
100%
Rottweil R 904
<<locked>>
97%
53200
85%
**89
95%
Rottweil R 905
<<locked>>
97%
49806
80%
**92
96%
Rottweil R 907
<<locked>>
92%
56014
90%
**22
98%
SNPE Vectan SP 11
<<locked>>
88%
55825
90%
**64
100%
SNPE Vectan SP 9
<<locked>>
84%
55593
89%
**25
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
56057
90%
**07
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
55956
90%
**69
98%
Shooters World Long Rifle
<<locked>>
93%
56101
90%
**28
99%
Shooters World Precision
<<locked>>
87%
56057
90%
**02
100%
Somchem S335
<<locked>>
83%
55796
89%
**13
100%
Somchem S355
<<locked>>
89%
55317
89%
**22
100%
Somchem S361
<<locked>>
97%
55027
88%
**82
95%
Somchem S365 👍
<<locked>>
97%
54882
88%
**87
100%
Somchem S385
<<locked>>
97%
50459
81%
**69
97%
Vihtavuori N133
<<locked>>
85%
55521
89%
**87
100%
Vihtavuori N135
<<locked>>
91%
55970
90%
**49
100%
Vihtavuori N140
<<locked>>
85%
55753
89%
**56
100%
Vihtavuori N150
<<locked>>
94%
55651
89%
**86
100%
Vihtavuori N160
<<locked>>
92%
55753
89%
**35
100%
[Vihtavuori N165]*
<<locked>>
97%
41553
67%
**79
94%
Vihtavuori N540
<<locked>>
86%
55999
90%
**92
100%
Vihtavuori N550 👍
<<locked>>
92%
55941
90%
**87
100%
Vihtavuori N555
<<locked>>
97%
46601
75%
**69
99%
[Vihtavuori N560]*
<<locked>>
97%
44933
72%
**46
92%
Winchester 6.5 StaBALL
<<locked>>
94%
56057
90%
**25
100%
Winchester 760
<<locked>>
90%
55840
90%
**97
98%
Winchester StaBALL HD
<<locked>>
97%
34838
56%
**00
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44715
72%
**15
99%
[ADI AR 2209]*
<<locked>>
86%
36201
58%
**80
90%
[ADI AR 2213]*
<<locked>>
93%
40872
66%
**12
90%
Accurate 2700
<<locked>>
81%
43236
69%
**30
95%
[Accurate 3100]*
<<locked>>
84%
28007
45%
**61
90%
Accurate 4064
<<locked>>
81%
46978
75%
**58
100%
Accurate 4350
<<locked>>
81%
35462
57%
**87
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
44802
72%
**38
100%
Alliant Reloder-15
<<locked>>
81%
48240
77%
**23
100%
Alliant Reloder-16
<<locked>>
81%
35085
56%
**97
96%
Alliant Reloder-17
<<locked>>
81%
39436
63%
**28
99%
[Alliant Reloder-19]*
<<locked>>
86%
35288
57%
**71
90%
[Alliant Reloder-22]*
<<locked>>
90%
35128
56%
**07
90%
[Alliant Reloder-23]*
<<locked>>
81%
25454
41%
**21
93%
[Alliant Reloder-25]*
<<locked>>
89%
29298
47%
**43
90%
[Alliant Reloder-26]*
<<locked>>
81%
27282
44%
**26
90%
Hodgdon CFE223
<<locked>>
81%
47137
76%
**27
99%
Hodgdon H380
<<locked>>
81%
45672
73%
**58
98%
Hodgdon H414
<<locked>>
81%
40843
65%
**08
95%
[Hodgdon H4350]*
<<locked>>
81%
33823
54%
**79
91%
[Hodgdon H4831 SC]*
<<locked>>
92%
41829
67%
**92
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32343
52%
**89
97%
Hodgdon LVR
<<locked>>
81%
38406
62%
**43
96%
[Hodgdon Superperformance]*
<<locked>>
81%
36651
59%
**26
92%
Hodgdon VARGET
<<locked>>
81%
44541
71%
**15
99%
Hodgdon TrailBoss
<<locked>>
81%
27514
44%
**06
100%
IMR 3031
<<locked>>
81%
49168
79%
**07
100%
IMR 4064
<<locked>>
81%
44077
71%
**99
99%
IMR 4166 Enduron
<<locked>>
81%
43323
69%
**56
96%
[IMR 4350]*
<<locked>>
81%
35766
57%
**28
92%
IMR 4451 Enduron
<<locked>>
81%
41539
67%
**43
95%
[IMR 4831]*
<<locked>>
81%
30908
50%
**46
94%
IMR 4895
<<locked>>
81%
49545
79%
**49
100%
[IMR 4955 Enduron]*
<<locked>>
91%
40190
64%
**26
90%
[IMR 7828 SSC]*
<<locked>>
93%
40770
65%
**18
90%
Lovex S060
<<locked>>
81%
51866
83%
**07
100%
Lovex S062
<<locked>>
81%
47166
76%
**61
100%
Lovex S065
<<locked>>
81%
38856
62%
**87
96%
[Lovex S070]*
<<locked>>
81%
37217
60%
**71
94%
[Lovex S071]*
<<locked>>
89%
28297
45%
**61
90%
Norma 201
<<locked>>
81%
51590
83%
**27
100%
Norma 202
<<locked>>
81%
52199
84%
**27
100%
Norma 203B
<<locked>>
81%
47732
77%
**10
100%
[Norma 204]*
<<locked>>
82%
35636
57%
**61
90%
[Norma MRP]*
<<locked>>
86%
32314
52%
**44
90%
Norma URP
<<locked>>
81%
35549
57%
**87
96%
Ramshot Big Game
<<locked>>
81%
47790
77%
**20
100%
[Ramshot Hunter]*
<<locked>>
81%
34490
55%
**61
93%
[Ramshot Magnum]*
<<locked>>
91%
34766
56%
**67
90%
ReloadSwiss RS 14
<<locked>>
81%
27818
45%
**45
100%
ReloadSwiss RS 50
<<locked>>
81%
45832
73%
**41
97%
ReloadSwiss RS 52
<<locked>>
81%
47355
76%
**23
100%
ReloadSwiss RS 60
<<locked>>
81%
38203
61%
**25
99%
ReloadSwiss RS 62
<<locked>>
81%
35085
56%
**97
96%
[ReloadSwiss RS 70]*
<<locked>>
81%
34534
55%
**97
94%
Rottweil R 902
<<locked>>
81%
49284
79%
**81
100%
Rottweil R 903
<<locked>>
81%
42627
68%
**95
99%
[Rottweil R 904]*
<<locked>>
87%
38464
62%
**97
90%
[Rottweil R 905]*
<<locked>>
86%
34577
55%
**51
90%
[Rottweil R 907]*
<<locked>>
81%
40161
64%
**13
94%
SNPE Vectan SP 11
<<locked>>
81%
43758
70%
**54
99%
SNPE Vectan SP 9
<<locked>>
81%
51474
83%
**53
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44498
71%
**26
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38377
62%
**35
94%
Shooters World Long Rifle
<<locked>>
81%
38856
62%
**87
96%
Shooters World Precision
<<locked>>
81%
47166
76%
**61
100%
Somchem S335
<<locked>>
81%
52170
84%
**54
100%
Somchem S355
<<locked>>
81%
42902
69%
**95
99%
[Somchem S361]*
<<locked>>
88%
41394
66%
**26
90%
Somchem S365
<<locked>>
81%
31879
51%
**35
98%
[Somchem S385]*
<<locked>>
83%
32300
52%
**72
90%
Vihtavuori N133
<<locked>>
81%
49792
80%
**05
100%
Vihtavuori N135
<<locked>>
81%
41771
67%
**23
100%
Vihtavuori N140
<<locked>>
81%
48791
78%
**44
100%
Vihtavuori N150
<<locked>>
81%
36811
59%
**35
99%
Vihtavuori N160
<<locked>>
81%
38493
62%
**20
97%
[Vihtavuori N165]*
<<locked>>
90%
33359
53%
**85
90%
Vihtavuori N540
<<locked>>
81%
48602
78%
**74
100%
Vihtavuori N550
<<locked>>
81%
38856
62%
**62
97%
[Vihtavuori N555]*
<<locked>>
81%
27557
44%
**00
93%
[Vihtavuori N560]*
<<locked>>
94%
41336
66%
**61
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36245
58%
**54
98%
Winchester 760
<<locked>>
81%
40843
65%
**08
95%
[Winchester StaBALL HD]*
<<locked>>
83%
23685
38%
**02
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

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