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Load data for .300 Weath. Mag. + .308 | 150gr | Hornady InterBond

Recommended Powder(s):

.300 Weath. Mag. + .308 | 150gr | Hornady InterBond

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Hornady InterBond
Manufacturer SKU:
30309
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B2669_C379
Last updated:
2026-05-29

Load data for 172 loads in caliber .300 Weath. Mag. with .308 | 150gr | Hornady InterBond bullet and 86 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>>
87%
56724
89%
**07
100%
ADI AR 2209
<<locked>>
97%
54766
86%
**63
97%
[ADI AR 2213]*
<<locked>>
97%
49255
77%
**77
94%
Accurate 2495
<<locked>>
83%
57392
90%
**41
100%
Accurate 2700
<<locked>>
85%
57087
89%
**74
98%
Accurate 3100
<<locked>>
97%
48486
76%
**05
98%
Accurate 4064
<<locked>>
85%
56768
89%
**84
100%
Accurate 4350
<<locked>>
92%
56637
89%
**73
100%
[Accurate MAGPRO]*
<<locked>>
97%
49879
78%
**27
93%
Alliant Power Pro 2000-MR
<<locked>>
83%
56840
89%
**51
100%
Alliant Reloder- TS 15.5
<<locked>>
86%
56826
89%
**23
100%
Alliant Reloder-15
<<locked>>
84%
56971
89%
**43
100%
Alliant Reloder-16 👍
<<locked>>
94%
57334
90%
**35
100%
Alliant Reloder-17
<<locked>>
89%
56913
89%
**25
100%
Alliant Reloder-19
<<locked>>
97%
54534
85%
**53
97%
Alliant Reloder-22
<<locked>>
97%
48298
76%
**77
96%
Alliant Reloder-23
<<locked>>
97%
45847
72%
**31
100%
Alliant Reloder-25
<<locked>>
97%
39566
62%
**10
97%
Alliant Reloder-26
<<locked>>
97%
52025
82%
**19
100%
[Bofors RP15]*
<<locked>>
97%
43932
69%
**82
94%
Bofors RP3
<<locked>>
86%
56942
89%
**27
100%
Bofors RP5
<<locked>>
97%
48298
76%
**77
96%
Bofors RP7
<<locked>>
90%
57014
89%
**17
98%
Hodgdon H380
<<locked>>
86%
57130
90%
**40
100%
Hodgdon H414 👍
<<locked>>
91%
57000
89%
**89
99%
Hodgdon H4350
<<locked>>
90%
57377
90%
**66
98%
Hodgdon H4831
<<locked>>
97%
53098
83%
**00
95%
[Hodgdon H4831 SC]*
<<locked>>
97%
51677
81%
**71
94%
Hodgdon Hybrid 100V
<<locked>>
96%
56811
89%
**40
100%
Hodgdon Superperformance
<<locked>>
91%
57348
90%
**35
99%
Hodgdon LEVERevolution
<<locked>>
83%
57174
90%
**63
100%
Hodgdon TrailBoss
<<locked>>
97%
34766
54%
**39
100%
IMR 4064
<<locked>>
85%
56898
89%
**10
100%
IMR 4166 Enduron
<<locked>>
84%
57421
90%
**00
99%
IMR 4350
<<locked>>
94%
56869
89%
**27
98%
IMR 4451 Enduron
<<locked>>
89%
57217
90%
**20
99%
IMR 4831
<<locked>>
94%
57174
90%
**56
100%
IMR 4895
<<locked>>
84%
57145
90%
**56
100%
IMR 4955 Enduron
<<locked>>
97%
54375
85%
**84
95%
[IMR 7828 SSC]*
<<locked>>
97%
46905
74%
**45
93%
Lovex S062
<<locked>>
85%
57232
90%
**97
100%
Lovex S065
<<locked>>
92%
57203
90%
**23
100%
Lovex S070
<<locked>>
92%
56695
89%
**30
99%
Lovex S071
<<locked>>
97%
40176
63%
**35
96%
Norma 203B
<<locked>>
85%
57000
89%
**43
100%
Norma 204
<<locked>>
93%
56666
89%
**73
97%
Norma MRP
<<locked>>
97%
51300
80%
**79
98%
Norma URP
<<locked>>
93%
56913
89%
**76
100%
Ramshot Big Game
<<locked>>
84%
56927
89%
**50
100%
[Ramshot Grand]*
<<locked>>
97%
46876
73%
**48
94%
Ramshot Hunter 👍
<<locked>>
94%
57014
89%
**96
99%
[Ramshot Magnum]*
<<locked>>
97%
41713
65%
**13
94%
ReloadSwiss RS 14
<<locked>>
96%
35317
55%
**82
100%
ReloadSwiss RS 50
<<locked>>
86%
56811
89%
**20
99%
ReloadSwiss RS 60
<<locked>>
88%
56768
89%
**32
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
56884
89%
**96
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
57392
90%
**55
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
38479
60%
**00
93%
Rottweil R 902
<<locked>>
84%
57435
90%
**91
100%
Rottweil R 903
<<locked>>
88%
56695
89%
**23
100%
Rottweil R 904
<<locked>>
97%
56739
89%
**36
96%
Rottweil R 905
<<locked>>
97%
53200
83%
**33
97%
Rottweil R 907
<<locked>>
90%
57014
89%
**17
98%
SNPE Vectan SP 11
<<locked>>
87%
56695
89%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
57203
90%
**95
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
57116
89%
**74
99%
SNPE Vectan Tubal 8000
<<locked>>
97%
52707
83%
**23
97%
Shooters World Long Rifle
<<locked>>
92%
57203
90%
**23
100%
Shooters World Precision
<<locked>>
85%
57232
90%
**97
100%
Somchem S355
<<locked>>
88%
57043
89%
**23
100%
Somchem S361
<<locked>>
96%
57116
90%
**97
95%
Somchem S365
<<locked>>
96%
56710
89%
**92
100%
Somchem S385
<<locked>>
97%
54215
85%
**04
98%
Vihtavuori N135
<<locked>>
85%
57217
90%
**41
100%
Vihtavuori N140
<<locked>>
84%
56898
89%
**41
100%
Vihtavuori N150
<<locked>>
89%
57334
90%
**81
100%
Vihtavuori N160
<<locked>>
92%
57029
89%
**40
100%
Vihtavuori N165
<<locked>>
97%
46949
74%
**56
96%
Vihtavuori N540
<<locked>>
85%
57000
89%
**68
100%
Vihtavuori N550
<<locked>>
92%
56840
89%
**50
100%
Vihtavuori N555
<<locked>>
97%
50792
80%
**07
100%
[Vihtavuori N560]*
<<locked>>
97%
51474
81%
**56
94%
Winchester 6.5 StaBALL
<<locked>>
92%
57087
89%
**07
100%
Winchester 760
<<locked>>
91%
57000
89%
**89
99%
Winchester StaBALL HD
<<locked>>
97%
39740
62%
**58
100%
Winchester Supreme 780
<<locked>>
97%
50981
80%
**38
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47224
74%
**40
99%
[ADI AR 2209]*
<<locked>>
83%
35302
55%
**33
90%
[ADI AR 2213]*
<<locked>>
91%
40190
63%
**71
90%
Accurate 2495
<<locked>>
81%
53229
83%
**79
100%
Accurate 2700
<<locked>>
81%
50720
79%
**69
97%
[Accurate 3100]*
<<locked>>
81%
27934
44%
**07
90%
Accurate 4064
<<locked>>
81%
50401
79%
**82
100%
Accurate 4350
<<locked>>
81%
38189
60%
**12
97%
[Accurate MAGPRO]*
<<locked>>
92%
42221
66%
**56
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
52562
82%
**79
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
47819
75%
**72
100%
Alliant Reloder-15
<<locked>>
81%
51097
80%
**48
100%
Alliant Reloder-16
<<locked>>
81%
37289
58%
**25
97%
Alliant Reloder-17
<<locked>>
81%
42337
66%
**66
100%
[Alliant Reloder-19]*
<<locked>>
83%
34505
54%
**13
90%
[Alliant Reloder-22]*
<<locked>>
87%
34650
54%
**59
90%
[Alliant Reloder-23]*
<<locked>>
81%
27267
43%
**43
94%
[Alliant Reloder-25]*
<<locked>>
86%
28601
45%
**82
90%
[Alliant Reloder-26]*
<<locked>>
81%
29080
46%
**44
92%
[Bofors RP15]*
<<locked>>
90%
35230
55%
**66
90%
Bofors RP3
<<locked>>
81%
48341
76%
**82
100%
[Bofors RP5]*
<<locked>>
87%
34650
54%
**59
90%
Bofors RP7
<<locked>>
81%
42322
66%
**31
95%
Hodgdon H380
<<locked>>
81%
48617
76%
**89
99%
Hodgdon H414
<<locked>>
81%
40219
63%
**58
95%
[Hodgdon H4350]*
<<locked>>
81%
43439
68%
**94
94%
[Hodgdon H4831]*
<<locked>>
89%
40756
64%
**38
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
40756
64%
**38
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34693
54%
**10
98%
[Hodgdon Superperformance]*
<<locked>>
81%
39233
61%
**67
94%
Hodgdon LEVERevolution
<<locked>>
81%
53243
83%
**04
100%
Hodgdon TrailBoss
<<locked>>
81%
27543
43%
**75
100%
IMR 4064
<<locked>>
81%
49734
78%
**79
100%
IMR 4166 Enduron
<<locked>>
81%
52301
82%
**15
98%
[IMR 4350]*
<<locked>>
81%
38058
60%
**56
93%
IMR 4451 Enduron
<<locked>>
81%
43874
69%
**67
96%
IMR 4831
<<locked>>
81%
36666
57%
**56
97%
IMR 4895
<<locked>>
81%
52489
82%
**74
100%
[IMR 4955 Enduron]*
<<locked>>
87%
39639
62%
**76
90%
[IMR 7828 SSC]*
<<locked>>
92%
39378
62%
**67
90%
Lovex S062
<<locked>>
81%
49864
78%
**82
100%
Lovex S065
<<locked>>
81%
41365
65%
**22
97%
Lovex S070
<<locked>>
81%
39523
62%
**95
95%
[Lovex S071]*
<<locked>>
85%
27775
44%
**03
90%
Norma 203B
<<locked>>
81%
50589
79%
**35
100%
[Norma 204]*
<<locked>>
81%
37449
59%
**72
91%
[Norma MRP]*
<<locked>>
83%
31691
50%
**97
90%
Norma URP
<<locked>>
81%
37927
59%
**08
97%
Ramshot Big Game
<<locked>>
81%
50923
80%
**51
100%
[Ramshot Grand]*
<<locked>>
92%
39102
61%
**67
90%
Ramshot Hunter
<<locked>>
81%
36927
58%
**92
95%
[Ramshot Magnum]*
<<locked>>
91%
33939
53%
**10
90%
ReloadSwiss RS 14
<<locked>>
81%
28094
44%
**18
100%
ReloadSwiss RS 50
<<locked>>
81%
48762
76%
**76
98%
ReloadSwiss RS 60
<<locked>>
81%
44991
70%
**25
100%
ReloadSwiss RS 62
<<locked>>
81%
38000
60%
**28
97%
ReloadSwiss RS 70
<<locked>>
81%
36999
58%
**31
96%
[ReloadSwiss RS 76]*
<<locked>>
93%
33982
53%
**62
90%
Rottweil R 902
<<locked>>
81%
52112
82%
**05
100%
Rottweil R 903
<<locked>>
81%
45397
71%
**27
100%
[Rottweil R 904]*
<<locked>>
84%
37579
59%
**43
90%
[Rottweil R 905]*
<<locked>>
83%
33997
53%
**03
90%
Rottweil R 907
<<locked>>
81%
42322
66%
**31
95%
SNPE Vectan SP 11
<<locked>>
81%
46543
73%
**76
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46847
73%
**38
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40538
64%
**56
95%
[SNPE Vectan Tubal 8000]*
<<locked>>
84%
34069
53%
**10
90%
Shooters World Long Rifle
<<locked>>
81%
41365
65%
**22
97%
Shooters World Precision
<<locked>>
81%
49864
78%
**82
100%
Somchem S355
<<locked>>
81%
45745
72%
**20
100%
[Somchem S361]*
<<locked>>
85%
39842
62%
**66
90%
Somchem S365
<<locked>>
81%
34389
54%
**59
99%
[Somchem S385]*
<<locked>>
81%
31952
50%
**21
90%
Vihtavuori N135
<<locked>>
81%
49690
78%
**23
100%
Vihtavuori N140
<<locked>>
81%
52330
82%
**72
100%
Vihtavuori N150
<<locked>>
81%
43642
68%
**44
100%
Vihtavuori N160
<<locked>>
81%
39378
62%
**08
97%
[Vihtavuori N165]*
<<locked>>
86%
32547
51%
**28
90%
Vihtavuori N540
<<locked>>
81%
50517
79%
**63
100%
Vihtavuori N550
<<locked>>
81%
38928
61%
**08
97%
[Vihtavuori N555]*
<<locked>>
81%
29776
47%
**18
94%
[Vihtavuori N560]*
<<locked>>
90%
40306
63%
**04
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38696
61%
**82
99%
Winchester 760
<<locked>>
81%
40219
63%
**58
95%
[Winchester StaBALL HD]*
<<locked>>
81%
24134
38%
**80
91%
[Winchester Supreme 780]*
<<locked>>
86%
35027
55%
**97
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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