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Load data for .300 Weath. Mag. + .308 | 155gr | Sierra HPBT Palma MK

Recommended Powder(s): Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 Weath. Mag. + .308 | 155gr | Sierra HPBT Palma MK

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | Sierra HPBT Palma MK
Manufacturer SKU:
2156
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.198" | 30.4mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.515" | 13.1mm
Shank Seated Depth:
0.335" | 8.5mm
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_B5878_C379
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 158 loads in caliber .300 Weath. Mag. with .308 | 155gr | Sierra HPBT Palma MK bullet and 79 powders such as Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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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  • .

    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.

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>>
86%
57421
90%
**77
100%
ADI AR 2209
<<locked>>
97%
57319
90%
**59
98%
ADI AR 2213
<<locked>>
97%
51517
81%
**84
95%
Accurate 2700
<<locked>>
87%
57116
90%
**31
99%
Accurate 3100
<<locked>>
97%
51111
80%
**09
99%
Accurate 4064
<<locked>>
84%
57421
90%
**48
100%
Accurate 4350
<<locked>>
91%
57319
90%
**40
100%
[Accurate MAGPRO]*
<<locked>>
97%
49893
78%
**74
93%
Alliant Reloder- TS 15.5
<<locked>>
86%
57261
90%
**91
100%
Alliant Reloder-15
<<locked>>
83%
57029
89%
**04
100%
Alliant Reloder-16 👍
<<locked>>
93%
57203
90%
**82
100%
Alliant Reloder-17
<<locked>>
88%
57305
90%
**92
100%
Alliant Reloder-19
<<locked>>
97%
56913
89%
**59
98%
Alliant Reloder-22
<<locked>>
97%
50488
79%
**87
97%
Alliant Reloder-23
<<locked>>
97%
47630
75%
**28
100%
Alliant Reloder-25
<<locked>>
97%
41582
65%
**23
98%
Alliant Reloder-26
<<locked>>
97%
55288
87%
**28
100%
Hodgdon CFE223
<<locked>>
83%
57043
89%
**33
100%
Hodgdon H380
<<locked>>
85%
57246
90%
**07
100%
Hodgdon H414
<<locked>>
87%
56898
89%
**50
99%
Hodgdon H4350
<<locked>>
94%
57116
90%
**94
99%
[Hodgdon H4831]*
<<locked>>
97%
47456
74%
**56
93%
Hodgdon H4831 SC
<<locked>>
97%
54070
85%
**84
95%
Hodgdon Hybrid 100V
<<locked>>
94%
56898
89%
**97
100%
Hodgdon LVR
<<locked>>
90%
56652
89%
**30
100%
Hodgdon Superperformance 👍
<<locked>>
90%
56797
89%
**76
99%
Hodgdon VARGET
<<locked>>
86%
57421
90%
**77
100%
Hodgdon TrailBoss
<<locked>>
96%
34751
54%
**16
100%
IMR 4064
<<locked>>
86%
56956
89%
**68
100%
IMR 4166 Enduron
<<locked>>
87%
57043
89%
**61
99%
IMR 4350
<<locked>>
93%
57305
90%
**97
99%
IMR 4451 Enduron
<<locked>>
88%
56869
89%
**81
99%
IMR 4831
<<locked>>
97%
57334
90%
**23
100%
IMR 4955 Enduron
<<locked>>
97%
52605
82%
**15
95%
IMR 7828 SSC
<<locked>>
97%
53229
83%
**33
96%
Lovex S062
<<locked>>
84%
56913
89%
**51
100%
Lovex S065
<<locked>>
90%
57072
89%
**84
100%
Lovex S070
<<locked>>
91%
56753
89%
**97
99%
Lovex S071
<<locked>>
97%
42293
66%
**41
97%
Norma 203B
<<locked>>
84%
56884
89%
**00
100%
Norma 204
<<locked>>
92%
57261
90%
**33
98%
Norma MRP
<<locked>>
97%
53461
84%
**73
99%
Norma URP
<<locked>>
92%
56985
89%
**43
100%
Ramshot Big Game
<<locked>>
83%
57217
90%
**10
100%
Ramshot Hunter 👍
<<locked>>
92%
56724
89%
**50
100%
Ramshot Magnum
<<locked>>
97%
48994
77%
**31
97%
ReloadSwiss RS 14
<<locked>>
96%
35346
55%
**55
100%
ReloadSwiss RS 50
<<locked>>
85%
56913
89%
**81
99%
ReloadSwiss RS 52
<<locked>>
83%
57014
89%
**04
100%
ReloadSwiss RS 60
<<locked>>
89%
57232
90%
**19
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
57101
89%
**63
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
56869
89%
**12
100%
ReloadSwiss RS 76
<<locked>>
97%
40538
64%
**33
95%
Rottweil R 903
<<locked>>
87%
57159
90%
**81
100%
Rottweil R 904
<<locked>>
96%
56956
89%
**07
97%
Rottweil R 905
<<locked>>
97%
55869
88%
**33
98%
Rottweil R 907
<<locked>>
89%
57217
90%
**84
99%
SNPE Vectan SP 11
<<locked>>
86%
57290
90%
**17
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56826
89%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
56971
89%
**31
99%
Shooters World Long Rifle
<<locked>>
90%
57072
89%
**84
100%
Shooters World Precision
<<locked>>
84%
56913
89%
**51
100%
Somchem S355
<<locked>>
87%
56884
89%
**77
100%
Somchem S361
<<locked>>
95%
57000
89%
**64
96%
Somchem S365
<<locked>>
94%
56884
89%
**46
100%
Somchem S385
<<locked>>
97%
56782
89%
**14
99%
Vihtavuori N133
<<locked>>
83%
57014
89%
**40
100%
Vihtavuori N135
<<locked>>
88%
57116
89%
**89
100%
Vihtavuori N150
<<locked>>
92%
57348
90%
**38
100%
Vihtavuori N160
<<locked>>
89%
56753
89%
**97
100%
Vihtavuori N165
<<locked>>
97%
47355
74%
**36
97%
Vihtavuori N540
<<locked>>
83%
57145
90%
**35
100%
Vihtavuori N550
<<locked>>
89%
56811
89%
**36
100%
Vihtavuori N555
<<locked>>
97%
53113
83%
**04
100%
Vihtavuori N560
<<locked>>
97%
50734
80%
**00
95%
[Vihtavuori N565]*
<<locked>>
97%
43192
68%
**33
93%
Winchester 6.5 StaBALL
<<locked>>
91%
57188
90%
**71
100%
Winchester 760
<<locked>>
87%
56898
89%
**50
99%
Winchester StaBALL HD
<<locked>>
97%
42757
67%
**77
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49095
77%
**40
100%
[ADI AR 2209]*
<<locked>>
81%
34490
54%
**77
90%
[ADI AR 2213]*
<<locked>>
88%
38218
60%
**92
90%
Accurate 2700
<<locked>>
81%
47224
74%
**61
97%
[Accurate 3100]*
<<locked>>
81%
29370
46%
**16
92%
Accurate 4064
<<locked>>
81%
52286
82%
**66
100%
Accurate 4350
<<locked>>
81%
40001
63%
**15
98%
[Accurate MAGPRO]*
<<locked>>
93%
42859
67%
**23
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49545
78%
**59
100%
Alliant Reloder-15
<<locked>>
81%
52968
83%
**35
100%
Alliant Reloder-16
<<locked>>
81%
38769
61%
**28
98%
Alliant Reloder-17
<<locked>>
81%
44425
70%
**72
100%
[Alliant Reloder-19]*
<<locked>>
81%
33765
53%
**57
90%
[Alliant Reloder-22]*
<<locked>>
85%
33605
53%
**87
90%
Alliant Reloder-23
<<locked>>
81%
28442
45%
**52
96%
[Alliant Reloder-25]*
<<locked>>
84%
27717
43%
**16
90%
[Alliant Reloder-26]*
<<locked>>
81%
30589
48%
**61
94%
Hodgdon CFE223
<<locked>>
81%
52460
82%
**61
100%
Hodgdon H380
<<locked>>
81%
50705
79%
**92
99%
Hodgdon H414
<<locked>>
81%
45687
72%
**40
97%
[Hodgdon H4350]*
<<locked>>
81%
37550
59%
**07
94%
[Hodgdon H4831]*
<<locked>>
91%
39291
62%
**76
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
39044
61%
**72
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36245
57%
**10
99%
Hodgdon LVR
<<locked>>
81%
42728
67%
**71
98%
Hodgdon Superperformance
<<locked>>
81%
40959
64%
**64
95%
Hodgdon VARGET
<<locked>>
81%
48631
76%
**30
100%
Hodgdon TrailBoss
<<locked>>
81%
27659
43%
**52
100%
IMR 4064
<<locked>>
81%
48167
75%
**13
100%
IMR 4166 Enduron
<<locked>>
81%
47239
74%
**81
97%
IMR 4350
<<locked>>
81%
39436
62%
**56
95%
IMR 4451 Enduron
<<locked>>
81%
45426
71%
**64
97%
IMR 4831
<<locked>>
81%
34838
55%
**80
97%
[IMR 4955 Enduron]*
<<locked>>
86%
38218
60%
**10
90%
[IMR 7828 SSC]*
<<locked>>
88%
38319
60%
**08
90%
Lovex S062
<<locked>>
81%
51576
81%
**66
100%
Lovex S065
<<locked>>
81%
42946
67%
**18
98%
Lovex S070
<<locked>>
81%
41118
64%
**92
96%
[Lovex S071]*
<<locked>>
83%
27006
42%
**41
90%
Norma 203B
<<locked>>
81%
52330
82%
**22
100%
[Norma 204]*
<<locked>>
81%
38812
61%
**69
93%
[Norma MRP]*
<<locked>>
81%
30792
48%
**41
90%
Norma URP
<<locked>>
81%
39784
62%
**08
98%
Ramshot Big Game
<<locked>>
81%
53098
83%
**48
100%
Ramshot Hunter
<<locked>>
81%
38479
60%
**92
96%
[Ramshot Magnum]*
<<locked>>
86%
32518
51%
**35
90%
ReloadSwiss RS 14
<<locked>>
81%
28253
44%
**95
100%
ReloadSwiss RS 50
<<locked>>
81%
50589
79%
**76
99%
ReloadSwiss RS 52
<<locked>>
81%
52431
82%
**41
100%
ReloadSwiss RS 60
<<locked>>
81%
42917
67%
**59
100%
ReloadSwiss RS 62
<<locked>>
81%
39740
62%
**35
98%
ReloadSwiss RS 70
<<locked>>
81%
38696
61%
**35
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
32532
51%
**00
90%
Rottweil R 903
<<locked>>
81%
47326
74%
**17
100%
[Rottweil R 904]*
<<locked>>
82%
36666
57%
**87
90%
[Rottweil R 905]*
<<locked>>
81%
33214
52%
**54
90%
Rottweil R 907
<<locked>>
81%
44005
69%
**35
96%
SNPE Vectan SP 11
<<locked>>
81%
48472
76%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48443
76%
**22
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41974
66%
**53
96%
Shooters World Long Rifle
<<locked>>
81%
42946
67%
**18
98%
Shooters World Precision
<<locked>>
81%
51576
81%
**66
100%
Somchem S355
<<locked>>
81%
47514
74%
**23
100%
[Somchem S361]*
<<locked>>
83%
38580
60%
**97
90%
Somchem S365
<<locked>>
81%
36114
57%
**62
100%
[Somchem S385]*
<<locked>>
81%
33504
52%
**31
92%
Vihtavuori N133
<<locked>>
81%
53737
84%
**97
100%
Vihtavuori N135
<<locked>>
81%
46166
72%
**22
100%
Vihtavuori N150
<<locked>>
81%
40770
64%
**53
100%
Vihtavuori N160
<<locked>>
81%
42801
67%
**44
99%
[Vihtavuori N165]*
<<locked>>
85%
31749
50%
**69
90%
Vihtavuori N540
<<locked>>
81%
53301
84%
**79
100%
Vihtavuori N550
<<locked>>
81%
43584
68%
**94
99%
Vihtavuori N555
<<locked>>
81%
31560
49%
**35
96%
[Vihtavuori N560]*
<<locked>>
89%
38711
61%
**35
90%
[Vihtavuori N565]*
<<locked>>
93%
37565
59%
**99
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40234
63%
**72
100%
Winchester 760
<<locked>>
81%
45687
72%
**40
97%
[Winchester StaBALL HD]*
<<locked>>
81%
25077
39%
**03
93%

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.

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