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Load data for .300 Weath. Mag. + .308 | 170gr | Speer Deep Curl Flat Points

Recommended Powder(s):

.300 Weath. Mag. + .308 | 170gr | Speer Deep Curl Flat Points

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Speer Deep Curl Flat Points
Manufacturer SKU:
2042
Bullet Weight:
170gr | 11.0g
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_B6164_C379
Last updated:
2026-03-07

Load data for 156 loads in caliber .300 Weath. Mag. with .308 | 170gr | Speer Deep Curl Flat Points bullet and 78 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>>
84%
57246
90%
**53
100%
ADI AR 2209
<<locked>>
95%
57334
90%
**45
99%
ADI AR 2213
<<locked>>
97%
55651
87%
**61
98%
[ADI AR 2217]*
<<locked>>
97%
40524
64%
**43
93%
ADI AR 2225
<<locked>>
97%
36143
57%
**84
95%
Accurate 2700
<<locked>>
85%
57377
90%
**20
99%
Accurate 3100
<<locked>>
97%
55695
87%
**66
100%
Accurate 4350
<<locked>>
89%
57058
89%
**02
100%
Accurate MAGPRO
<<locked>>
97%
54578
86%
**51
96%
Alliant Reloder- TS 15.5
<<locked>>
83%
57145
90%
**63
100%
Alliant Reloder-16
<<locked>>
91%
57406
90%
**54
100%
Alliant Reloder-17
<<locked>>
86%
56594
89%
**51
100%
Alliant Reloder-19
<<locked>>
95%
57058
89%
**48
99%
Alliant Reloder-22
<<locked>>
97%
55201
87%
**51
99%
Alliant Reloder-23
<<locked>>
97%
52156
82%
**76
100%
Alliant Reloder-25
<<locked>>
97%
45237
71%
**97
99%
Alliant Reloder-26 👍
<<locked>>
95%
57217
90%
**30
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
54563
86%
**59
94%
Bofors RP15
<<locked>>
97%
50459
79%
**72
98%
[Bofors RP30]*
<<locked>>
97%
41640
65%
**18
94%
Bofors RP5
<<locked>>
97%
55201
87%
**51
99%
Bofors RP7
<<locked>>
87%
56927
89%
**56
99%
[Hodgdon H1000]*
<<locked>>
97%
40524
64%
**43
93%
Hodgdon H414
<<locked>>
85%
57087
89%
**28
100%
Hodgdon H4350
<<locked>>
92%
56985
89%
**79
99%
Hodgdon H4831
<<locked>>
97%
51300
80%
**20
96%
Hodgdon H4831 SC
<<locked>>
96%
56869
89%
**15
97%
Hodgdon Hybrid 100V
<<locked>>
92%
56898
89%
**66
100%
Hodgdon LVR
<<locked>>
88%
57392
90%
**15
100%
Hodgdon Retumbo
<<locked>>
97%
36143
57%
**84
95%
Hodgdon Superperformance
<<locked>>
88%
57276
90%
**64
100%
Hodgdon VARGET
<<locked>>
84%
57058
89%
**56
100%
Hodgdon TrailBoss
<<locked>>
96%
35128
55%
**37
100%
IMR 4064
<<locked>>
85%
57188
90%
**43
100%
IMR 4166 Enduron
<<locked>>
85%
57188
90%
**46
100%
IMR 4350
<<locked>>
90%
57000
89%
**76
99%
IMR 4451 Enduron
<<locked>>
86%
56942
89%
**66
100%
IMR 4831
<<locked>>
94%
56710
89%
**92
100%
IMR 4955 Enduron
<<locked>>
97%
56318
88%
**79
97%
IMR 7828 SSC
<<locked>>
97%
56840
89%
**84
98%
Lovex S065
<<locked>>
88%
57406
90%
**63
100%
Lovex S070
<<locked>>
89%
57159
90%
**86
100%
Lovex S071
<<locked>>
97%
46064
72%
**08
99%
Norma 204 👍
<<locked>>
90%
57363
90%
**18
99%
Norma MRP
<<locked>>
96%
57101
89%
**07
100%
Norma URP
<<locked>>
90%
57043
89%
**18
100%
Ramshot Grand
<<locked>>
95%
57072
89%
**97
98%
Ramshot Hunter 👍
<<locked>>
90%
57058
89%
**35
100%
Ramshot Magnum
<<locked>>
97%
53621
84%
**05
99%
ReloadSwiss RS 14
<<locked>>
96%
35795
56%
**80
100%
ReloadSwiss RS 60
<<locked>>
84%
57392
90%
**54
100%
ReloadSwiss RS 62
<<locked>>
89%
57087
89%
**31
100%
ReloadSwiss RS 70
<<locked>>
90%
56840
89%
**81
100%
ReloadSwiss RS 76
<<locked>>
97%
44237
69%
**33
98%
Rottweil R 903
<<locked>>
84%
56550
89%
**46
100%
Rottweil R 904
<<locked>>
93%
56927
89%
**92
98%
Rottweil R 905
<<locked>>
95%
56797
89%
**31
99%
Rottweil R 907
<<locked>>
87%
56927
89%
**56
99%
SNPE Vectan SP 11
<<locked>>
84%
57203
90%
**99
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
57116
90%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57319
90%
**17
100%
Shooters World Long Rifle
<<locked>>
88%
57406
90%
**63
100%
Somchem S355
<<locked>>
85%
56666
89%
**49
100%
Somchem S361
<<locked>>
93%
57377
90%
**59
97%
Somchem S365
<<locked>>
92%
56797
89%
**18
100%
Somchem S385
<<locked>>
95%
57072
89%
**99
99%
Vihtavuori N135
<<locked>>
86%
57087
89%
**64
100%
Vihtavuori N150
<<locked>>
90%
56956
89%
**13
100%
Vihtavuori N160
<<locked>>
87%
56956
89%
**72
100%
Vihtavuori N165
<<locked>>
97%
51068
80%
**97
98%
Vihtavuori N550
<<locked>>
87%
57188
90%
**22
100%
Vihtavuori N555 👍
<<locked>>
96%
57188
90%
**41
100%
Vihtavuori N560
<<locked>>
97%
55448
87%
**77
97%
Vihtavuori N565
<<locked>>
97%
47456
74%
**17
96%
Winchester 6.5 StaBALL
<<locked>>
89%
57290
90%
**49
100%
Winchester 760
<<locked>>
85%
57087
89%
**28
100%
Winchester StaBALL HD 👍
<<locked>>
97%
48573
76%
**41
100%
Winchester Supreme 780
<<locked>>
94%
57174
90%
**95
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52098
82%
**71
100%
[ADI AR 2209]*
<<locked>>
81%
36637
57%
**38
93%
[ADI AR 2213]*
<<locked>>
83%
34795
55%
**08
90%
[ADI AR 2217]*
<<locked>>
93%
35302
55%
**08
90%
[ADI AR 2225]*
<<locked>>
90%
29240
46%
**77
90%
Accurate 2700
<<locked>>
81%
50444
79%
**05
98%
Accurate 3100
<<locked>>
81%
32213
50%
**97
95%
Accurate 4350
<<locked>>
81%
43555
68%
**76
99%
[Accurate MAGPRO]*
<<locked>>
88%
39363
62%
**43
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53156
83%
**00
100%
Alliant Reloder-16
<<locked>>
81%
42003
66%
**85
99%
Alliant Reloder-17
<<locked>>
81%
48138
75%
**07
100%
[Alliant Reloder-19]*
<<locked>>
81%
36448
57%
**25
93%
[Alliant Reloder-22]*
<<locked>>
81%
32242
51%
**56
91%
Alliant Reloder-23
<<locked>>
81%
31053
49%
**33
98%
[Alliant Reloder-25]*
<<locked>>
81%
27238
43%
**21
92%
Alliant Reloder-26
<<locked>>
81%
33649
53%
**57
97%
[Baschieri & Pellagri 109]*
<<locked>>
90%
43830
69%
**36
90%
[Bofors RP15]*
<<locked>>
82%
31169
49%
**16
90%
[Bofors RP30]*
<<locked>>
90%
32866
52%
**92
90%
[Bofors RP5]*
<<locked>>
81%
32242
51%
**56
91%
Bofors RP7
<<locked>>
81%
46876
73%
**89
98%
[Hodgdon H1000]*
<<locked>>
93%
35302
55%
**08
90%
Hodgdon H414
<<locked>>
81%
49429
77%
**07
99%
Hodgdon H4350
<<locked>>
81%
40437
63%
**74
96%
[Hodgdon H4831]*
<<locked>>
86%
35795
56%
**92
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
35940
56%
**92
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39537
62%
**67
100%
Hodgdon LVR
<<locked>>
81%
46224
72%
**25
99%
[Hodgdon Retumbo]*
<<locked>>
90%
29240
46%
**77
90%
Hodgdon Superperformance
<<locked>>
81%
44556
70%
**44
98%
Hodgdon VARGET
<<locked>>
81%
51909
81%
**71
100%
Hodgdon TrailBoss
<<locked>>
81%
28036
44%
**83
100%
IMR 4064
<<locked>>
81%
51242
80%
**51
100%
IMR 4166 Enduron
<<locked>>
81%
50270
79%
**31
99%
IMR 4350
<<locked>>
81%
42424
66%
**10
97%
IMR 4451 Enduron
<<locked>>
81%
48486
76%
**18
98%
IMR 4831
<<locked>>
81%
37942
59%
**44
98%
[IMR 4955 Enduron]*
<<locked>>
81%
35099
55%
**39
90%
[IMR 7828 SSC]*
<<locked>>
82%
34940
55%
**21
90%
Lovex S065
<<locked>>
81%
45948
72%
**62
99%
Lovex S070
<<locked>>
81%
44092
69%
**46
98%
[Lovex S071]*
<<locked>>
81%
27586
43%
**69
92%
Norma 204
<<locked>>
81%
42032
66%
**46
95%
[Norma MRP]*
<<locked>>
81%
33634
53%
**18
94%
Norma URP
<<locked>>
81%
42888
67%
**62
99%
[Ramshot Grand]*
<<locked>>
81%
34200
54%
**08
90%
Ramshot Hunter
<<locked>>
81%
41800
66%
**56
98%
[Ramshot Magnum]*
<<locked>>
81%
29805
47%
**74
90%
ReloadSwiss RS 14
<<locked>>
81%
28631
45%
**26
100%
ReloadSwiss RS 60
<<locked>>
81%
51213
80%
**69
100%
ReloadSwiss RS 62
<<locked>>
81%
43439
68%
**99
99%
ReloadSwiss RS 70
<<locked>>
81%
41713
65%
**02
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
30066
47%
**33
90%
Rottweil R 903
<<locked>>
81%
50836
80%
**58
100%
[Rottweil R 904]*
<<locked>>
81%
38014
60%
**25
92%
[Rottweil R 905]*
<<locked>>
81%
35737
56%
**12
93%
Rottweil R 907
<<locked>>
81%
46876
73%
**89
98%
SNPE Vectan SP 11
<<locked>>
81%
52214
82%
**17
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51198
80%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45034
71%
**13
98%
Shooters World Long Rifle
<<locked>>
81%
45948
72%
**62
99%
Somchem S355
<<locked>>
81%
50894
80%
**54
100%
[Somchem S361]*
<<locked>>
81%
38537
60%
**98
92%
Somchem S365
<<locked>>
81%
39624
62%
**20
100%
Somchem S385
<<locked>>
81%
36463
57%
**05
95%
Vihtavuori N135
<<locked>>
81%
49298
77%
**53
100%
Vihtavuori N150
<<locked>>
81%
43482
68%
**97
100%
Vihtavuori N160
<<locked>>
81%
46296
73%
**95
100%
[Vihtavuori N165]*
<<locked>>
81%
30371
48%
**38
91%
Vihtavuori N550
<<locked>>
81%
46673
73%
**38
100%
Vihtavuori N555
<<locked>>
81%
34548
54%
**05
98%
[Vihtavuori N560]*
<<locked>>
84%
35621
56%
**54
90%
[Vihtavuori N565]*
<<locked>>
88%
34780
55%
**28
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43439
68%
**30
100%
Winchester 760
<<locked>>
81%
49429
77%
**07
99%
Winchester StaBALL HD
<<locked>>
81%
25498
40%
**10
97%
[Winchester Supreme 780]*
<<locked>>
81%
36158
57%
**98
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.

<<locked>>... you need to buy an access license to unlock the data

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