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Load data for .300 Weath. Mag. + .308 | 85gr | Sierra FMJ RN SportsMaster

Recommended Powder(s):

.300 Weath. Mag. + .308 | 85gr | Sierra FMJ RN SportsMaster

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 85gr | Sierra FMJ RN SportsMaster
Manufacturer SKU:
8005
Bullet Weight:
85gr | 5.5g
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_B5858_C379
Last updated:
2026-01-29

Load data for 180 loads in caliber .300 Weath. Mag. with .308 | 85gr | Sierra FMJ RN SportsMaster bullet and 90 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".

  • No data yet

  • 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 2206H
<<locked>>
91%
56884
89%
**14
98%
ADI AR 2208
<<locked>>
97%
57319
90%
**85
97%
Accurate 2015
<<locked>>
88%
57203
90%
**35
100%
Accurate 2200
<<locked>>
90%
57348
90%
**71
97%
Accurate 2230
<<locked>>
85%
57261
90%
**58
99%
Accurate 2460
<<locked>>
86%
56840
89%
**58
99%
Accurate 2495
<<locked>>
91%
56956
89%
**91
100%
Accurate 2520 👍
<<locked>>
90%
56869
89%
**91
100%
[Accurate 2700]*
<<locked>>
97%
57276
90%
**63
93%
Accurate 4064
<<locked>>
97%
56797
89%
**85
100%
[Accurate 4350]*
<<locked>>
97%
43265
68%
**29
93%
Alliant AR-Comp
<<locked>>
90%
56884
89%
**88
100%
Alliant Power Pro 2000-MR
<<locked>>
93%
57029
89%
**26
97%
Alliant Reloder- TS 15.5
<<locked>>
97%
56927
89%
**04
99%
Alliant Reloder-10x
<<locked>>
86%
57334
90%
**81
100%
Alliant Reloder-15
<<locked>>
94%
56884
89%
**14
97%
[Alliant Reloder-16]*
<<locked>>
97%
43627
68%
**65
93%
Alliant Reloder-17
<<locked>>
97%
50850
80%
**75
97%
Baschieri & Pellagri 106
<<locked>>
84%
56971
89%
**53
100%
Baschieri & Pellagri 107
<<locked>>
91%
57029
89%
**91
97%
Bofors RP3
<<locked>>
97%
56884
89%
**04
99%
Hodgdon BL-C2
<<locked>>
89%
56840
89%
**98
99%
Hodgdon Benchmark
<<locked>>
89%
56826
89%
**35
99%
Hodgdon CFE223
<<locked>>
94%
57246
90%
**27
97%
Hodgdon H322
<<locked>>
88%
57159
90%
**01
100%
Hodgdon H380
<<locked>>
96%
56768
89%
**78
96%
[Hodgdon H414]*
<<locked>>
97%
53127
83%
**42
93%
Hodgdon H4895
<<locked>>
91%
57406
90%
**37
99%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
39363
62%
**88
93%
[Hodgdon LVR]*
<<locked>>
97%
48254
76%
**27
93%
Hodgdon VARGET
<<locked>>
97%
56753
89%
**78
97%
Hodgdon TrailBoss
<<locked>>
97%
32416
51%
**20
100%
IMR 3031 👍
<<locked>>
95%
57217
90%
**44
100%
IMR 4064
<<locked>>
97%
55535
87%
**55
97%
[IMR 4166 Enduron]*
<<locked>>
97%
55738
87%
**02
93%
IMR 4198
<<locked>>
86%
57334
90%
**52
100%
[IMR 4451 Enduron]*
<<locked>>
97%
53287
83%
**57
92%
IMR 4895
<<locked>>
94%
57058
89%
**47
98%
IMR 8208 XBR
<<locked>>
90%
57058
89%
**85
99%
Lovex D073.4
<<locked>>
85%
57261
90%
**58
99%
Lovex D073.5
<<locked>>
86%
56840
89%
**58
99%
Lovex D073.6 👍
<<locked>>
92%
57203
90%
**88
100%
Lovex S060
<<locked>>
91%
56826
89%
**32
98%
Lovex S062
<<locked>>
96%
57392
90%
**98
99%
[Lovex S065]*
<<locked>>
97%
48631
76%
**75
93%
Norma 201
<<locked>>
92%
56855
89%
**71
99%
Norma 202
<<locked>>
92%
57014
89%
**78
100%
Norma 203B
<<locked>>
95%
57319
90%
**24
98%
[Norma URP]*
<<locked>>
97%
43395
68%
**19
92%
Ramshot Big Game
<<locked>>
94%
57232
90%
**24
98%
Ramshot TAC
<<locked>>
89%
57334
90%
**58
96%
Ramshot Wild Boar
<<locked>>
90%
57174
90%
**98
98%
Ramshot X-Terminator
<<locked>>
87%
57334
90%
**48
98%
ReloadSwiss RS 14
<<locked>>
96%
32358
51%
**69
100%
ReloadSwiss RS 40
<<locked>>
86%
57072
89%
**91
100%
[ReloadSwiss RS 50]*
<<locked>>
95%
56913
89%
**48
94%
ReloadSwiss RS 52
<<locked>>
92%
57363
90%
**93
97%
ReloadSwiss RS 60
<<locked>>
97%
54549
85%
**67
100%
[ReloadSwiss RS 62]*
<<locked>>
97%
43932
69%
**55
93%
Rottweil R 901 👍
<<locked>>
90%
57276
90%
**88
100%
Rottweil R 902
<<locked>>
94%
57363
90%
**65
99%
Rottweil R 903
<<locked>>
97%
52866
83%
**16
98%
SNPE Vectan SP 11
<<locked>>
97%
56086
88%
**98
98%
SNPE Vectan SP 7
<<locked>>
90%
57014
89%
**48
96%
SNPE Vectan SP 9
<<locked>>
92%
57188
90%
**94
98%
SNPE Vectan Tubal 3000
<<locked>>
91%
57043
89%
**06
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
56594
89%
**76
100%
[Shooters World Long Rifle]*
<<locked>>
97%
48631
76%
**75
93%
Shooters World Match Rifle 👍
<<locked>>
92%
57203
90%
**88
100%
Shooters World Precision
<<locked>>
96%
57392
90%
**98
99%
Shooters World Tactical Rifle
<<locked>>
84%
57348
90%
**39
99%
Somchem S321
<<locked>>
87%
56768
89%
**91
99%
Somchem S335
<<locked>>
92%
56797
89%
**02
100%
Somchem S341
<<locked>>
90%
56913
89%
**58
98%
Somchem S355
<<locked>>
97%
53867
84%
**22
98%
Somchem S365
<<locked>>
97%
38493
60%
**30
95%
Vihtavuori N120
<<locked>>
83%
56971
89%
**60
100%
Vihtavuori N130
<<locked>>
88%
57232
90%
**02
100%
Vihtavuori N133
<<locked>>
94%
57348
90%
**09
100%
Vihtavuori N135
<<locked>>
97%
50488
79%
**37
100%
Vihtavuori N140
<<locked>>
94%
57014
89%
**45
100%
Vihtavuori N150
<<locked>>
97%
45092
71%
**06
97%
Vihtavuori N160
<<locked>>
97%
48950
77%
**11
95%
Vihtavuori N530
<<locked>>
88%
57406
90%
**04
99%
Vihtavuori N540
<<locked>>
94%
57246
90%
**65
100%
[Vihtavuori N550]*
<<locked>>
97%
48689
76%
**50
94%
Winchester 6.5 StaBALL
<<locked>>
97%
47703
75%
**42
97%
Winchester 748
<<locked>>
87%
56913
89%
**17
99%
[Winchester 760]*
<<locked>>
97%
53127
83%
**42
93%
Winchester StaBALL Match
<<locked>>
85%
57058
89%
**98
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
39639
62%
**10
93%
[ADI AR 2208]*
<<locked>>
83%
35868
56%
**63
90%
Accurate 2015
<<locked>>
81%
44773
70%
**99
100%
[Accurate 2200]*
<<locked>>
81%
42337
66%
**24
92%
Accurate 2230
<<locked>>
81%
48095
75%
**68
97%
Accurate 2460
<<locked>>
81%
47993
75%
**84
98%
Accurate 2495
<<locked>>
81%
38827
61%
**07
99%
Accurate 2520
<<locked>>
81%
40973
64%
**47
97%
[Accurate 2700]*
<<locked>>
93%
49153
77%
**89
90%
Accurate 4064
<<locked>>
81%
32401
51%
**91
95%
[Accurate 4350]*
<<locked>>
93%
37782
59%
**74
90%
Alliant AR-Comp
<<locked>>
81%
40857
64%
**79
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
83%
38479
60%
**50
90%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
32677
51%
**94
91%
Alliant Reloder-10x
<<locked>>
81%
48747
76%
**17
100%
[Alliant Reloder-15]*
<<locked>>
81%
35273
55%
**86
90%
[Alliant Reloder-16]*
<<locked>>
93%
38711
61%
**10
90%
[Alliant Reloder-17]*
<<locked>>
87%
34809
55%
**02
90%
Baschieri & Pellagri 106
<<locked>>
81%
52156
82%
**68
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
39320
62%
**78
91%
[Bofors RP3]*
<<locked>>
81%
31923
50%
**81
91%
Hodgdon BL-C2
<<locked>>
81%
41263
65%
**63
95%
Hodgdon Benchmark
<<locked>>
81%
44063
69%
**60
97%
[Hodgdon CFE223]*
<<locked>>
84%
37898
59%
**74
90%
Hodgdon H322
<<locked>>
81%
44585
70%
**48
99%
[Hodgdon H380]*
<<locked>>
85%
39131
61%
**58
90%
[Hodgdon H414]*
<<locked>>
93%
46470
73%
**94
90%
[Hodgdon H4895]*
<<locked>>
81%
39914
63%
**14
94%
[Hodgdon Hybrid 100V]*
<<locked>>
92%
33489
52%
**14
90%
[Hodgdon LVR]*
<<locked>>
92%
40074
63%
**37
90%
[Hodgdon VARGET]*
<<locked>>
83%
35868
56%
**63
90%
Hodgdon TrailBoss
<<locked>>
81%
25469
40%
**20
100%
IMR 3031
<<locked>>
81%
35143
55%
**45
98%
[IMR 4064]*
<<locked>>
83%
34838
55%
**37
90%
[IMR 4166 Enduron]*
<<locked>>
92%
46804
73%
**93
90%
IMR 4198
<<locked>>
81%
49371
77%
**91
100%
[IMR 4451 Enduron]*
<<locked>>
93%
46934
74%
**25
90%
[IMR 4895]*
<<locked>>
81%
36172
57%
**22
91%
IMR 8208 XBR
<<locked>>
81%
41916
66%
**50
96%
Lovex D073.4
<<locked>>
81%
49922
78%
**04
98%
Lovex D073.5
<<locked>>
81%
47326
74%
**68
98%
Lovex D073.6
<<locked>>
81%
38174
60%
**68
96%
[Lovex S060]*
<<locked>>
81%
40437
63%
**68
94%
[Lovex S062]*
<<locked>>
81%
34650
54%
**46
93%
[Lovex S065]*
<<locked>>
92%
41669
65%
**91
90%
[Norma 201]*
<<locked>>
81%
38363
60%
**42
94%
Norma 202
<<locked>>
81%
38914
61%
**84
97%
[Norma 203B]*
<<locked>>
81%
34577
54%
**66
91%
[Norma URP]*
<<locked>>
93%
38290
60%
**81
90%
[Ramshot Big Game]*
<<locked>>
81%
34780
55%
**63
90%
[Ramshot TAC]*
<<locked>>
81%
42438
67%
**14
91%
[Ramshot Wild Boar]*
<<locked>>
81%
41423
65%
**47
94%
Ramshot X-Terminator
<<locked>>
81%
46064
72%
**06
95%
ReloadSwiss RS 14
<<locked>>
81%
25483
40%
**65
100%
ReloadSwiss RS 40
<<locked>>
81%
47761
75%
**01
98%
[ReloadSwiss RS 50]*
<<locked>>
88%
44367
70%
**60
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
36898
58%
**91
90%
[ReloadSwiss RS 60]*
<<locked>>
81%
30313
47%
**58
90%
[ReloadSwiss RS 62]*
<<locked>>
94%
38696
61%
**10
90%
Rottweil R 901
<<locked>>
81%
41756
65%
**40
98%
[Rottweil R 902]*
<<locked>>
81%
36477
57%
**86
94%
[Rottweil R 903]*
<<locked>>
83%
31966
50%
**74
90%
[SNPE Vectan SP 11]*
<<locked>>
84%
34867
55%
**73
90%
[SNPE Vectan SP 7]*
<<locked>>
81%
39943
63%
**58
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
38711
61%
**55
93%
SNPE Vectan Tubal 3000
<<locked>>
81%
40350
63%
**55
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
33040
52%
**32
96%
[Shooters World Long Rifle]*
<<locked>>
92%
41669
65%
**91
90%
Shooters World Match Rifle
<<locked>>
81%
38174
60%
**68
96%
[Shooters World Precision]*
<<locked>>
81%
34650
54%
**46
93%
Shooters World Tactical Rifle
<<locked>>
81%
50836
80%
**17
98%
Somchem S321
<<locked>>
81%
45730
72%
**52
97%
Somchem S335
<<locked>>
81%
39798
62%
**32
98%
[Somchem S341]*
<<locked>>
81%
39987
63%
**78
93%
[Somchem S355]*
<<locked>>
82%
32358
51%
**78
90%
[Somchem S365]*
<<locked>>
91%
30995
49%
**84
90%
Vihtavuori N120
<<locked>>
81%
53113
83%
**94
100%
Vihtavuori N130
<<locked>>
81%
44962
70%
**70
100%
Vihtavuori N133
<<locked>>
81%
37826
59%
**96
99%
Vihtavuori N135
<<locked>>
81%
29515
46%
**99
96%
Vihtavuori N140
<<locked>>
81%
36172
57%
**79
97%
[Vihtavuori N150]*
<<locked>>
84%
29124
46%
**43
90%
[Vihtavuori N160]*
<<locked>>
90%
38159
60%
**38
90%
Vihtavuori N530
<<locked>>
81%
44396
70%
**19
96%
Vihtavuori N540
<<locked>>
81%
36260
57%
**92
96%
[Vihtavuori N550]*
<<locked>>
90%
38479
60%
**81
90%
[Winchester 6.5 StaBALL]*
<<locked>>
87%
33083
52%
**28
90%
Winchester 748
<<locked>>
81%
45034
71%
**75
97%
[Winchester 760]*
<<locked>>
93%
46470
73%
**94
90%
Winchester StaBALL Match
<<locked>>
81%
48733
76%
**24
97%

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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