top of page

Load data for .300 Weath. Mag. + .308 | 200gr | Barnes X S

Recommended Powder(s): Alliant Reloder-22, Alliant Reloder-25, IMR 7828 SSC, Norma MRP, Ramshot Magnum

.300 Weath. Mag. + .308 | 200gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 200gr | Barnes X S
Manufacturer SKU:
30845
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.475" | 37.5mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.792" | 20.1mm
Shank Seated Depth:
0.792" | 20.1mm
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_B640_C379
Last updated:
2025-01-01

Load data for 122 loads in caliber .300 Weath. Mag. with .308 | 200gr | Barnes X S bullet and 61 powders such as Alliant Reloder-22, Alliant Reloder-25, IMR 7828 SSC, Norma MRP, Ramshot Magnum. 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.

    .

    Loading_icon.gif

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 2209
<<locked>>
91%
57334
90%
**05
100%
ADI AR 2213
<<locked>>
94%
57174
90%
**44
99%
ADI AR 2217
<<locked>>
97%
46978
74%
**64
97%
ADI AR 2225
<<locked>>
97%
42917
67%
**54
99%
Accurate 3100
<<locked>>
93%
57363
90%
**46
100%
Accurate 4350
<<locked>>
84%
57188
90%
**53
100%
Accurate MAGPRO
<<locked>>
94%
57087
89%
**54
98%
Alliant Reloder-16
<<locked>>
86%
57087
89%
**99
100%
Alliant Reloder-19
<<locked>>
90%
56942
89%
**95
100%
Alliant Reloder-22 👍
<<locked>>
93%
56956
89%
**31
100%
Alliant Reloder-23
<<locked>>
95%
56768
89%
**92
100%
Alliant Reloder-25 👍
<<locked>>
97%
53243
83%
**08
100%
Alliant Reloder-26
<<locked>>
91%
57363
90%
**81
100%
[Alliant Reloder-33]*
<<locked>>
97%
43961
69%
**74
92%
Hodgdon H1000
<<locked>>
97%
46978
74%
**64
97%
Hodgdon H4350
<<locked>>
88%
57421
90%
**43
100%
Hodgdon H4831
<<locked>>
96%
57334
90%
**85
98%
Hodgdon H4831 SC
<<locked>>
92%
57334
90%
**85
98%
Hodgdon Hybrid 100V
<<locked>>
88%
56985
89%
**13
100%
Hodgdon LVR
<<locked>>
83%
56927
89%
**56
100%
Hodgdon Retumbo
<<locked>>
97%
42917
67%
**54
99%
Hodgdon Superperformance
<<locked>>
84%
56985
89%
**12
100%
Hodgdon TrailBoss
<<locked>>
96%
35911
56%
**80
100%
IMR 4350
<<locked>>
87%
57014
89%
**40
100%
IMR 4831
<<locked>>
90%
57421
90%
**49
100%
IMR 4955 Enduron
<<locked>>
93%
57058
89%
**46
98%
IMR 7828 SSC 👍
<<locked>>
93%
56884
89%
**48
99%
[IMR 7977 Enduron]*
<<locked>>
97%
54955
86%
**67
92%
IMR 8133 Enduron
<<locked>>
97%
39378
62%
**72
95%
Lovex S065
<<locked>>
84%
57072
89%
**07
100%
Lovex S070
<<locked>>
85%
57232
90%
**33
100%
Lovex S071
<<locked>>
97%
55216
87%
**20
100%
Norma 204
<<locked>>
86%
56971
89%
**79
99%
Norma 217
<<locked>>
97%
39233
61%
**95
98%
Norma MRP 👍
<<locked>>
91%
56710
89%
**58
100%
Norma URP
<<locked>>
85%
57203
90%
**66
100%
Ramshot Hunter
<<locked>>
86%
56956
89%
**82
100%
Ramshot Magnum 👍
<<locked>>
94%
56304
88%
**12
100%
ReloadSwiss RS 14
<<locked>>
96%
36782
58%
**19
100%
ReloadSwiss RS 62
<<locked>>
84%
57145
90%
**82
100%
ReloadSwiss RS 70
<<locked>>
85%
56594
89%
**25
100%
ReloadSwiss RS 76
<<locked>>
97%
52170
82%
**64
100%
ReloadSwiss RS 80
<<locked>>
97%
47863
75%
**56
96%
Rottweil R 904
<<locked>>
90%
56913
89%
**56
99%
Rottweil R 905
<<locked>>
91%
56695
89%
**92
100%
Rottweil R 907
<<locked>>
83%
57319
90%
**20
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
57174
90%
**80
100%
Shooters World Long Rifle
<<locked>>
84%
57072
89%
**07
100%
Somchem S361
<<locked>>
89%
57159
90%
**30
98%
Somchem S365
<<locked>>
87%
57159
90%
**56
100%
Somchem S385
<<locked>>
90%
56666
89%
**53
100%
Vihtavuori N150
<<locked>>
86%
57305
90%
**61
100%
Vihtavuori N160
<<locked>>
83%
57421
90%
**26
100%
Vihtavuori N165
<<locked>>
96%
57406
90%
**53
100%
Vihtavuori N555
<<locked>>
91%
57421
90%
**89
100%
Vihtavuori N560
<<locked>>
93%
57130
90%
**64
99%
Vihtavuori N565
<<locked>>
97%
56014
88%
**28
99%
Vihtavuori N568
<<locked>>
97%
49226
77%
**59
96%
[Vihtavuori N570]*
<<locked>>
97%
47297
74%
**53
93%
Winchester 6.5 StaBALL
<<locked>>
85%
57000
89%
**00
100%
Winchester StaBALL HD
<<locked>>
96%
57087
89%
**10
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42525
67%
**49
97%
[ADI AR 2213]*
<<locked>>
81%
38421
60%
**87
94%
[ADI AR 2217]*
<<locked>>
82%
30676
48%
**77
90%
[ADI AR 2225]*
<<locked>>
81%
27354
43%
**24
92%
Accurate 3100
<<locked>>
81%
39856
62%
**54
99%
Accurate 4350
<<locked>>
81%
51837
81%
**74
100%
[Accurate MAGPRO]*
<<locked>>
81%
37724
59%
**87
92%
Alliant Reloder-16
<<locked>>
81%
48631
76%
**71
100%
Alliant Reloder-19
<<locked>>
81%
42598
67%
**46
97%
Alliant Reloder-22
<<locked>>
81%
38928
61%
**07
96%
Alliant Reloder-23
<<locked>>
81%
37739
59%
**74
100%
Alliant Reloder-25
<<locked>>
81%
33011
52%
**98
98%
Alliant Reloder-26
<<locked>>
81%
41321
65%
**15
100%
[Alliant Reloder-33]*
<<locked>>
94%
39566
62%
**72
90%
[Hodgdon H1000]*
<<locked>>
82%
30676
48%
**77
90%
Hodgdon H4350
<<locked>>
81%
46601
73%
**62
99%
[Hodgdon H4831]*
<<locked>>
81%
36535
57%
**95
93%
[Hodgdon H4831 SC]*
<<locked>>
81%
40263
63%
**80
94%
Hodgdon Hybrid 100V
<<locked>>
81%
46398
73%
**59
100%
Hodgdon LVR
<<locked>>
81%
52881
83%
**94
100%
[Hodgdon Retumbo]*
<<locked>>
81%
27354
43%
**24
92%
Hodgdon Superperformance
<<locked>>
81%
52170
82%
**43
100%
Hodgdon TrailBoss
<<locked>>
93%
34185
54%
**47
100%
IMR 4350
<<locked>>
81%
48573
76%
**05
99%
IMR 4831
<<locked>>
81%
44817
70%
**49
100%
IMR 4955 Enduron
<<locked>>
81%
40350
63%
**48
95%
IMR 7828 SSC
<<locked>>
81%
39363
62%
**26
95%
[IMR 7977 Enduron]*
<<locked>>
93%
49748
78%
**82
90%
[IMR 8133 Enduron]*
<<locked>>
87%
29849
47%
**16
90%
Lovex S065
<<locked>>
81%
52765
83%
**41
100%
Lovex S070
<<locked>>
81%
51126
80%
**41
100%
Lovex S071
<<locked>>
81%
35012
55%
**49
98%
Norma 204
<<locked>>
81%
48762
76%
**48
98%
[Norma 217]*
<<locked>>
82%
26005
41%
**15
90%
Norma MRP
<<locked>>
81%
40466
63%
**75
98%
Norma URP
<<locked>>
81%
49966
78%
**57
100%
Ramshot Hunter
<<locked>>
81%
48805
76%
**54
100%
Ramshot Magnum
<<locked>>
81%
36274
57%
**51
96%
ReloadSwiss RS 14
<<locked>>
88%
32909
52%
**44
100%
ReloadSwiss RS 62
<<locked>>
81%
51097
80%
**94
100%
ReloadSwiss RS 70
<<locked>>
81%
48747
76%
**07
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31343
49%
**85
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
33431
52%
**25
90%
Rottweil R 904
<<locked>>
81%
44135
69%
**30
96%
Rottweil R 905
<<locked>>
81%
42351
66%
**43
97%
Rottweil R 907
<<locked>>
81%
53621
84%
**67
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
51547
81%
**95
100%
Shooters World Long Rifle
<<locked>>
81%
52765
83%
**41
100%
Somchem S361
<<locked>>
81%
44918
70%
**16
96%
Somchem S365
<<locked>>
81%
47210
74%
**18
100%
Somchem S385
<<locked>>
81%
43381
68%
**33
98%
Vihtavuori N150
<<locked>>
81%
50067
78%
**59
100%
Vihtavuori N160
<<locked>>
81%
53359
84%
**74
100%
Vihtavuori N165
<<locked>>
81%
36637
57%
**88
96%
Vihtavuori N555
<<locked>>
81%
42293
66%
**43
100%
[Vihtavuori N560]*
<<locked>>
81%
38783
61%
**16
94%
[Vihtavuori N565]*
<<locked>>
81%
34418
54%
**05
93%
[Vihtavuori N568]*
<<locked>>
85%
34389
54%
**41
90%
[Vihtavuori N570]*
<<locked>>
92%
39943
63%
**95
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49995
78%
**02
100%
Winchester StaBALL HD
<<locked>>
81%
33692
53%
**20
100%

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

bottom of page