top of page

Load data for .300 Rem. SA Ultra Mag + .308 | 250gr | Barnes RNSP

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

.300 Rem. SA Ultra Mag + .308 | 250gr | Barnes RNSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 250gr | Barnes RNSP
Manufacturer SKU:
30860
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.420" | 36.1mm
Caliber:
.300 Rem. SA Ultra Mag load data
Case Length (l3):
2.003" | 50.9mm
Cartridge Length (C.O.L.):
2.783" | 70.7mm
Seated Depth:
0.640" | 16.3mm
Shank Seated Depth:
0.640" | 16.3mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64107 psi | 4420 bar
LID:
LID_B644_C373
Last updated:
2025-01-01

Load data for 162 loads in caliber .300 Rem. SA Ultra Mag with .308 | 250gr | Barnes RNSP bullet and 81 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905. 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 2208
<<locked>>
85%
57174
89%
**20
100%
ADI AR 2209 👍
<<locked>>
97%
57551
90%
**31
100%
ADI AR 2213
<<locked>>
96%
50995
80%
**75
98%
ADI AR 2217
<<locked>>
97%
37985
59%
**52
95%
ADI AR 2225
<<locked>>
96%
32996
51%
**06
97%
Accurate 2700
<<locked>>
86%
56927
89%
**00
100%
Accurate 3100
<<locked>>
97%
51039
80%
**06
100%
Accurate 4064
<<locked>>
83%
56956
89%
**80
100%
Accurate 4350
<<locked>>
91%
57043
89%
**85
100%
Accurate MAGPRO
<<locked>>
97%
49937
78%
**85
97%
Alliant Reloder- TS 15.5
<<locked>>
85%
57014
89%
**23
100%
Alliant Reloder-16
<<locked>>
93%
57377
90%
**21
100%
Alliant Reloder-17
<<locked>>
88%
56695
88%
**18
100%
Alliant Reloder-19 👍
<<locked>>
97%
56753
89%
**21
100%
Alliant Reloder-22
<<locked>>
96%
50314
78%
**79
99%
Alliant Reloder-23
<<locked>>
97%
48588
76%
**26
100%
Alliant Reloder-25
<<locked>>
97%
41756
65%
**77
100%
Alliant Reloder-26 👍
<<locked>>
97%
54317
85%
**77
100%
Hodgdon H1000
<<locked>>
97%
37985
59%
**52
95%
Hodgdon H380
<<locked>>
84%
56811
89%
**46
100%
Hodgdon H414
<<locked>>
87%
57174
89%
**08
100%
Hodgdon H4350
<<locked>>
94%
57348
89%
**65
100%
Hodgdon H4831
<<locked>>
96%
47456
74%
**77
97%
Hodgdon H4831 SC
<<locked>>
96%
53693
84%
**59
98%
Hodgdon Hybrid 100V
<<locked>>
94%
57392
90%
**49
100%
Hodgdon LVR
<<locked>>
89%
56739
88%
**79
100%
Hodgdon Retumbo
<<locked>>
96%
32996
51%
**06
97%
Hodgdon Superperformance
<<locked>>
90%
57072
89%
**44
100%
Hodgdon VARGET
<<locked>>
86%
57682
90%
**26
100%
IMR 4064
<<locked>>
86%
57246
89%
**10
100%
IMR 4166 Enduron
<<locked>>
87%
57667
90%
**23
100%
IMR 4350
<<locked>>
92%
57159
89%
**62
100%
IMR 4451 Enduron
<<locked>>
88%
57290
89%
**46
100%
IMR 4831
<<locked>>
96%
57043
89%
**72
100%
IMR 4955 Enduron
<<locked>>
97%
53040
83%
**20
98%
IMR 7828 SSC
<<locked>>
97%
53040
83%
**21
99%
Lovex S062
<<locked>>
84%
57609
90%
**06
100%
Lovex S065
<<locked>>
90%
56840
89%
**33
100%
Lovex S070
<<locked>>
91%
56884
89%
**59
100%
Lovex S071
<<locked>>
97%
42482
66%
**88
100%
Norma 203B
<<locked>>
83%
57203
89%
**39
100%
Norma 204
<<locked>>
92%
57638
90%
**08
100%
[Norma 217]*
<<locked>>
97%
29515
46%
**64
94%
Norma MRP 👍
<<locked>>
97%
53432
83%
**48
100%
Norma URP
<<locked>>
92%
56739
89%
**85
100%
Ramshot Big Game
<<locked>>
83%
57479
90%
**59
100%
Ramshot Hunter
<<locked>>
93%
57508
90%
**18
100%
Ramshot Magnum
<<locked>>
97%
49429
77%
**59
100%
ReloadSwiss RS 50
<<locked>>
84%
56666
88%
**36
100%
ReloadSwiss RS 52
<<locked>>
83%
57479
90%
**52
100%
ReloadSwiss RS 60
<<locked>>
89%
56637
88%
**31
100%
ReloadSwiss RS 62
<<locked>>
91%
57638
90%
**18
100%
ReloadSwiss RS 70
<<locked>>
92%
57421
90%
**61
100%
ReloadSwiss RS 76
<<locked>>
97%
40292
63%
**97
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
36158
56%
**95
93%
Rottweil R 903
<<locked>>
87%
57595
90%
**33
100%
Rottweil R 904
<<locked>>
95%
56826
89%
**69
99%
Rottweil R 905 👍
<<locked>>
97%
56652
88%
**15
100%
Rottweil R 907
<<locked>>
89%
57580
90%
**46
100%
SNPE Vectan SP 11
<<locked>>
85%
56695
88%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56695
88%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
56956
89%
**03
100%
Shooters World Long Rifle
<<locked>>
90%
56840
89%
**33
100%
Shooters World Precision
<<locked>>
84%
57609
90%
**06
100%
Somchem S355
<<locked>>
86%
57232
89%
**23
100%
Somchem S361
<<locked>>
95%
56971
89%
**52
99%
Somchem S365
<<locked>>
94%
57246
89%
**95
100%
Somchem S385
<<locked>>
96%
56217
88%
**82
100%
Vihtavuori N135
<<locked>>
88%
57421
90%
**38
100%
Vihtavuori N150
<<locked>>
91%
56913
89%
**83
100%
Vihtavuori N160
<<locked>>
89%
56768
89%
**49
100%
Vihtavuori N165
<<locked>>
97%
47848
75%
**60
99%
Vihtavuori N540
<<locked>>
83%
57653
90%
**87
100%
Vihtavuori N550
<<locked>>
89%
56913
89%
**85
100%
Vihtavuori N555
<<locked>>
96%
53461
83%
**75
100%
Vihtavuori N560
<<locked>>
97%
51097
80%
**05
98%
Vihtavuori N565
<<locked>>
97%
43308
68%
**83
97%
[Vihtavuori N568]*
<<locked>>
97%
37753
59%
**11
93%
Winchester 6.5 StaBALL
<<locked>>
91%
56608
88%
**29
100%
Winchester 760
<<locked>>
87%
57174
89%
**08
100%
Winchester StaBALL HD
<<locked>>
97%
43134
67%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49922
78%
**28
100%
ADI AR 2209
<<locked>>
81%
34722
54%
**67
95%
[ADI AR 2213]*
<<locked>>
81%
30908
48%
**98
91%
[ADI AR 2217]*
<<locked>>
89%
29341
46%
**59
90%
[ADI AR 2225]*
<<locked>>
86%
24279
38%
**67
90%
Accurate 2700
<<locked>>
81%
48095
75%
**88
99%
Accurate 3100
<<locked>>
81%
30226
47%
**62
97%
Accurate 4064
<<locked>>
81%
53055
83%
**34
100%
Accurate 4350
<<locked>>
81%
41075
64%
**69
100%
[Accurate MAGPRO]*
<<locked>>
84%
32343
50%
**67
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50662
79%
**51
100%
Alliant Reloder-16
<<locked>>
81%
39682
62%
**75
100%
Alliant Reloder-17
<<locked>>
81%
44918
70%
**70
100%
Alliant Reloder-19
<<locked>>
81%
34563
54%
**67
95%
[Alliant Reloder-22]*
<<locked>>
81%
30400
47%
**14
94%
Alliant Reloder-23
<<locked>>
81%
29138
45%
**91
99%
Alliant Reloder-25
<<locked>>
81%
25570
40%
**09
95%
Alliant Reloder-26
<<locked>>
81%
31082
48%
**90
98%
[Hodgdon H1000]*
<<locked>>
89%
29341
46%
**59
90%
Hodgdon H380
<<locked>>
81%
51227
80%
**77
100%
Hodgdon H414
<<locked>>
81%
46557
73%
**67
100%
Hodgdon H4350
<<locked>>
81%
38159
60%
**83
98%
[Hodgdon H4831]*
<<locked>>
81%
29660
46%
**36
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
32358
50%
**01
92%
Hodgdon Hybrid 100V
<<locked>>
81%
37246
58%
**83
100%
Hodgdon LVR
<<locked>>
81%
43743
68%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
86%
24279
38%
**67
90%
Hodgdon Superperformance
<<locked>>
81%
41495
65%
**24
99%
Hodgdon VARGET
<<locked>>
81%
49574
77%
**24
100%
IMR 4064
<<locked>>
81%
49153
77%
**05
100%
IMR 4166 Enduron
<<locked>>
81%
48022
75%
**95
100%
IMR 4350
<<locked>>
81%
40118
63%
**19
98%
IMR 4451 Enduron
<<locked>>
81%
46151
72%
**92
99%
IMR 4831
<<locked>>
81%
35665
56%
**60
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33156
52%
**85
93%
[IMR 7828 SSC]*
<<locked>>
81%
31357
49%
**21
92%
Lovex S062
<<locked>>
81%
53011
83%
**47
100%
Lovex S065
<<locked>>
81%
43555
68%
**52
100%
Lovex S070
<<locked>>
81%
42032
66%
**46
99%
Lovex S071
<<locked>>
81%
26165
41%
**70
95%
Norma 203B
<<locked>>
81%
53534
84%
**97
100%
Norma 204
<<locked>>
81%
39827
62%
**46
97%
[Norma 217]*
<<locked>>
90%
24062
38%
**00
90%
Norma MRP
<<locked>>
81%
31531
49%
**67
96%
Norma URP
<<locked>>
81%
40756
64%
**65
100%
Ramshot Big Game
<<locked>>
81%
53780
84%
**16
100%
Ramshot Hunter
<<locked>>
81%
39407
61%
**59
99%
[Ramshot Magnum]*
<<locked>>
81%
27920
44%
**49
93%
ReloadSwiss RS 50
<<locked>>
81%
51474
80%
**70
100%
ReloadSwiss RS 52
<<locked>>
81%
53693
84%
**10
100%
ReloadSwiss RS 60
<<locked>>
81%
43497
68%
**67
100%
ReloadSwiss RS 62
<<locked>>
81%
40625
63%
**85
100%
ReloadSwiss RS 70
<<locked>>
81%
39117
61%
**95
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
24424
38%
**96
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
31488
49%
**87
90%
Rottweil R 903
<<locked>>
81%
48399
75%
**21
100%
Rottweil R 904
<<locked>>
81%
36245
57%
**54
95%
Rottweil R 905
<<locked>>
81%
33765
53%
**54
95%
Rottweil R 907
<<locked>>
81%
44788
70%
**72
99%
SNPE Vectan SP 11
<<locked>>
81%
49501
77%
**70
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49385
77%
**23
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42656
67%
**10
99%
Shooters World Long Rifle
<<locked>>
81%
43555
68%
**52
100%
Shooters World Precision
<<locked>>
81%
53011
83%
**47
100%
Somchem S355
<<locked>>
81%
48211
75%
**15
100%
[Somchem S361]*
<<locked>>
81%
36347
57%
**37
94%
Somchem S365
<<locked>>
81%
36941
58%
**26
100%
Somchem S385
<<locked>>
81%
34214
53%
**37
96%
Vihtavuori N135
<<locked>>
81%
47311
74%
**26
100%
Vihtavuori N150
<<locked>>
81%
41655
65%
**93
100%
Vihtavuori N160
<<locked>>
81%
43758
68%
**78
100%
[Vihtavuori N165]*
<<locked>>
81%
28761
45%
**19
94%
Vihtavuori N540
<<locked>>
81%
54070
84%
**51
100%
Vihtavuori N550
<<locked>>
81%
44092
69%
**18
100%
Vihtavuori N555
<<locked>>
81%
32532
51%
**54
99%
[Vihtavuori N560]*
<<locked>>
81%
30472
48%
**21
91%
[Vihtavuori N565]*
<<locked>>
84%
27789
43%
**69
90%
[Vihtavuori N568]*
<<locked>>
92%
32387
51%
**96
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41118
64%
**33
100%
Winchester 760
<<locked>>
81%
46557
73%
**67
100%
Winchester StaBALL HD
<<locked>>
81%
23076
36%
**98
99%

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