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Load data for .300 Rem. SA Ultra Mag + .308 | 155gr | LOS Hunter

Recommended Powder(s): Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52

.300 Rem. SA Ultra Mag + .308 | 155gr | LOS Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | LOS Hunter
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.239" | 31.5mm
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:
0.459" | 11.7mm
Shank Seated Depth:
0.329" | 8.3mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64107 psi | 4420 bar
LID:
LID_B3528_C373
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 196 loads in caliber .300 Rem. SA Ultra Mag with .308 | 155gr | LOS Hunter bullet and 98 powders such as Alliant Reloder-15, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52. 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 2206H
<<locked>>
92%
57043
89%
**92
100%
ADI AR 2208
<<locked>>
97%
56869
89%
**59
100%
Accurate 2015
<<locked>>
88%
57450
90%
**87
100%
Accurate 2200
<<locked>>
90%
56898
89%
**46
99%
Accurate 2230
<<locked>>
86%
56840
89%
**27
100%
Accurate 2460
<<locked>>
86%
57334
89%
**40
100%
Accurate 2495
<<locked>>
92%
57305
89%
**59
100%
Accurate 2520
<<locked>>
90%
57116
89%
**69
100%
Accurate 2700
<<locked>>
97%
55434
86%
**77
96%
Accurate 4064
<<locked>>
97%
55666
87%
**49
100%
Accurate 4350
<<locked>>
97%
42076
66%
**02
97%
Alliant AR-Comp
<<locked>>
90%
57246
89%
**27
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
55506
87%
**76
100%
Alliant Reloder-10x
<<locked>>
86%
57595
90%
**94
100%
Alliant Reloder-15 👍
<<locked>>
95%
56652
88%
**02
100%
Alliant Reloder-16
<<locked>>
97%
42743
67%
**18
97%
Alliant Reloder-17
<<locked>>
97%
49342
77%
**82
100%
[Alliant Reloder-23]*
<<locked>>
97%
29066
45%
**93
93%
Baschieri & Pellagri 106
<<locked>>
84%
57261
89%
**31
100%
Baschieri & Pellagri 107
<<locked>>
91%
56840
89%
**99
99%
Hodgdon BL-C2
<<locked>>
90%
57087
89%
**02
100%
Hodgdon Benchmark
<<locked>>
89%
57609
90%
**13
100%
Hodgdon CFE223
<<locked>>
95%
57450
90%
**41
99%
Hodgdon H322
<<locked>>
88%
56666
88%
**33
100%
Hodgdon H335
<<locked>>
83%
57406
90%
**56
100%
Hodgdon H380
<<locked>>
96%
57421
90%
**95
99%
Hodgdon H414
<<locked>>
97%
51605
81%
**63
96%
[Hodgdon H4350]*
<<locked>>
97%
41176
64%
**97
92%
Hodgdon Hybrid 100V
<<locked>>
97%
39001
61%
**00
98%
Hodgdon LVR
<<locked>>
97%
47311
74%
**74
97%
[Hodgdon Superperformance]*
<<locked>>
97%
47253
74%
**94
94%
Hodgdon VARGET
<<locked>>
97%
56420
88%
**56
99%
Hodgdon TrailBoss
<<locked>>
96%
32547
51%
**49
100%
IMR 3031
<<locked>>
95%
57232
89%
**82
100%
IMR 4064
<<locked>>
97%
55071
86%
**30
99%
IMR 4166 Enduron
<<locked>>
97%
54592
85%
**90
97%
IMR 4198
<<locked>>
85%
56913
89%
**38
100%
[IMR 4350]*
<<locked>>
97%
44121
69%
**56
93%
IMR 4451 Enduron
<<locked>>
97%
52866
82%
**87
96%
IMR 4831
<<locked>>
97%
35549
55%
**38
95%
IMR 4895 👍
<<locked>>
94%
57276
89%
**22
100%
IMR 8208 XBR
<<locked>>
90%
57261
89%
**53
100%
Lovex D073.4
<<locked>>
85%
57276
89%
**27
100%
Lovex D073.5
<<locked>>
86%
56942
89%
**36
100%
Lovex D073.6
<<locked>>
92%
57609
90%
**76
100%
Lovex S060
<<locked>>
92%
57159
89%
**20
100%
Lovex S062
<<locked>>
96%
56884
89%
**59
100%
Lovex S065
<<locked>>
97%
47311
74%
**08
97%
Lovex S070
<<locked>>
97%
44556
69%
**79
95%
Norma 201
<<locked>>
93%
57305
89%
**59
100%
Norma 202
<<locked>>
92%
57450
90%
**53
100%
Norma 203B 👍
<<locked>>
96%
57638
90%
**15
100%
Norma URP
<<locked>>
97%
42409
66%
**95
97%
Ramshot Big Game 👍
<<locked>>
95%
57334
89%
**22
100%
Ramshot Hunter
<<locked>>
97%
42467
66%
**95
95%
Ramshot TAC
<<locked>>
90%
56869
89%
**53
98%
Ramshot Wild Boar
<<locked>>
90%
57334
89%
**95
100%
Ramshot X-Terminator
<<locked>>
87%
57188
89%
**40
100%
ReloadSwiss RS 14
<<locked>>
96%
32532
51%
**85
100%
ReloadSwiss RS 40
<<locked>>
86%
57493
90%
**46
100%
ReloadSwiss RS 50
<<locked>>
96%
56753
89%
**59
98%
ReloadSwiss RS 52 👍
<<locked>>
95%
56884
89%
**31
100%
ReloadSwiss RS 60
<<locked>>
97%
47993
75%
**72
100%
ReloadSwiss RS 62
<<locked>>
97%
42757
67%
**25
97%
ReloadSwiss RS 70
<<locked>>
97%
43642
68%
**48
96%
Rottweil R 901
<<locked>>
91%
56855
89%
**27
100%
Rottweil R 902
<<locked>>
95%
57580
90%
**49
100%
Rottweil R 903
<<locked>>
97%
51459
80%
**13
100%
Rottweil R 907
<<locked>>
97%
49559
77%
**38
95%
SNPE Vectan SP 11
<<locked>>
97%
55245
86%
**95
100%
SNPE Vectan SP 7
<<locked>>
91%
57319
89%
**66
99%
SNPE Vectan SP 9
<<locked>>
92%
57159
89%
**86
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
57159
89%
**71
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
55999
87%
**48
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
47993
75%
**66
95%
Shooters World Long Rifle
<<locked>>
97%
47311
74%
**08
97%
Shooters World Match Rifle
<<locked>>
92%
57609
90%
**76
100%
Shooters World Precision
<<locked>>
96%
56884
89%
**59
100%
Shooters World Tactical Rifle
<<locked>>
84%
57421
90%
**17
100%
Somchem S321
<<locked>>
88%
57609
90%
**72
100%
Somchem S335
<<locked>>
92%
56869
89%
**74
100%
Somchem S341
<<locked>>
91%
57130
89%
**59
100%
Somchem S355
<<locked>>
97%
52446
82%
**13
100%
Somchem S365
<<locked>>
97%
37768
59%
**43
99%
Vihtavuori N130
<<locked>>
88%
57159
89%
**35
100%
Vihtavuori N133
<<locked>>
94%
57145
89%
**54
100%
Vihtavuori N135
<<locked>>
97%
50589
79%
**31
100%
Vihtavuori N140
<<locked>>
95%
57551
90%
**27
100%
Vihtavuori N150
<<locked>>
97%
44193
69%
**46
100%
Vihtavuori N160
<<locked>>
97%
47340
74%
**48
98%
Vihtavuori N530
<<locked>>
88%
57029
89%
**66
100%
Vihtavuori N540
<<locked>>
95%
57537
90%
**59
100%
Vihtavuori N550
<<locked>>
97%
48066
75%
**04
98%
[Vihtavuori N555]*
<<locked>>
97%
30719
48%
**79
93%
Winchester 6.5 StaBALL
<<locked>>
97%
45934
72%
**92
99%
Winchester 748
<<locked>>
88%
57348
89%
**95
100%
Winchester 760
<<locked>>
97%
51605
81%
**63
96%
Winchester StaBALL Match
<<locked>>
85%
57159
89%
**89
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
39798
62%
**77
97%
ADI AR 2208
<<locked>>
81%
33895
53%
**26
95%
Accurate 2015
<<locked>>
81%
44773
70%
**97
100%
Accurate 2200
<<locked>>
81%
42409
66%
**94
97%
Accurate 2230
<<locked>>
81%
47601
74%
**92
99%
Accurate 2460
<<locked>>
81%
47311
74%
**95
100%
Accurate 2495
<<locked>>
81%
38363
60%
**54
100%
Accurate 2520
<<locked>>
81%
40567
63%
**03
100%
[Accurate 2700]*
<<locked>>
85%
36724
57%
**30
90%
Accurate 4064
<<locked>>
81%
31981
50%
**20
99%
[Accurate 4350]*
<<locked>>
85%
26672
42%
**21
90%
Alliant AR-Comp
<<locked>>
81%
41568
65%
**03
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
32576
51%
**30
96%
Alliant Reloder-10x
<<locked>>
81%
49153
77%
**76
100%
Alliant Reloder-15
<<locked>>
81%
35331
55%
**02
95%
[Alliant Reloder-16]*
<<locked>>
85%
28703
45%
**51
90%
[Alliant Reloder-17]*
<<locked>>
81%
28152
44%
**67
93%
[Alliant Reloder-23]*
<<locked>>
93%
25788
40%
**88
90%
Baschieri & Pellagri 106
<<locked>>
81%
52011
81%
**66
100%
Baschieri & Pellagri 107
<<locked>>
81%
39044
61%
**74
96%
Hodgdon BL-C2
<<locked>>
81%
40915
64%
**30
99%
Hodgdon Benchmark
<<locked>>
81%
44179
69%
**00
100%
[Hodgdon CFE223]*
<<locked>>
81%
34040
53%
**92
94%
Hodgdon H322
<<locked>>
81%
44991
70%
**53
100%
Hodgdon H335
<<locked>>
81%
52750
82%
**84
100%
[Hodgdon H380]*
<<locked>>
81%
32924
51%
**30
93%
[Hodgdon H414]*
<<locked>>
86%
34374
54%
**05
90%
[Hodgdon H4350]*
<<locked>>
93%
36506
57%
**92
90%
[Hodgdon Hybrid 100V]*
<<locked>>
83%
24337
38%
**00
90%
[Hodgdon LVR]*
<<locked>>
83%
29225
46%
**61
90%
[Hodgdon Superperformance]*
<<locked>>
91%
37652
59%
**80
90%
Hodgdon VARGET
<<locked>>
81%
33576
52%
**16
95%
Hodgdon TrailBoss
<<locked>>
86%
27717
43%
**47
100%
IMR 3031
<<locked>>
81%
35868
56%
**25
100%
IMR 4064
<<locked>>
81%
32982
51%
**97
95%
[IMR 4166 Enduron]*
<<locked>>
82%
34519
54%
**97
90%
IMR 4198
<<locked>>
81%
50299
78%
**49
100%
[IMR 4350]*
<<locked>>
91%
35882
56%
**82
90%
[IMR 4451 Enduron]*
<<locked>>
84%
34577
54%
**23
90%
[IMR 4831]*
<<locked>>
89%
26905
42%
**08
90%
IMR 4895
<<locked>>
81%
36216
57%
**35
96%
IMR 8208 XBR
<<locked>>
81%
42163
66%
**00
99%
Lovex D073.4
<<locked>>
81%
49647
77%
**18
100%
Lovex D073.5
<<locked>>
81%
46963
73%
**82
100%
Lovex D073.6
<<locked>>
81%
37913
59%
**54
99%
Lovex S060
<<locked>>
81%
40799
64%
**38
98%
Lovex S062
<<locked>>
81%
34780
54%
**59
97%
[Lovex S065]*
<<locked>>
84%
30487
48%
**31
90%
[Lovex S070]*
<<locked>>
88%
33663
53%
**33
90%
Norma 201
<<locked>>
81%
38305
60%
**25
98%
Norma 202
<<locked>>
81%
39044
61%
**48
100%
Norma 203B
<<locked>>
81%
34650
54%
**85
96%
[Norma URP]*
<<locked>>
84%
27499
43%
**25
90%
Ramshot Big Game
<<locked>>
81%
34505
54%
**98
95%
[Ramshot Hunter]*
<<locked>>
89%
32271
50%
**49
90%
Ramshot TAC
<<locked>>
81%
42192
66%
**00
95%
Ramshot Wild Boar
<<locked>>
81%
41466
65%
**20
98%
Ramshot X-Terminator
<<locked>>
81%
46122
72%
**59
99%
ReloadSwiss RS 14
<<locked>>
83%
26411
41%
**54
100%
ReloadSwiss RS 40
<<locked>>
81%
47587
74%
**95
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
33939
53%
**23
91%
ReloadSwiss RS 52
<<locked>>
81%
33446
52%
**95
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
27383
43%
**48
93%
[ReloadSwiss RS 62]*
<<locked>>
86%
28703
45%
**80
90%
[ReloadSwiss RS 70]*
<<locked>>
88%
31966
50%
**59
90%
Rottweil R 901
<<locked>>
81%
41553
65%
**77
100%
Rottweil R 902
<<locked>>
81%
36376
57%
**72
98%
Rottweil R 903
<<locked>>
81%
29530
46%
**61
95%
[Rottweil R 907]*
<<locked>>
87%
36129
56%
**59
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
31502
49%
**23
94%
SNPE Vectan SP 7
<<locked>>
81%
39595
62%
**54
95%
SNPE Vectan SP 9
<<locked>>
81%
38682
60%
**51
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
40683
63%
**12
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
33214
52%
**61
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
33721
53%
**84
90%
[Shooters World Long Rifle]*
<<locked>>
84%
30487
48%
**31
90%
Shooters World Match Rifle
<<locked>>
81%
37913
59%
**54
99%
Shooters World Precision
<<locked>>
81%
34780
54%
**59
97%
Shooters World Tactical Rifle
<<locked>>
81%
50836
79%
**22
100%
Somchem S321
<<locked>>
81%
45295
71%
**82
100%
Somchem S335
<<locked>>
81%
39726
62%
**05
100%
Somchem S341
<<locked>>
81%
39711
62%
**64
97%
Somchem S355
<<locked>>
81%
30647
48%
**70
95%
[Somchem S365]*
<<locked>>
82%
22350
35%
**83
90%
Vihtavuori N130
<<locked>>
81%
45658
71%
**77
100%
Vihtavuori N133
<<locked>>
81%
38072
59%
**56
100%
Vihtavuori N135
<<locked>>
81%
29965
47%
**41
100%
Vihtavuori N140
<<locked>>
81%
36477
57%
**75
100%
[Vihtavuori N150]*
<<locked>>
81%
25889
40%
**23
94%
[Vihtavuori N160]*
<<locked>>
82%
27659
43%
**95
90%
Vihtavuori N530
<<locked>>
81%
44570
70%
**62
99%
Vihtavuori N540
<<locked>>
81%
36085
56%
**89
99%
[Vihtavuori N550]*
<<locked>>
82%
28123
44%
**44
90%
[Vihtavuori N555]*
<<locked>>
92%
25947
40%
**31
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26266
41%
**23
92%
Winchester 748
<<locked>>
81%
44947
70%
**08
100%
[Winchester 760]*
<<locked>>
86%
34374
54%
**05
90%
Winchester StaBALL Match
<<locked>>
81%
48095
75%
**48
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

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