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Load data for .300 Rem. SA Ultra Mag + .308 | 150gr | Lapua Mega

Recommended Powder(s):

.300 Rem. SA Ultra Mag + .308 | 150gr | Lapua Mega

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Lapua Mega
Manufacturer SKU:
4PL7057 | E469
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Rem. SA Ultra Mag load data
Case Length (l3):
2.003" | 50.9mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
65000 psi | 4482 bar
LID:
LID_B3147_C373
Last updated:
2026-05-29

Load data for 206 loads in caliber .300 Rem. SA Ultra Mag with .308 | 150gr | Lapua Mega bullet and 103 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>>
92%
57827
89%
**12
100%
ADI AR 2208
<<locked>>
97%
57421
88%
**82
99%
ADI AR 2219
<<locked>>
83%
58494
90%
**76
100%
ADI Benchmark 8208
<<locked>>
90%
57841
89%
**79
100%
Accurate 2015
<<locked>>
89%
58044
89%
**07
100%
Accurate 2460
<<locked>>
86%
58421
90%
**56
100%
Accurate 2495
<<locked>>
94%
58001
89%
**53
100%
Accurate 2520
<<locked>>
89%
57450
88%
**86
100%
Accurate 2700
<<locked>>
94%
57972
89%
**36
96%
Accurate 4064
<<locked>>
96%
57943
89%
**02
100%
Accurate 4350
<<locked>>
97%
43830
67%
**44
97%
Alliant AR-Comp
<<locked>>
90%
57566
89%
**53
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
94%
58247
90%
**40
99%
Alliant Reloder- TS 15.5
<<locked>>
96%
56478
87%
**02
100%
Alliant Reloder-10x
<<locked>>
85%
58146
89%
**23
100%
Alliant Reloder-15
<<locked>>
95%
57580
89%
**35
99%
Alliant Reloder-16
<<locked>>
97%
43700
67%
**51
97%
Alliant Reloder-17
<<locked>>
97%
50720
78%
**15
99%
[Alliant Reloder-23]*
<<locked>>
96%
30748
47%
**46
93%
Baschieri & Pellagri 106
<<locked>>
84%
58015
89%
**67
100%
Baschieri & Pellagri 107
<<locked>>
92%
57986
89%
**35
99%
Bofors RP3
<<locked>>
97%
58073
89%
**31
100%
Bofors RP7
<<locked>>
97%
51547
79%
**81
95%
Hodgdon BL-C2
<<locked>>
90%
57653
89%
**22
100%
Hodgdon Benchmark
<<locked>>
89%
58102
89%
**43
100%
Hodgdon CFE223
<<locked>>
87%
57754
89%
**91
99%
Hodgdon H322
<<locked>>
86%
57986
89%
**72
100%
Hodgdon H335
<<locked>>
85%
58001
89%
**86
100%
Hodgdon H380
<<locked>>
96%
57421
88%
**12
99%
[Hodgdon H414]*
<<locked>>
97%
47442
73%
**00
94%
[Hodgdon H4350]*
<<locked>>
97%
52460
81%
**36
94%
Hodgdon H4895
<<locked>>
92%
58363
90%
**25
100%
Hodgdon Hybrid 100V
<<locked>>
97%
40161
62%
**33
97%
[Hodgdon Superperformance]*
<<locked>>
97%
48617
75%
**27
94%
Hodgdon VARGET
<<locked>>
93%
58233
90%
**09
100%
Hodgdon LEVERevolution 👍
<<locked>>
94%
57682
89%
**64
100%
Hodgdon TrailBoss
<<locked>>
96%
33228
51%
**68
100%
IMR 3031
<<locked>>
92%
58146
89%
**15
100%
IMR 4064
<<locked>>
95%
57537
89%
**79
99%
IMR 4166 Enduron
<<locked>>
93%
58088
89%
**56
97%
IMR 4198
<<locked>>
85%
57914
89%
**71
100%
[IMR 4350]*
<<locked>>
97%
45165
69%
**82
93%
IMR 4451 Enduron
<<locked>>
97%
53563
82%
**13
96%
IMR 4831
<<locked>>
97%
42279
65%
**95
96%
IMR 4895 👍
<<locked>>
94%
58291
90%
**48
100%
IMR 8208 XBR
<<locked>>
90%
57841
89%
**79
100%
Lovex D073.4
<<locked>>
84%
58044
89%
**56
100%
Lovex D073.5
<<locked>>
86%
57899
89%
**66
100%
Lovex D073.6
<<locked>>
92%
57450
88%
**95
100%
Lovex S060
<<locked>>
92%
58001
89%
**40
100%
Lovex S062
<<locked>>
96%
58465
90%
**99
100%
Lovex S065
<<locked>>
96%
48776
75%
**41
96%
[Lovex S070]*
<<locked>>
97%
46427
71%
**22
94%
Norma 201
<<locked>>
92%
57798
89%
**79
100%
Norma 202
<<locked>>
92%
58175
90%
**82
100%
Norma 203B
<<locked>>
95%
57508
88%
**31
100%
Norma URP
<<locked>>
97%
43947
68%
**35
96%
Ramshot Big Game
<<locked>>
95%
57595
89%
**41
100%
[Ramshot Hunter]*
<<locked>>
97%
43381
67%
**18
94%
Ramshot TAC
<<locked>>
90%
58233
90%
**89
98%
Ramshot Wild Boar
<<locked>>
90%
58494
90%
**31
100%
Ramshot X-Terminator
<<locked>>
87%
58363
90%
**72
100%
ReloadSwiss RS 14
<<locked>>
96%
33373
51%
**04
100%
ReloadSwiss RS 40
<<locked>>
86%
57841
89%
**66
100%
ReloadSwiss RS 50
<<locked>>
96%
58320
90%
**99
97%
ReloadSwiss RS 52 👍
<<locked>>
93%
57885
89%
**00
99%
ReloadSwiss RS 60 👍
<<locked>>
97%
54259
83%
**81
100%
ReloadSwiss RS 62
<<locked>>
97%
43323
67%
**58
96%
ReloadSwiss RS 70
<<locked>>
97%
44541
69%
**77
95%
Rottweil R 901
<<locked>>
90%
57914
89%
**49
100%
Rottweil R 902
<<locked>>
94%
57798
89%
**66
100%
Rottweil R 903
<<locked>>
97%
53592
82%
**59
100%
Rottweil R 907
<<locked>>
97%
51547
79%
**81
95%
SNPE Vectan SP 11
<<locked>>
97%
55535
85%
**28
99%
SNPE Vectan SP 3
<<locked>>
84%
57348
88%
**23
100%
SNPE Vectan SP 7
<<locked>>
91%
57928
89%
**86
98%
SNPE Vectan SP 9
<<locked>>
93%
58305
90%
**18
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
57624
89%
**90
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
56608
87%
**74
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
48849
75%
**92
95%
Shooters World Long Rifle
<<locked>>
96%
48776
75%
**41
96%
Shooters World Match Rifle
<<locked>>
92%
57450
88%
**95
100%
Shooters World Precision
<<locked>>
96%
58465
90%
**99
100%
Shooters World Tactical Rifle
<<locked>>
84%
57334
88%
**33
100%
Somchem S321
<<locked>>
87%
58015
89%
**02
100%
Somchem S335
<<locked>>
92%
58015
89%
**07
100%
Somchem S341
<<locked>>
91%
57363
88%
**79
100%
Somchem S355
<<locked>>
96%
53896
83%
**59
100%
Somchem S365
<<locked>>
97%
39218
60%
**89
99%
Vihtavuori N130
<<locked>>
88%
58421
90%
**77
100%
Vihtavuori N133
<<locked>>
91%
57595
89%
**74
100%
Vihtavuori N135
<<locked>>
96%
58378
90%
**56
100%
Vihtavuori N140
<<locked>>
94%
57798
89%
**43
100%
Vihtavuori N150
<<locked>>
97%
52330
81%
**94
100%
Vihtavuori N160
<<locked>>
97%
46224
71%
**44
97%
Vihtavuori N530
<<locked>>
90%
58407
90%
**76
100%
Vihtavuori N540
<<locked>>
95%
58407
90%
**72
100%
Vihtavuori N550
<<locked>>
97%
45905
71%
**51
97%
[Vihtavuori N555]*
<<locked>>
97%
32692
50%
**35
93%
Winchester 6.5 StaBALL
<<locked>>
97%
47572
73%
**31
99%
Winchester 748
<<locked>>
90%
58030
89%
**28
100%
[Winchester 760]*
<<locked>>
97%
47442
73%
**00
94%
Winchester StaBALL Match
<<locked>>
93%
58001
89%
**25
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
41568
64%
**30
97%
[ADI AR 2208]*
<<locked>>
81%
35360
54%
**66
94%
ADI AR 2219
<<locked>>
81%
54563
84%
**23
100%
ADI Benchmark 8208
<<locked>>
81%
43642
67%
**43
99%
Accurate 2015
<<locked>>
81%
45078
69%
**13
100%
Accurate 2460
<<locked>>
81%
49095
76%
**18
100%
Accurate 2495
<<locked>>
81%
37362
57%
**21
100%
Accurate 2520
<<locked>>
81%
44309
68%
**79
100%
[Accurate 2700]*
<<locked>>
82%
39001
60%
**89
90%
Accurate 4064
<<locked>>
81%
35360
54%
**08
99%
[Accurate 4350]*
<<locked>>
84%
28253
43%
**70
90%
Alliant AR-Comp
<<locked>>
81%
43076
66%
**46
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
37434
58%
**26
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
34592
53%
**92
96%
Alliant Reloder-10x
<<locked>>
81%
50952
78%
**18
100%
Alliant Reloder-15
<<locked>>
81%
37217
57%
**48
95%
[Alliant Reloder-16]*
<<locked>>
84%
30023
46%
**90
90%
[Alliant Reloder-17]*
<<locked>>
81%
29820
46%
**23
93%
[Alliant Reloder-23]*
<<locked>>
93%
27499
42%
**38
90%
Baschieri & Pellagri 106
<<locked>>
81%
52794
81%
**92
100%
Baschieri & Pellagri 107
<<locked>>
81%
40263
62%
**13
96%
Bofors RP3
<<locked>>
81%
33794
52%
**79
96%
[Bofors RP7]*
<<locked>>
87%
38247
59%
**15
90%
Hodgdon BL-C2
<<locked>>
81%
41901
64%
**56
99%
Hodgdon Benchmark
<<locked>>
81%
45701
70%
**40
99%
Hodgdon CFE223
<<locked>>
81%
46209
71%
**04
98%
Hodgdon H322
<<locked>>
81%
49588
76%
**48
100%
Hodgdon H335
<<locked>>
81%
50778
78%
**77
100%
[Hodgdon H380]*
<<locked>>
81%
35259
54%
**92
93%
[Hodgdon H414]*
<<locked>>
89%
36448
56%
**61
90%
[Hodgdon H4350]*
<<locked>>
89%
40944
63%
**03
90%
Hodgdon H4895
<<locked>>
81%
41858
64%
**36
98%
[Hodgdon Hybrid 100V]*
<<locked>>
82%
25469
39%
**36
90%
[Hodgdon Superperformance]*
<<locked>>
91%
39813
61%
**36
90%
Hodgdon VARGET
<<locked>>
81%
40364
62%
**90
97%
Hodgdon LEVERevolution
<<locked>>
81%
37623
58%
**97
97%
Hodgdon TrailBoss
<<locked>>
81%
26281
40%
**14
100%
IMR 3031
<<locked>>
81%
40727
63%
**36
100%
IMR 4064
<<locked>>
81%
37246
57%
**05
95%
[IMR 4166 Enduron]*
<<locked>>
81%
39972
61%
**25
92%
IMR 4198
<<locked>>
81%
51503
79%
**85
100%
[IMR 4350]*
<<locked>>
91%
38232
59%
**41
90%
[IMR 4451 Enduron]*
<<locked>>
85%
36738
57%
**82
90%
[IMR 4831]*
<<locked>>
85%
28529
44%
**51
90%
IMR 4895
<<locked>>
81%
38159
59%
**87
96%
IMR 8208 XBR
<<locked>>
81%
43642
67%
**43
99%
Lovex D073.4
<<locked>>
81%
51590
79%
**64
100%
Lovex D073.5
<<locked>>
81%
49095
76%
**31
100%
Lovex D073.6
<<locked>>
81%
39943
61%
**07
99%
Lovex S060
<<locked>>
81%
41916
64%
**64
97%
Lovex S062
<<locked>>
81%
36535
56%
**08
97%
[Lovex S065]*
<<locked>>
83%
32256
50%
**84
90%
[Lovex S070]*
<<locked>>
88%
35723
55%
**92
90%
Norma 201
<<locked>>
81%
40727
63%
**84
98%
Norma 202
<<locked>>
81%
40814
63%
**94
100%
Norma 203B
<<locked>>
81%
36738
57%
**38
96%
[Norma URP]*
<<locked>>
84%
29327
45%
**77
90%
Ramshot Big Game
<<locked>>
81%
36056
55%
**41
95%
[Ramshot Hunter]*
<<locked>>
90%
34563
53%
**15
90%
Ramshot TAC
<<locked>>
81%
43497
67%
**36
95%
Ramshot Wild Boar
<<locked>>
81%
42801
66%
**59
98%
Ramshot X-Terminator
<<locked>>
81%
47384
73%
**92
98%
ReloadSwiss RS 14
<<locked>>
81%
26513
41%
**57
100%
ReloadSwiss RS 40
<<locked>>
81%
49182
76%
**41
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
35621
55%
**66
91%
ReloadSwiss RS 52
<<locked>>
81%
38537
59%
**49
96%
ReloadSwiss RS 60
<<locked>>
81%
31749
49%
**92
97%
[ReloadSwiss RS 62]*
<<locked>>
86%
29907
46%
**20
90%
[ReloadSwiss RS 70]*
<<locked>>
88%
33808
52%
**05
90%
Rottweil R 901
<<locked>>
81%
44454
68%
**30
100%
Rottweil R 902
<<locked>>
81%
38841
60%
**38
98%
Rottweil R 903
<<locked>>
81%
31749
49%
**20
95%
[Rottweil R 907]*
<<locked>>
87%
38247
59%
**15
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
32967
51%
**75
94%
SNPE Vectan SP 3
<<locked>>
81%
51866
80%
**41
100%
SNPE Vectan SP 7
<<locked>>
81%
41510
64%
**07
95%
SNPE Vectan SP 9
<<locked>>
81%
40016
62%
**90
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
42453
65%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34853
54%
**03
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
35331
54%
**33
90%
[Shooters World Long Rifle]*
<<locked>>
83%
32256
50%
**84
90%
Shooters World Match Rifle
<<locked>>
81%
39943
61%
**07
99%
Shooters World Precision
<<locked>>
81%
36535
56%
**08
97%
Shooters World Tactical Rifle
<<locked>>
81%
52025
80%
**48
100%
Somchem S321
<<locked>>
81%
46920
72%
**25
99%
Somchem S335
<<locked>>
81%
41742
64%
**51
100%
Somchem S341
<<locked>>
81%
41133
63%
**07
97%
Somchem S355
<<locked>>
81%
32924
51%
**36
95%
[Somchem S365]*
<<locked>>
81%
23757
37%
**23
90%
Vihtavuori N130
<<locked>>
81%
47993
74%
**23
100%
Vihtavuori N133
<<locked>>
81%
42511
65%
**51
100%
Vihtavuori N135
<<locked>>
81%
35824
55%
**85
100%
Vihtavuori N140
<<locked>>
81%
38551
59%
**28
100%
Vihtavuori N150
<<locked>>
81%
31125
48%
**70
96%
[Vihtavuori N160]*
<<locked>>
83%
29298
45%
**44
90%
Vihtavuori N530
<<locked>>
81%
43671
67%
**36
99%
Vihtavuori N540
<<locked>>
81%
37304
57%
**12
99%
[Vihtavuori N550]*
<<locked>>
84%
29675
46%
**77
90%
[Vihtavuori N555]*
<<locked>>
92%
28021
43%
**90
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28065
43%
**72
92%
Winchester 748
<<locked>>
81%
42685
66%
**82
99%
[Winchester 760]*
<<locked>>
89%
36448
56%
**61
90%
Winchester StaBALL Match
<<locked>>
81%
39276
60%
**94
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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