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Load data for .300 Rem. SA Ultra Mag + .308 | 180gr | MAKER Expanding Subsonic

Recommended Powder(s): Accurate 4350, Alliant Reloder-17, Hodgdon CFE223, Hodgdon LVR, Vihtavuori N550

.300 Rem. SA Ultra Mag + .308 | 180gr | MAKER Expanding Subsonic

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | MAKER Expanding Subsonic
Manufacturer SKU:
308-180G-EXP
Bullet Weight:
180gr | 11.7g
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:
64107 psi | 4420 bar
LID:
LID_B12325_C373
Last updated:
2026-04-03

Load data for 214 loads in caliber .300 Rem. SA Ultra Mag with .308 | 180gr | MAKER Expanding Subsonic bullet and 107 powders such as Accurate 4350, Alliant Reloder-17, Hodgdon CFE223, Hodgdon LVR, Vihtavuori N550. 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 2206H
<<locked>>
87%
57667
90%
**76
100%
ADI AR 2208
<<locked>>
92%
56942
89%
**53
100%
[ADI AR 2209]*
<<locked>>
97%
45818
71%
**48
94%
ADI Benchmark 8208
<<locked>>
85%
57435
90%
**36
100%
Accurate 2200
<<locked>>
85%
57522
90%
**40
100%
Accurate 2495
<<locked>>
85%
57493
90%
**13
100%
Accurate 2520
<<locked>>
84%
56971
89%
**40
100%
Accurate 2700
<<locked>>
92%
57145
89%
**00
98%
Accurate 3100
<<locked>>
97%
38725
60%
**07
96%
Accurate 4064
<<locked>>
90%
57043
89%
**33
100%
Accurate 4350 👍
<<locked>>
97%
54302
85%
**92
100%
Alliant AR-Comp
<<locked>>
84%
56985
89%
**84
100%
Alliant Power Pro 2000-MR
<<locked>>
88%
57058
89%
**90
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
57682
90%
**76
100%
Alliant Reloder-15
<<locked>>
89%
56797
89%
**85
100%
Alliant Reloder-16
<<locked>>
97%
51895
81%
**89
100%
Alliant Reloder-17 👍
<<locked>>
95%
57595
90%
**90
100%
Alliant Reloder-19
<<locked>>
97%
45339
71%
**48
95%
[Alliant Reloder-22]*
<<locked>>
97%
39494
62%
**75
93%
Alliant Reloder-23
<<locked>>
97%
37115
58%
**39
99%
[Alliant Reloder-25]*
<<locked>>
97%
32779
51%
**21
93%
Alliant Reloder-26
<<locked>>
97%
41118
64%
**84
98%
Baschieri & Pellagri 107
<<locked>>
86%
56768
89%
**85
100%
Bofors RP3
<<locked>>
91%
57188
89%
**76
100%
[Bofors RP5]*
<<locked>>
97%
39494
62%
**75
93%
Bofors RP7
<<locked>>
96%
57508
90%
**59
98%
Hodgdon BL-C2
<<locked>>
85%
57537
90%
**89
100%
Hodgdon Benchmark
<<locked>>
84%
57130
89%
**87
100%
Hodgdon CFE223 👍
<<locked>>
90%
56985
89%
**22
100%
Hodgdon H322
<<locked>>
83%
57522
90%
**13
100%
Hodgdon H380
<<locked>>
91%
56869
89%
**79
100%
Hodgdon H414
<<locked>>
94%
57145
89%
**38
99%
Hodgdon H4350
<<locked>>
97%
50009
78%
**67
97%
Hodgdon H4895
<<locked>>
86%
57290
89%
**69
100%
Hodgdon Hybrid 100V
<<locked>>
97%
48704
76%
**77
100%
Hodgdon LVR 👍
<<locked>>
96%
57058
89%
**25
100%
Hodgdon Superperformance
<<locked>>
96%
57029
89%
**71
98%
Hodgdon VARGET
<<locked>>
92%
57406
90%
**59
100%
Hodgdon TrailBoss
<<locked>>
96%
33924
53%
**31
100%
IMR 3031
<<locked>>
89%
57116
89%
**46
100%
IMR 4064
<<locked>>
92%
57130
89%
**46
100%
IMR 4166 Enduron
<<locked>>
93%
57072
89%
**26
99%
IMR 4350
<<locked>>
97%
52910
83%
**13
97%
IMR 4451 Enduron
<<locked>>
94%
57522
90%
**59
98%
IMR 4831
<<locked>>
97%
45469
71%
**38
99%
IMR 4895
<<locked>>
89%
57305
89%
**02
100%
[IMR 4955 Enduron]*
<<locked>>
97%
43381
68%
**39
91%
IMR 8208 XBR
<<locked>>
85%
57435
90%
**36
100%
Lovex D073.6
<<locked>>
87%
57522
90%
**46
100%
Lovex S060
<<locked>>
87%
57450
90%
**07
100%
Lovex S062
<<locked>>
90%
57232
89%
**40
100%
Lovex S065
<<locked>>
97%
57217
89%
**59
99%
Lovex S070
<<locked>>
97%
54984
86%
**49
98%
[Lovex S071]*
<<locked>>
97%
32372
50%
**65
93%
Norma 201
<<locked>>
87%
57464
90%
**36
100%
Norma 202
<<locked>>
87%
57174
89%
**23
100%
Norma 203B
<<locked>>
90%
56927
89%
**82
100%
Norma 204
<<locked>>
97%
53142
83%
**53
96%
Norma MRP
<<locked>>
97%
41336
64%
**41
95%
Norma URP
<<locked>>
97%
52866
82%
**72
100%
Ramshot Big Game
<<locked>>
90%
57682
90%
**08
100%
[Ramshot Grand]*
<<locked>>
97%
43743
68%
**38
92%
Ramshot Hunter
<<locked>>
97%
51532
80%
**66
99%
Ramshot TAC
<<locked>>
85%
57435
90%
**56
99%
Ramshot Wild Boar
<<locked>>
85%
57145
89%
**72
100%
ReloadSwiss RS 14
<<locked>>
96%
34243
53%
**67
100%
ReloadSwiss RS 50
<<locked>>
91%
57609
90%
**69
99%
ReloadSwiss RS 52
<<locked>>
87%
57334
89%
**44
100%
ReloadSwiss RS 60
<<locked>>
93%
57290
89%
**87
100%
ReloadSwiss RS 62
<<locked>>
97%
53287
83%
**02
100%
ReloadSwiss RS 70
<<locked>>
97%
53664
84%
**41
100%
Rottweil R 901
<<locked>>
84%
56971
89%
**90
100%
Rottweil R 902
<<locked>>
89%
57508
90%
**23
100%
Rottweil R 903
<<locked>>
94%
57450
90%
**76
100%
[Rottweil R 904]*
<<locked>>
97%
47601
74%
**25
94%
[Rottweil R 905]*
<<locked>>
97%
43497
68%
**15
94%
Rottweil R 907
<<locked>>
96%
57508
90%
**59
98%
SNPE Vectan SP 11
<<locked>>
93%
57638
90%
**12
100%
SNPE Vectan SP 7
<<locked>>
86%
57508
90%
**59
100%
SNPE Vectan SP 9
<<locked>>
87%
56898
89%
**59
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
57435
90%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
56797
89%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
57392
90%
**13
99%
Shooters World Long Rifle
<<locked>>
97%
57217
89%
**59
99%
Shooters World Match Rifle
<<locked>>
87%
57522
90%
**46
100%
Shooters World Precision
<<locked>>
90%
57232
89%
**40
100%
Somchem S335
<<locked>>
87%
57261
89%
**54
100%
Somchem S341
<<locked>>
86%
56985
89%
**43
100%
Somchem S355
<<locked>>
93%
57624
90%
**72
100%
[Somchem S361]*
<<locked>>
97%
49342
77%
**31
93%
Somchem S365
<<locked>>
97%
47645
74%
**26
100%
Somchem S385
<<locked>>
97%
44628
70%
**08
96%
Vihtavuori N130
<<locked>>
83%
57421
90%
**15
100%
Vihtavuori N133
<<locked>>
88%
57246
89%
**31
100%
Vihtavuori N135
<<locked>>
95%
57450
90%
**90
100%
Vihtavuori N140
<<locked>>
89%
57087
89%
**94
100%
Vihtavuori N150
<<locked>>
97%
54070
84%
**90
100%
Vihtavuori N160
<<locked>>
96%
57261
89%
**89
100%
[Vihtavuori N165]*
<<locked>>
97%
37028
58%
**41
92%
Vihtavuori N530
<<locked>>
83%
57232
89%
**43
100%
Vihtavuori N540
<<locked>>
89%
57566
90%
**30
100%
Vihtavuori N550 👍
<<locked>>
96%
57392
90%
**31
100%
Vihtavuori N555
<<locked>>
97%
40625
63%
**12
99%
Winchester 6.5 StaBALL
<<locked>>
97%
55622
87%
**49
100%
Winchester 760
<<locked>>
94%
57145
89%
**38
99%
Winchester StaBALL HD
<<locked>>
97%
33040
52%
**26
98%
Winchester Supreme 780
<<locked>>
97%
46354
72%
**28
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48327
75%
**31
100%
ADI AR 2208
<<locked>>
81%
41133
64%
**90
98%
[ADI AR 2209]*
<<locked>>
89%
35897
56%
**31
90%
ADI Benchmark 8208
<<locked>>
81%
50459
79%
**38
100%
Accurate 2200
<<locked>>
81%
50531
79%
**41
99%
Accurate 2495
<<locked>>
81%
50140
78%
**21
100%
Accurate 2520
<<locked>>
81%
50865
79%
**57
100%
[Accurate 2700]*
<<locked>>
81%
39436
62%
**05
94%
[Accurate 3100]*
<<locked>>
86%
26774
42%
**24
90%
Accurate 4064
<<locked>>
81%
42293
66%
**20
100%
Accurate 4350
<<locked>>
81%
31270
49%
**59
95%
Alliant AR-Comp
<<locked>>
81%
51430
80%
**15
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
44295
69%
**77
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
40828
64%
**10
99%
Alliant Reloder-15
<<locked>>
81%
43932
69%
**72
99%
Alliant Reloder-16
<<locked>>
81%
31734
49%
**72
95%
Alliant Reloder-17
<<locked>>
81%
35505
55%
**90
98%
[Alliant Reloder-19]*
<<locked>>
88%
34548
54%
**15
90%
[Alliant Reloder-22]*
<<locked>>
93%
34664
54%
**54
90%
[Alliant Reloder-23]*
<<locked>>
81%
22945
36%
**23
91%
[Alliant Reloder-25]*
<<locked>>
92%
28877
45%
**06
90%
[Alliant Reloder-26]*
<<locked>>
84%
26513
41%
**87
90%
Baschieri & Pellagri 107
<<locked>>
81%
47572
74%
**41
99%
Bofors RP3
<<locked>>
81%
40785
64%
**16
99%
[Bofors RP5]*
<<locked>>
93%
34664
54%
**54
90%
[Bofors RP7]*
<<locked>>
81%
36535
57%
**82
93%
Hodgdon BL-C2
<<locked>>
81%
50604
79%
**87
100%
Hodgdon Benchmark
<<locked>>
81%
52040
81%
**18
100%
Hodgdon CFE223
<<locked>>
81%
42409
66%
**89
98%
Hodgdon H322
<<locked>>
81%
53751
84%
**64
100%
Hodgdon H380
<<locked>>
81%
41466
65%
**23
98%
[Hodgdon H414]*
<<locked>>
81%
36492
57%
**70
94%
[Hodgdon H4350]*
<<locked>>
81%
31299
49%
**87
90%
Hodgdon H4895
<<locked>>
81%
48791
76%
**44
100%
Hodgdon Hybrid 100V
<<locked>>
81%
29182
46%
**74
96%
Hodgdon LVR
<<locked>>
81%
34461
54%
**11
95%
[Hodgdon Superperformance]*
<<locked>>
81%
33112
52%
**02
91%
Hodgdon VARGET
<<locked>>
81%
40886
64%
**87
98%
Hodgdon TrailBoss
<<locked>>
81%
27035
42%
**93
100%
IMR 3031
<<locked>>
81%
44947
70%
**72
100%
IMR 4064
<<locked>>
81%
40335
63%
**70
99%
IMR 4166 Enduron
<<locked>>
81%
40132
63%
**34
95%
[IMR 4350]*
<<locked>>
81%
32576
51%
**16
91%
[IMR 4451 Enduron]*
<<locked>>
81%
37898
59%
**15
94%
[IMR 4831]*
<<locked>>
81%
27731
43%
**44
93%
IMR 4895
<<locked>>
81%
44947
70%
**05
100%
[IMR 4955 Enduron]*
<<locked>>
94%
40030
62%
**70
90%
IMR 8208 XBR
<<locked>>
81%
50459
79%
**38
100%
Lovex D073.6
<<locked>>
81%
47935
75%
**15
100%
Lovex S060
<<locked>>
81%
48240
75%
**72
100%
Lovex S062
<<locked>>
81%
43323
68%
**26
100%
Lovex S065
<<locked>>
81%
35331
55%
**65
95%
[Lovex S070]*
<<locked>>
81%
33620
52%
**46
93%
[Lovex S071]*
<<locked>>
91%
27137
42%
**31
90%
Norma 201
<<locked>>
81%
47224
74%
**79
100%
Norma 202
<<locked>>
81%
47892
75%
**89
100%
Norma 203B
<<locked>>
81%
43163
67%
**66
99%
[Norma 204]*
<<locked>>
84%
35186
55%
**08
90%
[Norma MRP]*
<<locked>>
88%
31386
49%
**98
90%
Norma URP
<<locked>>
81%
31749
50%
**59
95%
Ramshot Big Game
<<locked>>
81%
42931
67%
**82
99%
[Ramshot Grand]*
<<locked>>
94%
40147
63%
**62
90%
[Ramshot Hunter]*
<<locked>>
81%
31096
49%
**39
92%
Ramshot TAC
<<locked>>
81%
50444
79%
**54
99%
Ramshot Wild Boar
<<locked>>
81%
50299
78%
**74
100%
ReloadSwiss RS 14
<<locked>>
81%
27441
43%
**29
100%
ReloadSwiss RS 50
<<locked>>
81%
41974
65%
**13
96%
ReloadSwiss RS 52
<<locked>>
81%
46818
73%
**87
99%
ReloadSwiss RS 60
<<locked>>
81%
37753
59%
**56
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
31111
49%
**69
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
31198
49%
**69
93%
Rottweil R 901
<<locked>>
81%
51779
81%
**18
100%
Rottweil R 902
<<locked>>
81%
45121
70%
**36
100%
Rottweil R 903
<<locked>>
81%
38276
60%
**64
99%
[Rottweil R 904]*
<<locked>>
90%
38377
60%
**48
90%
[Rottweil R 905]*
<<locked>>
89%
33808
53%
**02
90%
[Rottweil R 907]*
<<locked>>
81%
36535
57%
**82
93%
SNPE Vectan SP 11
<<locked>>
81%
39421
61%
**16
99%
SNPE Vectan SP 7
<<locked>>
81%
48921
76%
**28
99%
SNPE Vectan SP 9
<<locked>>
81%
47021
73%
**08
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
48747
76%
**30
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40538
63%
**02
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34635
54%
**20
93%
Shooters World Long Rifle
<<locked>>
81%
35331
55%
**65
95%
Shooters World Match Rifle
<<locked>>
81%
47935
75%
**15
100%
Shooters World Precision
<<locked>>
81%
43323
68%
**26
100%
Somchem S335
<<locked>>
81%
48008
75%
**30
100%
Somchem S341
<<locked>>
81%
48515
76%
**18
100%
Somchem S355
<<locked>>
81%
38870
61%
**64
99%
[Somchem S361]*
<<locked>>
91%
40727
64%
**74
90%
Somchem S365
<<locked>>
81%
28558
45%
**13
97%
[Somchem S385]*
<<locked>>
86%
30908
48%
**16
90%
Vihtavuori N130
<<locked>>
81%
53969
84%
**69
100%
Vihtavuori N133
<<locked>>
81%
46108
72%
**77
100%
Vihtavuori N135
<<locked>>
81%
38101
59%
**05
100%
Vihtavuori N140
<<locked>>
81%
44599
70%
**16
100%
Vihtavuori N150
<<locked>>
81%
33156
52%
**23
99%
Vihtavuori N160
<<locked>>
81%
34592
54%
**98
96%
[Vihtavuori N165]*
<<locked>>
93%
32996
51%
**46
90%
Vihtavuori N530
<<locked>>
81%
53461
83%
**90
100%
Vihtavuori N540
<<locked>>
81%
44396
69%
**43
100%
Vihtavuori N550
<<locked>>
81%
34911
54%
**28
96%
[Vihtavuori N555]*
<<locked>>
81%
24424
38%
**98
92%
Winchester 6.5 StaBALL
<<locked>>
81%
32764
51%
**36
98%
[Winchester 760]*
<<locked>>
81%
36492
57%
**70
94%
[Winchester StaBALL HD]*
<<locked>>
86%
23366
36%
**85
90%
[Winchester Supreme 780]*
<<locked>>
89%
35331
55%
**02
90%

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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