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Load data for .300 Rem. Ultra Mag + .308 | 200gr | Lapua Subsonic

Recommended Powder(s): ADI AR 2217, Hodgdon H1000, Hodgdon H4831, ReloadSwiss RS 76, Vihtavuori N565

.300 Rem. Ultra Mag + .308 | 200gr | Lapua Subsonic

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 200gr | Lapua Subsonic
Manufacturer SKU:
4PL7060 | B416
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.420" | 36.1mm
Caliber:
.300 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.544" | 90.0mm
Seated Depth:
0.726" | 18.4mm
Shank Seated Depth:
0.482" | 12.2mm
Case Capacity:
112.5 Grains of Water | 7.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B3172_C374
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 96 loads in caliber .300 Rem. Ultra Mag with .308 | 200gr | Lapua Subsonic bullet and 48 powders such as ADI AR 2217, Hodgdon H1000, Hodgdon H4831, ReloadSwiss RS 76, Vihtavuori N565. 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 2209
<<locked>>
86%
58479
90%
**95
100%
ADI AR 2213
<<locked>>
89%
58030
89%
**18
100%
ADI AR 2217 👍
<<locked>>
97%
56623
87%
**95
100%
ADI AR 2218
<<locked>>
97%
49617
76%
**76
97%
ADI AR 2225
<<locked>>
97%
51808
80%
**66
100%
Accurate 3100
<<locked>>
89%
58030
89%
**20
100%
[Accurate 8700]*
<<locked>>
97%
39059
60%
**84
92%
Accurate MAGPRO
<<locked>>
89%
58305
90%
**35
99%
Alliant Reloder-19
<<locked>>
86%
58044
89%
**79
100%
Alliant Reloder-22
<<locked>>
89%
57696
89%
**99
100%
Alliant Reloder-23
<<locked>>
90%
58378
90%
**49
100%
Alliant Reloder-25
<<locked>>
94%
58262
90%
**18
100%
Alliant Reloder-26
<<locked>>
85%
58305
90%
**18
100%
Alliant Reloder-33
<<locked>>
97%
54940
85%
**22
98%
Alliant Reloder-50
<<locked>>
97%
46398
71%
**71
96%
Hodgdon H1000 👍
<<locked>>
97%
56623
87%
**95
100%
Hodgdon H4350
<<locked>>
84%
58160
90%
**30
100%
Hodgdon H4831 👍
<<locked>>
92%
58291
90%
**72
100%
Hodgdon H4831 SC
<<locked>>
88%
57972
89%
**72
100%
Hodgdon Hybrid 100V
<<locked>>
84%
58204
90%
**90
100%
Hodgdon Retumbo
<<locked>>
97%
51808
80%
**66
100%
Hodgdon TrailBoss
<<locked>>
97%
36230
56%
**39
100%
IMR 4831
<<locked>>
86%
58479
90%
**23
100%
IMR 4955 Enduron
<<locked>>
89%
58175
90%
**46
100%
IMR 7828 SSC
<<locked>>
88%
58030
89%
**25
100%
IMR 7977 Enduron
<<locked>>
94%
57827
89%
**07
95%
IMR 8133 Enduron
<<locked>>
97%
47355
73%
**80
99%
[Lovex D100]*
<<locked>>
97%
56130
86%
**17
94%
Lovex S071
<<locked>>
94%
58030
89%
**20
100%
Norma 217
<<locked>>
97%
48428
75%
**13
100%
Norma MRP
<<locked>>
87%
58407
90%
**28
100%
Ramshot Magnum
<<locked>>
89%
58001
89%
**79
100%
ReloadSwiss RS 14
<<locked>>
97%
36985
57%
**75
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57812
89%
**77
100%
ReloadSwiss RS 80
<<locked>>
96%
57870
89%
**58
100%
Rottweil R 904
<<locked>>
86%
58392
90%
**49
100%
Rottweil R 905
<<locked>>
86%
57754
89%
**76
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
40741
63%
**03
93%
Somchem S361
<<locked>>
85%
58204
90%
**20
100%
Somchem S385
<<locked>>
86%
57986
89%
**43
100%
Vihtavuori N165
<<locked>>
91%
58450
90%
**36
100%
Vihtavuori N170
<<locked>>
97%
52591
81%
**74
96%
Vihtavuori N555
<<locked>>
87%
58233
90%
**56
100%
Vihtavuori N560
<<locked>>
89%
58320
90%
**41
100%
Vihtavuori N565 👍
<<locked>>
92%
57754
89%
**08
100%
Vihtavuori N568
<<locked>>
96%
58204
90%
**58
99%
Vihtavuori N570
<<locked>>
97%
58189
90%
**90
98%
Winchester StaBALL HD
<<locked>>
90%
58146
89%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48863
75%
**48
100%
ADI AR 2213
<<locked>>
81%
43918
68%
**92
98%
ADI AR 2217
<<locked>>
81%
32764
50%
**52
95%
[ADI AR 2218]*
<<locked>>
88%
35331
54%
**54
90%
ADI AR 2225
<<locked>>
81%
30023
46%
**23
97%
Accurate 3100
<<locked>>
81%
44744
69%
**23
100%
[Accurate 8700]*
<<locked>>
94%
34896
54%
**92
90%
Accurate MAGPRO
<<locked>>
81%
44135
68%
**98
97%
Alliant Reloder-19
<<locked>>
81%
48805
75%
**44
100%
Alliant Reloder-22
<<locked>>
81%
44715
69%
**05
99%
Alliant Reloder-23
<<locked>>
81%
43497
67%
**43
100%
Alliant Reloder-25
<<locked>>
81%
37550
58%
**84
100%
Alliant Reloder-26
<<locked>>
81%
49588
76%
**00
100%
[Alliant Reloder-33]*
<<locked>>
84%
33272
51%
**95
90%
[Alliant Reloder-50]*
<<locked>>
89%
34243
53%
**21
90%
Hodgdon H1000
<<locked>>
81%
32764
50%
**52
95%
Hodgdon H4350
<<locked>>
81%
52214
80%
**48
100%
Hodgdon H4831
<<locked>>
81%
41046
63%
**93
97%
Hodgdon H4831 SC
<<locked>>
81%
45788
70%
**75
98%
Hodgdon Hybrid 100V
<<locked>>
81%
52663
81%
**25
100%
Hodgdon Retumbo
<<locked>>
81%
30023
46%
**23
97%
Hodgdon TrailBoss
<<locked>>
87%
31488
48%
**50
100%
IMR 4831
<<locked>>
81%
50067
77%
**15
100%
IMR 4955 Enduron
<<locked>>
81%
45020
69%
**39
98%
IMR 7828 SSC
<<locked>>
81%
45411
70%
**28
99%
[IMR 7977 Enduron]*
<<locked>>
83%
40785
63%
**15
90%
[IMR 8133 Enduron]*
<<locked>>
81%
27557
42%
**41
92%
[Lovex D100]*
<<locked>>
90%
44498
68%
**20
90%
Lovex S071
<<locked>>
81%
38566
59%
**18
100%
Norma 217
<<locked>>
81%
27601
42%
**64
95%
Norma MRP
<<locked>>
81%
47514
73%
**67
100%
Ramshot Magnum
<<locked>>
81%
42467
65%
**43
99%
ReloadSwiss RS 14
<<locked>>
83%
30443
47%
**50
100%
ReloadSwiss RS 76
<<locked>>
81%
35940
55%
**03
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
32822
51%
**92
93%
Rottweil R 904
<<locked>>
81%
49545
76%
**25
99%
Rottweil R 905
<<locked>>
81%
48298
74%
**35
100%
[SNPE Vectan SP 13]*
<<locked>>
92%
34780
54%
**79
90%
Somchem S361
<<locked>>
81%
50894
78%
**18
99%
Somchem S385
<<locked>>
81%
48747
75%
**12
100%
Vihtavuori N165
<<locked>>
81%
41510
64%
**77
99%
[Vihtavuori N170]*
<<locked>>
85%
36303
56%
**65
90%
Vihtavuori N555
<<locked>>
81%
48182
74%
**12
100%
Vihtavuori N560
<<locked>>
81%
45049
69%
**31
98%
Vihtavuori N565
<<locked>>
81%
39146
60%
**90
97%
[Vihtavuori N568]*
<<locked>>
81%
34185
53%
**18
93%
[Vihtavuori N570]*
<<locked>>
82%
34084
52%
**34
90%
Winchester StaBALL HD
<<locked>>
81%
41829
64%
**95
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

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