top of page

Load data for .300 Rem. Ultra Mag + .308 | 150gr | Hornady BTSP

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Rottweil R 905

.300 Rem. Ultra Mag + .308 | 150gr | Hornady BTSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Hornady BTSP
Manufacturer SKU:
3033
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.044" | 26.5mm
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:
0.350" | 8.9mm
Shank Seated Depth:
0.210" | 5.3mm
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_B2666_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:16 - 1:13

Load data for 126 loads in caliber .300 Rem. Ultra Mag with .308 | 150gr | Hornady BTSP bullet and 63 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, 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 2209 👍
<<locked>>
90%
58073
89%
**14
99%
ADI AR 2213
<<locked>>
93%
58320
90%
**50
99%
ADI AR 2217
<<locked>>
97%
48733
75%
**63
97%
ADI AR 2225
<<locked>>
97%
43859
67%
**23
99%
Accurate 3100
<<locked>>
93%
58044
89%
**45
100%
Accurate 4350
<<locked>>
85%
58175
90%
**74
100%
Accurate MAGPRO
<<locked>>
93%
57740
89%
**33
97%
Alliant Reloder-16
<<locked>>
86%
57928
89%
**20
100%
Alliant Reloder-19 👍
<<locked>>
90%
58218
90%
**14
99%
Alliant Reloder-22 👍
<<locked>>
93%
57914
89%
**36
100%
Alliant Reloder-23
<<locked>>
94%
58015
89%
**94
100%
Alliant Reloder-25
<<locked>>
97%
55042
85%
**10
100%
Alliant Reloder-26
<<locked>>
90%
58305
90%
**69
100%
[Alliant Reloder-33]*
<<locked>>
97%
45905
71%
**46
93%
Hodgdon H1000
<<locked>>
97%
48733
75%
**63
97%
Hodgdon H4350
<<locked>>
88%
58218
90%
**54
100%
Hodgdon H4831
<<locked>>
96%
58349
90%
**87
98%
Hodgdon H4831 SC
<<locked>>
92%
58349
90%
**87
98%
Hodgdon Hybrid 100V
<<locked>>
88%
58349
90%
**41
100%
Hodgdon LVR
<<locked>>
84%
58305
90%
**94
100%
Hodgdon Retumbo
<<locked>>
97%
43859
67%
**23
99%
Hodgdon Superperformance
<<locked>>
83%
58015
89%
**14
100%
Hodgdon TrailBoss
<<locked>>
97%
35592
55%
**88
100%
IMR 4350
<<locked>>
87%
58015
89%
**61
100%
IMR 4451 Enduron
<<locked>>
83%
58349
90%
**64
100%
IMR 4831
<<locked>>
90%
58088
89%
**61
100%
IMR 4955 Enduron
<<locked>>
93%
58015
89%
**54
98%
IMR 7828 SSC
<<locked>>
92%
58015
89%
**53
99%
[IMR 7977 Enduron]*
<<locked>>
97%
56826
87%
**76
92%
[IMR 8133 Enduron]*
<<locked>>
97%
39436
61%
**08
94%
Lovex S065
<<locked>>
85%
57986
89%
**35
100%
Lovex S070
<<locked>>
86%
58189
90%
**64
100%
Lovex S071
<<locked>>
97%
55579
86%
**09
100%
Norma 204
<<locked>>
86%
57986
89%
**97
99%
Norma 217
<<locked>>
97%
39711
61%
**38
97%
Norma MRP 👍
<<locked>>
91%
58392
90%
**63
100%
Norma URP
<<locked>>
86%
58320
90%
**91
100%
Ramshot Hunter
<<locked>>
86%
58146
89%
**07
100%
Ramshot Magnum
<<locked>>
93%
58117
89%
**00
100%
ReloadSwiss RS 14
<<locked>>
97%
36376
56%
**34
100%
ReloadSwiss RS 62
<<locked>>
85%
58146
89%
**94
100%
ReloadSwiss RS 70
<<locked>>
85%
58015
89%
**36
100%
ReloadSwiss RS 76
<<locked>>
97%
55201
85%
**63
100%
ReloadSwiss RS 80
<<locked>>
97%
50763
78%
**54
97%
Rottweil R 904
<<locked>>
90%
57972
89%
**74
99%
Rottweil R 905 👍
<<locked>>
91%
58334
90%
**14
100%
Rottweil R 907
<<locked>>
84%
58349
90%
**61
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
58392
90%
**05
100%
Shooters World Long Rifle
<<locked>>
85%
57986
89%
**35
100%
Somchem S361
<<locked>>
89%
58175
90%
**31
98%
Somchem S365
<<locked>>
87%
58407
90%
**77
100%
Somchem S385
<<locked>>
90%
58218
90%
**71
100%
Vihtavuori N150
<<locked>>
86%
57856
89%
**82
100%
Vihtavuori N160
<<locked>>
83%
58117
89%
**41
100%
Vihtavuori N165
<<locked>>
95%
58030
89%
**51
100%
Vihtavuori N550
<<locked>>
83%
57986
89%
**81
100%
Vihtavuori N555
<<locked>>
91%
58117
89%
**87
100%
Vihtavuori N560
<<locked>>
93%
58450
90%
**59
98%
Vihtavuori N565
<<locked>>
97%
58088
89%
**30
99%
Vihtavuori N568
<<locked>>
97%
51300
79%
**54
96%
[Vihtavuori N570]*
<<locked>>
97%
48921
75%
**38
93%
Winchester 6.5 StaBALL
<<locked>>
85%
58160
90%
**02
100%
Winchester StaBALL HD
<<locked>>
95%
57899
89%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42322
65%
**35
96%
[ADI AR 2213]*
<<locked>>
81%
37869
58%
**53
93%
[ADI AR 2217]*
<<locked>>
85%
32474
50%
**85
90%
[ADI AR 2225]*
<<locked>>
83%
27499
42%
**74
90%
Accurate 3100
<<locked>>
81%
38218
59%
**94
98%
Accurate 4350
<<locked>>
81%
50981
78%
**66
100%
[Accurate MAGPRO]*
<<locked>>
81%
37405
58%
**30
90%
Alliant Reloder-16
<<locked>>
81%
48631
75%
**79
100%
Alliant Reloder-19
<<locked>>
81%
42366
65%
**22
96%
Alliant Reloder-22
<<locked>>
81%
38218
59%
**59
95%
Alliant Reloder-23
<<locked>>
81%
36782
57%
**20
100%
Alliant Reloder-25
<<locked>>
81%
31836
49%
**25
96%
Alliant Reloder-26
<<locked>>
81%
41205
63%
**71
99%
[Alliant Reloder-33]*
<<locked>>
94%
40698
63%
**38
90%
[Hodgdon H1000]*
<<locked>>
85%
32474
50%
**85
90%
Hodgdon H4350
<<locked>>
81%
45876
71%
**48
98%
[Hodgdon H4831]*
<<locked>>
81%
35621
55%
**44
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
39827
61%
**53
93%
Hodgdon Hybrid 100V
<<locked>>
81%
46006
71%
**51
100%
Hodgdon LVR
<<locked>>
81%
53098
82%
**09
100%
[Hodgdon Retumbo]*
<<locked>>
83%
27499
42%
**74
90%
Hodgdon Superperformance
<<locked>>
81%
53171
82%
**48
100%
Hodgdon TrailBoss
<<locked>>
81%
28195
43%
**24
100%
IMR 4350
<<locked>>
81%
48182
74%
**94
99%
IMR 4451 Enduron
<<locked>>
81%
54404
84%
**95
100%
IMR 4831
<<locked>>
81%
43540
67%
**28
100%
[IMR 4955 Enduron]*
<<locked>>
81%
39494
61%
**10
93%
[IMR 7828 SSC]*
<<locked>>
81%
38769
60%
**76
93%
[IMR 7977 Enduron]*
<<locked>>
94%
51053
79%
**74
90%
[IMR 8133 Enduron]*
<<locked>>
91%
31821
49%
**18
90%
Lovex S065
<<locked>>
81%
51880
80%
**40
100%
Lovex S070
<<locked>>
81%
50285
77%
**40
99%
Lovex S071
<<locked>>
81%
32605
50%
**56
96%
Norma 204
<<locked>>
81%
48820
75%
**43
98%
[Norma 217]*
<<locked>>
87%
28181
43%
**23
90%
Norma MRP
<<locked>>
81%
40437
62%
**41
97%
Norma URP
<<locked>>
81%
49734
77%
**53
100%
Ramshot Hunter
<<locked>>
81%
48805
75%
**43
100%
Ramshot Magnum
<<locked>>
81%
35679
55%
**80
95%
ReloadSwiss RS 14
<<locked>>
81%
28950
45%
**70
100%
ReloadSwiss RS 62
<<locked>>
81%
51198
79%
**82
100%
ReloadSwiss RS 70
<<locked>>
81%
49647
76%
**09
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
30342
47%
**85
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
35244
54%
**10
90%
Rottweil R 904
<<locked>>
81%
43540
67%
**15
96%
Rottweil R 905
<<locked>>
81%
41684
64%
**05
96%
Rottweil R 907
<<locked>>
81%
53040
82%
**69
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
50908
78%
**84
99%
Shooters World Long Rifle
<<locked>>
81%
51880
80%
**40
100%
Somchem S361
<<locked>>
81%
44788
69%
**95
95%
Somchem S365
<<locked>>
81%
46702
72%
**04
100%
Somchem S385
<<locked>>
81%
42496
65%
**99
97%
Vihtavuori N150
<<locked>>
81%
49400
76%
**61
100%
Vihtavuori N160
<<locked>>
81%
53461
82%
**82
100%
Vihtavuori N165
<<locked>>
81%
35766
55%
**38
95%
Vihtavuori N550
<<locked>>
81%
53896
83%
**28
100%
Vihtavuori N555
<<locked>>
81%
41104
63%
**02
100%
[Vihtavuori N560]*
<<locked>>
81%
38174
59%
**69
93%
[Vihtavuori N565]*
<<locked>>
81%
32982
51%
**15
90%
[Vihtavuori N568]*
<<locked>>
88%
36376
56%
**30
90%
[Vihtavuori N570]*
<<locked>>
93%
42380
65%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50662
78%
**97
100%
Winchester StaBALL HD
<<locked>>
81%
33272
51%
**43
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

bottom of page