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Load data for .300 Rem. Ultra Mag + .308 | 155gr | Berger BT Target

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Alliant Reloder-25, Norma MRP

.300 Rem. Ultra Mag + .308 | 155gr | Berger BT Target

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | Berger BT Target
Manufacturer SKU:
30409
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.212" | 30.8mm
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:
0.518" | 13.2mm
Shank Seated Depth:
0.363" | 9.2mm
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_B1059_C374
Last updated:
2025-02-02
Recommended Twist Rate:
1:13 - 1:11

Load data for 126 loads in caliber .300 Rem. Ultra Mag with .308 | 155gr | Berger BT Target bullet and 63 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Alliant Reloder-25, Norma MRP. 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>>
91%
58218
90%
**87
100%
ADI AR 2213
<<locked>>
94%
58189
90%
**17
99%
ADI AR 2217
<<locked>>
97%
47790
74%
**17
97%
ADI AR 2225
<<locked>>
97%
43062
66%
**81
99%
Accurate 3100
<<locked>>
93%
57885
89%
**12
100%
Accurate 4350
<<locked>>
85%
58363
90%
**48
100%
Accurate MAGPRO
<<locked>>
94%
58363
90%
**17
98%
Alliant Reloder-16
<<locked>>
87%
58233
90%
**81
100%
Alliant Reloder-19 👍
<<locked>>
91%
57986
89%
**74
99%
Alliant Reloder-22 👍
<<locked>>
94%
58349
90%
**00
100%
Alliant Reloder-23
<<locked>>
95%
58146
89%
**54
100%
Alliant Reloder-25 👍
<<locked>>
97%
54085
83%
**64
100%
Alliant Reloder-26
<<locked>>
90%
58436
90%
**27
100%
[Alliant Reloder-33]*
<<locked>>
97%
44962
69%
**07
92%
Hodgdon H1000
<<locked>>
97%
47790
74%
**17
97%
Hodgdon H4350
<<locked>>
89%
58189
90%
**18
100%
Hodgdon H4831
<<locked>>
96%
58160
90%
**51
98%
Hodgdon H4831 SC
<<locked>>
92%
58160
90%
**51
98%
Hodgdon Hybrid 100V
<<locked>>
88%
58059
89%
**95
100%
Hodgdon LVR
<<locked>>
84%
57914
89%
**41
100%
Hodgdon Retumbo
<<locked>>
97%
43062
66%
**81
99%
Hodgdon Superperformance
<<locked>>
84%
58291
90%
**91
100%
Hodgdon TrailBoss
<<locked>>
96%
35302
54%
**49
100%
IMR 4350
<<locked>>
87%
58088
89%
**25
100%
IMR 4451 Enduron
<<locked>>
83%
57914
89%
**12
100%
IMR 4831
<<locked>>
90%
58015
89%
**25
100%
IMR 4955 Enduron
<<locked>>
93%
58102
89%
**25
98%
IMR 7828 SSC
<<locked>>
92%
58189
90%
**14
99%
[IMR 7977 Enduron]*
<<locked>>
97%
55782
86%
**27
92%
[IMR 8133 Enduron]*
<<locked>>
97%
39088
60%
**72
94%
Lovex S065
<<locked>>
85%
58450
90%
**02
100%
Lovex S070
<<locked>>
86%
58363
90%
**22
100%
Lovex S071
<<locked>>
97%
54621
84%
**53
100%
Norma 204
<<locked>>
86%
58407
90%
**64
99%
Norma 217
<<locked>>
97%
39131
60%
**08
97%
Norma MRP 👍
<<locked>>
91%
57957
89%
**20
100%
Norma URP
<<locked>>
86%
57986
89%
**41
100%
Ramshot Hunter
<<locked>>
86%
57957
89%
**64
100%
Ramshot Magnum
<<locked>>
94%
58015
89%
**61
100%
ReloadSwiss RS 14
<<locked>>
96%
36187
56%
**95
100%
ReloadSwiss RS 62
<<locked>>
85%
58378
90%
**54
100%
ReloadSwiss RS 70
<<locked>>
86%
58044
89%
**07
100%
ReloadSwiss RS 76
<<locked>>
97%
54462
84%
**27
100%
ReloadSwiss RS 80
<<locked>>
97%
49632
76%
**99
97%
Rottweil R 904
<<locked>>
90%
58479
90%
**41
99%
Rottweil R 905
<<locked>>
91%
57914
89%
**64
100%
Rottweil R 907
<<locked>>
84%
57914
89%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
57957
89%
**56
100%
Shooters World Long Rifle
<<locked>>
85%
58450
90%
**02
100%
Somchem S361
<<locked>>
89%
58102
89%
**92
98%
Somchem S365
<<locked>>
88%
58334
90%
**41
100%
Somchem S385
<<locked>>
91%
58073
89%
**35
100%
Vihtavuori N150
<<locked>>
86%
58218
90%
**46
100%
Vihtavuori N160
<<locked>>
84%
58421
90%
**15
100%
Vihtavuori N165
<<locked>>
96%
58088
89%
**09
100%
Vihtavuori N550
<<locked>>
83%
58247
90%
**45
100%
Vihtavuori N555
<<locked>>
92%
58117
89%
**58
100%
Vihtavuori N560
<<locked>>
93%
57725
89%
**20
98%
Vihtavuori N565
<<locked>>
97%
57217
88%
**81
99%
Vihtavuori N568
<<locked>>
97%
50444
78%
**05
96%
[Vihtavuori N570]*
<<locked>>
97%
48008
74%
**89
93%
Winchester 6.5 StaBALL
<<locked>>
85%
58276
90%
**63
100%
Winchester StaBALL HD
<<locked>>
95%
58102
89%
**50
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41945
65%
**85
96%
[ADI AR 2213]*
<<locked>>
81%
37478
58%
**13
93%
[ADI AR 2217]*
<<locked>>
85%
32256
50%
**52
90%
[ADI AR 2225]*
<<locked>>
83%
27282
42%
**41
90%
Accurate 3100
<<locked>>
81%
37739
58%
**48
98%
Accurate 4350
<<locked>>
81%
50386
78%
**20
100%
[Accurate MAGPRO]*
<<locked>>
81%
36869
57%
**00
90%
Alliant Reloder-16
<<locked>>
81%
48051
74%
**30
100%
Alliant Reloder-19
<<locked>>
81%
41901
64%
**79
96%
Alliant Reloder-22
<<locked>>
81%
37681
58%
**17
95%
Alliant Reloder-23
<<locked>>
81%
36332
56%
**84
100%
Alliant Reloder-25
<<locked>>
81%
31531
49%
**82
96%
Alliant Reloder-26
<<locked>>
81%
40596
62%
**28
99%
[Alliant Reloder-33]*
<<locked>>
94%
40161
62%
**02
90%
[Hodgdon H1000]*
<<locked>>
85%
32256
50%
**52
90%
Hodgdon H4350
<<locked>>
81%
45658
70%
**15
98%
[Hodgdon H4831]*
<<locked>>
81%
35099
54%
**05
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
39421
61%
**10
93%
Hodgdon Hybrid 100V
<<locked>>
81%
45324
70%
**08
100%
Hodgdon LVR
<<locked>>
81%
52547
81%
**63
100%
[Hodgdon Retumbo]*
<<locked>>
83%
27282
42%
**41
90%
Hodgdon Superperformance
<<locked>>
81%
52721
81%
**99
100%
Hodgdon TrailBoss
<<locked>>
81%
28195
43%
**88
100%
IMR 4350
<<locked>>
81%
47935
74%
**58
99%
IMR 4451 Enduron
<<locked>>
81%
53867
83%
**49
100%
IMR 4831
<<locked>>
81%
43207
66%
**89
100%
[IMR 4955 Enduron]*
<<locked>>
81%
39291
60%
**77
94%
[IMR 7828 SSC]*
<<locked>>
81%
38421
59%
**40
94%
[IMR 7977 Enduron]*
<<locked>>
94%
50531
78%
**31
90%
[IMR 8133 Enduron]*
<<locked>>
91%
31459
48%
**82
90%
Lovex S065
<<locked>>
81%
51561
79%
**04
100%
Lovex S070
<<locked>>
81%
49734
77%
**94
99%
Lovex S071
<<locked>>
81%
32271
50%
**16
96%
Norma 204
<<locked>>
81%
48457
75%
**94
98%
[Norma 217]*
<<locked>>
87%
27717
43%
**77
90%
Norma MRP
<<locked>>
81%
39740
61%
**92
97%
Norma URP
<<locked>>
81%
49255
76%
**07
100%
Ramshot Hunter
<<locked>>
81%
48327
74%
**04
100%
Ramshot Magnum
<<locked>>
81%
35273
54%
**41
95%
ReloadSwiss RS 14
<<locked>>
81%
28979
45%
**34
100%
ReloadSwiss RS 62
<<locked>>
81%
50705
78%
**40
100%
ReloadSwiss RS 70
<<locked>>
81%
48979
75%
**63
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29950
46%
**59
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
34505
53%
**67
90%
Rottweil R 904
<<locked>>
81%
43134
66%
**69
96%
Rottweil R 905
<<locked>>
81%
41408
64%
**72
96%
Rottweil R 907
<<locked>>
81%
52678
81%
**23
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
50372
78%
**38
99%
Shooters World Long Rifle
<<locked>>
81%
51561
79%
**04
100%
Somchem S361
<<locked>>
81%
44280
68%
**53
95%
Somchem S365
<<locked>>
81%
46499
72%
**61
100%
Somchem S385
<<locked>>
81%
42061
65%
**56
97%
Vihtavuori N150
<<locked>>
81%
48994
75%
**18
100%
Vihtavuori N160
<<locked>>
81%
53026
82%
**30
100%
Vihtavuori N165
<<locked>>
81%
35288
54%
**92
95%
Vihtavuori N550
<<locked>>
81%
53461
82%
**72
100%
Vihtavuori N555
<<locked>>
81%
40625
63%
**66
100%
[Vihtavuori N560]*
<<locked>>
81%
37782
58%
**33
93%
[Vihtavuori N565]*
<<locked>>
81%
32648
50%
**79
90%
[Vihtavuori N568]*
<<locked>>
88%
35810
55%
**87
90%
[Vihtavuori N570]*
<<locked>>
93%
41350
64%
**41
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50111
77%
**54
100%
Winchester StaBALL HD
<<locked>>
81%
32764
50%
**07
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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