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Load data for .300 Rem. Ultra Mag + .308 | 212gr | Barnes LRX BT Bore Rider

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, ReloadSwiss RS 80, Vihtavuori N565

.300 Rem. Ultra Mag + .308 | 212gr | Barnes LRX BT Bore Rider

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 212gr | Barnes LRX BT Bore Rider
Manufacturer SKU:
30376
Bullet Weight:
212gr | 13.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.417" | 36.0mm
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:
0.723" | 18.4mm
Shank Seated Depth:
0.565" | 14.4mm
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_B10907_C374
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 100 loads in caliber .300 Rem. Ultra Mag with .308 | 212gr | Barnes LRX BT Bore Rider bullet and 50 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, ReloadSwiss RS 80, 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>>
85%
58407
90%
**20
100%
ADI AR 2213
<<locked>>
88%
58320
90%
**59
100%
ADI AR 2217 👍
<<locked>>
97%
58262
90%
**49
100%
ADI AR 2218
<<locked>>
97%
51053
79%
**46
98%
ADI AR 2225 👍
<<locked>>
97%
53519
82%
**20
100%
Accurate 3100
<<locked>>
88%
58421
90%
**51
100%
[Accurate 8700]*
<<locked>>
97%
40422
62%
**57
94%
Accurate MAGPRO
<<locked>>
88%
57696
89%
**56
99%
Alliant Reloder-19
<<locked>>
86%
58320
90%
**13
100%
Alliant Reloder-22
<<locked>>
88%
58088
89%
**40
100%
Alliant Reloder-23
<<locked>>
89%
58407
90%
**74
100%
Alliant Reloder-25
<<locked>>
93%
58146
89%
**40
100%
Alliant Reloder-26
<<locked>>
84%
58073
89%
**46
100%
Alliant Reloder-33
<<locked>>
97%
56782
87%
**89
99%
Alliant Reloder-50
<<locked>>
97%
48892
75%
**54
97%
Hodgdon H1000 👍
<<locked>>
97%
58262
90%
**49
100%
Hodgdon H4350
<<locked>>
84%
58218
90%
**57
100%
Hodgdon H4831
<<locked>>
91%
58320
90%
**10
100%
Hodgdon H4831 SC
<<locked>>
87%
58117
89%
**00
100%
Hodgdon Hybrid 100V
<<locked>>
83%
58146
89%
**15
100%
Hodgdon Retumbo
<<locked>>
97%
53519
82%
**20
100%
Hodgdon TrailBoss
<<locked>>
96%
35897
55%
**83
100%
IMR 4831
<<locked>>
85%
58421
90%
**51
100%
IMR 4955 Enduron
<<locked>>
88%
57885
89%
**74
100%
IMR 7828 SSC
<<locked>>
87%
58059
89%
**56
100%
IMR 7977 Enduron
<<locked>>
93%
58189
90%
**51
96%
IMR 8133 Enduron
<<locked>>
97%
49240
76%
**48
100%
Lovex D100
<<locked>>
97%
58407
90%
**84
95%
Lovex S071
<<locked>>
93%
58421
90%
**51
100%
Norma 217
<<locked>>
97%
50111
77%
**71
100%
Norma MRP
<<locked>>
86%
58421
90%
**53
100%
[Ramshot LRT]*
<<locked>>
97%
51039
79%
**77
93%
Ramshot Magnum
<<locked>>
88%
58117
89%
**13
100%
ReloadSwiss RS 14
<<locked>>
97%
37188
57%
**29
100%
ReloadSwiss RS 76
<<locked>>
92%
57653
89%
**05
100%
ReloadSwiss RS 80 👍
<<locked>>
95%
57711
89%
**89
100%
Rottweil R 904
<<locked>>
85%
58349
90%
**84
100%
Rottweil R 905
<<locked>>
86%
58479
90%
**10
100%
SNPE Vectan SP 13
<<locked>>
97%
42670
66%
**87
95%
Somchem S361
<<locked>>
84%
58059
89%
**51
100%
Somchem S385
<<locked>>
85%
58015
89%
**67
100%
[Vihtavuori 24N41]*
<<locked>>
97%
51619
79%
**44
93%
Vihtavuori N165
<<locked>>
91%
58334
90%
**64
100%
Vihtavuori N170
<<locked>>
97%
54549
84%
**44
97%
Vihtavuori N555
<<locked>>
86%
58030
89%
**74
100%
Vihtavuori N560
<<locked>>
88%
58218
90%
**69
100%
Vihtavuori N565 👍
<<locked>>
91%
57914
89%
**43
100%
Vihtavuori N568
<<locked>>
95%
58030
89%
**92
100%
Vihtavuori N570
<<locked>>
96%
58001
89%
**25
99%
Winchester StaBALL HD
<<locked>>
89%
57899
89%
**49
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
50386
78%
**08
100%
ADI AR 2213
<<locked>>
81%
45585
70%
**59
99%
ADI AR 2217
<<locked>>
81%
33852
52%
**23
96%
[ADI AR 2218]*
<<locked>>
85%
33489
52%
**56
90%
ADI AR 2225
<<locked>>
81%
31024
48%
**97
98%
Accurate 3100
<<locked>>
81%
46064
71%
**77
100%
[Accurate 8700]*
<<locked>>
91%
33344
51%
**97
90%
Accurate MAGPRO
<<locked>>
81%
45701
70%
**69
98%
Alliant Reloder-19
<<locked>>
81%
50111
77%
**98
100%
Alliant Reloder-22
<<locked>>
81%
46282
71%
**62
100%
Alliant Reloder-23
<<locked>>
81%
44831
69%
**97
100%
Alliant Reloder-25
<<locked>>
81%
39001
60%
**48
100%
Alliant Reloder-26
<<locked>>
81%
51053
79%
**57
100%
[Alliant Reloder-33]*
<<locked>>
81%
31647
49%
**03
90%
[Alliant Reloder-50]*
<<locked>>
86%
32735
50%
**29
90%
Hodgdon H1000
<<locked>>
81%
33852
52%
**23
96%
Hodgdon H4350
<<locked>>
81%
53432
82%
**98
100%
Hodgdon H4831
<<locked>>
81%
42511
65%
**54
98%
Hodgdon H4831 SC
<<locked>>
81%
47369
73%
**46
99%
Hodgdon Hybrid 100V
<<locked>>
81%
54418
84%
**72
100%
Hodgdon Retumbo
<<locked>>
81%
31024
48%
**97
98%
Hodgdon TrailBoss
<<locked>>
92%
33939
52%
**47
100%
IMR 4831
<<locked>>
81%
51706
80%
**66
100%
IMR 4955 Enduron
<<locked>>
81%
46064
71%
**93
99%
IMR 7828 SSC
<<locked>>
81%
47166
73%
**95
99%
[IMR 7977 Enduron]*
<<locked>>
81%
39102
60%
**26
90%
[IMR 8133 Enduron]*
<<locked>>
81%
28529
44%
**15
93%
[Lovex D100]*
<<locked>>
88%
42583
66%
**28
90%
Lovex S071
<<locked>>
81%
39610
61%
**72
100%
Norma 217
<<locked>>
81%
28645
44%
**38
96%
Norma MRP
<<locked>>
81%
49139
76%
**21
100%
[Ramshot LRT]*
<<locked>>
93%
44121
68%
**46
90%
Ramshot Magnum
<<locked>>
81%
44179
68%
**16
100%
ReloadSwiss RS 14
<<locked>>
88%
32837
51%
**47
100%
ReloadSwiss RS 76
<<locked>>
81%
37405
58%
**74
100%
ReloadSwiss RS 80
<<locked>>
81%
34272
53%
**69
95%
Rottweil R 904
<<locked>>
81%
51155
79%
**82
100%
Rottweil R 905
<<locked>>
81%
49951
77%
**92
100%
[SNPE Vectan SP 13]*
<<locked>>
90%
33489
52%
**90
90%
Somchem S361
<<locked>>
81%
52301
80%
**69
99%
Somchem S385
<<locked>>
81%
50372
78%
**66
100%
[Vihtavuori 24N41]*
<<locked>>
92%
44121
68%
**13
90%
Vihtavuori N165
<<locked>>
81%
42685
66%
**34
99%
[Vihtavuori N170]*
<<locked>>
83%
34679
53%
**80
90%
Vihtavuori N555
<<locked>>
81%
49792
77%
**66
100%
Vihtavuori N560
<<locked>>
81%
46485
72%
**82
99%
Vihtavuori N565
<<locked>>
81%
40495
62%
**57
98%
[Vihtavuori N568]*
<<locked>>
81%
35549
55%
**88
94%
[Vihtavuori N570]*
<<locked>>
81%
33765
52%
**69
91%
Winchester StaBALL HD
<<locked>>
81%
43497
67%
**59
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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