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Load data for 7 x 64 Brenneke + .284 | 140gr | Barnes MRX BT

Recommended Powder(s):

7 x 64 Brenneke + .284 | 140gr | Barnes MRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Barnes MRX BT
Manufacturer SKU:
28484
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
7 x 64 Brenneke load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
66.0 Grains of Water | 4.29 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B565_C1094
Last updated:
2026-03-13
Recommended Twist Rate:
1:12 - 1:10

Load data for 192 loads in caliber 7 x 64 Brenneke with .284 | 140gr | Barnes MRX BT bullet and 96 powder(s). 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 2206H
<<locked>>
85%
53388
89%
**51
100%
ADI AR 2208
<<locked>>
91%
54085
90%
**44
100%
[ADI AR 2209]*
<<locked>>
97%
44860
75%
**56
93%
ADI Benchmark 8208
<<locked>>
84%
53780
89%
**28
100%
Accurate 2200
<<locked>>
84%
53867
89%
**31
99%
Accurate 2495
<<locked>>
84%
53592
89%
**08
100%
Accurate 2520
<<locked>>
84%
53911
90%
**38
100%
Accurate 2700
<<locked>>
91%
53621
89%
**82
97%
[Accurate 3100]*
<<locked>>
96%
36303
60%
**69
94%
Accurate 4064
<<locked>>
90%
53301
89%
**28
100%
Accurate 4350
<<locked>>
96%
51242
85%
**84
99%
Alliant AR-Comp
<<locked>>
83%
53519
89%
**89
100%
Alliant Power Pro 2000-MR
<<locked>>
87%
53403
89%
**76
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
53983
90%
**74
100%
Alliant Reloder-15
<<locked>>
88%
53867
89%
**84
100%
Alliant Reloder-16
<<locked>>
97%
50198
83%
**00
99%
Alliant Reloder-17 👍
<<locked>>
94%
53548
89%
**76
100%
[Alliant Reloder-19]*
<<locked>>
96%
43221
72%
**26
93%
Alliant Reloder-23
<<locked>>
97%
35433
59%
**12
97%
Alliant Reloder-26
<<locked>>
97%
39479
66%
**62
96%
Baschieri & Pellagri 107
<<locked>>
85%
53156
88%
**67
99%
Bofors RP3
<<locked>>
91%
53925
90%
**81
100%
Bofors RP7
<<locked>>
94%
53592
89%
**35
97%
Hodgdon BL-C2
<<locked>>
84%
53606
89%
**71
100%
Hodgdon CFE223
<<locked>>
89%
53577
89%
**13
100%
Hodgdon H380 👍
<<locked>>
90%
53824
89%
**74
99%
Hodgdon H414
<<locked>>
93%
53940
90%
**30
98%
Hodgdon H4350
<<locked>>
97%
48327
80%
**66
96%
Hodgdon H4895
<<locked>>
85%
53896
90%
**64
100%
Hodgdon Hybrid 100V
<<locked>>
97%
46528
77%
**69
100%
Hodgdon LVR
<<locked>>
95%
53388
89%
**07
99%
Hodgdon Superperformance
<<locked>>
95%
53272
89%
**40
97%
Hodgdon VARGET
<<locked>>
91%
53592
89%
**38
100%
Hodgdon TrailBoss
<<locked>>
96%
33591
56%
**26
100%
IMR 3031
<<locked>>
88%
53388
89%
**38
100%
IMR 4064
<<locked>>
91%
53447
89%
**35
100%
IMR 4166 Enduron
<<locked>>
92%
53287
89%
**12
97%
IMR 4350
<<locked>>
97%
51837
86%
**28
97%
IMR 4451 Enduron
<<locked>>
93%
53722
89%
**41
97%
IMR 4831
<<locked>>
97%
43918
73%
**36
98%
IMR 4895
<<locked>>
87%
53301
89%
**77
100%
IMR 8208 XBR
<<locked>>
84%
53780
89%
**28
100%
Lovex D073.6
<<locked>>
85%
53185
88%
**28
100%
Lovex S060
<<locked>>
86%
54070
90%
**99
100%
Lovex S062
<<locked>>
89%
53853
89%
**38
100%
Lovex S065
<<locked>>
95%
53519
89%
**44
99%
Lovex S070
<<locked>>
97%
53403
89%
**64
98%
Norma 201
<<locked>>
86%
53737
89%
**25
100%
Norma 202
<<locked>>
86%
53548
89%
**12
100%
Norma 203B
<<locked>>
89%
53969
90%
**84
100%
Norma 204
<<locked>>
97%
52257
87%
**71
95%
[Norma MRP]*
<<locked>>
97%
39682
66%
**30
93%
Norma URP
<<locked>>
97%
51590
86%
**84
99%
Ramshot Big Game
<<locked>>
88%
53534
89%
**90
100%
Ramshot Hunter
<<locked>>
97%
50473
84%
**81
98%
Ramshot TAC
<<locked>>
84%
53563
89%
**31
99%
Ramshot Wild Boar
<<locked>>
84%
54143
90%
**71
100%
ReloadSwiss RS 14
<<locked>>
96%
33895
56%
**65
100%
ReloadSwiss RS 50
<<locked>>
90%
53824
89%
**44
98%
ReloadSwiss RS 52
<<locked>>
86%
53345
89%
**30
100%
ReloadSwiss RS 60
<<locked>>
92%
53998
90%
**86
100%
ReloadSwiss RS 62
<<locked>>
97%
51590
86%
**10
99%
ReloadSwiss RS 70
<<locked>>
97%
51750
86%
**46
99%
Rottweil R 901
<<locked>>
84%
54128
90%
**02
100%
Rottweil R 902
<<locked>>
88%
53925
90%
**15
100%
Rottweil R 903 👍
<<locked>>
92%
53243
88%
**58
100%
[Rottweil R 904]*
<<locked>>
97%
45963
76%
**20
92%
[Rottweil R 905]*
<<locked>>
97%
42293
70%
**13
93%
Rottweil R 907
<<locked>>
94%
53592
89%
**35
97%
SNPE Vectan SP 11 👍
<<locked>>
91%
53853
89%
**04
100%
SNPE Vectan SP 7
<<locked>>
85%
53432
89%
**38
99%
SNPE Vectan SP 9
<<locked>>
86%
53258
88%
**48
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
53650
89%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
54041
90%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
53229
88%
**89
97%
Shooters World Long Rifle
<<locked>>
95%
53519
89%
**44
99%
Shooters World Match Rifle
<<locked>>
85%
53185
88%
**28
100%
Shooters World Precision
<<locked>>
89%
53853
89%
**38
100%
Somchem S335
<<locked>>
86%
53635
89%
**49
100%
Somchem S341
<<locked>>
85%
53171
88%
**31
100%
Somchem S355 👍
<<locked>>
92%
54085
90%
**64
100%
[Somchem S361]*
<<locked>>
97%
47776
79%
**26
92%
Somchem S365
<<locked>>
97%
46180
77%
**35
100%
[Somchem S385]*
<<locked>>
97%
42743
71%
**00
94%
Vihtavuori N133
<<locked>>
87%
53359
89%
**26
100%
Vihtavuori N135
<<locked>>
94%
53766
89%
**85
100%
Vihtavuori N140
<<locked>>
88%
53824
89%
**92
100%
Vihtavuori N150
<<locked>>
97%
52054
86%
**95
100%
Vihtavuori N160
<<locked>>
95%
54012
90%
**81
99%
Vihtavuori N540
<<locked>>
88%
53229
88%
**12
100%
Vihtavuori N550
<<locked>>
95%
53461
89%
**13
99%
Vihtavuori N555
<<locked>>
97%
38667
64%
**90
97%
Winchester 6.5 StaBALL
<<locked>>
97%
54128
90%
**54
100%
Winchester 760
<<locked>>
93%
53940
90%
**30
98%
Winchester StaBALL HD
<<locked>>
97%
31778
53%
**92
97%
[Winchester Supreme 780]*
<<locked>>
97%
44193
73%
**07
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
46920
78%
**40
99%
ADI AR 2208
<<locked>>
81%
39581
66%
**89
98%
[ADI AR 2209]*
<<locked>>
92%
37884
63%
**95
90%
ADI Benchmark 8208
<<locked>>
81%
49182
82%
**53
100%
Accurate 2200
<<locked>>
81%
49052
81%
**49
99%
Accurate 2495
<<locked>>
81%
47630
79%
**26
100%
Accurate 2520
<<locked>>
81%
48805
81%
**69
100%
[Accurate 2700]*
<<locked>>
81%
37855
63%
**93
92%
[Accurate 3100]*
<<locked>>
90%
29095
48%
**92
90%
Accurate 4064
<<locked>>
81%
40147
67%
**12
100%
[Accurate 4350]*
<<locked>>
81%
29602
49%
**25
93%
Alliant AR-Comp
<<locked>>
81%
49313
82%
**30
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
42699
71%
**72
98%
Alliant Reloder- TS 15.5
<<locked>>
81%
39247
65%
**12
99%
Alliant Reloder-15
<<locked>>
81%
42322
70%
**77
98%
[Alliant Reloder-16]*
<<locked>>
81%
30269
50%
**34
93%
Alliant Reloder-17
<<locked>>
81%
33968
56%
**72
97%
[Alliant Reloder-19]*
<<locked>>
92%
37362
62%
**92
90%
[Alliant Reloder-23]*
<<locked>>
84%
24120
40%
**67
91%
[Alliant Reloder-26]*
<<locked>>
88%
28645
48%
**54
90%
Baschieri & Pellagri 107
<<locked>>
81%
46093
77%
**46
99%
Bofors RP3
<<locked>>
81%
38899
65%
**08
99%
[Bofors RP7]*
<<locked>>
81%
34983
58%
**67
91%
Hodgdon BL-C2
<<locked>>
81%
49008
81%
**02
100%
Hodgdon CFE223
<<locked>>
81%
40582
67%
**74
97%
Hodgdon H380
<<locked>>
81%
39798
66%
**18
97%
[Hodgdon H414]*
<<locked>>
81%
35085
58%
**52
92%
[Hodgdon H4350]*
<<locked>>
85%
33576
56%
**51
90%
Hodgdon H4895
<<locked>>
81%
47355
79%
**53
100%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
27644
46%
**39
94%
[Hodgdon LVR]*
<<locked>>
81%
33083
55%
**93
94%
[Hodgdon Superperformance]*
<<locked>>
84%
34722
58%
**49
90%
Hodgdon VARGET
<<locked>>
81%
39276
65%
**72
97%
Hodgdon TrailBoss
<<locked>>
81%
26701
44%
**81
100%
IMR 3031
<<locked>>
81%
43062
72%
**80
100%
IMR 4064
<<locked>>
81%
38914
65%
**62
98%
[IMR 4166 Enduron]*
<<locked>>
81%
38464
64%
**20
93%
[IMR 4350]*
<<locked>>
83%
33446
56%
**54
90%
[IMR 4451 Enduron]*
<<locked>>
81%
36695
61%
**07
92%
[IMR 4831]*
<<locked>>
81%
25962
43%
**97
91%
IMR 4895
<<locked>>
81%
43555
72%
**10
99%
IMR 8208 XBR
<<locked>>
81%
49182
82%
**53
100%
Lovex D073.6
<<locked>>
81%
45818
76%
**13
100%
Lovex S060
<<locked>>
81%
46891
78%
**80
99%
Lovex S062
<<locked>>
81%
41539
69%
**25
99%
[Lovex S065]*
<<locked>>
81%
33852
56%
**54
93%
[Lovex S070]*
<<locked>>
81%
31865
53%
**15
91%
Norma 201
<<locked>>
81%
45397
75%
**87
100%
Norma 202
<<locked>>
81%
46035
76%
**00
100%
Norma 203B
<<locked>>
81%
41684
69%
**64
99%
[Norma 204]*
<<locked>>
87%
37391
62%
**75
90%
[Norma MRP]*
<<locked>>
92%
34272
57%
**85
90%
[Norma URP]*
<<locked>>
81%
30124
50%
**25
93%
Ramshot Big Game
<<locked>>
81%
41350
69%
**77
98%
[Ramshot Hunter]*
<<locked>>
82%
30211
50%
**28
90%
Ramshot TAC
<<locked>>
81%
49066
82%
**56
98%
Ramshot Wild Boar
<<locked>>
81%
48399
80%
**76
100%
ReloadSwiss RS 14
<<locked>>
81%
27108
45%
**21
100%
ReloadSwiss RS 50
<<locked>>
81%
40234
67%
**95
95%
ReloadSwiss RS 52
<<locked>>
81%
44817
74%
**82
99%
ReloadSwiss RS 60
<<locked>>
81%
36274
60%
**44
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
29472
49%
**34
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
29805
50%
**34
91%
Rottweil R 901
<<locked>>
81%
49327
82%
**26
100%
Rottweil R 902
<<locked>>
81%
43250
72%
**35
100%
Rottweil R 903
<<locked>>
81%
36216
60%
**49
98%
[Rottweil R 904]*
<<locked>>
93%
41046
68%
**25
90%
[Rottweil R 905]*
<<locked>>
92%
36201
60%
**82
90%
[Rottweil R 907]*
<<locked>>
81%
34983
58%
**67
91%
SNPE Vectan SP 11
<<locked>>
81%
37724
63%
**05
98%
SNPE Vectan SP 7
<<locked>>
81%
47021
78%
**26
98%
SNPE Vectan SP 9
<<locked>>
81%
45223
75%
**10
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
47152
78%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39146
65%
**03
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
32837
55%
**88
91%
[Shooters World Long Rifle]*
<<locked>>
81%
33852
56%
**54
93%
Shooters World Match Rifle
<<locked>>
81%
45818
76%
**13
100%
Shooters World Precision
<<locked>>
81%
41539
69%
**25
99%
Somchem S335
<<locked>>
81%
46398
77%
**38
100%
Somchem S341
<<locked>>
81%
46876
78%
**23
99%
Somchem S355
<<locked>>
81%
37246
62%
**56
98%
[Somchem S361]*
<<locked>>
94%
43569
72%
**41
90%
Somchem S365
<<locked>>
81%
26934
45%
**79
95%
[Somchem S385]*
<<locked>>
90%
33301
55%
**90
90%
Vihtavuori N133
<<locked>>
81%
44309
74%
**85
100%
Vihtavuori N135
<<locked>>
81%
36318
60%
**97
100%
Vihtavuori N140
<<locked>>
81%
43062
72%
**21
100%
Vihtavuori N150
<<locked>>
81%
31691
53%
**08
98%
[Vihtavuori N160]*
<<locked>>
81%
32837
55%
**67
94%
Vihtavuori N540
<<locked>>
81%
42830
71%
**41
100%
[Vihtavuori N550]*
<<locked>>
81%
33315
55%
**13
94%
[Vihtavuori N555]*
<<locked>>
83%
24656
41%
**06
90%
Winchester 6.5 StaBALL
<<locked>>
81%
31488
52%
**21
96%
[Winchester 760]*
<<locked>>
81%
35085
58%
**52
92%
[Winchester StaBALL HD]*
<<locked>>
90%
25135
42%
**49
91%
[Winchester Supreme 780]*
<<locked>>
92%
37724
63%
**66
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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