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Load data for 6mm-284 + .243 | 71gr | Berger BT Target

Recommended Powder(s): Alliant Reloder-16, Alliant Reloder-23, Alliant Reloder-26, IMR 4831, Vihtavuori N555

6mm-284 + .243 | 71gr | Berger BT Target

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 71gr | Berger BT Target
Bullet Weight:
71gr | 4.6g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
0.908" | 23.1mm
Caliber:
6mm-284 load data
Case Length (l3):
2.170" | 55.1mm
Cartridge Length (C.O.L.):
3.300" | 83.8mm
Seated Depth:
-0.222" | -5.6mm
Shank Seated Depth:
-0.322" | -8.2mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62076 psi | 4280 bar
LID:
LID_B936_C958
Last updated:
2025-12-16
Recommended Twist Rate:
1:11 - 1:9

Load data for 136 loads in caliber 6mm-284 with .243 | 71gr | Berger BT Target bullet and 68 powders such as Alliant Reloder-16, Alliant Reloder-23, Alliant Reloder-26, IMR 4831, Vihtavuori N555. 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>>
93%
55767
90%
**96
97%
ADI AR 2213
<<locked>>
97%
55622
90%
**29
95%
Accurate 2700
<<locked>>
84%
55767
90%
**74
98%
Accurate 3100
<<locked>>
97%
55811
90%
**33
99%
Accurate 4350
<<locked>>
88%
55463
89%
**73
100%
[Accurate MAGPRO]*
<<locked>>
97%
55085
89%
**06
93%
Alliant Reloder-16 👍
<<locked>>
90%
55463
89%
**29
100%
Alliant Reloder-17
<<locked>>
85%
55724
90%
**48
100%
Alliant Reloder-19
<<locked>>
93%
55347
89%
**83
97%
Alliant Reloder-22
<<locked>>
97%
55405
89%
**22
97%
Alliant Reloder-23 👍
<<locked>>
97%
53258
86%
**73
100%
Alliant Reloder-25
<<locked>>
97%
45701
74%
**45
98%
Alliant Reloder-26 👍
<<locked>>
94%
55332
89%
**78
100%
Bofors RP15
<<locked>>
97%
51184
82%
**27
96%
Bofors RP5
<<locked>>
97%
55405
89%
**22
97%
Bofors RP7
<<locked>>
87%
55738
90%
**43
98%
Hodgdon H414
<<locked>>
84%
55724
90%
**06
98%
Hodgdon H4350
<<locked>>
91%
55680
90%
**37
98%
[Hodgdon H4831]*
<<locked>>
97%
51445
83%
**78
94%
Hodgdon H4831 SC
<<locked>>
95%
55680
90%
**63
95%
Hodgdon Hybrid 100V
<<locked>>
91%
55085
89%
**37
100%
Hodgdon LVR
<<locked>>
87%
55245
89%
**73
99%
Hodgdon Superperformance
<<locked>>
86%
55187
89%
**15
98%
Hodgdon VARGET
<<locked>>
83%
55738
90%
**50
100%
Hodgdon TrailBoss
<<locked>>
96%
34795
56%
**39
100%
IMR 4064
<<locked>>
84%
55535
89%
**27
100%
IMR 4166 Enduron
<<locked>>
84%
55085
89%
**10
98%
IMR 4350
<<locked>>
89%
55303
89%
**37
98%
IMR 4451 Enduron
<<locked>>
86%
55854
90%
**40
98%
IMR 4831 👍
<<locked>>
93%
55317
89%
**53
100%
IMR 4955 Enduron
<<locked>>
96%
55767
90%
**33
95%
IMR 7828 SSC
<<locked>>
95%
55347
89%
**29
95%
Lovex S065
<<locked>>
87%
55172
89%
**14
99%
Lovex S070
<<locked>>
88%
55738
90%
**53
98%
Lovex S071
<<locked>>
97%
46253
75%
**46
97%
Norma 204
<<locked>>
89%
55492
89%
**83
97%
Norma MRP
<<locked>>
95%
55419
89%
**52
98%
Norma URP
<<locked>>
89%
55724
90%
**99
100%
Ramshot Grand
<<locked>>
93%
55216
89%
**25
96%
Ramshot Hunter
<<locked>>
89%
55811
90%
**99
99%
Ramshot Magnum
<<locked>>
97%
55738
90%
**89
98%
ReloadSwiss RS 14
<<locked>>
96%
35215
57%
**82
100%
ReloadSwiss RS 60
<<locked>>
83%
55245
89%
**35
100%
ReloadSwiss RS 62
<<locked>>
88%
54984
89%
**79
100%
ReloadSwiss RS 70
<<locked>>
89%
55753
90%
**52
100%
ReloadSwiss RS 76
<<locked>>
97%
45339
73%
**58
96%
Rottweil R 903
<<locked>>
84%
55521
89%
**33
100%
Rottweil R 904
<<locked>>
93%
55622
90%
**47
96%
Rottweil R 905
<<locked>>
94%
55477
89%
**83
97%
Rottweil R 907
<<locked>>
87%
55738
90%
**43
98%
SNPE Vectan Tubal 5000
<<locked>>
83%
55158
89%
**02
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
55564
90%
**81
98%
Shooters World Long Rifle
<<locked>>
87%
55172
89%
**14
99%
Somchem S355
<<locked>>
84%
55201
89%
**27
100%
Somchem S361
<<locked>>
91%
55477
89%
**78
95%
Somchem S365
<<locked>>
91%
55390
89%
**89
100%
Somchem S385
<<locked>>
93%
55129
89%
**47
98%
Vihtavuori N135
<<locked>>
85%
55129
89%
**51
100%
Vihtavuori N150
<<locked>>
89%
55419
89%
**84
100%
Vihtavuori N160
<<locked>>
86%
55550
89%
**40
100%
Vihtavuori N165
<<locked>>
97%
51735
83%
**55
97%
Vihtavuori N550
<<locked>>
86%
55405
89%
**86
100%
Vihtavuori N555 👍
<<locked>>
95%
55666
90%
**96
100%
Vihtavuori N560
<<locked>>
96%
55317
89%
**45
95%
[Vihtavuori N565]*
<<locked>>
97%
48167
78%
**55
93%
Winchester 6.5 StaBALL
<<locked>>
88%
55854
90%
**10
100%
Winchester 760
<<locked>>
84%
55724
90%
**06
98%
Winchester StaBALL HD
<<locked>>
97%
49951
80%
**32
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
82%
37579
61%
**69
90%
[ADI AR 2213]*
<<locked>>
88%
41785
67%
**91
90%
Accurate 2700
<<locked>>
81%
50154
81%
**63
96%
[Accurate 3100]*
<<locked>>
81%
31966
51%
**66
91%
Accurate 4350
<<locked>>
81%
43265
70%
**27
98%
[Accurate MAGPRO]*
<<locked>>
92%
46978
76%
**32
90%
Alliant Reloder-16
<<locked>>
81%
41539
67%
**37
98%
Alliant Reloder-17
<<locked>>
81%
48066
77%
**97
100%
[Alliant Reloder-19]*
<<locked>>
82%
37362
60%
**66
90%
[Alliant Reloder-22]*
<<locked>>
85%
37101
60%
**86
90%
Alliant Reloder-23
<<locked>>
81%
30647
49%
**92
95%
[Alliant Reloder-25]*
<<locked>>
85%
30472
49%
**86
90%
[Alliant Reloder-26]*
<<locked>>
81%
33576
54%
**27
93%
[Bofors RP15]*
<<locked>>
87%
37275
60%
**92
90%
[Bofors RP5]*
<<locked>>
85%
37101
60%
**86
90%
Bofors RP7
<<locked>>
81%
46514
75%
**50
96%
Hodgdon H414
<<locked>>
81%
49255
79%
**65
97%
[Hodgdon H4350]*
<<locked>>
81%
39784
64%
**82
93%
[Hodgdon H4831]*
<<locked>>
91%
42424
68%
**68
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
42424
68%
**68
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39262
63%
**05
98%
Hodgdon LVR
<<locked>>
81%
45934
74%
**86
98%
Hodgdon Superperformance
<<locked>>
81%
44730
72%
**89
95%
Hodgdon VARGET
<<locked>>
81%
51474
83%
**51
100%
Hodgdon TrailBoss
<<locked>>
81%
27891
45%
**56
100%
IMR 4064
<<locked>>
81%
50662
82%
**38
100%
IMR 4166 Enduron
<<locked>>
81%
49632
80%
**06
97%
[IMR 4350]*
<<locked>>
81%
41959
68%
**48
94%
IMR 4451 Enduron
<<locked>>
81%
48124
78%
**89
97%
IMR 4831
<<locked>>
81%
37304
60%
**50
96%
[IMR 4955 Enduron]*
<<locked>>
87%
41843
67%
**28
90%
[IMR 7828 SSC]*
<<locked>>
88%
42018
68%
**23
90%
Lovex S065
<<locked>>
81%
45368
73%
**14
97%
Lovex S070
<<locked>>
81%
43830
71%
**81
95%
[Lovex S071]*
<<locked>>
84%
30806
50%
**23
90%
[Norma 204]*
<<locked>>
81%
41727
67%
**61
92%
[Norma MRP]*
<<locked>>
81%
33953
55%
**20
90%
Norma URP
<<locked>>
81%
42583
69%
**17
98%
[Ramshot Grand]*
<<locked>>
86%
40959
66%
**84
90%
Ramshot Hunter
<<locked>>
81%
41510
67%
**87
95%
[Ramshot Magnum]*
<<locked>>
86%
35476
57%
**04
90%
ReloadSwiss RS 14
<<locked>>
81%
28297
46%
**05
100%
ReloadSwiss RS 60
<<locked>>
81%
50995
82%
**60
100%
ReloadSwiss RS 62
<<locked>>
81%
43352
70%
**27
97%
ReloadSwiss RS 70
<<locked>>
81%
41887
67%
**50
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
35781
58%
**66
90%
Rottweil R 903
<<locked>>
81%
50531
81%
**45
100%
[Rottweil R 904]*
<<locked>>
83%
40263
65%
**99
90%
[Rottweil R 905]*
<<locked>>
82%
36376
59%
**36
90%
Rottweil R 907
<<locked>>
81%
46514
75%
**50
96%
SNPE Vectan Tubal 5000
<<locked>>
81%
50981
82%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44744
72%
**41
96%
Shooters World Long Rifle
<<locked>>
81%
45368
73%
**14
97%
Somchem S355
<<locked>>
81%
50270
81%
**45
100%
[Somchem S361]*
<<locked>>
84%
42308
68%
**92
90%
Somchem S365
<<locked>>
81%
39189
63%
**58
99%
[Somchem S385]*
<<locked>>
81%
36230
58%
**91
91%
Vihtavuori N135
<<locked>>
81%
48704
78%
**46
100%
Vihtavuori N150
<<locked>>
81%
43163
70%
**45
100%
Vihtavuori N160
<<locked>>
81%
45934
74%
**53
98%
[Vihtavuori N165]*
<<locked>>
85%
34795
56%
**45
90%
Vihtavuori N550
<<locked>>
81%
46905
76%
**06
98%
Vihtavuori N555
<<locked>>
81%
34301
55%
**97
95%
[Vihtavuori N560]*
<<locked>>
89%
42308
68%
**40
90%
[Vihtavuori N565]*
<<locked>>
93%
42148
68%
**07
91%
Winchester 6.5 StaBALL
<<locked>>
81%
43685
70%
**74
100%
Winchester 760
<<locked>>
81%
49255
79%
**65
97%
[Winchester StaBALL HD]*
<<locked>>
81%
25034
40%
**20
92%

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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