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Load data for 6mm-284 + .243 | 90gr | Berger BT M T

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

6mm-284 + .243 | 90gr | Berger BT M T

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 90gr | Berger BT M T
Bullet Weight:
90gr | 5.8g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
1.084" | 27.5mm
Caliber:
6mm-284 load data
Case Length (l3):
2.170" | 55.1mm
Cartridge Length (C.O.L.):
3.300" | 83.8mm
Seated Depth:
-0.046" | -1.2mm
Shank Seated Depth:
-0.146" | -3.7mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62076 psi | 4280 bar
LID:
LID_B944_C958
Last updated:
2025-12-16
Recommended Twist Rate:
1:9 - 1:8

Load data for 116 loads in caliber 6mm-284 with .243 | 90gr | Berger BT M T bullet and 58 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Winchester StaBALL HD. 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>>
90%
55724
90%
**10
99%
ADI AR 2213
<<locked>>
92%
55216
89%
**33
98%
ADI AR 2217
<<locked>>
97%
47123
76%
**53
96%
ADI AR 2225
<<locked>>
97%
42061
68%
**87
98%
Accurate 3100
<<locked>>
92%
55376
89%
**35
100%
Accurate 4350
<<locked>>
84%
55230
89%
**64
100%
Accurate MAGPRO
<<locked>>
93%
55724
90%
**40
96%
Alliant Reloder-16
<<locked>>
85%
55332
89%
**20
100%
Alliant Reloder-19 👍
<<locked>>
90%
55259
89%
**01
99%
Alliant Reloder-22
<<locked>>
92%
55347
89%
**33
99%
Alliant Reloder-23
<<locked>>
94%
55622
90%
**91
100%
Alliant Reloder-25
<<locked>>
97%
53185
86%
**17
100%
Alliant Reloder-26
<<locked>>
89%
55593
90%
**66
100%
Bofors RP15
<<locked>>
95%
55463
89%
**37
99%
Bofors RP30
<<locked>>
97%
49313
79%
**28
97%
Bofors RP5
<<locked>>
92%
55347
89%
**33
99%
Hodgdon H1000
<<locked>>
97%
47123
76%
**53
96%
Hodgdon H4350
<<locked>>
87%
55564
90%
**41
99%
Hodgdon H4831
<<locked>>
95%
54839
88%
**68
97%
Hodgdon H4831 SC
<<locked>>
91%
54839
88%
**68
97%
Hodgdon Hybrid 100V
<<locked>>
87%
55738
90%
**28
100%
Hodgdon Retumbo
<<locked>>
97%
42061
68%
**87
98%
Hodgdon TrailBoss
<<locked>>
96%
35346
57%
**00
100%
IMR 4350
<<locked>>
86%
55448
89%
**51
99%
IMR 4831
<<locked>>
89%
55550
89%
**61
100%
IMR 4955 Enduron
<<locked>>
92%
55680
90%
**45
97%
IMR 7828 SSC
<<locked>>
92%
55608
90%
**56
98%
[IMR 8133 Enduron]*
<<locked>>
97%
37869
61%
**76
92%
Lovex S065
<<locked>>
84%
55347
89%
**28
100%
Lovex S070
<<locked>>
84%
54984
89%
**35
100%
Lovex S071
<<locked>>
97%
54186
87%
**19
100%
Norma 204
<<locked>>
85%
55274
89%
**71
98%
Norma 217
<<locked>>
97%
38406
62%
**12
95%
Norma MRP 👍
<<locked>>
90%
54723
88%
**37
99%
Norma URP
<<locked>>
85%
55245
89%
**64
100%
Ramshot Grand
<<locked>>
89%
54984
89%
**56
98%
Ramshot Hunter
<<locked>>
86%
55811
90%
**04
100%
Ramshot Magnum
<<locked>>
93%
54998
89%
**97
99%
ReloadSwiss RS 14
<<locked>>
96%
35940
58%
**42
100%
ReloadSwiss RS 62
<<locked>>
84%
55158
89%
**74
100%
ReloadSwiss RS 70
<<locked>>
84%
55071
89%
**37
100%
ReloadSwiss RS 76
<<locked>>
97%
53156
86%
**69
100%
ReloadSwiss RS 80
<<locked>>
97%
48051
77%
**28
95%
Rottweil R 904
<<locked>>
89%
55187
89%
**55
98%
Rottweil R 905 👍
<<locked>>
90%
55579
90%
**94
99%
SNPE Vectan Tubal 7000
<<locked>>
84%
55158
89%
**82
100%
Shooters World Long Rifle
<<locked>>
84%
55347
89%
**28
100%
Somchem S361
<<locked>>
88%
55796
90%
**22
97%
Somchem S365
<<locked>>
86%
55071
89%
**68
100%
Somchem S385
<<locked>>
89%
55419
89%
**61
99%
Vihtavuori N150
<<locked>>
85%
55448
89%
**73
100%
Vihtavuori N165
<<locked>>
95%
55579
90%
**35
99%
Vihtavuori N555
<<locked>>
91%
55666
90%
**94
100%
Vihtavuori N560
<<locked>>
92%
55071
89%
**50
97%
Vihtavuori N565
<<locked>>
97%
55782
90%
**27
98%
Vihtavuori N568
<<locked>>
97%
49400
80%
**48
95%
Winchester 6.5 StaBALL
<<locked>>
84%
55492
89%
**99
100%
Winchester StaBALL HD 👍
<<locked>>
94%
54969
89%
**92
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41669
67%
**09
95%
[ADI AR 2213]*
<<locked>>
81%
37260
60%
**20
91%
[ADI AR 2217]*
<<locked>>
88%
35099
57%
**41
90%
[ADI AR 2225]*
<<locked>>
86%
29370
47%
**00
90%
Accurate 3100
<<locked>>
81%
37449
60%
**71
97%
Accurate 4350
<<locked>>
81%
50038
81%
**66
100%
[Accurate MAGPRO]*
<<locked>>
83%
39668
64%
**82
90%
Alliant Reloder-16
<<locked>>
81%
47703
77%
**76
100%
Alliant Reloder-19
<<locked>>
81%
41611
67%
**05
95%
[Alliant Reloder-22]*
<<locked>>
81%
37420
60%
**36
94%
Alliant Reloder-23
<<locked>>
81%
36071
58%
**04
99%
[Alliant Reloder-25]*
<<locked>>
81%
31111
50%
**72
94%
Alliant Reloder-26
<<locked>>
81%
40205
65%
**58
99%
[Bofors RP15]*
<<locked>>
81%
34708
56%
**54
92%
[Bofors RP30]*
<<locked>>
85%
33069
53%
**28
90%
[Bofors RP5]*
<<locked>>
81%
37420
60%
**36
94%
[Hodgdon H1000]*
<<locked>>
88%
35099
57%
**41
90%
Hodgdon H4350
<<locked>>
81%
45440
73%
**51
98%
[Hodgdon H4831]*
<<locked>>
82%
36042
58%
**48
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
39175
63%
**23
92%
Hodgdon Hybrid 100V
<<locked>>
81%
45150
73%
**41
100%
[Hodgdon Retumbo]*
<<locked>>
86%
29370
47%
**00
90%
Hodgdon TrailBoss
<<locked>>
81%
28224
45%
**26
100%
IMR 4350
<<locked>>
81%
47427
76%
**91
98%
IMR 4831
<<locked>>
81%
43265
70%
**22
99%
[IMR 4955 Enduron]*
<<locked>>
81%
39117
63%
**87
92%
[IMR 7828 SSC]*
<<locked>>
81%
38145
61%
**56
92%
[IMR 8133 Enduron]*
<<locked>>
94%
34345
55%
**74
90%
Lovex S065
<<locked>>
81%
51314
83%
**50
100%
Lovex S070
<<locked>>
81%
49472
80%
**33
99%
[Lovex S071]*
<<locked>>
81%
32111
52%
**20
94%
Norma 204
<<locked>>
81%
47863
77%
**36
97%
[Norma 217]*
<<locked>>
90%
30110
48%
**66
90%
Norma MRP
<<locked>>
81%
39421
64%
**18
96%
Norma URP
<<locked>>
81%
48718
78%
**56
100%
[Ramshot Grand]*
<<locked>>
81%
39842
64%
**15
93%
Ramshot Hunter
<<locked>>
81%
47819
77%
**40
99%
[Ramshot Magnum]*
<<locked>>
81%
34592
56%
**48
93%
ReloadSwiss RS 14
<<locked>>
81%
28790
46%
**72
100%
ReloadSwiss RS 62
<<locked>>
81%
50140
81%
**96
100%
ReloadSwiss RS 70
<<locked>>
81%
48283
78%
**99
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
30110
48%
**62
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
38014
61%
**76
90%
[Rottweil R 904]*
<<locked>>
81%
42772
69%
**99
94%
Rottweil R 905
<<locked>>
81%
40843
66%
**86
95%
SNPE Vectan Tubal 7000
<<locked>>
81%
50256
81%
**91
99%
Shooters World Long Rifle
<<locked>>
81%
51314
83%
**50
100%
[Somchem S361]*
<<locked>>
81%
43743
70%
**76
94%
Somchem S365
<<locked>>
81%
45890
74%
**07
100%
Somchem S385
<<locked>>
81%
41698
67%
**72
96%
Vihtavuori N150
<<locked>>
81%
48878
79%
**58
100%
[Vihtavuori N165]*
<<locked>>
81%
34882
56%
**95
93%
Vihtavuori N555
<<locked>>
81%
40219
65%
**79
99%
[Vihtavuori N560]*
<<locked>>
81%
37318
60%
**40
91%
[Vihtavuori N565]*
<<locked>>
83%
35041
56%
**54
90%
[Vihtavuori N568]*
<<locked>>
90%
38696
62%
**92
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49763
80%
**97
100%
Winchester StaBALL HD
<<locked>>
81%
32198
52%
**00
99%

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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