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Load data for 6mm-284 + .243 | 85gr | Barnes X BT

Recommended Powder(s): Alliant Reloder-25, Norma MRP, Ramshot Magnum, ReloadSwiss RS 76, Winchester StaBALL HD

6mm-284 + .243 | 85gr | Barnes X BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 85gr | Barnes X BT
Manufacturer SKU:
24310
Bullet Weight:
85gr | 5.5g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
1.035" | 26.3mm
Caliber:
6mm-284 load data
Case Length (l3):
2.170" | 55.1mm
Cartridge Length (C.O.L.):
3.300" | 83.8mm
Seated Depth:
-0.095" | -2.4mm
Shank Seated Depth:
-0.195" | -4.9mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62076 psi | 4280 bar
LID:
LID_B476_C958
Last updated:
2025-12-16
Recommended Twist Rate:
1:10 - 1:8

Load data for 102 loads in caliber 6mm-284 with .243 | 85gr | Barnes X BT bullet and 51 powders such as Alliant Reloder-25, Norma MRP, Ramshot Magnum, ReloadSwiss RS 76, 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>>
88%
55796
90%
**66
98%
ADI AR 2213
<<locked>>
91%
55390
89%
**99
97%
ADI AR 2217
<<locked>>
97%
49705
80%
**68
96%
ADI AR 2225
<<locked>>
97%
45658
74%
**25
98%
Accurate 3100
<<locked>>
90%
55419
89%
**91
100%
Accurate MAGPRO
<<locked>>
91%
55796
90%
**96
95%
Alliant Reloder-16
<<locked>>
84%
55245
89%
**79
100%
Alliant Reloder-19
<<locked>>
88%
55332
89%
**53
98%
Alliant Reloder-22
<<locked>>
91%
55390
89%
**92
98%
Alliant Reloder-23
<<locked>>
92%
55579
90%
**50
100%
Alliant Reloder-25 👍
<<locked>>
96%
55303
89%
**15
100%
Alliant Reloder-26
<<locked>>
87%
55013
89%
**22
100%
Bofors RP15
<<locked>>
93%
55637
90%
**92
98%
Bofors RP30
<<locked>>
97%
52823
85%
**53
97%
Bofors RP5
<<locked>>
91%
55390
89%
**92
98%
Hodgdon H1000
<<locked>>
97%
49705
80%
**68
96%
Hodgdon H4350
<<locked>>
86%
55129
89%
**91
99%
Hodgdon H4831
<<locked>>
94%
55695
90%
**43
97%
Hodgdon H4831 SC
<<locked>>
90%
55405
89%
**27
97%
Hodgdon Hybrid 100V
<<locked>>
86%
55738
90%
**87
100%
Hodgdon Retumbo
<<locked>>
97%
45658
74%
**25
98%
Hodgdon TrailBoss
<<locked>>
96%
35781
58%
**59
100%
IMR 4350
<<locked>>
84%
55463
89%
**07
99%
IMR 4831
<<locked>>
87%
55825
90%
**23
100%
IMR 4955 Enduron
<<locked>>
91%
55274
89%
**91
97%
IMR 7828 SSC
<<locked>>
90%
55593
90%
**09
97%
[IMR 8133 Enduron]*
<<locked>>
97%
41785
67%
**27
94%
Lovex S071
<<locked>>
95%
55593
90%
**94
100%
Norma 204
<<locked>>
84%
55347
89%
**43
98%
Norma 217
<<locked>>
97%
41756
67%
**53
96%
Norma MRP 👍
<<locked>>
89%
55550
89%
**25
99%
Norma URP
<<locked>>
83%
55695
90%
**43
100%
Ramshot Grand
<<locked>>
88%
55042
89%
**06
98%
Ramshot Hunter
<<locked>>
84%
55216
89%
**40
100%
Ramshot Magnum 👍
<<locked>>
91%
55477
89%
**73
99%
ReloadSwiss RS 14
<<locked>>
96%
36405
59%
**05
100%
ReloadSwiss RS 70
<<locked>>
83%
55100
89%
**96
100%
ReloadSwiss RS 76 👍
<<locked>>
96%
55376
89%
**88
100%
ReloadSwiss RS 80
<<locked>>
97%
51605
83%
**60
95%
Rottweil R 904
<<locked>>
87%
55187
89%
**07
97%
Rottweil R 905
<<locked>>
88%
55303
89%
**46
98%
Somchem S361
<<locked>>
86%
55303
89%
**58
97%
Somchem S365
<<locked>>
85%
55622
90%
**40
100%
Somchem S385
<<locked>>
88%
55521
89%
**17
99%
Vihtavuori N150
<<locked>>
83%
55419
89%
**32
100%
Vihtavuori N165
<<locked>>
93%
55869
90%
**07
99%
Vihtavuori N555
<<locked>>
88%
54998
89%
**50
100%
Vihtavuori N560
<<locked>>
91%
55434
89%
**12
97%
Vihtavuori N565
<<locked>>
94%
55143
89%
**79
97%
Vihtavuori N568
<<locked>>
97%
52141
84%
**56
95%
Winchester StaBALL HD 👍
<<locked>>
93%
55390
89%
**68
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44396
72%
**27
96%
[ADI AR 2213]*
<<locked>>
81%
39958
64%
**51
92%
[ADI AR 2217]*
<<locked>>
86%
35984
58%
**10
90%
[ADI AR 2225]*
<<locked>>
83%
30269
49%
**76
90%
Accurate 3100
<<locked>>
81%
41916
68%
**22
98%
[Accurate MAGPRO]*
<<locked>>
82%
40930
66%
**68
90%
Alliant Reloder-16
<<locked>>
81%
50386
81%
**84
100%
Alliant Reloder-19
<<locked>>
81%
44527
72%
**30
96%
[Alliant Reloder-22]*
<<locked>>
81%
40509
65%
**68
94%
Alliant Reloder-23
<<locked>>
81%
39044
63%
**31
100%
Alliant Reloder-25
<<locked>>
81%
34577
56%
**36
96%
Alliant Reloder-26
<<locked>>
81%
43584
70%
**99
99%
[Bofors RP15]*
<<locked>>
81%
38087
61%
**99
93%
[Bofors RP30]*
<<locked>>
83%
34563
56%
**10
90%
[Bofors RP5]*
<<locked>>
81%
40509
65%
**68
94%
[Hodgdon H1000]*
<<locked>>
86%
35984
58%
**10
90%
Hodgdon H4350
<<locked>>
81%
47790
77%
**53
98%
[Hodgdon H4831]*
<<locked>>
81%
37869
61%
**43
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
41713
67%
**41
92%
Hodgdon Hybrid 100V
<<locked>>
81%
47892
77%
**53
100%
[Hodgdon Retumbo]*
<<locked>>
83%
30269
49%
**76
90%
Hodgdon TrailBoss
<<locked>>
81%
28689
46%
**85
100%
IMR 4350
<<locked>>
81%
50096
81%
**92
98%
IMR 4831
<<locked>>
81%
46267
75%
**33
100%
[IMR 4955 Enduron]*
<<locked>>
81%
41365
67%
**95
93%
[IMR 7828 SSC]*
<<locked>>
81%
41089
66%
**91
93%
[IMR 8133 Enduron]*
<<locked>>
91%
35114
57%
**46
90%
Lovex S071
<<locked>>
81%
36260
58%
**74
96%
Norma 204
<<locked>>
81%
50618
82%
**45
97%
[Norma 217]*
<<locked>>
87%
30850
50%
**18
90%
Norma MRP
<<locked>>
81%
42830
69%
**53
97%
Norma URP
<<locked>>
81%
51895
84%
**74
100%
[Ramshot Grand]*
<<locked>>
81%
42975
69%
**50
94%
Ramshot Hunter
<<locked>>
81%
50734
82%
**64
99%
[Ramshot Magnum]*
<<locked>>
81%
38174
61%
**86
94%
ReloadSwiss RS 14
<<locked>>
81%
29385
47%
**31
100%
ReloadSwiss RS 70
<<locked>>
81%
51010
82%
**23
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
33156
53%
**10
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
38783
62%
**51
90%
Rottweil R 904
<<locked>>
81%
45614
73%
**14
95%
Rottweil R 905
<<locked>>
81%
44193
71%
**23
96%
[Somchem S361]*
<<locked>>
81%
46630
75%
**87
94%
Somchem S365
<<locked>>
81%
49516
80%
**25
100%
Somchem S385
<<locked>>
81%
44773
72%
**00
97%
Vihtavuori N150
<<locked>>
81%
51721
83%
**66
100%
[Vihtavuori N165]*
<<locked>>
81%
38130
61%
**30
94%
Vihtavuori N555
<<locked>>
81%
44208
71%
**27
100%
[Vihtavuori N560]*
<<locked>>
81%
40553
65%
**74
92%
[Vihtavuori N565]*
<<locked>>
81%
36013
58%
**33
90%
[Vihtavuori N568]*
<<locked>>
89%
40596
65%
**94
90%
Winchester StaBALL HD
<<locked>>
81%
35969
58%
**68
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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