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Load data for 6mm-284 + .243 | 80gr Hornady CX

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, Norma MRP, Vihtavuori N555, Winchester StaBALL HD

6mm-284 + .243 | 80gr Hornady CX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 80gr Hornady CX
Manufacturer SKU:
26178
Bullet Weight:
80gr | 5.2g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
<<locked>>
Caliber:
6mm-284 load data
Case Length (l3):
2.170" | 55.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62076 psi | 4280 bar
LID:
LID_B1362_C958
Last updated:
2026-03-08
Recommended Twist Rate:
1:9 - 1:8

Load data for 140 loads in caliber 6mm-284 with .243 | 80gr Hornady CX bullet and 70 powders such as Alliant Reloder-23, Alliant Reloder-26, Norma MRP, Vihtavuori N555, 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>>
92%
55288
89%
**51
98%
ADI AR 2213
<<locked>>
96%
55434
89%
**88
97%
[ADI AR 2217]*
<<locked>>
97%
41727
67%
**50
92%
[ADI AR 2225]*
<<locked>>
97%
36898
59%
**77
94%
Accurate 2700
<<locked>>
83%
55521
89%
**30
98%
Accurate 3100
<<locked>>
96%
55056
89%
**79
99%
Accurate 4350
<<locked>>
87%
55274
89%
**28
100%
Accurate MAGPRO
<<locked>>
96%
55303
89%
**81
95%
Alliant Reloder-16
<<locked>>
89%
55680
90%
**84
100%
Alliant Reloder-17
<<locked>>
84%
55100
89%
**78
100%
Alliant Reloder-19
<<locked>>
93%
55680
90%
**45
98%
Alliant Reloder-22
<<locked>>
96%
55201
89%
**74
98%
Alliant Reloder-23 👍
<<locked>>
97%
54288
87%
**32
100%
Alliant Reloder-25
<<locked>>
97%
46992
76%
**33
99%
Alliant Reloder-26 👍
<<locked>>
93%
55637
90%
**33
100%
[Baschieri & Pellagri 109]*
<<locked>>
96%
55724
90%
**92
93%
Bofors RP15
<<locked>>
97%
52576
85%
**28
97%
[Bofors RP30]*
<<locked>>
97%
42859
69%
**25
93%
Bofors RP5
<<locked>>
96%
55201
89%
**74
98%
Bofors RP7
<<locked>>
85%
54984
89%
**83
98%
[Hodgdon H1000]*
<<locked>>
97%
41727
67%
**50
92%
Hodgdon H414
<<locked>>
83%
54984
89%
**45
99%
Hodgdon H4350
<<locked>>
90%
55317
89%
**86
98%
Hodgdon H4831
<<locked>>
97%
53476
86%
**79
95%
Hodgdon H4831 SC
<<locked>>
94%
55361
89%
**15
96%
Hodgdon Hybrid 100V
<<locked>>
90%
55085
89%
**86
100%
Hodgdon LVR
<<locked>>
86%
55332
89%
**28
100%
[Hodgdon Retumbo]*
<<locked>>
97%
36898
59%
**77
94%
Hodgdon Superperformance
<<locked>>
86%
55405
89%
**65
99%
Hodgdon TrailBoss
<<locked>>
96%
34795
56%
**11
100%
IMR 4166 Enduron
<<locked>>
84%
55840
90%
**73
99%
IMR 4350
<<locked>>
89%
55201
89%
**96
99%
IMR 4451 Enduron
<<locked>>
85%
55637
90%
**92
99%
IMR 4831
<<locked>>
92%
54969
89%
**06
100%
IMR 4955 Enduron
<<locked>>
95%
55622
90%
**99
96%
IMR 7828 SSC
<<locked>>
95%
55622
90%
**91
97%
Lovex S065
<<locked>>
86%
55274
89%
**79
100%
Lovex S070
<<locked>>
88%
55579
90%
**06
99%
Lovex S071
<<locked>>
97%
47355
76%
**28
98%
Norma 204
<<locked>>
88%
54868
88%
**15
97%
Norma MRP 👍
<<locked>>
94%
55259
89%
**01
99%
Norma URP
<<locked>>
88%
55767
90%
**35
100%
Ramshot Grand
<<locked>>
93%
55738
90%
**01
97%
Ramshot Hunter
<<locked>>
88%
55056
89%
**45
99%
Ramshot Magnum
<<locked>>
96%
55042
89%
**38
98%
ReloadSwiss RS 14
<<locked>>
96%
35665
57%
**64
100%
ReloadSwiss RS 62
<<locked>>
87%
55303
89%
**48
100%
ReloadSwiss RS 70
<<locked>>
88%
55042
89%
**88
100%
ReloadSwiss RS 76
<<locked>>
97%
46572
75%
**83
98%
Rottweil R 903
<<locked>>
83%
55738
90%
**96
100%
Rottweil R 904
<<locked>>
92%
55840
90%
**06
97%
Rottweil R 905
<<locked>>
93%
55332
89%
**38
98%
Rottweil R 907
<<locked>>
85%
54984
89%
**83
98%
SNPE Vectan Tubal 7000
<<locked>>
87%
55419
89%
**33
99%
Shooters World Long Rifle
<<locked>>
86%
55274
89%
**79
100%
Somchem S361
<<locked>>
91%
55303
89%
**50
96%
Somchem S365
<<locked>>
90%
55825
90%
**45
100%
Somchem S385
<<locked>>
93%
55332
89%
**06
99%
Vihtavuori N135
<<locked>>
85%
55796
90%
**01
100%
Vihtavuori N150
<<locked>>
88%
55434
89%
**37
100%
Vihtavuori N160
<<locked>>
86%
55477
89%
**92
100%
Vihtavuori N165
<<locked>>
97%
53011
85%
**33
98%
Vihtavuori N550
<<locked>>
85%
55317
89%
**35
100%
Vihtavuori N555 👍
<<locked>>
94%
55114
89%
**51
100%
Vihtavuori N560
<<locked>>
95%
55274
89%
**04
96%
Vihtavuori N565
<<locked>>
97%
49066
79%
**43
95%
Winchester 6.5 StaBALL
<<locked>>
87%
55825
90%
**50
100%
Winchester 760
<<locked>>
83%
54984
89%
**45
99%
Winchester StaBALL HD 👍
<<locked>>
97%
52141
84%
**17
100%
Winchester Supreme 780
<<locked>>
92%
55492
89%
**99
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
37086
60%
**38
92%
[ADI AR 2213]*
<<locked>>
85%
38421
62%
**81
90%
[ADI AR 2217]*
<<locked>>
94%
38479
62%
**64
90%
[ADI AR 2225]*
<<locked>>
93%
32590
52%
**23
90%
Accurate 2700
<<locked>>
81%
51430
83%
**61
98%
[Accurate 3100]*
<<locked>>
81%
32518
52%
**67
93%
Accurate 4350
<<locked>>
81%
44237
71%
**09
99%
[Accurate MAGPRO]*
<<locked>>
89%
43033
69%
**09
90%
Alliant Reloder-16
<<locked>>
81%
42583
69%
**22
99%
Alliant Reloder-17
<<locked>>
81%
49806
80%
**76
100%
[Alliant Reloder-19]*
<<locked>>
81%
37072
60%
**25
92%
[Alliant Reloder-22]*
<<locked>>
82%
34505
56%
**76
90%
Alliant Reloder-23
<<locked>>
81%
31459
51%
**04
97%
[Alliant Reloder-25]*
<<locked>>
82%
28689
46%
**12
90%
Alliant Reloder-26
<<locked>>
81%
34519
56%
**45
95%
[Baschieri & Pellagri 109]*
<<locked>>
91%
46789
75%
**02
90%
[Bofors RP15]*
<<locked>>
85%
34722
56%
**86
90%
[Bofors RP30]*
<<locked>>
92%
36303
58%
**48
90%
[Bofors RP5]*
<<locked>>
82%
34505
56%
**76
90%
Bofors RP7
<<locked>>
81%
47659
77%
**32
97%
[Hodgdon H1000]*
<<locked>>
94%
38479
62%
**64
90%
Hodgdon H414
<<locked>>
81%
50807
82%
**53
98%
Hodgdon H4350
<<locked>>
81%
41060
66%
**81
95%
[Hodgdon H4831]*
<<locked>>
88%
39059
63%
**58
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
39059
63%
**58
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40045
65%
**81
99%
Hodgdon LVR
<<locked>>
81%
46992
76%
**71
99%
[Hodgdon Retumbo]*
<<locked>>
93%
32590
52%
**23
90%
Hodgdon Superperformance
<<locked>>
81%
46079
74%
**74
97%
Hodgdon TrailBoss
<<locked>>
81%
27702
45%
**28
100%
IMR 4166 Enduron
<<locked>>
81%
50937
82%
**84
98%
IMR 4350
<<locked>>
81%
42917
69%
**36
96%
IMR 4451 Enduron
<<locked>>
81%
49124
79%
**58
98%
IMR 4831
<<locked>>
81%
38232
62%
**45
97%
[IMR 4955 Enduron]*
<<locked>>
84%
38783
62%
**22
90%
[IMR 7828 SSC]*
<<locked>>
85%
38551
62%
**97
90%
Lovex S065
<<locked>>
81%
46514
75%
**96
98%
Lovex S070
<<locked>>
81%
44512
72%
**76
97%
[Lovex S071]*
<<locked>>
82%
28282
46%
**23
90%
[Norma 204]*
<<locked>>
81%
42946
69%
**69
94%
[Norma MRP]*
<<locked>>
81%
34301
55%
**02
92%
Norma URP
<<locked>>
81%
43671
70%
**02
99%
[Ramshot Grand]*
<<locked>>
83%
38058
61%
**00
91%
Ramshot Hunter
<<locked>>
81%
42670
69%
**69
97%
[Ramshot Magnum]*
<<locked>>
83%
33141
53%
**13
90%
ReloadSwiss RS 14
<<locked>>
81%
28485
46%
**80
100%
ReloadSwiss RS 62
<<locked>>
81%
44657
72%
**28
99%
ReloadSwiss RS 70
<<locked>>
81%
42859
69%
**41
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
33359
54%
**76
90%
Rottweil R 903
<<locked>>
81%
51372
83%
**10
100%
[Rottweil R 904]*
<<locked>>
81%
38493
62%
**15
91%
[Rottweil R 905]*
<<locked>>
81%
36419
59%
**15
92%
Rottweil R 907
<<locked>>
81%
47659
77%
**32
97%
SNPE Vectan Tubal 7000
<<locked>>
81%
45629
74%
**30
97%
Shooters World Long Rifle
<<locked>>
81%
46514
75%
**96
98%
[Somchem S361]*
<<locked>>
81%
39363
63%
**02
90%
Somchem S365
<<locked>>
81%
40292
65%
**40
100%
[Somchem S385]*
<<locked>>
81%
36854
59%
**95
93%
Vihtavuori N135
<<locked>>
81%
49647
80%
**05
100%
Vihtavuori N150
<<locked>>
81%
44164
71%
**27
100%
Vihtavuori N160
<<locked>>
81%
47195
76%
**28
99%
[Vihtavuori N165]*
<<locked>>
82%
32256
52%
**44
90%
Vihtavuori N550
<<locked>>
81%
47950
77%
**91
99%
Vihtavuori N555
<<locked>>
81%
34954
56%
**92
97%
[Vihtavuori N560]*
<<locked>>
86%
39653
64%
**43
90%
[Vihtavuori N565]*
<<locked>>
90%
38711
62%
**94
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44759
72%
**59
100%
Winchester 760
<<locked>>
81%
50807
82%
**53
98%
Winchester StaBALL HD
<<locked>>
81%
26397
43%
**61
95%
[Winchester Supreme 780]*
<<locked>>
81%
36941
60%
**82
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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