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Load data for 6mm-284 + .243 | 70gr | Hornady SP

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, IMR 4831, ReloadSwiss RS 70, Vihtavuori N555

6mm-284 + .243 | 70gr | Hornady SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 70gr | Hornady SP
Manufacturer SKU:
2410
Bullet Weight:
70gr | 4.5g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
0.793" | 20.1mm
Caliber:
6mm-284 load data
Case Length (l3):
2.170" | 55.1mm
Cartridge Length (C.O.L.):
3.300" | 83.8mm
Seated Depth:
-0.337" | -8.6mm
Shank Seated Depth:
-0.337" | -8.6mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62076 psi | 4280 bar
LID:
LID_B2537_C958
Last updated:
2025-12-16

Load data for 134 loads in caliber 6mm-284 with .243 | 70gr | Hornady SP bullet and 67 powders such as Alliant Reloder-23, Alliant Reloder-26, IMR 4831, ReloadSwiss RS 70, 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%
55187
89%
**99
97%
ADI AR 2213
<<locked>>
96%
54853
88%
**25
95%
Accurate 2700
<<locked>>
84%
55172
89%
**84
98%
Accurate 3100
<<locked>>
96%
55085
89%
**43
99%
Accurate 4350
<<locked>>
88%
55840
90%
**06
100%
[Accurate MAGPRO]*
<<locked>>
96%
55245
89%
**19
93%
Alliant Reloder-16
<<locked>>
89%
55405
89%
**45
100%
Alliant Reloder-17
<<locked>>
84%
55288
89%
**38
100%
Alliant Reloder-19
<<locked>>
93%
55492
89%
**06
97%
Alliant Reloder-22
<<locked>>
96%
55434
89%
**38
97%
Alliant Reloder-23 👍
<<locked>>
97%
53417
86%
**93
100%
Alliant Reloder-25
<<locked>>
97%
46557
75%
**74
98%
Alliant Reloder-26 👍
<<locked>>
93%
55114
89%
**91
100%
Bofors RP15
<<locked>>
97%
51271
83%
**47
96%
Bofors RP5
<<locked>>
96%
55434
89%
**38
97%
Bofors RP7
<<locked>>
86%
55376
89%
**43
98%
Hodgdon H414
<<locked>>
84%
55114
89%
**15
98%
Hodgdon H4350
<<locked>>
91%
55230
89%
**50
98%
[Hodgdon H4831]*
<<locked>>
97%
52431
84%
**07
94%
Hodgdon H4831 SC
<<locked>>
95%
55869
90%
**86
95%
Hodgdon Hybrid 100V
<<locked>>
91%
55114
89%
**53
100%
Hodgdon LVR
<<locked>>
86%
55637
90%
**09
99%
Hodgdon Superperformance
<<locked>>
86%
55724
90%
**38
98%
Hodgdon VARGET
<<locked>>
83%
55695
90%
**53
100%
Hodgdon TrailBoss
<<locked>>
96%
34693
56%
**56
100%
IMR 4064
<<locked>>
83%
55114
89%
**47
100%
IMR 4166 Enduron
<<locked>>
84%
55579
90%
**37
98%
IMR 4350
<<locked>>
89%
55579
90%
**50
98%
IMR 4451 Enduron
<<locked>>
85%
54998
89%
**40
98%
IMR 4831 👍
<<locked>>
93%
55782
90%
**89
100%
IMR 4955 Enduron
<<locked>>
95%
55172
89%
**40
95%
IMR 7828 SSC
<<locked>>
95%
55027
89%
**45
95%
Lovex S065
<<locked>>
87%
55564
90%
**53
99%
Lovex S070
<<locked>>
88%
55143
89%
**63
98%
Lovex S071
<<locked>>
97%
47050
76%
**66
97%
Norma 204
<<locked>>
88%
54940
89%
**70
96%
Norma MRP
<<locked>>
94%
55579
90%
**71
98%
Norma URP
<<locked>>
88%
55288
89%
**93
100%
Ramshot Grand
<<locked>>
93%
55259
89%
**42
96%
Ramshot Hunter
<<locked>>
89%
55274
89%
**06
99%
Ramshot Magnum
<<locked>>
96%
55230
89%
**93
98%
ReloadSwiss RS 14
<<locked>>
97%
35766
58%
**15
100%
ReloadSwiss RS 62
<<locked>>
88%
55521
89%
**15
100%
ReloadSwiss RS 70 👍
<<locked>>
88%
55114
89%
**52
100%
ReloadSwiss RS 76
<<locked>>
97%
46238
74%
**04
96%
Rottweil R 903
<<locked>>
83%
55056
89%
**47
100%
Rottweil R 904
<<locked>>
92%
55085
89%
**56
95%
Rottweil R 905
<<locked>>
94%
55637
90%
**06
97%
Rottweil R 907
<<locked>>
86%
55376
89%
**43
98%
SNPE Vectan Tubal 5000
<<locked>>
83%
55158
89%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
55796
90%
**94
98%
Shooters World Long Rifle
<<locked>>
87%
55564
90%
**53
99%
Somchem S355
<<locked>>
84%
55724
90%
**50
100%
Somchem S361
<<locked>>
91%
55434
89%
**97
95%
Somchem S365
<<locked>>
91%
55869
90%
**22
100%
Somchem S385
<<locked>>
93%
55216
89%
**50
98%
Vihtavuori N135
<<locked>>
85%
55521
89%
**81
100%
Vihtavuori N150
<<locked>>
88%
54955
89%
**01
100%
Vihtavuori N160
<<locked>>
86%
55129
89%
**53
100%
Vihtavuori N165
<<locked>>
97%
52083
84%
**65
97%
Vihtavuori N550
<<locked>>
86%
55738
90%
**02
100%
Vihtavuori N555 👍
<<locked>>
94%
55201
89%
**15
100%
Vihtavuori N560
<<locked>>
96%
55637
90%
**68
95%
[Vihtavuori N565]*
<<locked>>
97%
48704
78%
**78
93%
Winchester 6.5 StaBALL
<<locked>>
87%
55230
89%
**17
100%
Winchester 760
<<locked>>
84%
55114
89%
**15
98%
Winchester StaBALL HD
<<locked>>
97%
49980
81%
**42
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
82%
37782
61%
**89
90%
[ADI AR 2213]*
<<locked>>
88%
42003
68%
**20
90%
Accurate 2700
<<locked>>
81%
50517
81%
**83
96%
[Accurate 3100]*
<<locked>>
81%
32401
52%
**95
91%
Accurate 4350
<<locked>>
81%
43801
71%
**40
98%
[Accurate MAGPRO]*
<<locked>>
92%
47137
76%
**51
90%
Alliant Reloder-16
<<locked>>
81%
41698
67%
**46
98%
Alliant Reloder-17
<<locked>>
81%
48530
78%
**17
100%
[Alliant Reloder-19]*
<<locked>>
82%
37202
60%
**66
90%
[Alliant Reloder-22]*
<<locked>>
85%
37420
60%
**02
90%
Alliant Reloder-23
<<locked>>
81%
30995
50%
**18
95%
[Alliant Reloder-25]*
<<locked>>
85%
30763
50%
**09
90%
[Alliant Reloder-26]*
<<locked>>
81%
34113
55%
**66
94%
[Bofors RP15]*
<<locked>>
87%
37594
61%
**09
90%
[Bofors RP5]*
<<locked>>
85%
37420
60%
**02
90%
Bofors RP7
<<locked>>
81%
47036
76%
**63
96%
Hodgdon H414
<<locked>>
81%
49647
80%
**84
97%
[Hodgdon H4350]*
<<locked>>
81%
40248
65%
**15
93%
[Hodgdon H4831]*
<<locked>>
91%
42786
69%
**84
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
42786
69%
**84
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39320
63%
**12
98%
Hodgdon LVR
<<locked>>
81%
46311
75%
**09
98%
Hodgdon Superperformance
<<locked>>
81%
45411
73%
**06
95%
Hodgdon VARGET
<<locked>>
81%
51764
83%
**84
100%
Hodgdon TrailBoss
<<locked>>
81%
27920
45%
**72
100%
IMR 4064
<<locked>>
81%
51068
82%
**68
100%
IMR 4166 Enduron
<<locked>>
81%
50198
81%
**38
97%
[IMR 4350]*
<<locked>>
81%
42424
68%
**74
94%
IMR 4451 Enduron
<<locked>>
81%
48225
78%
**96
96%
IMR 4831
<<locked>>
81%
37869
61%
**86
96%
[IMR 4955 Enduron]*
<<locked>>
87%
42177
68%
**48
90%
[IMR 7828 SSC]*
<<locked>>
88%
41974
68%
**33
90%
Lovex S065
<<locked>>
81%
45890
74%
**43
97%
Lovex S070
<<locked>>
81%
44092
71%
**04
95%
[Lovex S071]*
<<locked>>
84%
30893
50%
**43
90%
[Norma 204]*
<<locked>>
81%
42119
68%
**84
92%
[Norma MRP]*
<<locked>>
81%
34287
55%
**43
90%
Norma URP
<<locked>>
81%
43120
69%
**30
98%
[Ramshot Grand]*
<<locked>>
86%
41104
66%
**07
90%
Ramshot Hunter
<<locked>>
81%
41916
68%
**10
96%
[Ramshot Magnum]*
<<locked>>
86%
35926
58%
**33
90%
ReloadSwiss RS 14
<<locked>>
81%
28311
46%
**21
100%
ReloadSwiss RS 62
<<locked>>
81%
43758
70%
**66
98%
ReloadSwiss RS 70
<<locked>>
81%
42221
68%
**69
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
35868
58%
**82
90%
Rottweil R 903
<<locked>>
81%
50850
82%
**68
100%
[Rottweil R 904]*
<<locked>>
83%
40466
65%
**19
90%
[Rottweil R 905]*
<<locked>>
82%
36825
59%
**66
90%
Rottweil R 907
<<locked>>
81%
47036
76%
**63
96%
SNPE Vectan Tubal 5000
<<locked>>
81%
51097
82%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45281
73%
**71
96%
Shooters World Long Rifle
<<locked>>
81%
45890
74%
**43
97%
Somchem S355
<<locked>>
81%
50865
82%
**58
100%
[Somchem S361]*
<<locked>>
83%
42061
68%
**02
90%
Somchem S365
<<locked>>
81%
39740
64%
**87
99%
[Somchem S385]*
<<locked>>
81%
36434
59%
**07
91%
Vihtavuori N135
<<locked>>
81%
48921
79%
**63
100%
Vihtavuori N150
<<locked>>
81%
43656
70%
**78
100%
Vihtavuori N160
<<locked>>
81%
46398
75%
**76
98%
[Vihtavuori N165]*
<<locked>>
85%
35143
57%
**68
90%
Vihtavuori N550
<<locked>>
81%
47239
76%
**25
98%
Vihtavuori N555
<<locked>>
81%
34708
56%
**27
95%
[Vihtavuori N560]*
<<locked>>
89%
43163
70%
**76
90%
[Vihtavuori N565]*
<<locked>>
93%
42105
68%
**04
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43990
71%
**91
100%
Winchester 760
<<locked>>
81%
49647
80%
**84
97%
[Winchester StaBALL HD]*
<<locked>>
81%
25483
41%
**46
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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