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Load data for 6mm-284 + .243 | 100gr | Hornady SP

Recommended Powder(s): Alliant Reloder-22, Alliant Reloder-25, Bofors RP15, Bofors RP5, ReloadSwiss RS 76

6mm-284 + .243 | 100gr | Hornady SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 100gr | Hornady SP
Manufacturer SKU:
2450
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
1.062" | 27.0mm
Caliber:
6mm-284 load data
Case Length (l3):
2.170" | 55.1mm
Cartridge Length (C.O.L.):
3.300" | 83.8mm
Seated Depth:
-0.068" | -1.7mm
Shank Seated Depth:
-0.068" | -1.7mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62076 psi | 4280 bar
LID:
LID_B2552_C958
Last updated:
2025-12-16

Load data for 98 loads in caliber 6mm-284 with .243 | 100gr | Hornady SP bullet and 49 powders such as Alliant Reloder-22, Alliant Reloder-25, Bofors RP15, Bofors RP5, ReloadSwiss RS 76. 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>>
87%
55709
90%
**76
99%
ADI AR 2213
<<locked>>
90%
55753
90%
**09
99%
ADI AR 2217
<<locked>>
97%
51459
83%
**23
98%
ADI AR 2225
<<locked>>
97%
46659
75%
**77
100%
Accurate 3100
<<locked>>
90%
55753
90%
**14
100%
Accurate MAGPRO
<<locked>>
90%
55100
89%
**09
97%
Alliant Reloder-19
<<locked>>
87%
55274
89%
**66
99%
Alliant Reloder-22 👍
<<locked>>
90%
55376
89%
**99
99%
Alliant Reloder-23
<<locked>>
91%
55709
90%
**56
100%
Alliant Reloder-25 👍
<<locked>>
95%
54984
89%
**99
100%
Alliant Reloder-26
<<locked>>
87%
55187
89%
**12
100%
[Alliant Reloder-33]*
<<locked>>
97%
48515
78%
**17
94%
Bofors RP15 👍
<<locked>>
93%
55869
90%
**05
99%
Bofors RP30
<<locked>>
97%
54520
88%
**99
99%
Bofors RP5 👍
<<locked>>
90%
55376
89%
**99
99%
Hodgdon H1000
<<locked>>
97%
51459
83%
**23
98%
Hodgdon H4350
<<locked>>
85%
55637
90%
**17
100%
Hodgdon H4831
<<locked>>
92%
55027
89%
**43
98%
Hodgdon H4831 SC
<<locked>>
89%
55390
89%
**46
98%
Hodgdon Hybrid 100V
<<locked>>
85%
55274
89%
**84
100%
Hodgdon Retumbo
<<locked>>
97%
46659
75%
**77
100%
Hodgdon TrailBoss
<<locked>>
96%
35563
57%
**05
100%
IMR 4350
<<locked>>
83%
55172
89%
**10
100%
IMR 4831
<<locked>>
86%
55288
89%
**07
100%
IMR 4955 Enduron
<<locked>>
90%
55129
89%
**10
98%
IMR 7828 SSC
<<locked>>
89%
55085
89%
**02
99%
[IMR 7977 Enduron]*
<<locked>>
95%
55608
90%
**68
92%
IMR 8133 Enduron
<<locked>>
97%
42525
69%
**79
96%
Lovex S071
<<locked>>
95%
55492
89%
**97
100%
Norma 217
<<locked>>
97%
42772
69%
**05
98%
Norma MRP
<<locked>>
88%
55158
89%
**05
100%
Ramshot Grand
<<locked>>
87%
55680
90%
**28
99%
Ramshot Magnum
<<locked>>
90%
54969
89%
**59
100%
ReloadSwiss RS 14
<<locked>>
96%
36593
59%
**54
100%
ReloadSwiss RS 76 👍
<<locked>>
95%
55172
89%
**84
100%
ReloadSwiss RS 80
<<locked>>
97%
53795
87%
**09
98%
Rottweil R 904
<<locked>>
87%
55753
90%
**27
99%
Rottweil R 905
<<locked>>
88%
55666
90%
**69
99%
Somchem S361
<<locked>>
86%
55651
90%
**97
98%
Somchem S365
<<locked>>
84%
55492
89%
**17
100%
Somchem S385
<<locked>>
87%
55042
89%
**14
100%
Vihtavuori N165
<<locked>>
93%
55724
90%
**17
100%
[Vihtavuori N170]*
<<locked>>
97%
48051
77%
**76
92%
Vihtavuori N555
<<locked>>
88%
55158
89%
**46
100%
Vihtavuori N560
<<locked>>
90%
55709
90%
**28
98%
Vihtavuori N565
<<locked>>
94%
55695
90%
**96
98%
Vihtavuori N568
<<locked>>
97%
54476
88%
**12
97%
[Vihtavuori N570]*
<<locked>>
97%
51895
84%
**99
94%
Winchester StaBALL HD
<<locked>>
92%
55535
89%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
45165
73%
**72
97%
[ADI AR 2213]*
<<locked>>
81%
40248
65%
**81
94%
[ADI AR 2217]*
<<locked>>
83%
32111
52%
**51
90%
[ADI AR 2225]*
<<locked>>
81%
27282
44%
**36
91%
Accurate 3100
<<locked>>
81%
41147
66%
**35
99%
[Accurate MAGPRO]*
<<locked>>
81%
39943
64%
**77
92%
Alliant Reloder-19
<<locked>>
81%
45237
73%
**59
97%
Alliant Reloder-22
<<locked>>
81%
40843
66%
**00
96%
Alliant Reloder-23
<<locked>>
81%
39581
64%
**54
100%
Alliant Reloder-25
<<locked>>
81%
34229
55%
**56
97%
Alliant Reloder-26
<<locked>>
81%
44295
71%
**18
100%
[Alliant Reloder-33]*
<<locked>>
92%
40495
65%
**33
90%
Bofors RP15
<<locked>>
81%
38087
61%
**22
95%
[Bofors RP30]*
<<locked>>
81%
31618
51%
**64
91%
Bofors RP5
<<locked>>
81%
40843
66%
**00
96%
[Hodgdon H1000]*
<<locked>>
83%
32111
52%
**51
90%
Hodgdon H4350
<<locked>>
81%
48443
78%
**79
99%
[Hodgdon H4831]*
<<locked>>
81%
37971
61%
**79
93%
Hodgdon H4831 SC
<<locked>>
81%
42177
68%
**74
95%
Hodgdon Hybrid 100V
<<locked>>
81%
48559
78%
**76
100%
[Hodgdon Retumbo]*
<<locked>>
81%
27282
44%
**36
91%
Hodgdon TrailBoss
<<locked>>
81%
28427
46%
**37
100%
IMR 4350
<<locked>>
81%
51082
82%
**38
99%
IMR 4831
<<locked>>
81%
46485
75%
**49
100%
IMR 4955 Enduron
<<locked>>
81%
41727
67%
**41
95%
IMR 7828 SSC
<<locked>>
81%
41582
67%
**27
95%
[IMR 7977 Enduron]*
<<locked>>
91%
49095
79%
**46
90%
[IMR 8133 Enduron]*
<<locked>>
88%
31140
50%
**71
90%
Lovex S071
<<locked>>
81%
35186
57%
**87
97%
[Norma 217]*
<<locked>>
84%
27238
44%
**59
90%
Norma MRP
<<locked>>
81%
43033
69%
**76
98%
Ramshot Grand
<<locked>>
81%
43888
71%
**95
96%
Ramshot Magnum
<<locked>>
81%
38319
62%
**25
96%
ReloadSwiss RS 14
<<locked>>
81%
29341
47%
**86
100%
ReloadSwiss RS 76
<<locked>>
81%
32619
53%
**49
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
34795
56%
**85
90%
Rottweil R 904
<<locked>>
81%
46238
74%
**46
97%
Rottweil R 905
<<locked>>
81%
44512
72%
**53
98%
Somchem S361
<<locked>>
81%
47239
76%
**40
96%
Somchem S365
<<locked>>
81%
50212
81%
**35
100%
Somchem S385
<<locked>>
81%
44962
72%
**30
98%
Vihtavuori N165
<<locked>>
81%
38159
61%
**62
96%
[Vihtavuori N170]*
<<locked>>
94%
43918
71%
**87
90%
Vihtavuori N555
<<locked>>
81%
44237
71%
**36
100%
[Vihtavuori N560]*
<<locked>>
81%
40959
66%
**13
94%
[Vihtavuori N565]*
<<locked>>
81%
35563
57%
**59
92%
[Vihtavuori N568]*
<<locked>>
85%
36071
58%
**99
90%
[Vihtavuori N570]*
<<locked>>
90%
41263
66%
**66
90%
Winchester StaBALL HD
<<locked>>
81%
36767
59%
**90
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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