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Load data for 6mm-284 + .243 | 70gr | Speer HP TNT

Recommended Powder(s): Alliant Reloder-16, Alliant Reloder-23, Alliant Reloder-26, IMR 4831, Vihtavuori N555

6mm-284 + .243 | 70gr | Speer HP TNT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 70gr | Speer HP TNT
Manufacturer SKU:
1206
Bullet Weight:
70gr | 4.5g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
0.810" | 20.6mm
Caliber:
6mm-284 load data
Case Length (l3):
2.170" | 55.1mm
Cartridge Length (C.O.L.):
3.300" | 83.8mm
Seated Depth:
-0.320" | -8.1mm
Shank Seated Depth:
-0.320" | -8.1mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62076 psi | 4280 bar
LID:
LID_B6069_C958
Last updated:
2025-12-16

Load data for 138 loads in caliber 6mm-284 with .243 | 70gr | Speer HP TNT bullet and 69 powders such as Alliant Reloder-16, Alliant Reloder-23, Alliant Reloder-26, IMR 4831, 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 2208
<<locked>>
83%
55840
90%
**66
100%
ADI AR 2209
<<locked>>
93%
55825
90%
**19
97%
ADI AR 2213
<<locked>>
96%
55825
90%
**35
95%
Accurate 2700
<<locked>>
84%
55056
89%
**81
97%
Accurate 3100
<<locked>>
96%
54984
89%
**43
99%
Accurate 4350
<<locked>>
88%
55680
90%
**02
100%
[Accurate MAGPRO]*
<<locked>>
96%
55158
89%
**19
93%
Alliant Reloder-16 👍
<<locked>>
90%
55695
90%
**61
100%
Alliant Reloder-17
<<locked>>
84%
55129
89%
**35
100%
Alliant Reloder-19
<<locked>>
93%
55376
89%
**06
97%
Alliant Reloder-22
<<locked>>
96%
55317
89%
**35
97%
Alliant Reloder-23 👍
<<locked>>
97%
53301
86%
**89
100%
Alliant Reloder-25
<<locked>>
97%
45788
74%
**68
98%
Alliant Reloder-26 👍
<<locked>>
94%
55854
90%
**94
100%
Bofors RP15
<<locked>>
97%
51169
82%
**47
96%
Bofors RP5
<<locked>>
96%
55317
89%
**35
97%
Bofors RP7
<<locked>>
86%
55230
89%
**37
98%
Hodgdon H414
<<locked>>
84%
54969
89%
**09
98%
Hodgdon H4350
<<locked>>
91%
55811
90%
**66
98%
[Hodgdon H4831]*
<<locked>>
97%
52330
84%
**04
94%
Hodgdon H4831 SC
<<locked>>
95%
55767
90%
**83
95%
Hodgdon Hybrid 100V
<<locked>>
91%
55767
90%
**70
100%
Hodgdon LVR
<<locked>>
86%
55492
89%
**06
99%
Hodgdon Superperformance
<<locked>>
86%
55608
90%
**35
98%
Hodgdon VARGET
<<locked>>
83%
55535
89%
**50
100%
Hodgdon TrailBoss
<<locked>>
96%
34519
56%
**52
100%
IMR 4064
<<locked>>
83%
54940
88%
**40
100%
IMR 4166 Enduron
<<locked>>
84%
55419
89%
**33
98%
IMR 4350
<<locked>>
89%
55448
89%
**47
98%
IMR 4451 Enduron
<<locked>>
85%
55390
89%
**56
98%
IMR 4831 👍
<<locked>>
93%
55637
90%
**86
100%
IMR 4955 Enduron
<<locked>>
96%
55782
90%
**56
95%
IMR 7828 SSC
<<locked>>
95%
55230
89%
**42
95%
Lovex S065
<<locked>>
87%
55419
89%
**50
99%
Lovex S070
<<locked>>
88%
55013
89%
**56
98%
Lovex S071
<<locked>>
97%
46934
76%
**66
97%
Norma 204
<<locked>>
89%
55724
90%
**89
97%
Norma MRP
<<locked>>
94%
55477
89%
**68
98%
Norma URP
<<locked>>
88%
55143
89%
**89
100%
Ramshot Grand
<<locked>>
93%
55172
89%
**42
96%
Ramshot Hunter
<<locked>>
89%
55158
89%
**02
99%
Ramshot Magnum
<<locked>>
97%
55187
89%
**93
98%
ReloadSwiss RS 14
<<locked>>
96%
35230
57%
**05
100%
ReloadSwiss RS 60
<<locked>>
83%
55666
90%
**71
100%
ReloadSwiss RS 62
<<locked>>
88%
55376
89%
**12
100%
ReloadSwiss RS 70
<<locked>>
88%
54998
89%
**52
100%
ReloadSwiss RS 76
<<locked>>
97%
45353
73%
**68
96%
Rottweil R 903
<<locked>>
84%
55854
90%
**70
100%
Rottweil R 904
<<locked>>
93%
55854
90%
**56
96%
Rottweil R 905
<<locked>>
94%
55521
89%
**06
97%
Rottweil R 907
<<locked>>
86%
55230
89%
**37
98%
SNPE Vectan Tubal 5000
<<locked>>
83%
54998
89%
**22
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
55680
90%
**91
98%
Shooters World Long Rifle
<<locked>>
87%
55419
89%
**50
99%
Somchem S355
<<locked>>
84%
55550
89%
**63
100%
Somchem S361
<<locked>>
91%
55361
89%
**94
95%
Somchem S365
<<locked>>
91%
55709
90%
**19
100%
Somchem S385
<<locked>>
93%
55114
89%
**50
98%
Vihtavuori N135
<<locked>>
85%
55317
89%
**78
100%
Vihtavuori N150
<<locked>>
89%
55724
90%
**04
100%
Vihtavuori N160
<<locked>>
86%
55738
90%
**70
100%
Vihtavuori N165
<<locked>>
97%
51837
84%
**78
97%
Vihtavuori N550
<<locked>>
86%
55593
90%
**99
100%
Vihtavuori N555 👍
<<locked>>
94%
55071
89%
**15
100%
Vihtavuori N560
<<locked>>
96%
55521
89%
**68
95%
[Vihtavuori N565]*
<<locked>>
97%
48037
77%
**65
93%
Winchester 6.5 StaBALL
<<locked>>
87%
55129
89%
**17
100%
Winchester 760
<<locked>>
84%
54969
89%
**09
98%
Winchester StaBALL HD
<<locked>>
97%
50169
81%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51880
84%
**78
100%
[ADI AR 2209]*
<<locked>>
82%
37652
61%
**82
90%
[ADI AR 2213]*
<<locked>>
88%
41901
67%
**17
90%
Accurate 2700
<<locked>>
81%
50401
81%
**79
96%
[Accurate 3100]*
<<locked>>
81%
32271
52%
**89
91%
Accurate 4350
<<locked>>
81%
43642
70%
**50
98%
[Accurate MAGPRO]*
<<locked>>
92%
47036
76%
**48
90%
Alliant Reloder-16
<<locked>>
81%
41916
68%
**63
98%
Alliant Reloder-17
<<locked>>
81%
48356
78%
**14
100%
[Alliant Reloder-19]*
<<locked>>
82%
37637
61%
**89
90%
[Alliant Reloder-22]*
<<locked>>
85%
37304
60%
**99
90%
Alliant Reloder-23
<<locked>>
81%
30951
50%
**18
95%
[Alliant Reloder-25]*
<<locked>>
85%
31169
50%
**18
90%
[Alliant Reloder-26]*
<<locked>>
81%
33997
55%
**63
94%
[Bofors RP15]*
<<locked>>
87%
37463
60%
**05
90%
[Bofors RP5]*
<<locked>>
85%
37304
60%
**99
90%
Bofors RP7
<<locked>>
81%
46876
76%
**73
96%
Hodgdon H414
<<locked>>
81%
49501
80%
**81
97%
[Hodgdon H4350]*
<<locked>>
81%
40118
65%
**09
93%
[Hodgdon H4831]*
<<locked>>
91%
43308
70%
**07
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
43308
70%
**07
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39160
63%
**22
98%
Hodgdon LVR
<<locked>>
81%
46282
75%
**09
98%
Hodgdon Superperformance
<<locked>>
81%
45281
73%
**02
95%
Hodgdon VARGET
<<locked>>
81%
51590
83%
**78
100%
Hodgdon TrailBoss
<<locked>>
81%
27702
45%
**69
100%
IMR 4064
<<locked>>
81%
51010
82%
**65
100%
IMR 4166 Enduron
<<locked>>
81%
50038
81%
**32
97%
[IMR 4350]*
<<locked>>
81%
42279
68%
**68
94%
IMR 4451 Enduron
<<locked>>
81%
48457
78%
**12
97%
IMR 4831
<<locked>>
81%
37695
61%
**79
96%
[IMR 4955 Enduron]*
<<locked>>
87%
42061
68%
**45
90%
[IMR 7828 SSC]*
<<locked>>
87%
41495
67%
**20
90%
Lovex S065
<<locked>>
81%
45730
74%
**37
97%
Lovex S070
<<locked>>
81%
43932
71%
**17
96%
[Lovex S071]*
<<locked>>
84%
30748
50%
**36
90%
[Norma 204]*
<<locked>>
81%
41989
68%
**81
92%
[Norma MRP]*
<<locked>>
81%
34171
55%
**36
90%
Norma URP
<<locked>>
81%
42960
69%
**40
98%
[Ramshot Grand]*
<<locked>>
86%
41002
66%
**04
90%
Ramshot Hunter
<<locked>>
81%
41785
67%
**04
95%
[Ramshot Magnum]*
<<locked>>
85%
35360
57%
**20
90%
ReloadSwiss RS 14
<<locked>>
81%
28442
46%
**24
100%
ReloadSwiss RS 60
<<locked>>
81%
51445
83%
**79
100%
ReloadSwiss RS 62
<<locked>>
81%
43613
70%
**60
98%
ReloadSwiss RS 70
<<locked>>
81%
42090
68%
**63
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
35810
58%
**79
90%
Rottweil R 903
<<locked>>
81%
50676
82%
**61
100%
[Rottweil R 904]*
<<locked>>
83%
40321
65%
**12
90%
[Rottweil R 905]*
<<locked>>
82%
36680
59%
**59
90%
Rottweil R 907
<<locked>>
81%
46876
76%
**73
96%
SNPE Vectan Tubal 5000
<<locked>>
81%
50937
82%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45121
73%
**81
96%
Shooters World Long Rifle
<<locked>>
81%
45730
74%
**37
97%
Somchem S355
<<locked>>
81%
50691
82%
**71
100%
[Somchem S361]*
<<locked>>
84%
42540
69%
**22
90%
Somchem S365
<<locked>>
81%
39566
64%
**81
99%
[Somchem S385]*
<<locked>>
81%
36405
59%
**04
91%
Vihtavuori N135
<<locked>>
81%
48733
78%
**56
100%
Vihtavuori N150
<<locked>>
81%
43482
70%
**71
100%
Vihtavuori N160
<<locked>>
81%
46238
74%
**73
98%
[Vihtavuori N165]*
<<locked>>
85%
35027
56%
**61
90%
Vihtavuori N550
<<locked>>
81%
47094
76%
**19
98%
Vihtavuori N555
<<locked>>
81%
34664
56%
**23
95%
[Vihtavuori N560]*
<<locked>>
89%
43047
69%
**73
90%
[Vihtavuori N565]*
<<locked>>
93%
41727
67%
**01
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43874
71%
**84
100%
Winchester 760
<<locked>>
81%
49501
80%
**81
97%
[Winchester StaBALL HD]*
<<locked>>
81%
25367
41%
**40
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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