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Load data for 6mm-284 + .243 | 73gr | SUS-TAC HPT

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

6mm-284 + .243 | 73gr | SUS-TAC HPT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 73gr | SUS-TAC HPT
Manufacturer SKU:
H12893
Bullet Weight:
73gr | 4.7g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
1.048" | 26.6mm
Caliber:
6mm-284 load data
Case Length (l3):
2.170" | 55.1mm
Cartridge Length (C.O.L.):
3.300" | 83.8mm
Seated Depth:
-0.082" | -2.1mm
Shank Seated Depth:
-0.203" | -5.1mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62076 psi | 4280 bar
LID:
LID_B10306_C958
Last updated:
2025-12-16
Recommended Twist Rate:
1:9 - 1:8

Load data for 140 loads in caliber 6mm-284 with .243 | 73gr | SUS-TAC HPT bullet and 70 powders such as Alliant Reloder-16, Alliant Reloder-23, IMR 4831, Ramshot Hunter, 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%
55608
90%
**97
100%
ADI AR 2209
<<locked>>
94%
55767
90%
**70
97%
ADI AR 2213
<<locked>>
97%
55854
90%
**99
96%
Accurate 2700
<<locked>>
84%
55535
89%
**35
98%
Accurate 3100
<<locked>>
96%
54955
89%
**88
99%
Accurate 4350
<<locked>>
88%
55187
89%
**33
100%
[Accurate MAGPRO]*
<<locked>>
97%
55550
89%
**89
94%
Alliant Reloder-16 👍
<<locked>>
90%
55274
89%
**93
100%
Alliant Reloder-17
<<locked>>
85%
55332
89%
**89
100%
Alliant Reloder-19
<<locked>>
94%
55187
89%
**53
97%
Alliant Reloder-22
<<locked>>
97%
55448
89%
**86
97%
Alliant Reloder-23 👍
<<locked>>
97%
52823
85%
**27
100%
Alliant Reloder-25
<<locked>>
97%
44991
72%
**02
98%
Alliant Reloder-26
<<locked>>
94%
55695
90%
**58
100%
Bofors RP15
<<locked>>
97%
50241
81%
**78
96%
Bofors RP5
<<locked>>
97%
55448
89%
**86
97%
Bofors RP7
<<locked>>
86%
55042
89%
**97
98%
Hodgdon H414
<<locked>>
85%
55521
89%
**73
98%
Hodgdon H4350
<<locked>>
91%
55071
89%
**01
98%
[Hodgdon H4831]*
<<locked>>
97%
51039
82%
**32
93%
Hodgdon H4831 SC
<<locked>>
95%
55854
90%
**27
95%
Hodgdon Hybrid 100V
<<locked>>
92%
55811
90%
**07
100%
Hodgdon LVR
<<locked>>
87%
55869
90%
**56
99%
Hodgdon Superperformance
<<locked>>
87%
55303
89%
**76
98%
Hodgdon VARGET
<<locked>>
83%
55303
89%
**97
100%
Hodgdon TrailBoss
<<locked>>
96%
34809
56%
**03
100%
IMR 4064
<<locked>>
84%
55463
89%
**91
100%
IMR 4166 Enduron
<<locked>>
85%
55100
89%
**78
98%
IMR 4350
<<locked>>
89%
55100
89%
**01
98%
IMR 4451 Enduron
<<locked>>
86%
55622
90%
**97
98%
IMR 4831 👍
<<locked>>
93%
55593
90%
**24
100%
IMR 4955 Enduron
<<locked>>
96%
55361
89%
**88
95%
IMR 7828 SSC
<<locked>>
96%
55593
90%
**96
96%
Lovex S065
<<locked>>
87%
55419
89%
**97
99%
Lovex S070
<<locked>>
88%
55463
89%
**14
98%
Lovex S071
<<locked>>
97%
45687
74%
**94
97%
Norma 204
<<locked>>
89%
55579
90%
**37
97%
Norma MRP
<<locked>>
95%
55521
89%
**19
98%
Norma URP
<<locked>>
89%
55593
90%
**47
100%
Ramshot Grand
<<locked>>
94%
55100
89%
**99
96%
Ramshot Hunter 👍
<<locked>>
90%
55608
90%
**70
99%
Ramshot Magnum
<<locked>>
97%
54302
87%
**37
98%
ReloadSwiss RS 14
<<locked>>
96%
35259
57%
**49
100%
ReloadSwiss RS 60
<<locked>>
83%
55042
89%
**99
100%
ReloadSwiss RS 62
<<locked>>
88%
54882
88%
**53
100%
ReloadSwiss RS 70
<<locked>>
89%
55796
90%
**29
100%
ReloadSwiss RS 76
<<locked>>
97%
44570
72%
**09
96%
Rottweil R 903
<<locked>>
84%
55143
89%
**04
100%
Rottweil R 904
<<locked>>
93%
55709
90%
**20
96%
Rottweil R 905
<<locked>>
94%
55796
90%
**60
97%
Rottweil R 907
<<locked>>
86%
55042
89%
**97
98%
SNPE Vectan SP 11
<<locked>>
83%
55796
90%
**50
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
55143
89%
**66
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
55593
90%
**48
98%
Shooters World Long Rifle
<<locked>>
87%
55419
89%
**97
99%
Somchem S355
<<locked>>
84%
55114
89%
**94
100%
Somchem S361
<<locked>>
92%
55550
89%
**58
95%
Somchem S365
<<locked>>
91%
55361
89%
**60
100%
Somchem S385
<<locked>>
94%
55201
89%
**07
98%
Vihtavuori N135
<<locked>>
85%
55100
89%
**12
100%
Vihtavuori N150
<<locked>>
89%
55579
90%
**61
100%
Vihtavuori N160
<<locked>>
86%
55172
89%
**01
100%
Vihtavuori N165
<<locked>>
97%
51097
82%
**12
97%
Vihtavuori N550
<<locked>>
86%
55288
89%
**53
100%
Vihtavuori N555 👍
<<locked>>
95%
55303
89%
**70
100%
Vihtavuori N560
<<locked>>
97%
55564
90%
**15
95%
[Vihtavuori N565]*
<<locked>>
97%
47384
76%
**96
93%
Winchester 6.5 StaBALL
<<locked>>
88%
55448
89%
**68
100%
Winchester 760
<<locked>>
85%
55521
89%
**73
98%
Winchester StaBALL HD
<<locked>>
97%
48805
79%
**70
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51488
83%
**19
100%
[ADI AR 2209]*
<<locked>>
82%
37260
60%
**36
90%
[ADI AR 2213]*
<<locked>>
88%
41640
67%
**58
90%
Accurate 2700
<<locked>>
81%
49937
80%
**20
96%
[Accurate 3100]*
<<locked>>
81%
31705
51%
**36
91%
Accurate 4350
<<locked>>
81%
42946
69%
**78
98%
[Accurate MAGPRO]*
<<locked>>
92%
46311
75%
**92
90%
Alliant Reloder-16
<<locked>>
81%
41176
66%
**84
98%
Alliant Reloder-17
<<locked>>
81%
47790
77%
**55
100%
[Alliant Reloder-19]*
<<locked>>
81%
36564
59%
**10
90%
[Alliant Reloder-22]*
<<locked>>
85%
36318
59%
**36
90%
Alliant Reloder-23
<<locked>>
81%
30501
49%
**59
95%
[Alliant Reloder-25]*
<<locked>>
85%
30284
49%
**46
90%
[Alliant Reloder-26]*
<<locked>>
81%
33228
54%
**04
94%
[Bofors RP15]*
<<locked>>
88%
36898
59%
**50
90%
[Bofors RP5]*
<<locked>>
85%
36318
59%
**36
90%
Bofors RP7
<<locked>>
81%
46369
75%
**97
96%
Hodgdon H414
<<locked>>
81%
49037
79%
**25
97%
[Hodgdon H4350]*
<<locked>>
81%
39827
64%
**56
93%
[Hodgdon H4831]*
<<locked>>
91%
41959
68%
**28
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
42351
68%
**38
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38769
62%
**66
98%
Hodgdon LVR
<<locked>>
81%
45513
73%
**53
98%
Hodgdon Superperformance
<<locked>>
81%
44599
72%
**40
95%
Hodgdon VARGET
<<locked>>
81%
51198
82%
**19
100%
Hodgdon TrailBoss
<<locked>>
81%
27760
45%
**19
100%
IMR 4064
<<locked>>
81%
50589
82%
**02
100%
IMR 4166 Enduron
<<locked>>
81%
49617
80%
**69
97%
[IMR 4350]*
<<locked>>
81%
41698
67%
**99
94%
IMR 4451 Enduron
<<locked>>
81%
47819
77%
**40
97%
IMR 4831
<<locked>>
81%
37289
60%
**20
96%
[IMR 4955 Enduron]*
<<locked>>
87%
41394
67%
**86
90%
[IMR 7828 SSC]*
<<locked>>
88%
41263
66%
**64
90%
Lovex S065
<<locked>>
81%
45324
73%
**81
97%
Lovex S070
<<locked>>
81%
43395
70%
**45
96%
[Lovex S071]*
<<locked>>
84%
29675
48%
**71
90%
[Norma 204]*
<<locked>>
81%
41452
67%
**19
92%
[Norma MRP]*
<<locked>>
81%
33765
54%
**84
90%
Norma URP
<<locked>>
81%
42148
68%
**64
98%
[Ramshot Grand]*
<<locked>>
86%
40538
65%
**51
90%
Ramshot Hunter
<<locked>>
81%
41220
66%
**45
96%
[Ramshot Magnum]*
<<locked>>
85%
34766
56%
**61
90%
ReloadSwiss RS 14
<<locked>>
81%
28239
46%
**62
100%
ReloadSwiss RS 60
<<locked>>
81%
50560
81%
**14
100%
ReloadSwiss RS 62
<<locked>>
81%
43091
69%
**04
98%
ReloadSwiss RS 70
<<locked>>
81%
41597
67%
**10
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
35012
56%
**17
90%
Rottweil R 903
<<locked>>
81%
50024
81%
**06
100%
[Rottweil R 904]*
<<locked>>
82%
39320
63%
**40
90%
[Rottweil R 905]*
<<locked>>
82%
36506
59%
**04
90%
Rottweil R 907
<<locked>>
81%
46369
75%
**97
96%
SNPE Vectan SP 11
<<locked>>
81%
51576
83%
**68
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50879
82%
**07
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44527
72%
**12
96%
Shooters World Long Rifle
<<locked>>
81%
45324
73%
**81
97%
Somchem S355
<<locked>>
81%
50212
81%
**96
100%
[Somchem S361]*
<<locked>>
83%
41553
67%
**53
90%
Somchem S365
<<locked>>
81%
38754
62%
**05
99%
[Somchem S385]*
<<locked>>
81%
35911
58%
**58
91%
Vihtavuori N135
<<locked>>
81%
48486
78%
**01
100%
Vihtavuori N150
<<locked>>
81%
43091
69%
**09
100%
Vihtavuori N160
<<locked>>
81%
45600
73%
**04
98%
[Vihtavuori N165]*
<<locked>>
85%
34577
56%
**05
90%
Vihtavuori N550
<<locked>>
81%
46572
75%
**60
98%
Vihtavuori N555
<<locked>>
81%
34127
55%
**64
95%
[Vihtavuori N560]*
<<locked>>
89%
42076
68%
**07
90%
[Vihtavuori N565]*
<<locked>>
93%
40857
66%
**48
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43178
70%
**35
100%
Winchester 760
<<locked>>
81%
49037
79%
**25
97%
[Winchester StaBALL HD]*
<<locked>>
81%
24860
40%
**04
93%

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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