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Load data for 7 x 72 R + .284 | 183gr | Sierra HPBT MatchKing

Recommended Powder(s): ReloadSwiss RS 60, Somchem S365

7 x 72 R + .284 | 183gr | Sierra HPBT MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 183gr | Sierra HPBT MatchKing
Manufacturer SKU:
1983
Bullet Weight:
183gr | 11.9g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.610" | 40.9mm
Caliber:
7 x 72 R load data
Case Length (l3):
2.831" | 71.9mm
Cartridge Length (C.O.L.):
3.568" | 90.6mm
Seated Depth:
0.873" | 22.2mm
Shank Seated Depth:
0.645" | 16.4mm
Case Capacity:
54.0 Grains of Water | 3.51 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
40611 psi | 2800 bar
LID:
LID_B5857_C1099
Last updated:
2025-01-01
Recommended Twist Rate:
1:8 - 1:7

Load data for 74 loads in caliber 7 x 72 R with .284 | 183gr | Sierra HPBT MatchKing bullet and 37 powders such as ReloadSwiss RS 60, Somchem S365. 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
[Accurate 2700]*
<<locked>>
83%
36260
89%
**08
91%
[Accurate 3100]*
<<locked>>
97%
30647
75%
**24
92%
Accurate 4350
<<locked>>
91%
35520
87%
**33
96%
Alliant Reloder-16
<<locked>>
90%
35984
89%
**36
96%
Alliant Reloder-17
<<locked>>
87%
36405
90%
**72
98%
Alliant Reloder-23
<<locked>>
97%
30850
76%
**57
96%
[Alliant Reloder-26]*
<<locked>>
96%
33011
81%
**49
94%
[Hodgdon H414]*
<<locked>>
86%
35621
88%
**16
93%
[Hodgdon H4350]*
<<locked>>
92%
36419
90%
**77
92%
Hodgdon Hybrid 100V
<<locked>>
94%
36187
89%
**13
98%
Hodgdon LVR
<<locked>>
88%
35795
88%
**10
95%
[IMR 4350]*
<<locked>>
89%
35882
88%
**64
92%
[IMR 4451 Enduron]*
<<locked>>
84%
36172
89%
**44
92%
IMR 4831
<<locked>>
95%
35839
88%
**19
96%
[Lovex S065]*
<<locked>>
87%
35882
88%
**57
94%
[Lovex S070]*
<<locked>>
89%
35984
89%
**73
93%
Norma URP
<<locked>>
91%
36521
90%
**42
96%
[Ramshot Hunter]*
<<locked>>
91%
36071
89%
**33
94%
ReloadSwiss RS 60 👍
<<locked>>
88%
36405
90%
**82
99%
ReloadSwiss RS 62
<<locked>>
91%
35853
88%
**56
96%
[ReloadSwiss RS 70]*
<<locked>>
90%
35868
88%
**46
94%
Rottweil R 903
<<locked>>
84%
35752
88%
**90
98%
[Rottweil R 907]*
<<locked>>
86%
36506
90%
**51
92%
SNPE Vectan SP 11
<<locked>>
84%
36448
90%
**23
98%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
35737
88%
**28
93%
[Shooters World Long Rifle]*
<<locked>>
87%
35882
88%
**57
94%
Somchem S355
<<locked>>
84%
36361
90%
**90
98%
Somchem S365 👍
<<locked>>
94%
36056
89%
**75
99%
[Somchem S385]*
<<locked>>
97%
35824
88%
**10
92%
Vihtavuori N135
<<locked>>
84%
35578
88%
**41
100%
Vihtavuori N150
<<locked>>
89%
36013
89%
**64
99%
Vihtavuori N160
<<locked>>
88%
35795
88%
**90
96%
Vihtavuori N550
<<locked>>
87%
35766
88%
**29
96%
Vihtavuori N555
<<locked>>
97%
32793
81%
**19
96%
Winchester 6.5 StaBALL
<<locked>>
89%
36027
89%
**80
98%
[Winchester 760]*
<<locked>>
86%
35621
88%
**16
93%
[Winchester StaBALL HD]*
<<locked>>
97%
27412
67%
**14
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[Accurate 2700]*
<<locked>>
81%
33649
83%
**62
90%
[Accurate 3100]*
<<locked>>
94%
28210
69%
**65
90%
[Accurate 4350]*
<<locked>>
81%
25454
63%
**13
91%
[Alliant Reloder-16]*
<<locked>>
81%
27369
67%
**26
92%
Alliant Reloder-17
<<locked>>
81%
29602
73%
**21
95%
[Alliant Reloder-23]*
<<locked>>
88%
23583
58%
**50
91%
[Alliant Reloder-26]*
<<locked>>
92%
28413
70%
**28
90%
[Hodgdon H414]*
<<locked>>
82%
31546
78%
**24
90%
[Hodgdon H4350]*
<<locked>>
88%
32909
81%
**01
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
24569
60%
**44
93%
[Hodgdon LVR]*
<<locked>>
81%
29095
72%
**65
92%
[IMR 4350]*
<<locked>>
87%
33243
82%
**08
90%
[IMR 4451 Enduron]*
<<locked>>
81%
32590
80%
**72
91%
[IMR 4831]*
<<locked>>
83%
24149
59%
**54
90%
[Lovex S065]*
<<locked>>
81%
30110
74%
**32
92%
[Lovex S070]*
<<locked>>
83%
30110
74%
**49
90%
[Norma URP]*
<<locked>>
81%
26803
66%
**23
92%
[Ramshot Hunter]*
<<locked>>
85%
29689
73%
**85
90%
ReloadSwiss RS 60
<<locked>>
81%
28993
71%
**08
96%
[ReloadSwiss RS 62]*
<<locked>>
81%
25788
64%
**19
90%
[ReloadSwiss RS 70]*
<<locked>>
84%
29254
72%
**88
91%
Rottweil R 903
<<locked>>
81%
32039
79%
**14
97%
[Rottweil R 907]*
<<locked>>
83%
32924
81%
**82
90%
SNPE Vectan SP 11
<<locked>>
81%
33011
81%
**54
96%
[SNPE Vectan Tubal 7000]*
<<locked>>
82%
29443
72%
**03
90%
[Shooters World Long Rifle]*
<<locked>>
81%
30110
74%
**32
92%
Somchem S355
<<locked>>
81%
32866
81%
**18
97%
[Somchem S365]*
<<locked>>
81%
23902
59%
**77
94%
[Somchem S385]*
<<locked>>
94%
33272
82%
**57
90%
Vihtavuori N135
<<locked>>
81%
31850
78%
**72
100%
Vihtavuori N150
<<locked>>
81%
28224
70%
**06
97%
[Vihtavuori N160]*
<<locked>>
81%
29051
72%
**46
93%
[Vihtavuori N550]*
<<locked>>
81%
29022
71%
**82
93%
[Vihtavuori N555]*
<<locked>>
86%
23511
58%
**83
90%
Winchester 6.5 StaBALL
<<locked>>
81%
28152
69%
**06
95%
[Winchester 760]*
<<locked>>
82%
31546
78%
**24
90%
[Winchester StaBALL HD]*
<<locked>>
94%
25005
62%
**32
91%

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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