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Load data for 7 mm B.R. Rem. + .284 | 175gr | Sierra HPBT MatchKing

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Recommended Powder(s): Accurate 2520, Somchem S321, Vihtavuori N530, Winchester 748, Winchester StaBALL Match

7 mm B.R. Rem. + .284 | 175gr | Sierra HPBT MatchKing

Load Specifications

Bullet:
.284 | 175gr | Sierra HPBT MatchKing
Manufacturer SKU:
1975
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.444" | 36.7mm
Caliber:
7 mm B.R. Rem. load data
Case Length (l3):
1.510" | 38.4mm
Cartridge Length (C.O.L.):
2.339" | 59.4mm
Seated Depth:
0.615" | 15.6mm
Shank Seated Depth:
0.387" | 9.8mm
Case Capacity:
39.5 Grains of Water | 2.56 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
58740 psi | 4050 bar
LID:
LID_B5852_C1048
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:8

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 154 loads in caliber 7 mm B.R. Rem. with .284 | 175gr | Sierra HPBT MatchKing bullet and 77 powders such as Accurate 2520, Somchem S321, Vihtavuori N530, Winchester 748, Winchester StaBALL Match. 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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    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.

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 2206H
97%
83%
98%
ADI AR 2207
86%
88%
100%
ADI AR 2208
97%
71%
95%
ADI AR 2219
89%
89%
100%
Accurate 2015
95%
89%
100%
Accurate 2200
95%
87%
96%
Accurate 2230
92%
90%
99%
Accurate 2460
92%
88%
100%
Accurate 2495
97%
80%
100%
Accurate 2520
97%
86%
100%
Accurate 4064
97%
66%
99%
Alliant AR-Comp
96%
82%
100%
Alliant Reloder- TS 15.5
97%
67%
97%
Alliant Reloder-10x
91%
88%
100%
Alliant Reloder-15
97%
74%
96%
Alliant Reloder-17
97%
60%
94%
Alliant Reloder-7
85%
87%
100%
Baschieri & Pellagri 106
89%
89%
100%
Baschieri & Pellagri 107
97%
82%
96%
Hodgdon BL-C2
96%
84%
99%
Hodgdon Benchmark
94%
87%
99%
Hodgdon CFE BLK
85%
88%
99%
Hodgdon CFE223
96%
71%
94%
Hodgdon H322
94%
87%
100%
Hodgdon H335
90%
90%
100%
Hodgdon H380
96%
68%
93%
Hodgdon H4198
87%
88%
100%
Hodgdon VARGET
96%
68%
95%
IMR 3031
96%
72%
100%
IMR 4064
96%
67%
95%
IMR 4198
91%
88%
100%
IMR 4895
97%
75%
97%
IMR 8208 XBR
97%
89%
99%
Lovex D073.4
91%
89%
100%
Lovex D073.5
93%
90%
100%
Lovex D073.6
96%
77%
99%
Lovex S060
96%
85%
98%
Lovex S062
96%
70%
98%
Norma 200
88%
89%
100%
Norma 201
97%
81%
99%
Norma 202
97%
81%
100%
Norma 203B
97%
72%
96%
Ramshot Big Game
96%
72%
96%
Ramshot TAC
96%
90%
96%
Ramshot Wild Boar
97%
87%
98%
Ramshot X-Terminator
94%
89%
98%
ReloadSwiss RS 40
93%
89%
100%
ReloadSwiss RS 52
97%
70%
98%
ReloadSwiss RS 60
97%
59%
94%
Rottweil R 901
96%
87%
100%
Rottweil R 902
97%
77%
98%
Rottweil R 903
97%
61%
95%
SNPE Vectan BA6 1/2
85%
88%
100%
SNPE Vectan SP 10
89%
90%
100%
SNPE Vectan SP 11
97%
66%
95%
SNPE Vectan SP 7
96%
84%
95%
SNPE Vectan SP 9
97%
81%
97%
SNPE Vectan Tubal 3000
96%
86%
100%
SNPE Vectan Tubal 5000
96%
70%
100%
Shooters World Match Rifle
96%
77%
99%
Shooters World Precision
96%
70%
98%
Shooters World Tactical Rifle
90%
89%
99%
Somchem S321
94%
89%
99%
Somchem S335
97%
84%
100%
Somchem S341
97%
84%
97%
Somchem S355
97%
63%
96%
Vihtavuori N120
88%
88%
100%
Vihtavuori N130
94%
88%
100%
Vihtavuori N133
97%
79%
100%
Vihtavuori N135
97%
61%
100%
Vihtavuori N140
97%
76%
100%
Vihtavuori N150
96%
53%
95%
Vihtavuori N530
95%
90%
99%
Vihtavuori N540
96%
74%
99%
Winchester 6.5 StaBALL
97%
57%
93%
Winchester 748
94%
87%
100%
Winchester StaBALL Match
92%
88%
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
30385
52%
**86
92%
ADI AR 2207
<<locked>>
81%
44730
76%
**34
100%
[ADI AR 2208]*
<<locked>>
85%
29791
51%
**50
90%
ADI AR 2219
<<locked>>
81%
39189
67%
**41
100%
Accurate 2015
<<locked>>
81%
34069
58%
**19
100%
[Accurate 2200]*
<<locked>>
81%
32343
55%
**80
91%
Accurate 2230
<<locked>>
81%
35375
60%
**55
95%
Accurate 2460
<<locked>>
81%
35157
60%
**65
97%
Accurate 2495
<<locked>>
81%
27789
47%
**83
99%
Accurate 2520
<<locked>>
81%
29269
50%
**03
96%
Accurate 4064
<<locked>>
81%
23438
40%
**81
95%
Alliant AR-Comp
<<locked>>
81%
30066
51%
**19
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
82%
25063
43%
**88
90%
Alliant Reloder-10x
<<locked>>
81%
37507
64%
**82
100%
[Alliant Reloder-15]*
<<locked>>
83%
28485
48%
**64
90%
[Alliant Reloder-17]*
<<locked>>
92%
30110
51%
**29
90%
Alliant Reloder-7
<<locked>>
81%
46093
78%
**47
100%
Baschieri & Pellagri 106
<<locked>>
81%
40147
68%
**72
100%
[Baschieri & Pellagri 107]*
<<locked>>
83%
31401
53%
**09
90%
[Hodgdon BL-C2]*
<<locked>>
81%
29559
50%
**09
93%
Hodgdon Benchmark
<<locked>>
81%
34272
58%
**00
96%
Hodgdon CFE BLK
<<locked>>
81%
44962
77%
**41
98%
[Hodgdon CFE223]*
<<locked>>
88%
32126
55%
**49
90%
Hodgdon H322
<<locked>>
81%
33547
57%
**42
99%
Hodgdon H335
<<locked>>
81%
38754
66%
**41
99%
[Hodgdon H380]*
<<locked>>
90%
32445
55%
**39
90%
Hodgdon H4198
<<locked>>
81%
43700
74%
**08
100%
[Hodgdon VARGET]*
<<locked>>
86%
29791
51%
**50
90%
IMR 3031
<<locked>>
81%
26382
45%
**44
97%
[IMR 4064]*
<<locked>>
85%
28805
49%
**27
90%
IMR 4198
<<locked>>
81%
38957
66%
**62
100%
[IMR 4895]*
<<locked>>
81%
27209
46%
**47
91%
IMR 8208 XBR
<<locked>>
81%
32271
55%
**03
95%
Lovex D073.4
<<locked>>
81%
36666
62%
**78
97%
Lovex D073.5
<<locked>>
81%
34548
59%
**55
97%
Lovex D073.6
<<locked>>
81%
27180
46%
**57
95%
[Lovex S060]*
<<locked>>
81%
32126
55%
**50
93%
[Lovex S062]*
<<locked>>
81%
26397
45%
**98
92%
Norma 200
<<locked>>
81%
42308
72%
**31
100%
[Norma 201]*
<<locked>>
81%
29312
50%
**47
94%
Norma 202
<<locked>>
81%
29080
50%
**67
97%
[Norma 203B]*
<<locked>>
82%
26890
46%
**34
90%
[Ramshot Big Game]*
<<locked>>
85%
29617
50%
**90
91%
[Ramshot TAC]*
<<locked>>
84%
35346
60%
**46
90%
[Ramshot Wild Boar]*
<<locked>>
81%
30821
52%
**03
92%
[Ramshot X-Terminator]*
<<locked>>
81%
35215
60%
**36
94%
ReloadSwiss RS 40
<<locked>>
81%
35737
61%
**65
97%
[ReloadSwiss RS 52]*
<<locked>>
81%
24526
42%
**01
91%
[ReloadSwiss RS 60]*
<<locked>>
92%
29660
50%
**16
91%
Rottweil R 901
<<locked>>
81%
32793
56%
**00
97%
[Rottweil R 902]*
<<locked>>
81%
27847
47%
**08
93%
[Rottweil R 903]*
<<locked>>
85%
24976
43%
**04
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
46528
79%
**44
100%
SNPE Vectan SP 10
<<locked>>
81%
40277
69%
**54
99%
[SNPE Vectan SP 11]*
<<locked>>
87%
28950
49%
**83
90%
[SNPE Vectan SP 7]*
<<locked>>
85%
33750
57%
**36
91%
[SNPE Vectan SP 9]*
<<locked>>
81%
28776
49%
**47
91%
SNPE Vectan Tubal 3000
<<locked>>
81%
31792
54%
**44
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
25744
44%
**39
96%
Shooters World Match Rifle
<<locked>>
81%
27180
46%
**57
95%
[Shooters World Precision]*
<<locked>>
81%
26397
45%
**98
92%
Shooters World Tactical Rifle
<<locked>>
81%
38058
65%
**78
96%
Somchem S321
<<locked>>
81%
33736
57%
**59
96%
Somchem S335
<<locked>>
81%
30690
52%
**44
98%
[Somchem S341]*
<<locked>>
81%
29718
51%
**60
91%
[Somchem S355]*
<<locked>>
84%
25396
43%
**98
90%
Vihtavuori N120
<<locked>>
81%
42047
72%
**62
100%
Vihtavuori N130
<<locked>>
81%
35346
60%
**06
100%
Vihtavuori N133
<<locked>>
81%
29399
50%
**11
99%
Vihtavuori N135
<<locked>>
81%
22466
38%
**16
96%
Vihtavuori N140
<<locked>>
81%
27383
47%
**18
96%
[Vihtavuori N150]*
<<locked>>
85%
22931
39%
**16
90%
Vihtavuori N530
<<locked>>
81%
33112
56%
**29
95%
Vihtavuori N540
<<locked>>
81%
26789
46%
**21
95%
[Winchester 6.5 StaBALL]*
<<locked>>
92%
29631
50%
**41
90%
Winchester 748
<<locked>>
81%
32764
56%
**65
96%
Winchester StaBALL Match
<<locked>>
81%
34432
59%
**85
95%

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.

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