top of page

Load data for 7 mm Backcountry + .284 | 133gr | MRR Green Hunting

Recommended Powder(s): Accurate 2700, Hodgdon H380, IMR 4166 Enduron, IMR 4451 Enduron, ReloadSwiss RS 50

7 mm Backcountry + .284 | 133gr | MRR Green Hunting

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 133gr | MRR Green Hunting
Manufacturer SKU:
A2259
Bullet Weight:
133gr | 8.6g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
7 mm Backcountry load data
Case Length (l3):
2.417" | 61.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
73.0 Grains of Water | 4.74 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
79916 psi | 5510 bar
LID:
LID_B10788_C991
Last updated:
2026-07-13
Recommended Twist Rate:
1:12 - 1:10

Load data for 258 loads in caliber 7 mm Backcountry with .284 | 133gr | MRR Green Hunting bullet and 129 powders such as Accurate 2700, Hodgdon H380, IMR 4166 Enduron, IMR 4451 Enduron, ReloadSwiss RS 50. 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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 APS 450
<<locked>>
92%
71388
89%
**10
101%
ADI AR 2206H
<<locked>>
91%
71620
90%
**45
100%
ADI AR 2208
<<locked>>
97%
71243
89%
**15
100%
ADI AR 2209
<<locked>>
97%
49821
62%
**89
96%
[ADI AR 2213]*
<<locked>>
97%
44701
56%
**94
92%
ADI Benchmark 8208
<<locked>>
90%
71127
89%
**96
100%
Accurate 2015
<<locked>>
89%
71431
89%
**00
100%
Accurate 2460
<<locked>>
86%
71707
90%
**50
100%
Accurate 2495
<<locked>>
93%
71634
90%
**30
100%
Accurate 2520
<<locked>>
88%
71881
90%
**89
100%
Accurate 2700 👍
<<locked>>
94%
71402
89%
**92
99%
Accurate 3100
<<locked>>
97%
42525
53%
**12
97%
Accurate 4064
<<locked>>
95%
71417
89%
**89
100%
Accurate 4350
<<locked>>
97%
59190
74%
**27
100%
Alliant AR-Comp
<<locked>>
89%
71866
90%
**27
100%
Alliant Power Pro 1200-R
<<locked>>
84%
71518
89%
**84
100%
Alliant Power Pro 2000-MR
<<locked>>
92%
71025
89%
**60
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
71504
89%
**32
100%
Alliant Reloder-10x
<<locked>>
86%
71272
89%
**10
100%
Alliant Reloder-15
<<locked>>
94%
71866
90%
**61
100%
Alliant Reloder-16
<<locked>>
97%
56057
70%
**30
100%
Alliant Reloder-17
<<locked>>
97%
67283
84%
**94
100%
Alliant Reloder-19
<<locked>>
97%
49124
61%
**69
95%
[Alliant Reloder-22]*
<<locked>>
97%
43120
54%
**87
94%
Alliant Reloder-23
<<locked>>
97%
40335
50%
**51
99%
[Alliant Reloder-25]*
<<locked>>
97%
35462
44%
**26
94%
Alliant Reloder-26
<<locked>>
97%
45397
57%
**25
99%
Baschieri & Pellagri 106
<<locked>>
85%
71866
90%
**68
100%
Baschieri & Pellagri 107
<<locked>>
91%
71040
89%
**48
100%
[Bofors RP15]*
<<locked>>
97%
39552
49%
**05
92%
Bofors RP3
<<locked>>
95%
71388
89%
**35
100%
[Bofors RP5]*
<<locked>>
97%
43120
54%
**87
94%
Bofors RP7
<<locked>>
97%
63933
80%
**40
99%
Hodgdon BL-C2
<<locked>>
90%
71750
90%
**32
100%
Hodgdon Benchmark
<<locked>>
90%
71576
90%
**59
100%
Hodgdon CFE223
<<locked>>
86%
71330
89%
**07
100%
Hodgdon H322
<<locked>>
85%
71243
89%
**63
100%
Hodgdon H335
<<locked>>
85%
71359
89%
**79
100%
Hodgdon H380 👍
<<locked>>
95%
70909
89%
**41
100%
Hodgdon H414
<<locked>>
97%
62062
78%
**82
99%
Hodgdon H4350
<<locked>>
97%
66601
83%
**15
99%
[Hodgdon H4831]*
<<locked>>
97%
47848
60%
**10
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
46891
59%
**97
92%
Hodgdon H4895
<<locked>>
91%
71344
89%
**38
100%
Hodgdon Hybrid 100V
<<locked>>
97%
52750
66%
**95
100%
Hodgdon LEVERevolution
<<locked>>
92%
70750
89%
**58
100%
Hodgdon Superformance
<<locked>>
97%
64440
81%
**48
99%
Hodgdon TrailBoss
<<locked>>
97%
34345
43%
**50
100%
Hodgdon VARGET
<<locked>>
92%
71794
90%
**19
100%
IMR 3031
<<locked>>
91%
71823
90%
**02
100%
IMR 4064
<<locked>>
95%
71663
90%
**19
100%
IMR 4166 Enduron 👍
<<locked>>
93%
71388
89%
**09
100%
IMR 4198
<<locked>>
86%
71156
89%
**68
100%
IMR 4350
<<locked>>
97%
57493
72%
**51
98%
IMR 4451 Enduron 👍
<<locked>>
97%
66703
83%
**69
99%
IMR 4831
<<locked>>
97%
56202
70%
**61
100%
IMR 4895
<<locked>>
93%
71576
90%
**61
100%
[IMR 4955 Enduron]*
<<locked>>
97%
49748
62%
**20
93%
IMR 8208 XBR
<<locked>>
90%
71127
89%
**96
100%
Lovex D073.5
<<locked>>
85%
71054
89%
**66
100%
Lovex D073.6
<<locked>>
91%
70953
89%
**92
100%
Lovex S060
<<locked>>
92%
71460
89%
**69
100%
Lovex S062
<<locked>>
95%
71692
90%
**05
100%
Lovex S065
<<locked>>
97%
61641
77%
**94
100%
Lovex S070
<<locked>>
97%
59683
75%
**94
99%
[Lovex S071]*
<<locked>>
97%
35041
44%
**48
94%
Norma 201
<<locked>>
92%
71228
89%
**92
100%
Norma 202
<<locked>>
92%
71736
90%
**76
100%
Norma 203B
<<locked>>
94%
70967
89%
**48
100%
Norma 204
<<locked>>
97%
58711
73%
**07
97%
Norma MRP
<<locked>>
97%
45614
57%
**82
96%
Norma URP
<<locked>>
97%
58059
73%
**10
100%
Ramshot Big Game
<<locked>>
93%
71170
89%
**61
100%
Ramshot Hunter
<<locked>>
97%
56884
71%
**10
99%
Ramshot TAC
<<locked>>
89%
70996
89%
**19
100%
Ramshot Wild Boar
<<locked>>
89%
70909
89%
**25
100%
Ramshot X-Terminator
<<locked>>
87%
71562
90%
**89
100%
ReloadSwiss RS 14
<<locked>>
97%
34998
44%
**00
100%
ReloadSwiss RS 40
<<locked>>
86%
71315
89%
**82
100%
ReloadSwiss RS 50 👍
<<locked>>
95%
71388
89%
**38
100%
ReloadSwiss RS 52
<<locked>>
91%
71649
90%
**20
100%
ReloadSwiss RS 60
<<locked>>
97%
71721
90%
**43
100%
ReloadSwiss RS 62
<<locked>>
97%
58885
74%
**46
100%
ReloadSwiss RS 70
<<locked>>
97%
57972
73%
**76
100%
Rottweil R 901
<<locked>>
90%
71576
90%
**59
100%
Rottweil R 902
<<locked>>
94%
70866
89%
**73
100%
Rottweil R 903
<<locked>>
97%
69299
87%
**05
100%
Rottweil R 904
<<locked>>
97%
51837
65%
**59
95%
Rottweil R 905
<<locked>>
97%
47921
60%
**53
95%
Rottweil R 907
<<locked>>
97%
63933
80%
**40
99%
SNPE Vectan BA6 1/2
<<locked>>
85%
71750
90%
**99
100%
SNPE Vectan SP 11
<<locked>>
96%
70764
89%
**61
100%
SNPE Vectan SP 3
<<locked>>
85%
71011
89%
**17
100%
SNPE Vectan SP 7
<<locked>>
90%
70895
89%
**09
100%
SNPE Vectan SP 9
<<locked>>
92%
71562
90%
**28
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
71141
89%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
70285
88%
**71
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
61772
77%
**45
99%
SNPE Vectan Tubal 8000
<<locked>>
97%
47471
59%
**46
95%
Shooters World Long Rifle
<<locked>>
97%
61641
77%
**94
100%
Shooters World Match Rifle
<<locked>>
91%
70953
89%
**92
100%
Shooters World Precision
<<locked>>
95%
71692
90%
**05
100%
Shooters World SW4350
<<locked>>
97%
59683
75%
**94
99%
Shooters World Tactical Rifle
<<locked>>
84%
71156
89%
**53
100%
Somchem S321
<<locked>>
87%
71721
90%
**05
100%
Somchem S335
<<locked>>
92%
71823
90%
**04
100%
Somchem S341
<<locked>>
90%
71504
89%
**02
100%
Somchem S355
<<locked>>
97%
68559
86%
**96
100%
[Somchem S361]*
<<locked>>
97%
52968
66%
**43
94%
Somchem S365
<<locked>>
97%
53040
66%
**61
100%
Somchem S385
<<locked>>
97%
48936
61%
**33
96%
Vihtavuori N130
<<locked>>
88%
71924
90%
**64
100%
Vihtavuori N133
<<locked>>
91%
71214
89%
**71
100%
Vihtavuori N135
<<locked>>
95%
70779
89%
**17
100%
Vihtavuori N140
<<locked>>
93%
71649
90%
**40
100%
Vihtavuori N150
<<locked>>
97%
67008
84%
**20
100%
Vihtavuori N160
<<locked>>
97%
60553
76%
**10
100%
[Vihtavuori N165]*
<<locked>>
97%
41698
52%
**82
94%
Vihtavuori N530
<<locked>>
89%
70967
89%
**79
100%
Vihtavuori N540
<<locked>>
94%
71895
90%
**73
100%
Vihtavuori N550
<<locked>>
97%
59625
75%
**17
100%
Vihtavuori N555
<<locked>>
97%
45397
57%
**40
99%
[Vihtavuori N560]*
<<locked>>
97%
46238
58%
**66
92%
Winchester 6.5 StaBALL
<<locked>>
97%
61554
77%
**91
100%
Winchester 748
<<locked>>
89%
71402
89%
**28
100%
Winchester 760
<<locked>>
97%
62424
78%
**96
99%
Winchester StaBALL HD
<<locked>>
97%
33214
42%
**61
99%
Winchester StaBALL Match
<<locked>>
92%
71881
90%
**32
100%
[Winchester Supreme 780]*
<<locked>>
97%
45382
57%
**54
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59451
74%
**46
101%
ADI AR 2206H
<<locked>>
81%
51561
65%
**59
100%
ADI AR 2208
<<locked>>
81%
43656
55%
**92
99%
[ADI AR 2209]*
<<locked>>
87%
35955
45%
**77
90%
[ADI AR 2213]*
<<locked>>
94%
41205
52%
**15
90%
ADI Benchmark 8208
<<locked>>
81%
53809
67%
**56
100%
Accurate 2015
<<locked>>
81%
55376
69%
**97
100%
Accurate 2460
<<locked>>
81%
61221
77%
**28
100%
Accurate 2495
<<locked>>
81%
47819
60%
**22
100%
Accurate 2520
<<locked>>
81%
56347
71%
**95
100%
Accurate 2700
<<locked>>
81%
46804
59%
**15
96%
[Accurate 3100]*
<<locked>>
85%
28442
36%
**70
90%
Accurate 4064
<<locked>>
81%
45281
57%
**18
100%
Accurate 4350
<<locked>>
81%
33910
42%
**38
95%
Alliant AR-Comp
<<locked>>
81%
55100
69%
**33
100%
Alliant Power Pro 1200-R
<<locked>>
81%
63643
80%
**89
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
47732
60%
**09
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
43569
55%
**08
100%
Alliant Reloder-10x
<<locked>>
81%
61946
78%
**95
100%
Alliant Reloder-15
<<locked>>
81%
46949
59%
**94
99%
Alliant Reloder-16
<<locked>>
81%
33663
42%
**54
96%
Alliant Reloder-17
<<locked>>
81%
38203
48%
**92
99%
[Alliant Reloder-19]*
<<locked>>
87%
35650
45%
**71
90%
[Alliant Reloder-22]*
<<locked>>
91%
35534
44%
**13
90%
[Alliant Reloder-23]*
<<locked>>
81%
24366
30%
**75
91%
[Alliant Reloder-25]*
<<locked>>
91%
29385
37%
**39
90%
[Alliant Reloder-26]*
<<locked>>
83%
27427
34%
**30
90%
Baschieri & Pellagri 106
<<locked>>
81%
63904
80%
**76
100%
Baschieri & Pellagri 107
<<locked>>
81%
51314
64%
**63
100%
[Bofors RP15]*
<<locked>>
94%
35911
45%
**20
90%
Bofors RP3
<<locked>>
81%
43526
54%
**18
100%
[Bofors RP5]*
<<locked>>
91%
35534
44%
**13
90%
[Bofors RP7]*
<<locked>>
81%
38899
49%
**77
93%
Hodgdon BL-C2
<<locked>>
81%
53069
66%
**79
100%
Hodgdon Benchmark
<<locked>>
81%
55274
69%
**36
100%
Hodgdon CFE223
<<locked>>
81%
59828
75%
**53
100%
Hodgdon H322
<<locked>>
81%
61438
77%
**48
100%
Hodgdon H335
<<locked>>
81%
63005
79%
**77
100%
Hodgdon H380
<<locked>>
81%
44266
55%
**28
98%
[Hodgdon H414]*
<<locked>>
81%
36201
45%
**90
93%
[Hodgdon H4350]*
<<locked>>
81%
39392
49%
**26
93%
[Hodgdon H4831]*
<<locked>>
93%
41858
52%
**89
90%
[Hodgdon H4831 SC]*
<<locked>>
94%
41858
52%
**89
90%
Hodgdon H4895
<<locked>>
81%
52083
65%
**63
100%
Hodgdon Hybrid 100V
<<locked>>
81%
31053
39%
**46
96%
Hodgdon LEVERevolution
<<locked>>
81%
48240
60%
**36
100%
[Hodgdon Superformance]*
<<locked>>
81%
35592
45%
**97
92%
Hodgdon TrailBoss
<<locked>>
81%
27035
34%
**93
100%
Hodgdon VARGET
<<locked>>
81%
49980
63%
**17
100%
IMR 3031
<<locked>>
81%
52431
66%
**53
100%
IMR 4064
<<locked>>
81%
45934
57%
**31
99%
IMR 4166 Enduron
<<locked>>
81%
48457
61%
**61
97%
IMR 4198
<<locked>>
81%
61641
77%
**56
100%
[IMR 4350]*
<<locked>>
81%
34519
43%
**89
91%
IMR 4451 Enduron
<<locked>>
81%
40451
51%
**13
95%
IMR 4831
<<locked>>
81%
32938
41%
**98
95%
IMR 4895
<<locked>>
81%
48211
60%
**23
100%
[IMR 4955 Enduron]*
<<locked>>
90%
40480
51%
**23
90%
IMR 8208 XBR
<<locked>>
81%
53809
67%
**56
100%
Lovex D073.5
<<locked>>
81%
61569
77%
**48
100%
Lovex D073.6
<<locked>>
81%
51343
64%
**30
100%
Lovex S060
<<locked>>
81%
50937
64%
**81
100%
Lovex S062
<<locked>>
81%
45948
58%
**28
100%
Lovex S065
<<locked>>
81%
37739
47%
**61
95%
[Lovex S070]*
<<locked>>
81%
35723
45%
**31
93%
[Lovex S071]*
<<locked>>
90%
28442
36%
**70
90%
Norma 201
<<locked>>
81%
50227
63%
**97
100%
Norma 202
<<locked>>
81%
50676
63%
**97
100%
Norma 203B
<<locked>>
81%
46195
58%
**77
100%
[Norma 204]*
<<locked>>
83%
35708
45%
**54
90%
[Norma MRP]*
<<locked>>
87%
32300
40%
**44
90%
Norma URP
<<locked>>
81%
33968
42%
**44
95%
Ramshot Big Game
<<locked>>
81%
46340
58%
**87
99%
[Ramshot Hunter]*
<<locked>>
81%
33344
42%
**25
93%
Ramshot TAC
<<locked>>
81%
54099
68%
**76
99%
Ramshot Wild Boar
<<locked>>
81%
53592
67%
**92
100%
Ramshot X-Terminator
<<locked>>
81%
57972
73%
**15
100%
ReloadSwiss RS 14
<<locked>>
81%
27688
35%
**36
100%
ReloadSwiss RS 40
<<locked>>
81%
60133
75%
**41
100%
ReloadSwiss RS 50
<<locked>>
81%
44498
56%
**12
97%
ReloadSwiss RS 52
<<locked>>
81%
50633
63%
**09
100%
ReloadSwiss RS 60
<<locked>>
81%
40640
51%
**61
100%
ReloadSwiss RS 62
<<locked>>
81%
33721
42%
**61
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
33301
42%
**51
94%
Rottweil R 901
<<locked>>
81%
54070
68%
**30
100%
Rottweil R 902
<<locked>>
81%
47645
60%
**48
100%
Rottweil R 903
<<locked>>
81%
40901
51%
**59
99%
[Rottweil R 904]*
<<locked>>
88%
38653
48%
**90
90%
[Rottweil R 905]*
<<locked>>
87%
34824
44%
**61
90%
[Rottweil R 907]*
<<locked>>
81%
38899
49%
**77
93%
SNPE Vectan BA6 1/2
<<locked>>
81%
64556
81%
**17
100%
SNPE Vectan SP 11
<<locked>>
81%
42511
53%
**22
99%
SNPE Vectan SP 3
<<locked>>
81%
63382
79%
**25
100%
SNPE Vectan SP 7
<<locked>>
81%
52533
66%
**49
99%
SNPE Vectan SP 9
<<locked>>
81%
50140
63%
**27
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
51561
65%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43105
54%
**97
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36695
46%
**92
93%
[SNPE Vectan Tubal 8000]*
<<locked>>
88%
35070
44%
**61
90%
Shooters World Long Rifle
<<locked>>
81%
37739
47%
**61
95%
Shooters World Match Rifle
<<locked>>
81%
51343
64%
**30
100%
Shooters World Precision
<<locked>>
81%
45948
58%
**28
100%
[Shooters World SW4350]*
<<locked>>
81%
35723
45%
**31
93%
Shooters World Tactical Rifle
<<locked>>
81%
63628
80%
**61
100%
Somchem S321
<<locked>>
81%
58711
73%
**48
100%
Somchem S335
<<locked>>
81%
51111
64%
**41
100%
Somchem S341
<<locked>>
81%
52156
65%
**43
100%
Somchem S355
<<locked>>
81%
41669
52%
**72
99%
[Somchem S361]*
<<locked>>
90%
41959
53%
**40
90%
Somchem S365
<<locked>>
81%
30516
38%
**95
98%
[Somchem S385]*
<<locked>>
85%
32343
40%
**69
90%
Vihtavuori N130
<<locked>>
81%
57827
72%
**90
100%
Vihtavuori N133
<<locked>>
81%
51953
65%
**25
100%
Vihtavuori N135
<<locked>>
81%
45513
57%
**79
100%
Vihtavuori N140
<<locked>>
81%
48066
60%
**28
100%
Vihtavuori N150
<<locked>>
81%
39624
50%
**00
100%
Vihtavuori N160
<<locked>>
81%
35636
45%
**54
96%
[Vihtavuori N165]*
<<locked>>
90%
33707
42%
**89
90%
Vihtavuori N530
<<locked>>
81%
53911
67%
**49
100%
Vihtavuori N540
<<locked>>
81%
46528
58%
**25
100%
Vihtavuori N550
<<locked>>
81%
35012
44%
**48
96%
[Vihtavuori N555]*
<<locked>>
81%
26034
33%
**48
92%
[Vihtavuori N560]*
<<locked>>
94%
41336
52%
**58
90%
Winchester 6.5 StaBALL
<<locked>>
81%
35070
44%
**21
98%
Winchester 748
<<locked>>
81%
54389
68%
**99
100%
[Winchester 760]*
<<locked>>
81%
36448
46%
**97
93%
[Winchester StaBALL HD]*
<<locked>>
84%
23815
30%
**05
90%
Winchester StaBALL Match
<<locked>>
81%
50053
63%
**36
100%
[Winchester Supreme 780]*
<<locked>>
90%
35795
45%
**41
90%

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

bottom of page