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Load data for .300 WSM + .308 | 180gr | Sierra Bullets Gamechanger

Recommended Powder(s): Hodgdon H380, Hodgdon H414, Hodgdon LVR, Vihtavuori N550, Winchester 760

.300 WSM + .308 | 180gr | Sierra Bullets Gamechanger

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Sierra Bullets Gamechanger
Manufacturer SKU:
TGK
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.418" | 36.0mm
Caliber:
.300 WSM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.817" | 71.6mm
Seated Depth:
0.691" | 17.5mm
Shank Seated Depth:
0.503" | 12.8mm
Case Capacity:
81.3 Grains of Water | 5.28 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10773_C378
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:9

Load data for 216 loads in caliber .300 WSM with .308 | 180gr | Sierra Bullets Gamechanger bullet and 108 powders such as Hodgdon H380, Hodgdon H414, Hodgdon LVR, Vihtavuori N550, Winchester 760. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 28.3 fps

  • 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 AR 2206H
<<locked>>
88%
63382
99%
**84
100%
ADI AR 2208
<<locked>>
94%
63527
100%
**74
100%
ADI AR 2209
<<locked>>
97%
47950
75%
**23
96%
[ADI AR 2213]*
<<locked>>
97%
43526
68%
**54
92%
Accurate 2015
<<locked>>
85%
63237
99%
**53
100%
Accurate 2200
<<locked>>
87%
63324
99%
**54
100%
Accurate 2495
<<locked>>
87%
63164
99%
**12
100%
Accurate 2520
<<locked>>
86%
63295
99%
**48
100%
Accurate 2700
<<locked>>
94%
63092
99%
**18
99%
Accurate 3100
<<locked>>
97%
40756
64%
**75
97%
Accurate 4064
<<locked>>
92%
63077
99%
**35
100%
Accurate 4350
<<locked>>
97%
56898
89%
**58
100%
Alliant AR-Comp
<<locked>>
86%
63150
99%
**85
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
63121
99%
**84
100%
Alliant Reloder-15
<<locked>>
91%
63251
99%
**00
100%
Alliant Reloder-16
<<locked>>
97%
54636
86%
**64
100%
Alliant Reloder-17
<<locked>>
97%
63802
100%
**99
100%
Alliant Reloder-19
<<locked>>
97%
47224
74%
**17
96%
[Alliant Reloder-22]*
<<locked>>
97%
41742
65%
**51
94%
Alliant Reloder-23
<<locked>>
97%
39595
62%
**18
99%
Alliant Reloder-25
<<locked>>
97%
34418
54%
**03
95%
Alliant Reloder-26
<<locked>>
97%
43729
69%
**66
99%
Baschieri & Pellagri 107
<<locked>>
88%
63338
99%
**07
100%
Hodgdon BL-C2
<<locked>>
86%
63440
99%
**94
100%
Hodgdon Benchmark
<<locked>>
86%
63802
100%
**12
100%
Hodgdon CFE223
<<locked>>
91%
63541
100%
**46
100%
Hodgdon H322
<<locked>>
85%
63454
99%
**18
100%
Hodgdon H380 👍
<<locked>>
92%
63106
99%
**00
100%
Hodgdon H414 👍
<<locked>>
96%
63643
100%
**63
100%
Hodgdon H4350
<<locked>>
97%
52895
83%
**46
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
45455
71%
**51
92%
Hodgdon Hybrid 100V
<<locked>>
97%
50560
79%
**33
100%
Hodgdon LVR 👍
<<locked>>
97%
60336
95%
**04
100%
Hodgdon Superperformance
<<locked>>
97%
60742
95%
**59
99%
Hodgdon VARGET
<<locked>>
94%
63251
99%
**71
100%
Hodgdon TrailBoss
<<locked>>
97%
34447
54%
**67
100%
IMR 3031
<<locked>>
91%
63498
99%
**54
100%
IMR 4064
<<locked>>
94%
63179
99%
**58
100%
IMR 4166 Enduron
<<locked>>
95%
63701
100%
**51
99%
IMR 4350
<<locked>>
97%
55303
87%
**82
98%
IMR 4451 Enduron
<<locked>>
96%
63367
99%
**81
99%
IMR 4831
<<locked>>
97%
48008
75%
**07
99%
IMR 4895
<<locked>>
90%
62961
99%
**10
100%
[IMR 4955 Enduron]*
<<locked>>
97%
44802
70%
**05
93%
[IMR 7828 SSC]*
<<locked>>
97%
43758
69%
**71
92%
IMR 8208 XBR
<<locked>>
87%
63164
99%
**44
100%
Lovex D073.6
<<locked>>
88%
63295
99%
**48
100%
Lovex S060
<<locked>>
89%
63469
99%
**18
100%
Lovex S062
<<locked>>
92%
63295
99%
**48
100%
Lovex S065
<<locked>>
97%
60408
95%
**41
100%
Lovex S070
<<locked>>
97%
57580
90%
**18
99%
Lovex S071
<<locked>>
97%
34621
54%
**48
95%
Norma 201
<<locked>>
89%
63222
99%
**41
100%
Norma 202
<<locked>>
89%
62990
99%
**25
100%
Norma 203B
<<locked>>
92%
63367
99%
**04
100%
Norma 204
<<locked>>
97%
55912
88%
**31
97%
Norma MRP
<<locked>>
97%
43801
69%
**36
96%
Norma URP
<<locked>>
97%
55666
87%
**41
100%
Ramshot Big Game
<<locked>>
91%
63556
100%
**20
100%
Ramshot Hunter
<<locked>>
97%
54360
85%
**41
99%
[Ramshot Magnum]*
<<locked>>
97%
39711
62%
**89
94%
Ramshot TAC
<<locked>>
87%
63744
100%
**81
100%
Ramshot Wild Boar
<<locked>>
86%
62932
99%
**84
100%
Ramshot X-Terminator
<<locked>>
85%
63483
99%
**41
100%
ReloadSwiss RS 14
<<locked>>
96%
34795
55%
**03
100%
ReloadSwiss RS 40
<<locked>>
83%
63817
100%
**35
100%
ReloadSwiss RS 50
<<locked>>
93%
63614
100%
**81
100%
ReloadSwiss RS 52
<<locked>>
91%
63092
99%
**10
100%
ReloadSwiss RS 60
<<locked>>
97%
61641
97%
**92
100%
ReloadSwiss RS 62
<<locked>>
97%
56956
89%
**81
100%
ReloadSwiss RS 70
<<locked>>
97%
55593
87%
**04
100%
Rottweil R 901
<<locked>>
87%
62874
99%
**99
100%
Rottweil R 902
<<locked>>
91%
62874
99%
**25
100%
Rottweil R 903
<<locked>>
95%
63802
100%
**90
100%
Rottweil R 904
<<locked>>
97%
49951
78%
**07
95%
Rottweil R 905
<<locked>>
97%
46267
72%
**00
96%
Rottweil R 907
<<locked>>
97%
62714
98%
**71
99%
SNPE Vectan SP 11
<<locked>>
94%
63599
100%
**20
100%
SNPE Vectan SP 7
<<locked>>
87%
63440
99%
**64
100%
SNPE Vectan SP 9
<<locked>>
89%
63135
99%
**74
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
63193
99%
**53
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
62903
99%
**40
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
60031
94%
**89
99%
Shooters World Long Rifle
<<locked>>
97%
60408
95%
**41
100%
Shooters World Match Rifle
<<locked>>
88%
63295
99%
**48
100%
Shooters World Precision
<<locked>>
92%
63295
99%
**48
100%
Somchem S321
<<locked>>
84%
63483
99%
**64
100%
Somchem S335
<<locked>>
89%
63643
100%
**59
100%
Somchem S341
<<locked>>
88%
63585
100%
**61
100%
Somchem S355
<<locked>>
95%
63164
99%
**74
100%
[Somchem S361]*
<<locked>>
97%
51184
80%
**94
94%
Somchem S365
<<locked>>
97%
50459
79%
**95
100%
Somchem S385
<<locked>>
97%
47224
74%
**90
97%
Vihtavuori N130
<<locked>>
86%
63744
100%
**23
100%
Vihtavuori N133
<<locked>>
91%
63193
99%
**30
100%
Vihtavuori N135
<<locked>>
97%
63367
99%
**92
100%
Vihtavuori N140
<<locked>>
91%
63730
100%
**08
100%
Vihtavuori N150
<<locked>>
97%
57043
89%
**62
100%
Vihtavuori N160
<<locked>>
97%
61453
96%
**77
100%
[Vihtavuori N165]*
<<locked>>
97%
38827
61%
**13
94%
Vihtavuori N530
<<locked>>
85%
63092
99%
**51
100%
Vihtavuori N540
<<locked>>
91%
63788
100%
**41
100%
Vihtavuori N550 👍
<<locked>>
97%
61380
96%
**20
100%
Vihtavuori N555
<<locked>>
97%
43758
69%
**90
99%
Winchester 6.5 StaBALL
<<locked>>
97%
58494
92%
**18
100%
Winchester 748
<<locked>>
84%
63773
100%
**81
100%
Winchester 760 👍
<<locked>>
96%
63643
100%
**63
100%
Winchester StaBALL HD
<<locked>>
97%
34809
55%
**18
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50314
79%
**00
100%
ADI AR 2208
<<locked>>
81%
42699
67%
**56
99%
[ADI AR 2209]*
<<locked>>
86%
34621
54%
**31
90%
[ADI AR 2213]*
<<locked>>
94%
39523
62%
**66
90%
Accurate 2015
<<locked>>
81%
56710
89%
**74
100%
Accurate 2200
<<locked>>
81%
52504
82%
**03
100%
Accurate 2495
<<locked>>
81%
53011
83%
**84
100%
Accurate 2520
<<locked>>
81%
53447
84%
**23
100%
Accurate 2700
<<locked>>
81%
41191
65%
**77
95%
[Accurate 3100]*
<<locked>>
83%
26092
41%
**28
90%
Accurate 4064
<<locked>>
81%
44759
70%
**82
100%
Accurate 4350
<<locked>>
81%
33098
52%
**25
96%
Alliant AR-Comp
<<locked>>
81%
53693
84%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
42960
67%
**82
100%
Alliant Reloder-15
<<locked>>
81%
45730
72%
**41
100%
Alliant Reloder-16
<<locked>>
81%
33141
52%
**38
96%
Alliant Reloder-17
<<locked>>
81%
37086
58%
**62
99%
[Alliant Reloder-19]*
<<locked>>
86%
33692
53%
**25
90%
[Alliant Reloder-22]*
<<locked>>
90%
33634
53%
**67
90%
[Alliant Reloder-23]*
<<locked>>
81%
24076
38%
**92
93%
[Alliant Reloder-25]*
<<locked>>
90%
27934
44%
**13
90%
[Alliant Reloder-26]*
<<locked>>
82%
26078
41%
**97
90%
Baschieri & Pellagri 107
<<locked>>
81%
49647
78%
**03
100%
Hodgdon BL-C2
<<locked>>
81%
52736
83%
**53
100%
Hodgdon Benchmark
<<locked>>
81%
54215
85%
**80
100%
Hodgdon CFE223
<<locked>>
81%
44367
70%
**51
99%
Hodgdon H322
<<locked>>
81%
55767
87%
**23
100%
Hodgdon H380
<<locked>>
81%
43294
68%
**92
98%
Hodgdon H414
<<locked>>
81%
38464
60%
**39
95%
[Hodgdon H4350]*
<<locked>>
81%
32314
51%
**39
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
40030
63%
**43
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30530
48%
**43
97%
Hodgdon LVR
<<locked>>
81%
36274
57%
**84
96%
[Hodgdon Superperformance]*
<<locked>>
81%
34519
54%
**67
92%
Hodgdon VARGET
<<locked>>
81%
42467
67%
**46
99%
Hodgdon TrailBoss
<<locked>>
94%
33040
52%
**40
100%
IMR 3031
<<locked>>
81%
46688
73%
**28
100%
IMR 4064
<<locked>>
81%
42105
66%
**33
99%
IMR 4166 Enduron
<<locked>>
81%
41655
65%
**03
96%
[IMR 4350]*
<<locked>>
81%
33750
53%
**75
92%
IMR 4451 Enduron
<<locked>>
81%
39668
62%
**87
95%
[IMR 4831]*
<<locked>>
81%
29225
46%
**13
94%
IMR 4895
<<locked>>
81%
46963
74%
**71
100%
[IMR 4955 Enduron]*
<<locked>>
92%
38377
60%
**77
90%
[IMR 7828 SSC]*
<<locked>>
93%
39146
61%
**75
90%
IMR 8208 XBR
<<locked>>
81%
52605
82%
**97
100%
Lovex D073.6
<<locked>>
81%
50009
78%
**77
100%
Lovex S060
<<locked>>
81%
49850
78%
**28
100%
Lovex S062
<<locked>>
81%
45020
71%
**89
100%
Lovex S065
<<locked>>
81%
37072
58%
**41
96%
[Lovex S070]*
<<locked>>
81%
35157
55%
**15
94%
[Lovex S071]*
<<locked>>
88%
26092
41%
**28
90%
Norma 201
<<locked>>
81%
49385
77%
**48
100%
Norma 202
<<locked>>
81%
49922
78%
**48
100%
Norma 203B
<<locked>>
81%
45237
71%
**31
100%
[Norma 204]*
<<locked>>
81%
33736
53%
**05
90%
[Norma MRP]*
<<locked>>
86%
30763
48%
**08
90%
Norma URP
<<locked>>
81%
33228
52%
**28
96%
Ramshot Big Game
<<locked>>
81%
45092
71%
**48
100%
[Ramshot Hunter]*
<<locked>>
81%
32663
51%
**08
93%
[Ramshot Magnum]*
<<locked>>
92%
33344
52%
**31
90%
Ramshot TAC
<<locked>>
81%
52417
82%
**13
99%
Ramshot Wild Boar
<<locked>>
81%
52489
82%
**36
100%
Ramshot X-Terminator
<<locked>>
81%
56565
89%
**46
100%
ReloadSwiss RS 14
<<locked>>
91%
32053
50%
**54
100%
ReloadSwiss RS 40
<<locked>>
81%
59074
93%
**76
100%
ReloadSwiss RS 50
<<locked>>
81%
43555
68%
**69
97%
ReloadSwiss RS 52
<<locked>>
81%
44483
70%
**41
100%
ReloadSwiss RS 60
<<locked>>
81%
36114
57%
**49
99%
ReloadSwiss RS 62
<<locked>>
81%
32779
51%
**44
96%
[ReloadSwiss RS 70]*
<<locked>>
81%
32706
51%
**48
94%
Rottweil R 901
<<locked>>
81%
53490
84%
**77
100%
Rottweil R 902
<<locked>>
81%
46905
73%
**02
100%
Rottweil R 903
<<locked>>
81%
40132
63%
**33
99%
[Rottweil R 904]*
<<locked>>
87%
37072
58%
**54
90%
[Rottweil R 905]*
<<locked>>
86%
32503
51%
**02
90%
[Rottweil R 907]*
<<locked>>
81%
38130
60%
**51
94%
SNPE Vectan SP 11
<<locked>>
81%
41191
65%
**85
99%
SNPE Vectan SP 7
<<locked>>
81%
51053
80%
**00
99%
SNPE Vectan SP 9
<<locked>>
81%
48834
77%
**74
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50676
79%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42308
66%
**64
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36390
57%
**82
94%
Shooters World Long Rifle
<<locked>>
81%
37072
58%
**41
96%
Shooters World Match Rifle
<<locked>>
81%
50009
78%
**77
100%
Shooters World Precision
<<locked>>
81%
45020
71%
**89
100%
Somchem S321
<<locked>>
81%
57101
89%
**76
100%
Somchem S335
<<locked>>
81%
50212
79%
**92
100%
Somchem S341
<<locked>>
81%
50633
79%
**87
100%
Somchem S355
<<locked>>
81%
40857
64%
**33
99%
[Somchem S361]*
<<locked>>
89%
39566
62%
**80
90%
Somchem S365
<<locked>>
81%
29863
47%
**82
98%
[Somchem S385]*
<<locked>>
83%
30385
48%
**26
90%
Vihtavuori N130
<<locked>>
81%
55521
87%
**25
100%
Vihtavuori N133
<<locked>>
81%
47718
75%
**33
100%
Vihtavuori N135
<<locked>>
81%
39784
62%
**61
100%
Vihtavuori N140
<<locked>>
81%
46818
73%
**82
100%
Vihtavuori N150
<<locked>>
81%
34838
55%
**85
99%
Vihtavuori N160
<<locked>>
81%
36289
57%
**61
97%
[Vihtavuori N165]*
<<locked>>
90%
31879
50%
**49
90%
Vihtavuori N530
<<locked>>
81%
55709
87%
**49
100%
Vihtavuori N540
<<locked>>
81%
46325
73%
**98
100%
Vihtavuori N550
<<locked>>
81%
36622
57%
**03
97%
[Vihtavuori N555]*
<<locked>>
81%
25846
40%
**70
93%
Winchester 6.5 StaBALL
<<locked>>
81%
34330
54%
**05
98%
Winchester 748
<<locked>>
81%
57101
89%
**99
100%
Winchester 760
<<locked>>
81%
38464
60%
**39
95%
[Winchester StaBALL HD]*
<<locked>>
83%
22539
35%
**85
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.

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