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

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Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

.300 Lapua Mag. + .308 | 180gr | Sierra Bullets Gamechanger

Load Specifications

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 Lapua Mag.
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.517" | 13.1mm
Shank Seated Depth:
0.330" | 8.4mm
Case Capacity:
100.0 Grains of Water | 6.49 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B10773_C363
Recommended Twist Rate:
1:11 - 1:9

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

Load data for 122 loads in caliber .300 Lapua Mag. with .308 | 180gr | Sierra Bullets Gamechanger bullet and 61 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905. 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 2209 👍
<<locked>>
91%
54157
89%
**27
99%
ADI AR 2213
<<locked>>
94%
54592
90%
**72
98%
ADI AR 2217
<<locked>>
97%
43178
71%
**43
95%
ADI AR 2225
<<locked>>
97%
38624
63%
**03
97%
Accurate 3100
<<locked>>
95%
54737
90%
**84
100%
Accurate 4350
<<locked>>
86%
54795
90%
**00
100%
Accurate MAGPRO
<<locked>>
95%
54621
90%
**89
97%
Alliant Reloder-16
<<locked>>
87%
54389
89%
**33
100%
Alliant Reloder-19 👍
<<locked>>
91%
54201
89%
**23
99%
Alliant Reloder-22
<<locked>>
94%
54520
89%
**76
99%
Alliant Reloder-23
<<locked>>
96%
54273
89%
**30
100%
Alliant Reloder-25
<<locked>>
97%
48631
80%
**07
100%
Alliant Reloder-26 👍
<<locked>>
92%
54810
90%
**18
100%
Hodgdon H1000
<<locked>>
97%
43178
71%
**43
95%
Hodgdon H4350
<<locked>>
89%
54505
89%
**74
99%
Hodgdon H4831
<<locked>>
97%
54766
90%
**10
97%
Hodgdon H4831 SC
<<locked>>
93%
54578
90%
**13
97%
Hodgdon Hybrid 100V
<<locked>>
89%
54563
90%
**64
100%
Hodgdon LVR
<<locked>>
84%
54302
89%
**04
100%
Hodgdon Retumbo
<<locked>>
97%
38624
63%
**03
97%
Hodgdon Superperformance
<<locked>>
85%
54781
90%
**59
100%
Hodgdon TrailBoss
<<locked>>
96%
35259
58%
**98
100%
IMR 4350
<<locked>>
87%
54534
90%
**74
99%
IMR 4451 Enduron
<<locked>>
83%
54346
89%
**58
100%
IMR 4831
<<locked>>
91%
54476
89%
**81
100%
IMR 4955 Enduron
<<locked>>
94%
54592
90%
**81
98%
IMR 7828 SSC
<<locked>>
94%
54505
89%
**82
98%
[IMR 8133 Enduron]*
<<locked>>
97%
34519
57%
**98
92%
Lovex S065
<<locked>>
85%
54186
89%
**48
100%
Lovex S070
<<locked>>
86%
54302
89%
**71
100%
Lovex S071
<<locked>>
97%
49603
81%
**05
100%
Norma 204
<<locked>>
87%
54447
89%
**10
99%
Norma 217
<<locked>>
97%
34447
57%
**25
95%
Norma MRP 👍
<<locked>>
93%
54404
89%
**99
100%
Norma URP
<<locked>>
86%
54230
89%
**04
100%
Ramshot Hunter
<<locked>>
87%
54665
90%
**20
100%
Ramshot Magnum
<<locked>>
95%
54549
90%
**59
100%
ReloadSwiss RS 14
<<locked>>
96%
35955
59%
**37
100%
ReloadSwiss RS 60
<<locked>>
83%
54389
89%
**59
100%
ReloadSwiss RS 62
<<locked>>
86%
54331
89%
**17
100%
ReloadSwiss RS 70
<<locked>>
87%
54346
89%
**72
100%
ReloadSwiss RS 76
<<locked>>
97%
47442
78%
**36
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
42685
70%
**05
94%
Rottweil R 904
<<locked>>
90%
54331
89%
**87
98%
Rottweil R 905 👍
<<locked>>
92%
54679
90%
**36
99%
Rottweil R 907
<<locked>>
84%
54810
90%
**64
99%
SNPE Vectan Tubal 7000
<<locked>>
85%
54491
89%
**12
100%
Shooters World Long Rifle
<<locked>>
85%
54186
89%
**48
100%
Somchem S361
<<locked>>
90%
54694
90%
**61
97%
Somchem S365
<<locked>>
88%
54592
90%
**00
100%
Somchem S385
<<locked>>
92%
54578
90%
**97
99%
Vihtavuori N150
<<locked>>
86%
54302
89%
**95
100%
Vihtavuori N160
<<locked>>
84%
54636
90%
**64
100%
Vihtavuori N165
<<locked>>
97%
54389
89%
**84
99%
Vihtavuori N550
<<locked>>
84%
54549
90%
**07
100%
Vihtavuori N555
<<locked>>
93%
54679
90%
**33
100%
Vihtavuori N560
<<locked>>
94%
54505
89%
**92
98%
Vihtavuori N565
<<locked>>
97%
50807
83%
**10
97%
[Vihtavuori N568]*
<<locked>>
97%
44338
73%
**28
94%
Winchester 6.5 StaBALL
<<locked>>
86%
54766
90%
**38
100%
Winchester StaBALL HD
<<locked>>
97%
53359
88%
**35
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
38725
64%
**28
95%
[ADI AR 2213]*
<<locked>>
81%
34621
57%
**49
91%
[ADI AR 2217]*
<<locked>>
88%
32460
53%
**80
90%
[ADI AR 2225]*
<<locked>>
86%
27383
45%
**72
90%
Accurate 3100
<<locked>>
81%
34519
57%
**93
97%
Accurate 4350
<<locked>>
81%
46427
76%
**66
100%
[Accurate MAGPRO]*
<<locked>>
83%
36434
60%
**15
90%
Alliant Reloder-16
<<locked>>
81%
44541
73%
**76
100%
Alliant Reloder-19
<<locked>>
81%
38725
64%
**25
95%
[Alliant Reloder-22]*
<<locked>>
81%
34534
57%
**59
94%
Alliant Reloder-23
<<locked>>
81%
33141
54%
**26
99%
Alliant Reloder-25
<<locked>>
81%
28906
47%
**25
95%
Alliant Reloder-26
<<locked>>
81%
36071
59%
**57
98%
[Hodgdon H1000]*
<<locked>>
88%
32460
53%
**80
90%
Hodgdon H4350
<<locked>>
81%
42598
70%
**54
97%
[Hodgdon H4831]*
<<locked>>
82%
33417
55%
**67
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
36289
60%
**43
92%
Hodgdon Hybrid 100V
<<locked>>
81%
42018
69%
**54
100%
Hodgdon LVR
<<locked>>
81%
48820
80%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
86%
27383
45%
**72
90%
Hodgdon Superperformance
<<locked>>
81%
47805
78%
**31
99%
Hodgdon TrailBoss
<<locked>>
81%
28195
46%
**44
100%
IMR 4350
<<locked>>
81%
44657
73%
**97
98%
IMR 4451 Enduron
<<locked>>
81%
50763
83%
**99
99%
IMR 4831
<<locked>>
81%
40277
66%
**35
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36506
60%
**20
92%
[IMR 7828 SSC]*
<<locked>>
81%
35317
58%
**75
92%
[IMR 8133 Enduron]*
<<locked>>
94%
31749
52%
**16
90%
Lovex S065
<<locked>>
81%
48254
79%
**46
100%
Lovex S070
<<locked>>
81%
46601
76%
**30
99%
[Lovex S071]*
<<locked>>
81%
29660
49%
**69
94%
Norma 204
<<locked>>
81%
44817
74%
**33
97%
[Norma 217]*
<<locked>>
90%
27688
45%
**11
90%
Norma MRP
<<locked>>
81%
35868
59%
**25
96%
Norma URP
<<locked>>
81%
45716
75%
**53
100%
Ramshot Hunter
<<locked>>
81%
44440
73%
**43
99%
[Ramshot Magnum]*
<<locked>>
81%
31676
52%
**77
93%
ReloadSwiss RS 14
<<locked>>
81%
28848
47%
**83
100%
ReloadSwiss RS 60
<<locked>>
81%
49617
81%
**90
100%
ReloadSwiss RS 62
<<locked>>
81%
46412
76%
**82
100%
ReloadSwiss RS 70
<<locked>>
81%
44657
73%
**99
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
27876
46%
**05
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
35360
58%
**28
90%
[Rottweil R 904]*
<<locked>>
81%
40118
66%
**08
94%
Rottweil R 905
<<locked>>
81%
38014
62%
**12
95%
Rottweil R 907
<<locked>>
81%
49414
81%
**66
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
47297
78%
**90
99%
Shooters World Long Rifle
<<locked>>
81%
48254
79%
**46
100%
[Somchem S361]*
<<locked>>
81%
40944
67%
**98
94%
Somchem S365
<<locked>>
81%
42482
70%
**10
100%
Somchem S385
<<locked>>
81%
38682
64%
**92
96%
Vihtavuori N150
<<locked>>
81%
45788
75%
**61
100%
Vihtavuori N160
<<locked>>
81%
48878
80%
**79
100%
[Vihtavuori N165]*
<<locked>>
81%
32532
53%
**44
93%
Vihtavuori N550
<<locked>>
81%
49690
82%
**25
100%
Vihtavuori N555
<<locked>>
81%
37275
61%
**12
99%
[Vihtavuori N560]*
<<locked>>
81%
34606
57%
**75
91%
[Vihtavuori N565]*
<<locked>>
83%
32097
53%
**00
90%
[Vihtavuori N568]*
<<locked>>
91%
36390
60%
**38
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46296
76%
**10
100%
Winchester StaBALL HD
<<locked>>
81%
28485
47%
**33
99%

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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