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

Recommended Powder(s):

.300 CR + .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:
<<locked>>
Caliber:
.300 CR load data
Case Length (l3):
2.000" | 50.8mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
53.0 Grains of Water | 3.44 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B10773_C352
Last updated:
2026-02-10
Recommended Twist Rate:
1:11 - 1:9

Load data for 162 loads in caliber .300 CR with .308 | 180gr | Sierra Bullets Gamechanger bullet and 81 powder(s). 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.

    .

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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
ADI AR 2206H
<<locked>>
96%
50386
81%
**31
98%
ADI AR 2207
<<locked>>
87%
56043
90%
**79
100%
ADI AR 2208
<<locked>>
96%
42888
69%
**87
95%
ADI AR 2219
<<locked>>
90%
55042
88%
**67
100%
Accurate 2015
<<locked>>
96%
55796
89%
**28
100%
Accurate 2200
<<locked>>
97%
55956
90%
**57
97%
Accurate 2230
<<locked>>
92%
54969
88%
**44
99%
Accurate 2460 👍
<<locked>>
93%
55753
89%
**70
100%
Accurate 2495
<<locked>>
97%
49995
80%
**41
100%
Accurate 2520
<<locked>>
96%
51750
83%
**61
100%
Accurate 4064
<<locked>>
97%
41147
66%
**23
99%
Alliant AR-Comp
<<locked>>
96%
51053
82%
**38
100%
Alliant Power Pro 2000-MR
<<locked>>
97%
47790
77%
**67
96%
Alliant Reloder- TS 15.5
<<locked>>
97%
41176
66%
**13
97%
Alliant Reloder-10x
<<locked>>
92%
54897
88%
**21
100%
Alliant Reloder-15
<<locked>>
96%
44599
72%
**62
96%
[Alliant Reloder-17]*
<<locked>>
96%
36579
59%
**64
94%
Alliant Reloder-7
<<locked>>
86%
55288
89%
**72
100%
Baschieri & Pellagri 106
<<locked>>
90%
55709
89%
**79
100%
Baschieri & Pellagri 107
<<locked>>
96%
49966
80%
**38
96%
Bofors RP3
<<locked>>
96%
40234
65%
**10
97%
Hodgdon BL-C2
<<locked>>
97%
53272
85%
**03
99%
Hodgdon Benchmark
<<locked>>
96%
55550
89%
**25
100%
Hodgdon CFE BLK
<<locked>>
87%
55056
88%
**88
99%
Hodgdon CFE223
<<locked>>
97%
44338
71%
**75
95%
Hodgdon H322
<<locked>>
95%
55042
88%
**67
100%
Hodgdon H335
<<locked>>
90%
54853
88%
**77
100%
[Hodgdon H380]*
<<locked>>
96%
41974
67%
**03
93%
Hodgdon H4198
<<locked>>
88%
54810
88%
**65
100%
Hodgdon H4895
<<locked>>
96%
50662
81%
**44
98%
Hodgdon VARGET
<<locked>>
96%
42264
68%
**83
95%
IMR 3031
<<locked>>
97%
44628
72%
**85
100%
IMR 4064
<<locked>>
96%
41466
66%
**64
95%
IMR 4198
<<locked>>
92%
55767
89%
**85
100%
IMR 4895
<<locked>>
96%
45600
73%
**92
97%
IMR 8208 XBR
<<locked>>
96%
53403
86%
**44
99%
Lovex D073.4
<<locked>>
92%
55767
89%
**54
100%
Lovex D073.5
<<locked>>
93%
55129
88%
**61
100%
Lovex D073.6
<<locked>>
96%
48008
77%
**11
100%
Lovex S060
<<locked>>
97%
52924
85%
**88
98%
Lovex S062
<<locked>>
97%
44628
72%
**33
98%
Norma 200
<<locked>>
88%
55753
89%
**08
100%
Norma 201
<<locked>>
97%
49879
80%
**95
99%
Norma 202
<<locked>>
97%
49864
80%
**11
100%
Norma 203B
<<locked>>
96%
43555
70%
**52
96%
Ramshot Big Game
<<locked>>
97%
44962
72%
**82
96%
Ramshot TAC
<<locked>>
97%
55550
89%
**61
96%
Ramshot Wild Boar
<<locked>>
96%
52620
84%
**70
98%
Ramshot X-Terminator
<<locked>>
94%
55100
88%
**41
98%
ReloadSwiss RS 40 👍
<<locked>>
94%
56028
90%
**70
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
43729
70%
**97
92%
ReloadSwiss RS 52
<<locked>>
97%
47297
76%
**67
97%
ReloadSwiss RS 60
<<locked>>
96%
39189
63%
**33
97%
Rottweil R 901
<<locked>>
97%
54186
87%
**34
100%
Rottweil R 902
<<locked>>
97%
47224
76%
**49
98%
Rottweil R 903
<<locked>>
97%
37246
60%
**51
95%
SNPE Vectan BA6 1/2
<<locked>>
87%
56057
90%
**46
100%
SNPE Vectan SP 10
<<locked>>
90%
56101
90%
**87
100%
SNPE Vectan SP 11
<<locked>>
97%
40408
65%
**10
95%
SNPE Vectan SP 7
<<locked>>
96%
51822
83%
**21
96%
SNPE Vectan SP 9
<<locked>>
97%
49487
79%
**15
97%
SNPE Vectan Tubal 3000
<<locked>>
97%
53011
85%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
42699
68%
**38
100%
Shooters World Match Rifle
<<locked>>
96%
48008
77%
**11
100%
Shooters World Precision
<<locked>>
97%
44628
72%
**33
98%
Shooters World Tactical Rifle
<<locked>>
91%
55317
89%
**28
99%
Somchem S321 👍
<<locked>>
95%
55622
89%
**93
99%
Somchem S335
<<locked>>
97%
51445
82%
**65
100%
Somchem S341
<<locked>>
96%
51097
82%
**21
98%
Somchem S355
<<locked>>
97%
39291
63%
**70
96%
Vihtavuori N120
<<locked>>
90%
56130
90%
**33
100%
Vihtavuori N130
<<locked>>
95%
55521
89%
**82
100%
Vihtavuori N133
<<locked>>
96%
47921
77%
**06
100%
Vihtavuori N135
<<locked>>
96%
36767
59%
**08
100%
Vihtavuori N140
<<locked>>
97%
46760
75%
**46
100%
Vihtavuori N150
<<locked>>
96%
32982
53%
**29
95%
Vihtavuori N530
<<locked>>
95%
54752
88%
**70
99%
Vihtavuori N540
<<locked>>
96%
45818
73%
**62
100%
[Winchester 6.5 StaBALL]*
<<locked>>
96%
34766
56%
**36
93%
Winchester 748 👍
<<locked>>
96%
55782
89%
**30
100%
Winchester StaBALL Match 👍
<<locked>>
93%
54592
88%
**00
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
31024
50%
**83
92%
ADI AR 2207
<<locked>>
81%
46601
75%
**64
100%
[ADI AR 2208]*
<<locked>>
85%
30821
49%
**51
90%
ADI AR 2219
<<locked>>
81%
41046
66%
**74
100%
Accurate 2015
<<locked>>
81%
35636
57%
**42
100%
[Accurate 2200]*
<<locked>>
81%
33315
53%
**87
90%
Accurate 2230
<<locked>>
81%
36840
59%
**72
95%
Accurate 2460
<<locked>>
81%
36782
59%
**88
97%
Accurate 2495
<<locked>>
81%
29428
47%
**00
99%
Accurate 2520
<<locked>>
81%
30371
49%
**06
96%
Accurate 4064
<<locked>>
81%
24787
40%
**82
95%
Alliant AR-Comp
<<locked>>
81%
31241
50%
**33
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
87%
34403
55%
**05
90%
[Alliant Reloder- TS 15.5]*
<<locked>>
82%
25889
42%
**85
90%
Alliant Reloder-10x
<<locked>>
81%
39044
63%
**01
100%
[Alliant Reloder-15]*
<<locked>>
83%
29385
47%
**67
90%
[Alliant Reloder-17]*
<<locked>>
91%
30763
49%
**26
90%
Alliant Reloder-7
<<locked>>
81%
47369
76%
**74
100%
Baschieri & Pellagri 106
<<locked>>
81%
41698
67%
**92
100%
[Baschieri & Pellagri 107]*
<<locked>>
83%
32184
52%
**10
90%
[Bofors RP3]*
<<locked>>
83%
25338
41%
**91
90%
[Hodgdon BL-C2]*
<<locked>>
81%
30806
49%
**19
93%
Hodgdon Benchmark
<<locked>>
81%
35476
57%
**13
96%
Hodgdon CFE BLK
<<locked>>
81%
46267
74%
**64
98%
[Hodgdon CFE223]*
<<locked>>
88%
33736
54%
**69
90%
Hodgdon H322
<<locked>>
81%
35070
56%
**65
99%
Hodgdon H335
<<locked>>
81%
40335
65%
**67
99%
[Hodgdon H380]*
<<locked>>
89%
33272
53%
**42
90%
Hodgdon H4198
<<locked>>
81%
44469
71%
**24
100%
[Hodgdon H4895]*
<<locked>>
81%
31067
50%
**90
93%
[Hodgdon VARGET]*
<<locked>>
85%
30443
49%
**44
90%
IMR 3031
<<locked>>
81%
27615
44%
**54
97%
[IMR 4064]*
<<locked>>
85%
29733
48%
**24
90%
IMR 4198
<<locked>>
81%
40567
65%
**88
100%
[IMR 4895]*
<<locked>>
81%
27789
45%
**41
90%
[IMR 8208 XBR]*
<<locked>>
81%
32924
53%
**03
94%
Lovex D073.4
<<locked>>
81%
38261
61%
**05
97%
Lovex D073.5
<<locked>>
81%
36289
58%
**82
97%
Lovex D073.6
<<locked>>
81%
28747
46%
**70
95%
[Lovex S060]*
<<locked>>
81%
32793
53%
**54
93%
[Lovex S062]*
<<locked>>
81%
27209
44%
**91
92%
Norma 200
<<locked>>
81%
44106
71%
**64
100%
[Norma 201]*
<<locked>>
81%
30618
49%
**54
94%
Norma 202
<<locked>>
81%
30327
49%
**73
97%
[Norma 203B]*
<<locked>>
82%
28166
45%
**41
90%
[Ramshot Big Game]*
<<locked>>
85%
30269
49%
**87
90%
[Ramshot TAC]*
<<locked>>
84%
36680
59%
**62
90%
[Ramshot Wild Boar]*
<<locked>>
81%
31807
51%
**10
92%
[Ramshot X-Terminator]*
<<locked>>
81%
36289
58%
**49
94%
ReloadSwiss RS 40
<<locked>>
81%
37159
60%
**88
97%
[ReloadSwiss RS 50]*
<<locked>>
93%
39581
63%
**28
90%
[ReloadSwiss RS 52]*
<<locked>>
83%
30516
49%
**36
90%
[ReloadSwiss RS 60]*
<<locked>>
84%
26426
42%
**18
90%
Rottweil R 901
<<locked>>
81%
34243
55%
**19
97%
[Rottweil R 902]*
<<locked>>
81%
29022
47%
**11
93%
[Rottweil R 903]*
<<locked>>
86%
26310
42%
**11
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
48138
77%
**60
100%
SNPE Vectan SP 10
<<locked>>
81%
41437
66%
**80
99%
[SNPE Vectan SP 11]*
<<locked>>
87%
30284
49%
**93
90%
[SNPE Vectan SP 7]*
<<locked>>
84%
34055
55%
**29
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
29965
48%
**57
91%
SNPE Vectan Tubal 3000
<<locked>>
81%
32808
53%
**47
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
26527
43%
**32
96%
Shooters World Match Rifle
<<locked>>
81%
28747
46%
**70
95%
[Shooters World Precision]*
<<locked>>
81%
27209
44%
**91
92%
Shooters World Tactical Rifle
<<locked>>
81%
39363
63%
**95
96%
Somchem S321
<<locked>>
81%
35070
56%
**75
96%
Somchem S335
<<locked>>
81%
31836
51%
**47
98%
[Somchem S341]*
<<locked>>
81%
30792
49%
**64
91%
[Somchem S355]*
<<locked>>
84%
26672
43%
**95
90%
Vihtavuori N120
<<locked>>
81%
43120
69%
**78
100%
Vihtavuori N130
<<locked>>
81%
36680
59%
**19
100%
Vihtavuori N133
<<locked>>
81%
30589
49%
**21
99%
Vihtavuori N135
<<locked>>
81%
23308
37%
**06
96%
Vihtavuori N140
<<locked>>
81%
28471
46%
**14
96%
[Vihtavuori N150]*
<<locked>>
85%
23656
38%
**00
90%
Vihtavuori N530
<<locked>>
81%
34708
56%
**52
95%
Vihtavuori N540
<<locked>>
81%
28137
45%
**31
95%
[Winchester 6.5 StaBALL]*
<<locked>>
92%
30182
48%
**31
90%
Winchester 748
<<locked>>
81%
34142
55%
**85
96%
Winchester StaBALL Match
<<locked>>
81%
36390
58%
**11
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.

<<locked>>... you need to buy an access license to unlock the data

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