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Load data for 7.62 UKM + .308 | 180gr | Sierra Bullets Gamechanger

Recommended Powder(s):

7.62 UKM + .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:
7.62 UKM load data
Case Length (l3):
2.244" | 57.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
95.5 Grains of Water | 6.20 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10773_C1114
Last updated:
2026-03-07
Recommended Twist Rate:
1:11 - 1:9

Load data for 160 loads in caliber 7.62 UKM with .308 | 180gr | Sierra Bullets Gamechanger bullet and 80 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 2208
<<locked>>
84%
57276
90%
**61
100%
ADI AR 2209
<<locked>>
95%
56826
89%
**46
99%
ADI AR 2213
<<locked>>
97%
54868
86%
**53
98%
[ADI AR 2217]*
<<locked>>
97%
39958
63%
**54
94%
ADI AR 2225
<<locked>>
97%
35549
56%
**05
96%
Accurate 2700
<<locked>>
85%
57348
90%
**35
99%
Accurate 3100
<<locked>>
97%
54853
86%
**64
100%
Accurate 4350
<<locked>>
89%
57435
90%
**23
100%
Accurate MAGPRO
<<locked>>
97%
54215
85%
**63
96%
Alliant Reloder- TS 15.5
<<locked>>
83%
56869
89%
**64
100%
Alliant Reloder-16
<<locked>>
91%
57014
89%
**56
100%
Alliant Reloder-17
<<locked>>
86%
56797
89%
**59
100%
Alliant Reloder-19
<<locked>>
95%
56666
89%
**40
99%
Alliant Reloder-22
<<locked>>
97%
54389
85%
**46
99%
Alliant Reloder-23
<<locked>>
97%
51692
81%
**81
100%
Alliant Reloder-25
<<locked>>
97%
45092
71%
**18
100%
Alliant Reloder-26 👍
<<locked>>
95%
56855
89%
**41
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
53795
84%
**58
94%
Bofors RP15
<<locked>>
97%
49719
78%
**67
98%
Bofors RP30
<<locked>>
97%
40973
64%
**26
95%
Bofors RP5
<<locked>>
97%
54389
85%
**46
99%
Bofors RP7
<<locked>>
88%
57276
90%
**74
100%
[Hodgdon H1000]*
<<locked>>
97%
39958
63%
**54
94%
Hodgdon H414
<<locked>>
86%
57377
90%
**43
100%
Hodgdon H4350
<<locked>>
92%
56927
89%
**87
100%
Hodgdon H4831
<<locked>>
97%
51039
80%
**35
96%
Hodgdon H4831 SC
<<locked>>
96%
56869
89%
**20
98%
Hodgdon Hybrid 100V
<<locked>>
92%
57043
89%
**74
100%
Hodgdon LVR
<<locked>>
88%
56942
89%
**13
100%
Hodgdon Retumbo
<<locked>>
97%
35549
56%
**05
96%
Hodgdon Superperformance
<<locked>>
88%
57072
89%
**79
100%
Hodgdon VARGET
<<locked>>
84%
56913
89%
**51
100%
Hodgdon TrailBoss
<<locked>>
96%
34940
55%
**65
100%
IMR 4064
<<locked>>
85%
56971
89%
**44
100%
IMR 4166 Enduron
<<locked>>
86%
57116
89%
**54
100%
IMR 4350
<<locked>>
91%
56927
89%
**87
100%
IMR 4451 Enduron
<<locked>>
87%
57159
90%
**81
100%
IMR 4831
<<locked>>
94%
56985
89%
**04
100%
IMR 4955 Enduron
<<locked>>
97%
56362
88%
**84
98%
IMR 7828 SSC
<<locked>>
97%
56463
88%
**95
98%
Lovex S065
<<locked>>
88%
56942
89%
**61
100%
Lovex S070
<<locked>>
89%
57188
90%
**90
100%
Lovex S071
<<locked>>
97%
45919
72%
**20
99%
Norma 204 👍
<<locked>>
90%
57406
90%
**40
99%
[Norma 217]*
<<locked>>
97%
31343
49%
**23
93%
Norma MRP 👍
<<locked>>
96%
56811
89%
**22
100%
Norma URP
<<locked>>
90%
56942
89%
**20
100%
Ramshot Grand
<<locked>>
95%
56753
89%
**05
99%
Ramshot Hunter 👍
<<locked>>
91%
57130
90%
**43
100%
Ramshot Magnum
<<locked>>
97%
52910
83%
**17
99%
ReloadSwiss RS 14
<<locked>>
96%
35636
56%
**04
100%
ReloadSwiss RS 60
<<locked>>
84%
57188
90%
**63
100%
ReloadSwiss RS 62
<<locked>>
89%
56797
89%
**40
100%
ReloadSwiss RS 70
<<locked>>
90%
56898
89%
**89
100%
ReloadSwiss RS 76
<<locked>>
97%
43656
68%
**35
98%
Rottweil R 903
<<locked>>
85%
56884
89%
**58
100%
Rottweil R 904
<<locked>>
94%
56884
89%
**97
98%
Rottweil R 905
<<locked>>
95%
57058
89%
**46
99%
Rottweil R 907
<<locked>>
88%
57276
90%
**74
100%
SNPE Vectan SP 11
<<locked>>
84%
56739
89%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57363
90%
**40
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
56942
89%
**28
100%
Shooters World Long Rifle
<<locked>>
88%
56942
89%
**61
100%
Somchem S355
<<locked>>
85%
57087
89%
**54
100%
Somchem S361
<<locked>>
93%
56985
89%
**64
98%
Somchem S365
<<locked>>
92%
57305
90%
**30
100%
Somchem S385
<<locked>>
95%
57435
90%
**17
100%
Vihtavuori N135
<<locked>>
86%
56666
89%
**66
100%
Vihtavuori N150
<<locked>>
90%
56768
89%
**12
100%
Vihtavuori N160
<<locked>>
88%
57305
90%
**87
100%
Vihtavuori N165
<<locked>>
97%
50343
79%
**92
99%
Vihtavuori N550
<<locked>>
87%
56942
89%
**23
100%
Vihtavuori N555
<<locked>>
96%
56884
89%
**49
100%
Vihtavuori N560
<<locked>>
97%
54955
86%
**79
98%
Vihtavuori N565
<<locked>>
97%
46601
73%
**18
96%
[Vihtavuori N568]*
<<locked>>
97%
40683
64%
**26
92%
Winchester 6.5 StaBALL
<<locked>>
89%
57058
89%
**54
100%
Winchester 760
<<locked>>
86%
57377
90%
**43
100%
Winchester StaBALL HD 👍
<<locked>>
97%
47790
75%
**43
100%
Winchester Supreme 780
<<locked>>
94%
57130
90%
**04
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51822
81%
**79
100%
[ADI AR 2209]*
<<locked>>
81%
36274
57%
**56
94%
[ADI AR 2213]*
<<locked>>
82%
33373
52%
**93
90%
[ADI AR 2217]*
<<locked>>
91%
33359
52%
**84
90%
[ADI AR 2225]*
<<locked>>
89%
28137
44%
**82
90%
Accurate 2700
<<locked>>
81%
50111
79%
**17
99%
Accurate 3100
<<locked>>
81%
31966
50%
**31
95%
Accurate 4350
<<locked>>
81%
43265
68%
**90
100%
[Accurate MAGPRO]*
<<locked>>
86%
36985
58%
**12
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52591
82%
**02
100%
Alliant Reloder-16
<<locked>>
81%
41481
65%
**90
100%
Alliant Reloder-17
<<locked>>
81%
47761
75%
**22
100%
[Alliant Reloder-19]*
<<locked>>
81%
36230
57%
**46
94%
[Alliant Reloder-22]*
<<locked>>
81%
32024
50%
**84
92%
Alliant Reloder-23
<<locked>>
81%
30748
48%
**61
99%
[Alliant Reloder-25]*
<<locked>>
81%
26948
42%
**46
93%
Alliant Reloder-26
<<locked>>
81%
33228
52%
**79
97%
[Baschieri & Pellagri 109]*
<<locked>>
88%
41655
65%
**18
90%
[Bofors RP15]*
<<locked>>
81%
29950
47%
**18
90%
[Bofors RP30]*
<<locked>>
88%
31067
49%
**84
90%
[Bofors RP5]*
<<locked>>
81%
32024
50%
**84
92%
Bofors RP7
<<locked>>
81%
46760
73%
**97
98%
[Hodgdon H1000]*
<<locked>>
91%
33359
52%
**84
90%
Hodgdon H414
<<locked>>
81%
49066
77%
**12
99%
Hodgdon H4350
<<locked>>
81%
39914
63%
**82
96%
[Hodgdon H4831]*
<<locked>>
84%
34011
53%
**74
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
34011
53%
**74
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39247
62%
**85
100%
Hodgdon LVR
<<locked>>
81%
45832
72%
**36
100%
[Hodgdon Retumbo]*
<<locked>>
89%
28137
44%
**82
90%
Hodgdon Superperformance
<<locked>>
81%
44454
70%
**62
98%
Hodgdon VARGET
<<locked>>
81%
51503
81%
**69
100%
Hodgdon TrailBoss
<<locked>>
81%
27963
44%
**17
100%
IMR 4064
<<locked>>
81%
50923
80%
**56
100%
IMR 4166 Enduron
<<locked>>
81%
49908
78%
**40
99%
IMR 4350
<<locked>>
81%
42047
66%
**25
97%
IMR 4451 Enduron
<<locked>>
81%
48008
75%
**26
99%
IMR 4831
<<locked>>
81%
37579
59%
**59
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34461
54%
**48
91%
[IMR 7828 SSC]*
<<locked>>
81%
33446
52%
**03
90%
Lovex S065
<<locked>>
81%
45469
71%
**71
99%
Lovex S070
<<locked>>
81%
43816
69%
**64
98%
[Lovex S071]*
<<locked>>
81%
27528
43%
**03
93%
Norma 204
<<locked>>
81%
41989
66%
**64
96%
[Norma 217]*
<<locked>>
93%
28326
44%
**21
90%
Norma MRP
<<locked>>
81%
33330
52%
**52
95%
Norma URP
<<locked>>
81%
42699
67%
**84
100%
[Ramshot Grand]*
<<locked>>
81%
33837
53%
**30
91%
Ramshot Hunter
<<locked>>
81%
41510
65%
**67
98%
[Ramshot Magnum]*
<<locked>>
81%
29486
46%
**98
91%
ReloadSwiss RS 14
<<locked>>
81%
28601
45%
**57
100%
ReloadSwiss RS 60
<<locked>>
81%
50676
79%
**67
100%
ReloadSwiss RS 62
<<locked>>
81%
43105
68%
**07
99%
ReloadSwiss RS 70
<<locked>>
81%
41568
65%
**20
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
28239
44%
**11
90%
Rottweil R 903
<<locked>>
81%
50502
79%
**62
100%
[Rottweil R 904]*
<<locked>>
81%
37681
59%
**39
93%
[Rottweil R 905]*
<<locked>>
81%
35317
55%
**36
94%
Rottweil R 907
<<locked>>
81%
46760
73%
**97
98%
SNPE Vectan SP 11
<<locked>>
81%
51895
81%
**22
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51097
80%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44657
70%
**18
98%
Shooters World Long Rifle
<<locked>>
81%
45469
71%
**71
99%
Somchem S355
<<locked>>
81%
50386
79%
**56
100%
[Somchem S361]*
<<locked>>
81%
38435
60%
**26
92%
Somchem S365
<<locked>>
81%
39276
62%
**35
100%
Somchem S385
<<locked>>
81%
36027
56%
**20
95%
Vihtavuori N135
<<locked>>
81%
49095
77%
**54
100%
Vihtavuori N150
<<locked>>
81%
43366
68%
**05
100%
Vihtavuori N160
<<locked>>
81%
46122
72%
**07
100%
[Vihtavuori N165]*
<<locked>>
81%
30327
48%
**72
92%
Vihtavuori N550
<<locked>>
81%
46499
73%
**49
100%
Vihtavuori N555
<<locked>>
81%
34374
54%
**36
99%
[Vihtavuori N560]*
<<locked>>
83%
33837
53%
**33
90%
[Vihtavuori N565]*
<<locked>>
86%
32561
51%
**03
90%
[Vihtavuori N568]*
<<locked>>
94%
37101
58%
**44
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43004
67%
**41
100%
Winchester 760
<<locked>>
81%
49066
77%
**12
99%
Winchester StaBALL HD
<<locked>>
81%
25251
40%
**51
98%
[Winchester Supreme 780]*
<<locked>>
81%
35679
56%
**10
94%

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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