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Load data for .300 H & H Mag. + .308 | 170gr | Lapua Lock Base

Recommended Powder(s): Alliant Reloder-16, Norma URP, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 H & H Mag. + .308 | 170gr | Lapua Lock Base

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 170gr | Lapua Lock Base
Manufacturer SKU:
4PL7086 | B476
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.201" | 30.5mm
Caliber:
.300 H & H Mag. load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.505" | 12.8mm
Shank Seated Depth:
0.340" | 8.6mm
Case Capacity:
85.9 Grains of Water | 5.58 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B3155_C357
Last updated:
2025-01-01
Recommended Twist Rate:
1:14 - 1:11

Load data for 162 loads in caliber .300 H & H Mag. with .308 | 170gr | Lapua Lock Base bullet and 81 powders such as Alliant Reloder-16, Norma URP, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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 2208
<<locked>>
87%
55724
89%
**61
100%
ADI AR 2209
<<locked>>
97%
52214
84%
**87
97%
[ADI AR 2213]*
<<locked>>
97%
46992
75%
**08
93%
Accurate 2700
<<locked>>
88%
55680
89%
**12
98%
Accurate 3100
<<locked>>
97%
45252
73%
**36
98%
Accurate 4064
<<locked>>
86%
55956
90%
**41
100%
Accurate 4350
<<locked>>
93%
55216
89%
**27
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
55970
90%
**77
100%
Alliant Reloder-15
<<locked>>
85%
55680
89%
**90
100%
Alliant Reloder-16 👍
<<locked>>
95%
55869
90%
**76
100%
Alliant Reloder-17
<<locked>>
90%
55767
89%
**86
100%
Alliant Reloder-19
<<locked>>
97%
51445
82%
**74
97%
Alliant Reloder-22
<<locked>>
97%
45498
73%
**15
95%
Alliant Reloder-23
<<locked>>
97%
43439
70%
**79
100%
Alliant Reloder-25
<<locked>>
97%
37579
60%
**61
96%
Alliant Reloder-26
<<locked>>
97%
48414
78%
**40
100%
Hodgdon CFE223
<<locked>>
85%
55434
89%
**23
100%
Hodgdon H380
<<locked>>
86%
56130
90%
**90
100%
Hodgdon H414
<<locked>>
89%
55680
89%
**40
99%
Hodgdon H4350
<<locked>>
96%
55564
89%
**84
98%
[Hodgdon H4831]*
<<locked>>
97%
43366
70%
**94
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
49284
79%
**05
94%
Hodgdon Hybrid 100V
<<locked>>
97%
55506
89%
**94
100%
Hodgdon LVR
<<locked>>
91%
55172
88%
**20
100%
Hodgdon Superperformance
<<locked>>
92%
55811
89%
**79
99%
Hodgdon VARGET
<<locked>>
88%
55724
89%
**61
100%
Hodgdon TrailBoss
<<locked>>
96%
34548
55%
**52
100%
IMR 3031
<<locked>>
84%
55724
89%
**48
100%
IMR 4064
<<locked>>
88%
55506
89%
**51
100%
IMR 4166 Enduron
<<locked>>
89%
56086
90%
**51
99%
IMR 4350
<<locked>>
95%
55927
90%
**84
98%
IMR 4451 Enduron
<<locked>>
90%
55651
89%
**71
99%
IMR 4831
<<locked>>
97%
52199
84%
**64
100%
IMR 4895
<<locked>>
84%
55564
89%
**04
100%
[IMR 4955 Enduron]*
<<locked>>
97%
48428
78%
**59
94%
[IMR 7828 SSC]*
<<locked>>
97%
47616
76%
**38
94%
Lovex S062
<<locked>>
86%
56115
90%
**54
100%
Lovex S065
<<locked>>
92%
56101
90%
**71
100%
Lovex S070
<<locked>>
93%
55753
89%
**90
99%
Lovex S071
<<locked>>
97%
37840
61%
**92
96%
Norma 203B
<<locked>>
85%
55666
89%
**90
100%
Norma 204
<<locked>>
94%
55187
88%
**17
97%
Norma MRP
<<locked>>
97%
48254
77%
**00
98%
Norma URP 👍
<<locked>>
94%
55840
90%
**36
100%
Ramshot Big Game
<<locked>>
85%
55535
89%
**04
100%
Ramshot Hunter 👍
<<locked>>
95%
55477
89%
**46
99%
Ramshot Magnum
<<locked>>
97%
43758
70%
**53
95%
ReloadSwiss RS 14
<<locked>>
97%
35244
57%
**98
100%
ReloadSwiss RS 50
<<locked>>
86%
55811
89%
**71
99%
ReloadSwiss RS 52
<<locked>>
85%
55912
90%
**10
100%
ReloadSwiss RS 60
<<locked>>
91%
55434
89%
**99
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
55825
90%
**53
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
55811
89%
**02
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
36419
58%
**48
92%
Rottweil R 902
<<locked>>
85%
55927
90%
**35
100%
Rottweil R 903
<<locked>>
88%
55303
89%
**67
100%
Rottweil R 904
<<locked>>
97%
54172
87%
**67
96%
Rottweil R 905
<<locked>>
97%
50952
82%
**64
97%
Rottweil R 907
<<locked>>
91%
55898
90%
**74
98%
SNPE Vectan SP 11
<<locked>>
88%
56072
90%
**17
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
55825
90%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
55463
89%
**15
99%
Shooters World Long Rifle
<<locked>>
92%
56101
90%
**71
100%
Shooters World Precision
<<locked>>
86%
56115
90%
**54
100%
Somchem S355
<<locked>>
89%
55651
89%
**71
100%
Somchem S361
<<locked>>
97%
55680
89%
**61
95%
Somchem S365
<<locked>>
97%
56028
90%
**49
100%
Somchem S385
<<locked>>
97%
51590
83%
**48
98%
Vihtavuori N133
<<locked>>
84%
55869
90%
**40
100%
Vihtavuori N135
<<locked>>
90%
55637
89%
**89
100%
Vihtavuori N140
<<locked>>
85%
55593
89%
**95
100%
Vihtavuori N150
<<locked>>
94%
56086
90%
**41
100%
Vihtavuori N160
<<locked>>
91%
55405
89%
**84
100%
Vihtavuori N165
<<locked>>
97%
42743
69%
**71
95%
Vihtavuori N540
<<locked>>
85%
55854
90%
**35
100%
Vihtavuori N550
<<locked>>
91%
55593
89%
**30
100%
Vihtavuori N555
<<locked>>
97%
48399
78%
**54
100%
[Vihtavuori N560]*
<<locked>>
97%
45730
73%
**31
93%
Winchester 6.5 StaBALL
<<locked>>
93%
55492
89%
**67
100%
Winchester 760
<<locked>>
89%
55680
89%
**40
99%
Winchester StaBALL HD
<<locked>>
97%
36201
58%
**85
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
45847
74%
**00
99%
[ADI AR 2209]*
<<locked>>
84%
34534
55%
**13
90%
[ADI AR 2213]*
<<locked>>
91%
39117
63%
**35
90%
Accurate 2700
<<locked>>
81%
44179
71%
**18
96%
[Accurate 3100]*
<<locked>>
81%
26803
43%
**03
90%
Accurate 4064
<<locked>>
81%
48008
77%
**26
100%
Accurate 4350
<<locked>>
81%
36245
58%
**69
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
45832
73%
**13
100%
Alliant Reloder-15
<<locked>>
81%
49211
79%
**89
100%
Alliant Reloder-16
<<locked>>
81%
35839
57%
**82
97%
Alliant Reloder-17
<<locked>>
81%
40509
65%
**20
100%
[Alliant Reloder-19]*
<<locked>>
83%
33373
54%
**90
90%
[Alliant Reloder-22]*
<<locked>>
87%
33431
54%
**30
90%
[Alliant Reloder-23]*
<<locked>>
81%
26049
42%
**26
94%
[Alliant Reloder-25]*
<<locked>>
87%
27847
45%
**72
90%
[Alliant Reloder-26]*
<<locked>>
81%
27514
44%
**11
91%
Hodgdon CFE223
<<locked>>
81%
48225
77%
**05
99%
Hodgdon H380
<<locked>>
81%
46543
75%
**33
99%
Hodgdon H414
<<locked>>
81%
41901
67%
**90
96%
[Hodgdon H4350]*
<<locked>>
81%
34548
55%
**70
92%
[Hodgdon H4831]*
<<locked>>
94%
39697
64%
**15
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
39697
64%
**15
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33054
53%
**77
98%
Hodgdon LVR
<<locked>>
81%
39160
63%
**21
97%
[Hodgdon Superperformance]*
<<locked>>
81%
37652
60%
**21
94%
Hodgdon VARGET
<<locked>>
81%
45295
73%
**87
99%
Hodgdon TrailBoss
<<locked>>
85%
29225
47%
**44
100%
IMR 3031
<<locked>>
81%
50343
81%
**72
100%
IMR 4064
<<locked>>
81%
44875
72%
**74
99%
IMR 4166 Enduron
<<locked>>
81%
44382
71%
**44
97%
[IMR 4350]*
<<locked>>
81%
36390
58%
**20
93%
IMR 4451 Enduron
<<locked>>
81%
42409
68%
**25
96%
IMR 4831
<<locked>>
81%
31952
51%
**44
95%
IMR 4895
<<locked>>
81%
50386
81%
**15
100%
[IMR 4955 Enduron]*
<<locked>>
89%
38406
62%
**56
90%
[IMR 7828 SSC]*
<<locked>>
91%
39001
63%
**51
90%
Lovex S062
<<locked>>
81%
48051
77%
**30
100%
Lovex S065
<<locked>>
81%
39653
64%
**72
97%
Lovex S070
<<locked>>
81%
37913
61%
**49
95%
[Lovex S071]*
<<locked>>
86%
26803
43%
**03
90%
Norma 203B
<<locked>>
81%
48443
78%
**72
100%
[Norma 204]*
<<locked>>
81%
36013
58%
**36
91%
[Norma MRP]*
<<locked>>
84%
30676
49%
**84
90%
Norma URP
<<locked>>
81%
36201
58%
**62
97%
Ramshot Big Game
<<locked>>
81%
48849
78%
**99
100%
Ramshot Hunter
<<locked>>
81%
35317
57%
**56
95%
[Ramshot Magnum]*
<<locked>>
89%
33098
53%
**97
90%
ReloadSwiss RS 14
<<locked>>
81%
28137
45%
**47
100%
ReloadSwiss RS 50
<<locked>>
81%
46804
75%
**23
98%
ReloadSwiss RS 52
<<locked>>
81%
48457
78%
**95
100%
ReloadSwiss RS 60
<<locked>>
81%
39233
63%
**07
100%
ReloadSwiss RS 62
<<locked>>
81%
36027
58%
**82
97%
ReloadSwiss RS 70
<<locked>>
81%
35433
57%
**92
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
32982
53%
**49
90%
Rottweil R 902
<<locked>>
81%
50082
80%
**43
100%
Rottweil R 903
<<locked>>
81%
43468
70%
**74
100%
[Rottweil R 904]*
<<locked>>
85%
36448
58%
**20
90%
[Rottweil R 905]*
<<locked>>
84%
32808
53%
**80
90%
Rottweil R 907
<<locked>>
81%
41002
66%
**98
95%
SNPE Vectan SP 11
<<locked>>
81%
44759
72%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45020
72%
**89
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38870
62%
**20
95%
Shooters World Long Rifle
<<locked>>
81%
39653
64%
**72
97%
Shooters World Precision
<<locked>>
81%
48051
77%
**30
100%
Somchem S355
<<locked>>
81%
43801
70%
**74
100%
[Somchem S361]*
<<locked>>
86%
39102
63%
**46
90%
Somchem S365
<<locked>>
81%
32547
52%
**16
99%
[Somchem S385]*
<<locked>>
81%
30821
49%
**08
90%
Vihtavuori N133
<<locked>>
81%
50604
81%
**64
100%
Vihtavuori N135
<<locked>>
81%
42873
69%
**92
100%
Vihtavuori N140
<<locked>>
81%
49763
80%
**10
100%
Vihtavuori N150
<<locked>>
81%
37449
60%
**16
100%
Vihtavuori N160
<<locked>>
81%
39305
63%
**02
98%
[Vihtavuori N165]*
<<locked>>
88%
31633
51%
**18
90%
Vihtavuori N540
<<locked>>
81%
49356
79%
**36
100%
Vihtavuori N550
<<locked>>
81%
39668
64%
**41
98%
[Vihtavuori N555]*
<<locked>>
81%
28369
45%
**05
94%
[Vihtavuori N560]*
<<locked>>
92%
39146
63%
**80
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37217
60%
**43
99%
Winchester 760
<<locked>>
81%
41901
67%
**90
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23076
37%
**67
91%

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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