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Load data for .300 Win. Mag. + .308 | 220gr | Remington SP Core-Lokt

Recommended Powder(s): ADI AR 2213, IMR 7828 SSC, Ramshot Grand, ReloadSwiss RS 76, Vihtavuori N560

.300 Win. Mag. + .308 | 220gr | Remington SP Core-Lokt

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 220gr | Remington SP Core-Lokt
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.300 Win. Mag. load data
Case Length (l3):
2.620" | 66.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.330" | 8.4mm
Shank Seated Depth:
0.330" | 8.4mm
Case Capacity:
90.5 Grains of Water | 5.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B5178_C380
Last updated:
2025-12-20

Load data for 126 loads in caliber .300 Win. Mag. with .308 | 220gr | Remington SP Core-Lokt bullet and 63 powders such as ADI AR 2213, IMR 7828 SSC, Ramshot Grand, ReloadSwiss RS 76, Vihtavuori N560. 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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  • 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 2209
<<locked>>
90%
55579
89%
**61
100%
ADI AR 2213 👍
<<locked>>
93%
55347
89%
**00
99%
ADI AR 2217
<<locked>>
97%
46267
74%
**56
98%
ADI AR 2225
<<locked>>
97%
41263
66%
**13
99%
Accurate 3100
<<locked>>
93%
56086
90%
**12
100%
Accurate 4350
<<locked>>
84%
55738
89%
**18
100%
Accurate MAGPRO
<<locked>>
94%
55970
90%
**26
98%
Alliant Reloder-16
<<locked>>
86%
56101
90%
**54
100%
Alliant Reloder-19
<<locked>>
90%
55259
89%
**57
100%
Alliant Reloder-22
<<locked>>
93%
55434
89%
**90
100%
Alliant Reloder-23
<<locked>>
94%
55651
89%
**51
100%
Alliant Reloder-25
<<locked>>
97%
52156
84%
**71
100%
Alliant Reloder-26
<<locked>>
90%
55506
89%
**30
100%
[Alliant Reloder-33]*
<<locked>>
97%
42221
68%
**36
93%
Bofors RP15
<<locked>>
96%
55854
90%
**00
100%
Bofors RP30
<<locked>>
97%
48660
78%
**21
99%
Bofors RP5
<<locked>>
93%
55434
89%
**90
100%
Bofors RP7
<<locked>>
83%
55579
89%
**85
100%
Hodgdon H1000
<<locked>>
97%
46267
74%
**56
98%
Hodgdon H4350
<<locked>>
88%
56043
90%
**08
100%
Hodgdon H4831
<<locked>>
96%
55767
89%
**48
99%
Hodgdon H4831 SC
<<locked>>
92%
55767
89%
**48
99%
Hodgdon Hybrid 100V
<<locked>>
88%
56014
90%
**82
100%
Hodgdon Retumbo
<<locked>>
97%
41263
66%
**13
99%
Hodgdon Superperformance
<<locked>>
83%
55521
89%
**74
100%
IMR 4350
<<locked>>
86%
55782
89%
**05
100%
IMR 4831
<<locked>>
90%
56014
90%
**12
100%
IMR 4955 Enduron
<<locked>>
93%
55753
89%
**18
99%
IMR 7828 SSC 👍
<<locked>>
92%
55201
89%
**03
99%
[IMR 7977 Enduron]*
<<locked>>
97%
54447
87%
**56
93%
IMR 8133 Enduron
<<locked>>
97%
37275
60%
**25
96%
Lovex S065
<<locked>>
84%
55796
89%
**72
100%
Lovex S070
<<locked>>
85%
55883
90%
**98
100%
Lovex S071
<<locked>>
97%
53069
85%
**75
100%
Norma 204
<<locked>>
86%
55883
90%
**48
100%
Norma 217
<<locked>>
97%
37231
60%
**51
98%
Norma MRP
<<locked>>
91%
55535
89%
**20
100%
Norma URP
<<locked>>
85%
55419
89%
**15
100%
Ramshot Grand 👍
<<locked>>
90%
55956
90%
**23
100%
Ramshot Hunter
<<locked>>
86%
55564
89%
**41
100%
Ramshot Magnum
<<locked>>
94%
56130
90%
**94
100%
ReloadSwiss RS 62
<<locked>>
84%
55361
89%
**35
100%
ReloadSwiss RS 70
<<locked>>
85%
55724
89%
**87
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
51213
82%
**26
100%
ReloadSwiss RS 80
<<locked>>
97%
46209
74%
**15
97%
Rottweil R 904
<<locked>>
89%
55666
89%
**15
99%
Rottweil R 905
<<locked>>
90%
55869
90%
**61
100%
Rottweil R 907
<<locked>>
83%
55579
89%
**85
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
56101
90%
**52
100%
Shooters World Long Rifle
<<locked>>
84%
55796
89%
**72
100%
Somchem S361
<<locked>>
89%
56057
90%
**98
99%
Somchem S365
<<locked>>
87%
55985
90%
**15
100%
Somchem S385
<<locked>>
90%
55796
89%
**28
100%
Vihtavuori N150
<<locked>>
85%
55709
89%
**23
100%
Vihtavuori N165
<<locked>>
96%
56057
90%
**21
100%
[Vihtavuori N170]*
<<locked>>
97%
43410
70%
**34
92%
Vihtavuori N555
<<locked>>
91%
56115
90%
**54
100%
Vihtavuori N560 👍
<<locked>>
93%
55521
89%
**20
99%
Vihtavuori N565
<<locked>>
97%
54389
87%
**90
99%
Vihtavuori N568
<<locked>>
97%
47848
77%
**35
97%
[Vihtavuori N570]*
<<locked>>
97%
45382
73%
**12
94%
Winchester 6.5 StaBALL
<<locked>>
85%
56028
90%
**62
100%
Winchester StaBALL HD
<<locked>>
96%
56028
90%
**62
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41408
66%
**25
98%
ADI AR 2213
<<locked>>
81%
37057
59%
**62
95%
[ADI AR 2217]*
<<locked>>
82%
28282
45%
**36
90%
[ADI AR 2225]*
<<locked>>
81%
25005
40%
**80
91%
Accurate 3100
<<locked>>
81%
37449
60%
**16
99%
Accurate 4350
<<locked>>
81%
50024
80%
**33
100%
[Accurate MAGPRO]*
<<locked>>
81%
36114
58%
**59
92%
Alliant Reloder-16
<<locked>>
81%
47630
76%
**39
100%
Alliant Reloder-19
<<locked>>
81%
41611
67%
**25
98%
Alliant Reloder-22
<<locked>>
81%
37304
60%
**75
97%
Alliant Reloder-23
<<locked>>
81%
35810
57%
**29
100%
Alliant Reloder-25
<<locked>>
81%
31096
50%
**57
98%
Alliant Reloder-26
<<locked>>
81%
39610
64%
**74
100%
[Alliant Reloder-33]*
<<locked>>
92%
36100
58%
**05
90%
Bofors RP15
<<locked>>
81%
34534
55%
**16
96%
[Bofors RP30]*
<<locked>>
81%
28500
46%
**88
92%
Bofors RP5
<<locked>>
81%
37304
60%
**75
97%
Bofors RP7
<<locked>>
81%
52214
84%
**33
100%
[Hodgdon H1000]*
<<locked>>
82%
28282
45%
**36
90%
Hodgdon H4350
<<locked>>
81%
45194
72%
**34
99%
[Hodgdon H4831]*
<<locked>>
81%
34795
56%
**67
93%
Hodgdon H4831 SC
<<locked>>
81%
38870
62%
**56
95%
Hodgdon Hybrid 100V
<<locked>>
81%
45237
73%
**28
100%
[Hodgdon Retumbo]*
<<locked>>
81%
25005
40%
**80
91%
Hodgdon Superperformance
<<locked>>
81%
51227
82%
**15
100%
IMR 4350
<<locked>>
81%
47297
76%
**74
99%
IMR 4831
<<locked>>
81%
43163
69%
**11
100%
IMR 4955 Enduron
<<locked>>
81%
39015
63%
**29
95%
IMR 7828 SSC
<<locked>>
81%
37884
61%
**95
95%
[IMR 7977 Enduron]*
<<locked>>
91%
45411
73%
**08
90%
[IMR 8133 Enduron]*
<<locked>>
87%
27456
44%
**72
90%
Lovex S065
<<locked>>
81%
51111
82%
**10
100%
Lovex S070
<<locked>>
81%
49371
79%
**00
100%
Lovex S071
<<locked>>
81%
32227
52%
**01
98%
Norma 204
<<locked>>
81%
47776
77%
**20
99%
[Norma 217]*
<<locked>>
83%
24004
38%
**80
90%
Norma MRP
<<locked>>
81%
38972
62%
**38
99%
Norma URP
<<locked>>
81%
48602
78%
**16
100%
Ramshot Grand
<<locked>>
81%
39436
63%
**41
96%
Ramshot Hunter
<<locked>>
81%
47485
76%
**26
100%
Ramshot Magnum
<<locked>>
81%
34229
55%
**13
97%
ReloadSwiss RS 62
<<locked>>
81%
49792
80%
**52
100%
ReloadSwiss RS 70
<<locked>>
81%
47950
77%
**75
100%
ReloadSwiss RS 76
<<locked>>
81%
29283
47%
**47
95%
[ReloadSwiss RS 80]*
<<locked>>
86%
30792
49%
**77
90%
Rottweil R 904
<<locked>>
81%
42786
69%
**05
97%
Rottweil R 905
<<locked>>
81%
41017
66%
**11
98%
Rottweil R 907
<<locked>>
81%
52214
84%
**33
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
49966
80%
**61
100%
Shooters World Long Rifle
<<locked>>
81%
51111
82%
**10
100%
Somchem S361
<<locked>>
81%
43511
70%
**98
96%
Somchem S365
<<locked>>
81%
45600
73%
**77
100%
Somchem S385
<<locked>>
81%
41481
67%
**92
99%
Vihtavuori N150
<<locked>>
81%
48805
78%
**28
100%
Vihtavuori N165
<<locked>>
81%
34824
56%
**57
97%
[Vihtavuori N170]*
<<locked>>
94%
39697
64%
**65
90%
Vihtavuori N555
<<locked>>
81%
40292
65%
**02
100%
Vihtavuori N560
<<locked>>
81%
37188
60%
**88
95%
[Vihtavuori N565]*
<<locked>>
81%
31879
51%
**54
93%
[Vihtavuori N568]*
<<locked>>
85%
31647
51%
**83
90%
[Vihtavuori N570]*
<<locked>>
91%
37231
60%
**41
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49182
79%
**74
100%
Winchester StaBALL HD
<<locked>>
81%
31981
51%
**69
100%

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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