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Load data for .300 Norma Mag + .308 | 220gr | Nosler Partition SP Semi

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Vihtavuori N565

.300 Norma Mag + .308 | 220gr | Nosler Partition SP Semi

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 220gr | Nosler Partition SP Semi
Manufacturer SKU:
16332
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.370" | 34.8mm
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.235" | 6.0mm
Shank Seated Depth:
0.235" | 6.0mm
Case Capacity:
104.0 Grains of Water | 6.75 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B4127_C365
Last updated:
2025-01-01

Load data for 98 loads in caliber .300 Norma Mag with .308 | 220gr | Nosler Partition SP Semi bullet and 49 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Vihtavuori N565. 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>>
85%
57377
90%
**59
100%
ADI AR 2213
<<locked>>
88%
57421
90%
**99
100%
ADI AR 2217 👍
<<locked>>
97%
56768
89%
**92
100%
ADI AR 2218
<<locked>>
97%
49240
77%
**66
97%
ADI AR 2225 👍
<<locked>>
97%
52098
82%
**69
100%
Accurate 3100
<<locked>>
88%
57406
90%
**94
100%
[Accurate 8700]*
<<locked>>
97%
39117
61%
**84
93%
Accurate MAGPRO
<<locked>>
88%
57348
90%
**08
99%
Alliant Reloder-19
<<locked>>
85%
56869
89%
**43
100%
Alliant Reloder-22
<<locked>>
88%
57348
90%
**82
100%
Alliant Reloder-23
<<locked>>
89%
56913
89%
**13
100%
Alliant Reloder-25
<<locked>>
93%
57101
89%
**82
100%
Alliant Reloder-26
<<locked>>
84%
56724
89%
**89
100%
Alliant Reloder-33
<<locked>>
97%
54621
86%
**22
98%
Alliant Reloder-50
<<locked>>
97%
46572
73%
**77
96%
Hodgdon H1000 👍
<<locked>>
97%
56768
89%
**92
100%
Hodgdon H4350
<<locked>>
84%
57305
90%
**00
100%
Hodgdon H4831
<<locked>>
91%
57159
90%
**43
100%
Hodgdon H4831 SC
<<locked>>
87%
57363
90%
**49
100%
Hodgdon Hybrid 100V
<<locked>>
83%
57072
89%
**54
100%
Hodgdon Retumbo 👍
<<locked>>
97%
52098
82%
**69
100%
Hodgdon TrailBoss
<<locked>>
97%
36289
57%
**86
100%
IMR 4831
<<locked>>
85%
57319
90%
**90
100%
IMR 4955 Enduron
<<locked>>
88%
57000
89%
**13
100%
IMR 7828 SSC
<<locked>>
87%
56927
89%
**99
100%
IMR 7977 Enduron
<<locked>>
93%
57203
90%
**94
96%
IMR 8133 Enduron
<<locked>>
97%
47674
75%
**80
99%
[Lovex D100]*
<<locked>>
97%
56333
88%
**23
94%
Lovex S071
<<locked>>
93%
57406
90%
**94
100%
Norma 217
<<locked>>
97%
48776
76%
**03
100%
Norma MRP
<<locked>>
86%
57232
90%
**95
100%
Ramshot Magnum
<<locked>>
88%
57392
90%
**62
100%
ReloadSwiss RS 14
<<locked>>
96%
37086
58%
**22
100%
ReloadSwiss RS 76
<<locked>>
93%
56695
89%
**61
100%
ReloadSwiss RS 80
<<locked>>
95%
57029
89%
**44
100%
Rottweil R 904
<<locked>>
85%
57319
90%
**23
100%
Rottweil R 905
<<locked>>
86%
57290
90%
**49
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
40959
64%
**10
93%
Somchem S361
<<locked>>
84%
57435
90%
**94
100%
Somchem S385
<<locked>>
85%
56840
89%
**10
100%
[Vihtavuori 24N41]*
<<locked>>
97%
50067
78%
**80
92%
Vihtavuori N165
<<locked>>
91%
57188
90%
**07
100%
Vihtavuori N170
<<locked>>
97%
52678
83%
**80
96%
Vihtavuori N555
<<locked>>
86%
56971
89%
**17
100%
Vihtavuori N560
<<locked>>
88%
57421
90%
**12
100%
Vihtavuori N565 👍
<<locked>>
92%
57363
90%
**99
100%
Vihtavuori N568
<<locked>>
95%
57130
90%
**41
99%
Vihtavuori N570
<<locked>>
96%
56768
89%
**64
98%
Winchester StaBALL HD
<<locked>>
89%
56956
89%
**02
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
49617
78%
**35
100%
ADI AR 2213
<<locked>>
81%
44672
70%
**89
99%
ADI AR 2217
<<locked>>
81%
33359
52%
**39
95%
[ADI AR 2218]*
<<locked>>
87%
34766
54%
**31
90%
ADI AR 2225
<<locked>>
81%
30443
48%
**10
97%
Accurate 3100
<<locked>>
81%
45368
71%
**10
100%
[Accurate 8700]*
<<locked>>
93%
34606
54%
**82
90%
Accurate MAGPRO
<<locked>>
81%
44498
70%
**89
97%
Alliant Reloder-19
<<locked>>
81%
49429
77%
**35
100%
Alliant Reloder-22
<<locked>>
81%
45455
71%
**89
99%
Alliant Reloder-23
<<locked>>
81%
44092
69%
**30
100%
Alliant Reloder-25
<<locked>>
81%
38087
60%
**74
100%
Alliant Reloder-26
<<locked>>
81%
49995
78%
**97
100%
[Alliant Reloder-33]*
<<locked>>
83%
32663
51%
**79
90%
[Alliant Reloder-50]*
<<locked>>
88%
34069
53%
**05
90%
Hodgdon H1000
<<locked>>
81%
33359
52%
**39
95%
Hodgdon H4350
<<locked>>
81%
52562
82%
**35
100%
Hodgdon H4831
<<locked>>
81%
41713
65%
**84
97%
Hodgdon H4831 SC
<<locked>>
81%
46499
73%
**69
98%
Hodgdon Hybrid 100V
<<locked>>
81%
53461
84%
**08
100%
Hodgdon Retumbo
<<locked>>
81%
30443
48%
**10
97%
Hodgdon TrailBoss
<<locked>>
92%
33852
53%
**40
100%
IMR 4831
<<locked>>
81%
50836
80%
**98
100%
IMR 4955 Enduron
<<locked>>
81%
45643
72%
**26
98%
IMR 7828 SSC
<<locked>>
81%
46238
72%
**25
99%
[IMR 7977 Enduron]*
<<locked>>
82%
40335
63%
**88
90%
[IMR 8133 Enduron]*
<<locked>>
81%
27905
44%
**31
92%
[Lovex D100]*
<<locked>>
90%
44092
69%
**10
90%
Lovex S071
<<locked>>
81%
39247
62%
**05
100%
Norma 217
<<locked>>
81%
28065
44%
**57
95%
Norma MRP
<<locked>>
81%
48312
76%
**54
100%
Ramshot Magnum
<<locked>>
81%
43120
68%
**46
100%
ReloadSwiss RS 14
<<locked>>
89%
33243
52%
**50
100%
ReloadSwiss RS 76
<<locked>>
81%
36463
57%
**00
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
33373
52%
**88
94%
Rottweil R 904
<<locked>>
81%
50256
79%
**15
99%
Rottweil R 905
<<locked>>
81%
49081
77%
**25
100%
[SNPE Vectan SP 13]*
<<locked>>
92%
34650
54%
**65
90%
Somchem S361
<<locked>>
81%
51198
80%
**05
99%
Somchem S385
<<locked>>
81%
49472
78%
**92
100%
[Vihtavuori 24N41]*
<<locked>>
94%
45876
72%
**05
90%
Vihtavuori N165
<<locked>>
81%
42192
66%
**57
99%
[Vihtavuori N170]*
<<locked>>
84%
35650
56%
**39
90%
Vihtavuori N555
<<locked>>
81%
48791
76%
**98
100%
Vihtavuori N560
<<locked>>
81%
45527
71%
**15
98%
Vihtavuori N565
<<locked>>
81%
39856
62%
**87
97%
[Vihtavuori N568]*
<<locked>>
81%
34722
54%
**11
94%
[Vihtavuori N570]*
<<locked>>
81%
33504
52%
**02
90%
Winchester StaBALL HD
<<locked>>
81%
42554
67%
**89
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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