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Load data for .300 Lapua Mag. + .308 | 250gr | Barnes RNSP

Recommended Powder(s): ADI AR 2217, Hodgdon H1000, ReloadSwiss RS 80, Vihtavuori N565, Vihtavuori N568

.300 Lapua Mag. + .308 | 250gr | Barnes RNSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 250gr | Barnes RNSP
Manufacturer SKU:
30860
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.420" | 36.1mm
Caliber:
.300 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
0.519" | 13.2mm
Shank Seated Depth:
0.519" | 13.2mm
Case Capacity:
100.0 Grains of Water | 6.49 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B644_C363
Last updated:
2025-01-01

Load data for 88 loads in caliber .300 Lapua Mag. with .308 | 250gr | Barnes RNSP bullet and 44 powders such as ADI AR 2217, Hodgdon H1000, ReloadSwiss RS 80, Vihtavuori N565, Vihtavuori N568. 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 2209
<<locked>>
84%
54505
89%
**20
100%
ADI AR 2213
<<locked>>
86%
54433
89%
**66
100%
ADI AR 2217 👍
<<locked>>
95%
54549
90%
**69
100%
ADI AR 2218
<<locked>>
97%
49313
81%
**92
98%
ADI AR 2225
<<locked>>
97%
52504
86%
**79
100%
Accurate 3100
<<locked>>
86%
54476
89%
**67
100%
[Accurate 8700]*
<<locked>>
97%
39262
64%
**33
94%
Accurate MAGPRO
<<locked>>
87%
54621
90%
**75
99%
Alliant Reloder-19
<<locked>>
84%
54244
89%
**10
100%
Alliant Reloder-22
<<locked>>
86%
54302
89%
**46
100%
Alliant Reloder-23
<<locked>>
87%
54273
89%
**87
100%
Alliant Reloder-25
<<locked>>
91%
54172
89%
**56
100%
Alliant Reloder-26
<<locked>>
83%
54346
89%
**62
100%
Alliant Reloder-33
<<locked>>
97%
54766
90%
**44
99%
Alliant Reloder-50
<<locked>>
97%
46601
76%
**07
97%
Hodgdon H1000 👍
<<locked>>
95%
54549
90%
**69
100%
Hodgdon H4831
<<locked>>
89%
54520
90%
**13
100%
Hodgdon H4831 SC
<<locked>>
86%
54752
90%
**16
100%
Hodgdon Retumbo
<<locked>>
97%
52504
86%
**79
100%
IMR 4955 Enduron
<<locked>>
86%
54230
89%
**80
100%
IMR 7828 SSC
<<locked>>
85%
54317
89%
**66
100%
IMR 7977 Enduron
<<locked>>
92%
54317
89%
**67
96%
IMR 8133 Enduron
<<locked>>
97%
48240
79%
**10
100%
Lovex D100
<<locked>>
96%
53969
89%
**07
95%
Lovex S071
<<locked>>
91%
54476
89%
**67
100%
Norma 217
<<locked>>
97%
49168
81%
**26
100%
Norma MRP
<<locked>>
84%
54534
90%
**62
100%
[Ramshot LRT]*
<<locked>>
97%
49240
81%
**36
93%
Ramshot Magnum
<<locked>>
87%
54288
89%
**36
100%
ReloadSwiss RS 76
<<locked>>
91%
54302
89%
**31
100%
ReloadSwiss RS 80 👍
<<locked>>
94%
54752
90%
**28
100%
Rottweil R 904
<<locked>>
83%
54389
89%
**84
100%
Rottweil R 905
<<locked>>
84%
54520
89%
**10
100%
SNPE Vectan SP 13
<<locked>>
97%
41655
68%
**52
95%
Somchem S385
<<locked>>
84%
54752
90%
**84
100%
[Vihtavuori 24N41]*
<<locked>>
97%
50183
82%
**07
93%
Vihtavuori N165
<<locked>>
89%
54592
90%
**80
100%
Vihtavuori N170
<<locked>>
97%
53214
87%
**03
97%
Vihtavuori N555
<<locked>>
84%
54404
89%
**87
100%
Vihtavuori N560
<<locked>>
86%
54520
89%
**79
100%
Vihtavuori N565 👍
<<locked>>
90%
54288
89%
**62
100%
Vihtavuori N568 👍
<<locked>>
93%
54273
89%
**08
100%
Vihtavuori N570
<<locked>>
95%
54549
90%
**48
99%
Winchester StaBALL HD
<<locked>>
87%
54752
90%
**75
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
50096
82%
**57
100%
ADI AR 2213
<<locked>>
81%
45020
74%
**11
99%
ADI AR 2217
<<locked>>
81%
33663
55%
**92
97%
[ADI AR 2218]*
<<locked>>
84%
32184
53%
**08
90%
ADI AR 2225
<<locked>>
81%
30777
51%
**72
99%
Accurate 3100
<<locked>>
81%
45963
75%
**43
100%
[Accurate 8700]*
<<locked>>
91%
31894
52%
**59
90%
Accurate MAGPRO
<<locked>>
81%
44976
74%
**21
98%
Alliant Reloder-19
<<locked>>
81%
49995
82%
**48
100%
Alliant Reloder-22
<<locked>>
81%
45803
75%
**18
100%
Alliant Reloder-23
<<locked>>
81%
44686
73%
**56
100%
Alliant Reloder-25
<<locked>>
81%
38537
63%
**06
100%
Alliant Reloder-26
<<locked>>
81%
50459
83%
**13
100%
[Alliant Reloder-33]*
<<locked>>
81%
30966
51%
**75
91%
[Alliant Reloder-50]*
<<locked>>
86%
31270
51%
**88
90%
Hodgdon H1000
<<locked>>
81%
33663
55%
**92
97%
Hodgdon H4831
<<locked>>
81%
42134
69%
**13
98%
Hodgdon H4831 SC
<<locked>>
81%
46818
77%
**92
99%
Hodgdon Retumbo
<<locked>>
81%
30777
51%
**72
99%
IMR 4955 Enduron
<<locked>>
81%
46064
76%
**52
99%
IMR 7828 SSC
<<locked>>
81%
46731
77%
**48
99%
[IMR 7977 Enduron]*
<<locked>>
81%
39001
64%
**01
91%
[IMR 8133 Enduron]*
<<locked>>
81%
28282
46%
**00
94%
[Lovex D100]*
<<locked>>
87%
40495
66%
**77
90%
Lovex S071
<<locked>>
81%
39624
65%
**34
100%
Norma 217
<<locked>>
81%
28485
47%
**19
97%
Norma MRP
<<locked>>
81%
48907
80%
**84
100%
[Ramshot LRT]*
<<locked>>
92%
42815
70%
**05
90%
Ramshot Magnum
<<locked>>
81%
43700
72%
**75
100%
ReloadSwiss RS 76
<<locked>>
81%
36912
61%
**39
100%
ReloadSwiss RS 80
<<locked>>
81%
33808
55%
**44
95%
Rottweil R 904
<<locked>>
81%
50749
83%
**31
100%
Rottweil R 905
<<locked>>
81%
49516
81%
**44
100%
[SNPE Vectan SP 13]*
<<locked>>
89%
31792
52%
**46
90%
Somchem S385
<<locked>>
81%
49806
82%
**18
100%
[Vihtavuori 24N41]*
<<locked>>
92%
42757
70%
**72
90%
Vihtavuori N165
<<locked>>
81%
42540
70%
**93
100%
[Vihtavuori N170]*
<<locked>>
82%
33112
54%
**23
90%
Vihtavuori N555
<<locked>>
81%
49458
81%
**21
100%
Vihtavuori N560
<<locked>>
81%
45977
75%
**44
99%
Vihtavuori N565
<<locked>>
81%
40074
66%
**26
98%
Vihtavuori N568
<<locked>>
81%
35099
58%
**60
95%
[Vihtavuori N570]*
<<locked>>
81%
33402
55%
**41
92%
Winchester StaBALL HD
<<locked>>
81%
43105
71%
**15
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.

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