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Load data for .50 BMG (12,7 × 99 mm NATO) + .510 | 450gr | Woodleigh RN SN

Recommended Powder(s): ADI AR 2225, Alliant Reloder-25, Hodgdon Retumbo, Norma 217, ReloadSwiss RS 76

.50 BMG (12,7 × 99 mm NATO) + .510 | 450gr | Woodleigh RN SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.510 | 450gr | Woodleigh RN SN
Manufacturer SKU:
06A
Bullet Weight:
450gr | 29.2g
Bullet Diameter:
0.510" | 12.95mm
Bullet Length:
<<locked>>
Caliber:
.50 BMG (12,7 × 99 mm NATO) load data
Case Length (l3):
3.900" | 99.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
300.0 Grains of Water | 19.48 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
53664 psi | 3700 bar
LID:
LID_B12136_C832
Last updated:
2026-03-28

Load data for 68 loads in caliber .50 BMG (12,7 × 99 mm NATO) with .510 | 450gr | Woodleigh RN SN bullet and 34 powders such as ADI AR 2225, Alliant Reloder-25, Hodgdon Retumbo, Norma 217, ReloadSwiss RS 76. 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 2213
<<locked>>
84%
48138
90%
**59
97%
ADI AR 2217
<<locked>>
93%
48269
90%
**63
97%
[ADI AR 2218]*
<<locked>>
97%
48167
90%
**15
92%
ADI AR 2225 👍
<<locked>>
96%
48138
90%
**89
100%
Accurate 3100
<<locked>>
84%
48138
90%
**67
100%
Accurate MAGPRO
<<locked>>
84%
48182
90%
**49
95%
Alliant Reloder-22
<<locked>>
84%
48095
90%
**49
98%
Alliant Reloder-23
<<locked>>
85%
48225
90%
**17
100%
Alliant Reloder-25 👍
<<locked>>
89%
48109
90%
**76
100%
[Alliant Reloder-33]*
<<locked>>
94%
48269
90%
**86
93%
[Baschieri & Pellagri 109]*
<<locked>>
85%
48167
90%
**97
94%
Bofors RP15
<<locked>>
86%
48153
90%
**53
98%
Bofors RP30
<<locked>>
91%
48153
90%
**56
97%
Bofors RP5
<<locked>>
84%
48095
90%
**49
98%
Hodgdon H1000
<<locked>>
93%
48269
90%
**63
97%
Hodgdon H4831
<<locked>>
86%
48109
90%
**10
96%
Hodgdon H4831 SC
<<locked>>
83%
48225
90%
**00
96%
Hodgdon Retumbo 👍
<<locked>>
96%
48138
90%
**89
100%
Hodgdon TrailBoss
<<locked>>
97%
36158
67%
**75
100%
IMR 4955 Enduron
<<locked>>
84%
48153
90%
**77
96%
IMR 7828 SSC
<<locked>>
83%
48283
90%
**72
97%
IMR 8133 Enduron
<<locked>>
97%
46543
87%
**43
97%
Lovex S071
<<locked>>
89%
48283
90%
**74
100%
Norma 217 👍
<<locked>>
97%
47210
88%
**79
99%
Ramshot Magnum
<<locked>>
85%
48080
90%
**30
99%
ReloadSwiss RS 14
<<locked>>
97%
36985
69%
**18
100%
ReloadSwiss RS 76 👍
<<locked>>
89%
48283
90%
**25
99%
ReloadSwiss RS 80
<<locked>>
92%
48022
89%
**69
95%
Vihtavuori N165
<<locked>>
86%
48182
90%
**84
99%
Vihtavuori N560
<<locked>>
84%
48298
90%
**63
96%
Vihtavuori N565
<<locked>>
88%
48240
90%
**40
96%
Vihtavuori N568
<<locked>>
91%
48037
90%
**76
95%
[Vihtavuori N570]*
<<locked>>
92%
48240
90%
**99
92%
Winchester StaBALL HD
<<locked>>
85%
48008
89%
**95
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
43105
80%
**48
95%
[ADI AR 2217]*
<<locked>>
82%
32909
61%
**79
90%
[ADI AR 2218]*
<<locked>>
94%
44164
82%
**20
90%
[ADI AR 2225]*
<<locked>>
81%
29283
55%
**00
91%
Accurate 3100
<<locked>>
81%
43816
82%
**85
99%
[Accurate MAGPRO]*
<<locked>>
81%
43134
80%
**38
93%
Alliant Reloder-22
<<locked>>
81%
43859
82%
**61
97%
Alliant Reloder-23
<<locked>>
81%
42569
79%
**08
100%
Alliant Reloder-25
<<locked>>
81%
36680
68%
**13
98%
[Alliant Reloder-33]*
<<locked>>
91%
41785
78%
**48
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
41901
78%
**62
91%
Bofors RP15
<<locked>>
81%
40698
76%
**76
95%
[Bofors RP30]*
<<locked>>
81%
34200
64%
**28
91%
Bofors RP5
<<locked>>
81%
43859
82%
**61
97%
[Hodgdon H1000]*
<<locked>>
82%
32909
61%
**79
90%
[Hodgdon H4831]*
<<locked>>
81%
40379
75%
**40
93%
Hodgdon H4831 SC
<<locked>>
81%
45005
84%
**38
95%
[Hodgdon Retumbo]*
<<locked>>
81%
29283
55%
**00
91%
Hodgdon TrailBoss
<<locked>>
81%
28718
54%
**01
100%
IMR 4955 Enduron
<<locked>>
81%
44251
82%
**02
95%
IMR 7828 SSC
<<locked>>
81%
44527
83%
**81
96%
[IMR 8133 Enduron]*
<<locked>>
87%
32764
61%
**08
90%
Lovex S071
<<locked>>
81%
37652
70%
**41
97%
[Norma 217]*
<<locked>>
83%
28819
54%
**97
90%
Ramshot Magnum
<<locked>>
81%
41669
78%
**02
97%
ReloadSwiss RS 14
<<locked>>
81%
29486
55%
**47
100%
ReloadSwiss RS 76
<<locked>>
81%
35085
65%
**03
95%
[ReloadSwiss RS 80]*
<<locked>>
84%
36143
67%
**97
90%
Vihtavuori N165
<<locked>>
81%
40596
76%
**20
97%
Vihtavuori N560
<<locked>>
81%
44005
82%
**74
95%
[Vihtavuori N565]*
<<locked>>
81%
38363
71%
**13
93%
[Vihtavuori N568]*
<<locked>>
84%
37420
70%
**30
90%
[Vihtavuori N570]*
<<locked>>
89%
42902
80%
**87
90%
Winchester StaBALL HD
<<locked>>
81%
40509
75%
**38
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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