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Load data for .50 BMG (12,7 × 99 mm NATO) + .509 | 570gr | Barnes XLC

Recommended Powder(s): ADI AR 2225, Hodgdon Retumbo, IMR 8133 Enduron, Norma 217

.50 BMG (12,7 × 99 mm NATO) + .509 | 570gr | Barnes XLC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.509 | 570gr | Barnes XLC
Manufacturer SKU:
50957
Bullet Weight:
570gr | 36.9g
Bullet Diameter:
0.509" | 12.93mm
Bullet Length:
1.700" | 43.2mm
Caliber:
.50 BMG (12,7 × 99 mm NATO) load data
Case Length (l3):
3.900" | 99.1mm
Cartridge Length (C.O.L.):
5.368" | 136.4mm
Seated Depth:
0.232" | 5.9mm
Shank Seated Depth:
0.232" | 5.9mm
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_B850_C832
Last updated:
2025-01-01

Load data for 44 loads in caliber .50 BMG (12,7 × 99 mm NATO) with .509 | 570gr | Barnes XLC bullet and 22 powders such as ADI AR 2225, Hodgdon Retumbo, IMR 8133 Enduron, Norma 217. 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 2217
<<locked>>
89%
48022
89%
**71
99%
ADI AR 2218
<<locked>>
93%
47993
89%
**59
96%
ADI AR 2225 👍
<<locked>>
91%
48037
90%
**17
100%
[Accurate 8700]*
<<locked>>
97%
44121
82%
**95
94%
Alliant Reloder-25
<<locked>>
85%
48022
89%
**77
100%
Alliant Reloder-33
<<locked>>
90%
47979
89%
**23
96%
Alliant Reloder-50
<<locked>>
94%
48240
90%
**17
95%
Hodgdon H1000
<<locked>>
89%
48022
89%
**71
99%
Hodgdon Retumbo 👍
<<locked>>
91%
48037
90%
**17
100%
Hodgdon TrailBoss
<<locked>>
97%
36666
68%
**32
100%
[IMR 7977 Enduron]*
<<locked>>
85%
48022
89%
**62
92%
IMR 8133 Enduron 👍
<<locked>>
94%
48080
90%
**00
99%
Lovex S071
<<locked>>
84%
48066
90%
**75
100%
Norma 217 👍
<<locked>>
93%
47964
89%
**10
100%
ReloadSwiss RS 14
<<locked>>
97%
37739
70%
**75
100%
ReloadSwiss RS 76
<<locked>>
85%
48153
90%
**43
100%
ReloadSwiss RS 80
<<locked>>
88%
48182
90%
**10
98%
[SNPE Vectan SP 13]*
<<locked>>
97%
46456
87%
**25
94%
[Vihtavuori N170]*
<<locked>>
91%
48269
90%
**18
94%
Vihtavuori N565
<<locked>>
83%
48167
90%
**61
98%
Vihtavuori N568
<<locked>>
87%
48211
90%
**10
97%
Vihtavuori N570
<<locked>>
88%
48124
90%
**30
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2217
<<locked>>
81%
37202
69%
**44
96%
[ADI AR 2218]*
<<locked>>
85%
36796
69%
**90
90%
ADI AR 2225
<<locked>>
81%
34664
65%
**25
98%
[Accurate 8700]*
<<locked>>
91%
36419
68%
**28
90%
Alliant Reloder-25
<<locked>>
81%
42511
79%
**69
100%
[Alliant Reloder-33]*
<<locked>>
81%
35114
65%
**31
90%
[Alliant Reloder-50]*
<<locked>>
85%
36071
67%
**54
90%
Hodgdon H1000
<<locked>>
81%
37202
69%
**44
96%
Hodgdon Retumbo
<<locked>>
81%
34664
65%
**25
98%
Hodgdon TrailBoss
<<locked>>
87%
31937
60%
**40
100%
[IMR 7977 Enduron]*
<<locked>>
81%
41901
78%
**41
90%
[IMR 8133 Enduron]*
<<locked>>
81%
32314
60%
**49
94%
Lovex S071
<<locked>>
81%
44063
82%
**07
100%
Norma 217
<<locked>>
81%
32822
61%
**88
97%
ReloadSwiss RS 14
<<locked>>
83%
31125
58%
**44
100%
ReloadSwiss RS 76
<<locked>>
81%
41350
77%
**12
100%
ReloadSwiss RS 80
<<locked>>
81%
38305
71%
**07
95%
[SNPE Vectan SP 13]*
<<locked>>
89%
36782
69%
**21
90%
[Vihtavuori N170]*
<<locked>>
82%
37594
70%
**95
90%
Vihtavuori N565
<<locked>>
81%
44773
83%
**98
98%
Vihtavuori N568
<<locked>>
81%
39436
73%
**26
95%
[Vihtavuori N570]*
<<locked>>
81%
37797
70%
**03
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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