top of page

Load data for .50 BMG (12,7 × 99 mm NATO) + .510 | 570gr | A-Square LionLoad

Recommended Powder(s): IMR 8133 Enduron, Norma 217

.50 BMG (12,7 × 99 mm NATO) + .510 | 570gr | A-Square LionLoad

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.510 | 570gr | A-Square LionLoad
Bullet Weight:
570gr | 36.9g
Bullet Diameter:
0.510" | 12.95mm
Bullet Length:
1.000" | 25.4mm
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:
-0.468" | -11.9mm
Shank Seated Depth:
-0.468" | -11.9mm
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_B422_C832
Last updated:
2025-01-01

Load data for 44 loads in caliber .50 BMG (12,7 × 99 mm NATO) with .510 | 570gr | A-Square LionLoad bullet and 22 powders such as 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. -308 fps

  • .

    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>>
87%
48167
90%
**80
99%
ADI AR 2218
<<locked>>
91%
48138
90%
**76
96%
ADI AR 2225
<<locked>>
89%
48269
90%
**17
100%
Accurate 8700
<<locked>>
97%
47688
89%
**67
95%
Alliant Reloder-33
<<locked>>
88%
48196
90%
**26
96%
Alliant Reloder-50
<<locked>>
92%
48225
90%
**13
96%
Hodgdon H1000
<<locked>>
87%
48167
90%
**80
99%
Hodgdon Retumbo
<<locked>>
89%
48269
90%
**17
100%
Hodgdon TrailBoss
<<locked>>
97%
36637
68%
**75
100%
[IMR 7977 Enduron]*
<<locked>>
84%
48066
90%
**82
93%
IMR 8133 Enduron 👍
<<locked>>
92%
48051
90%
**94
99%
[Lovex D100]*
<<locked>>
88%
48182
90%
**21
92%
Lovex S071
<<locked>>
83%
48240
90%
**95
100%
Norma 217 👍
<<locked>>
91%
48182
90%
**07
100%
ReloadSwiss RS 14
<<locked>>
97%
37681
70%
**14
100%
ReloadSwiss RS 76
<<locked>>
83%
48124
90%
**36
100%
ReloadSwiss RS 80
<<locked>>
86%
48283
90%
**13
98%
SNPE Vectan SP 13
<<locked>>
96%
48051
90%
**57
95%
[Vihtavuori 20N29]*
<<locked>>
97%
47892
89%
**61
93%
Vihtavuori N170
<<locked>>
89%
48153
90%
**21
95%
Vihtavuori N568
<<locked>>
85%
48269
90%
**03
98%
Vihtavuori N570
<<locked>>
86%
48196
90%
**33
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2217
<<locked>>
81%
38856
72%
**87
97%
[ADI AR 2218]*
<<locked>>
83%
35882
67%
**77
90%
ADI AR 2225
<<locked>>
81%
35984
67%
**61
99%
[Accurate 8700]*
<<locked>>
89%
35549
66%
**11
90%
[Alliant Reloder-33]*
<<locked>>
81%
36840
69%
**74
91%
[Alliant Reloder-50]*
<<locked>>
84%
35998
67%
**44
90%
Hodgdon H1000
<<locked>>
81%
38856
72%
**87
97%
Hodgdon Retumbo
<<locked>>
81%
35984
67%
**61
99%
Hodgdon TrailBoss
<<locked>>
83%
30240
56%
**44
100%
[IMR 7977 Enduron]*
<<locked>>
81%
43584
81%
**03
91%
[IMR 8133 Enduron]*
<<locked>>
81%
33504
62%
**75
94%
[Lovex D100]*
<<locked>>
86%
44570
83%
**49
90%
Lovex S071
<<locked>>
81%
45049
84%
**33
100%
Norma 217
<<locked>>
81%
34156
64%
**11
97%
ReloadSwiss RS 14
<<locked>>
81%
30037
56%
**57
100%
ReloadSwiss RS 76
<<locked>>
81%
44121
82%
**67
100%
ReloadSwiss RS 80
<<locked>>
81%
40567
76%
**56
96%
[SNPE Vectan SP 13]*
<<locked>>
87%
36085
67%
**05
90%
[Vihtavuori 20N29]*
<<locked>>
93%
41263
77%
**33
90%
[Vihtavuori N170]*
<<locked>>
81%
37014
69%
**85
90%
Vihtavuori N568
<<locked>>
81%
41495
77%
**62
96%
[Vihtavuori N570]*
<<locked>>
81%
39914
74%
**56
92%

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.

bottom of page