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Load data for 7.21 Firebird (Lazzeroni) + .284 | 120gr | CutEdge ER Raptor

Recommended Powder(s):

7.21 Firebird (Lazzeroni) + .284 | 120gr | CutEdge ER Raptor

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 120gr | CutEdge ER Raptor
Manufacturer SKU:
ER J120 CU RAPTOR
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.369" | 34.8mm
Caliber:
7.21 Firebird (Lazzeroni) load data
Case Length (l3):
2.800" | 71.1mm
Cartridge Length (C.O.L.):
3.497" | 88.8mm
Seated Depth:
0.672" | 17.1mm
Shank Seated Depth:
0.458" | 11.6mm
Case Capacity:
121.0 Grains of Water | 7.86 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
66717 psi | 4600 bar
LID:
LID_B8453_C1103
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:8

Load data for 106 loads in caliber 7.21 Firebird (Lazzeroni) with .284 | 120gr | CutEdge ER Raptor bullet and 53 powder(s). 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>>
88%
59596
89%
**02
100%
ADI AR 2213 👍
<<locked>>
90%
59364
89%
**35
99%
ADI AR 2217
<<locked>>
97%
55448
83%
**50
99%
[ADI AR 2218]*
<<locked>>
97%
48138
72%
**61
93%
ADI AR 2225
<<locked>>
97%
50357
75%
**84
100%
Accurate 3100
<<locked>>
91%
60031
90%
**33
100%
Accurate MAGPRO
<<locked>>
90%
59944
90%
**35
98%
Alliant Reloder-16
<<locked>>
84%
59553
89%
**02
100%
Alliant Reloder-19
<<locked>>
88%
59538
89%
**96
100%
Alliant Reloder-22 👍
<<locked>>
90%
59524
89%
**09
100%
Alliant Reloder-23
<<locked>>
92%
59915
90%
**56
100%
Alliant Reloder-25 👍
<<locked>>
95%
59843
90%
**15
100%
Alliant Reloder-26
<<locked>>
87%
59944
90%
**28
100%
Alliant Reloder-33
<<locked>>
97%
53505
80%
**33
95%
Hodgdon H1000
<<locked>>
97%
55448
83%
**50
99%
Hodgdon H4350
<<locked>>
86%
59915
90%
**53
100%
Hodgdon H4831
<<locked>>
93%
59799
90%
**76
99%
Hodgdon H4831 SC
<<locked>>
89%
59495
89%
**63
99%
Hodgdon Hybrid 100V
<<locked>>
86%
59727
90%
**10
100%
Hodgdon Retumbo
<<locked>>
97%
50357
75%
**84
100%
Hodgdon TrailBoss
<<locked>>
96%
35607
53%
**85
100%
IMR 4350
<<locked>>
85%
59625
89%
**40
100%
IMR 4831
<<locked>>
87%
59582
89%
**37
100%
IMR 4955 Enduron
<<locked>>
91%
59509
89%
**46
99%
IMR 7828 SSC
<<locked>>
89%
59698
89%
**38
99%
[IMR 7977 Enduron]*
<<locked>>
95%
59727
90%
**87
93%
IMR 8133 Enduron
<<locked>>
97%
45672
68%
**69
97%
Lovex S070
<<locked>>
84%
59698
89%
**50
100%
Lovex S071
<<locked>>
96%
59582
89%
**14
100%
Norma 204
<<locked>>
84%
59625
89%
**79
100%
Norma 217
<<locked>>
97%
46615
70%
**02
99%
Norma MRP
<<locked>>
88%
59335
89%
**19
100%
Norma URP
<<locked>>
84%
59828
90%
**69
100%
Ramshot Hunter
<<locked>>
84%
60017
90%
**86
100%
Ramshot Magnum
<<locked>>
90%
59408
89%
**73
100%
ReloadSwiss RS 14
<<locked>>
97%
36709
55%
**34
100%
ReloadSwiss RS 76 👍
<<locked>>
95%
59567
89%
**74
100%
ReloadSwiss RS 80
<<locked>>
97%
59248
89%
**42
99%
Rottweil R 904
<<locked>>
87%
59814
90%
**60
99%
Rottweil R 905
<<locked>>
88%
59988
90%
**99
100%
SNPE Vectan Tubal 7000
<<locked>>
83%
59901
90%
**84
100%
Somchem S361
<<locked>>
87%
60002
90%
**14
99%
Somchem S365
<<locked>>
85%
59553
89%
**37
100%
Somchem S385
<<locked>>
88%
59408
89%
**37
100%
Vihtavuori N150
<<locked>>
84%
59828
90%
**61
100%
Vihtavuori N165
<<locked>>
93%
59872
90%
**30
100%
[Vihtavuori N170]*
<<locked>>
97%
51314
77%
**92
93%
Vihtavuori N555
<<locked>>
89%
59973
90%
**63
100%
Vihtavuori N560 👍
<<locked>>
90%
59901
90%
**55
99%
Vihtavuori N565
<<locked>>
94%
59553
89%
**02
99%
Vihtavuori N568
<<locked>>
97%
59538
89%
**48
98%
Vihtavuori N570
<<locked>>
97%
57421
86%
**38
96%
Winchester StaBALL HD
<<locked>>
91%
59799
90%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
47137
71%
**63
98%
ADI AR 2213
<<locked>>
81%
42351
63%
**87
95%
[ADI AR 2217]*
<<locked>>
82%
31937
48%
**76
90%
[ADI AR 2218]*
<<locked>>
93%
42308
63%
**04
90%
[ADI AR 2225]*
<<locked>>
81%
28398
43%
**84
91%
Accurate 3100
<<locked>>
81%
42583
64%
**02
99%
[Accurate MAGPRO]*
<<locked>>
81%
42366
63%
**64
93%
Alliant Reloder-16
<<locked>>
81%
54230
81%
**14
100%
Alliant Reloder-19
<<locked>>
81%
47036
71%
**59
98%
Alliant Reloder-22
<<locked>>
81%
42917
64%
**81
97%
Alliant Reloder-23
<<locked>>
81%
41611
62%
**31
100%
Alliant Reloder-25
<<locked>>
81%
35752
54%
**27
98%
Alliant Reloder-26
<<locked>>
81%
47630
71%
**15
100%
[Alliant Reloder-33]*
<<locked>>
90%
40553
61%
**54
90%
[Hodgdon H1000]*
<<locked>>
82%
31937
48%
**76
90%
Hodgdon H4350
<<locked>>
81%
50633
76%
**89
99%
[Hodgdon H4831]*
<<locked>>
81%
39537
59%
**53
93%
Hodgdon H4831 SC
<<locked>>
81%
44237
66%
**74
95%
Hodgdon Hybrid 100V
<<locked>>
81%
50923
76%
**69
100%
[Hodgdon Retumbo]*
<<locked>>
81%
28398
43%
**84
91%
Hodgdon TrailBoss
<<locked>>
81%
28514
43%
**08
100%
IMR 4350
<<locked>>
81%
52939
79%
**28
100%
IMR 4831
<<locked>>
81%
48370
73%
**50
100%
IMR 4955 Enduron
<<locked>>
81%
43526
65%
**31
95%
IMR 7828 SSC
<<locked>>
81%
43830
66%
**23
96%
[IMR 7977 Enduron]*
<<locked>>
89%
48588
73%
**87
90%
[IMR 8133 Enduron]*
<<locked>>
87%
31894
48%
**05
90%
Lovex S070
<<locked>>
81%
55114
83%
**61
100%
Lovex S071
<<locked>>
81%
36347
54%
**58
97%
Norma 204
<<locked>>
81%
54317
81%
**84
99%
[Norma 217]*
<<locked>>
83%
28137
42%
**97
90%
Norma MRP
<<locked>>
81%
45890
69%
**79
99%
Norma URP
<<locked>>
81%
55158
83%
**87
100%
Ramshot Hunter
<<locked>>
81%
54230
81%
**87
100%
Ramshot Magnum
<<locked>>
81%
40857
61%
**18
97%
ReloadSwiss RS 14
<<locked>>
81%
29124
44%
**51
100%
ReloadSwiss RS 76
<<locked>>
81%
34418
52%
**13
95%
[ReloadSwiss RS 80]*
<<locked>>
84%
35273
53%
**07
90%
Rottweil R 904
<<locked>>
81%
48211
72%
**46
97%
Rottweil R 905
<<locked>>
81%
46485
70%
**50
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
55753
84%
**25
100%
Somchem S361
<<locked>>
81%
49255
74%
**30
97%
Somchem S365
<<locked>>
81%
52489
79%
**35
100%
Somchem S385
<<locked>>
81%
46905
70%
**10
99%
Vihtavuori N150
<<locked>>
81%
53954
81%
**76
100%
Vihtavuori N165
<<locked>>
81%
39827
60%
**36
96%
[Vihtavuori N170]*
<<locked>>
92%
43511
65%
**22
90%
Vihtavuori N555
<<locked>>
81%
46079
69%
**20
100%
Vihtavuori N560
<<locked>>
81%
43221
65%
**10
95%
[Vihtavuori N565]*
<<locked>>
81%
37347
56%
**23
93%
[Vihtavuori N568]*
<<locked>>
84%
36376
55%
**36
90%
[Vihtavuori N570]*
<<locked>>
89%
41597
62%
**94
90%
Winchester StaBALL HD
<<locked>>
81%
39479
59%
**77
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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