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Load data for .450 Bushmaster + .452 | 300gr | Lehigh Defense Xtreme Penetrator

Recommended Powder(s): none

.450 Bushmaster + .452 | 300gr | Lehigh Defense Xtreme Penetrator

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.452 | 300gr | Lehigh Defense Xtreme Penetrator
Manufacturer SKU:
Penetrator 07452300SP
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.452" | 11.48mm
Bullet Length:
0.940" | 23.9mm
Caliber:
.450 Bushmaster load data
Case Length (l3):
1.700" | 43.2mm
Cartridge Length (C.O.L.):
2.226" | 56.5mm
Seated Depth:
0.414" | 10.5mm
Shank Seated Depth:
0.354" | 9.0mm
Case Capacity:
60.0 Grains of Water | 3.90 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
39160 psi | 2700 bar
LID:
LID_B11024_C759
Last updated:
2025-11-05
Recommended Twist Rate:
1:34 - 1:28

Load data for 22 loads in caliber .450 Bushmaster with .452 | 300gr | Lehigh Defense Xtreme Penetrator bullet and 11 powders such as none. 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 2205
<<locked>>
84%
35157
90%
**44
98%
[ADI AR 2207]*
<<locked>>
97%
29414
75%
**93
94%
Accurate No. 11 FS
<<locked>>
83%
35186
90%
**06
96%
[IMR 4227]*
<<locked>>
92%
34664
89%
**93
94%
[Lovex D060]*
<<locked>>
84%
34824
89%
**90
92%
Lovex S053
<<locked>>
94%
34243
87%
**13
98%
[ReloadSwiss RS 36]*
<<locked>>
94%
34200
87%
**29
94%
SNPE Vectan BA6 1/2
<<locked>>
96%
34200
87%
**41
100%
[Shooters World Buffalo Rifle]*
<<locked>>
84%
34824
89%
**90
92%
Vihtavuori N110
<<locked>>
88%
35143
90%
**06
100%
Vihtavuori N120
<<locked>>
97%
28123
72%
**34
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
31879
81%
**88
97%
[ADI AR 2207]*
<<locked>>
88%
22829
58%
**32
90%
Accurate No. 11 FS
<<locked>>
81%
32793
84%
**67
96%
[IMR 4227]*
<<locked>>
82%
26063
67%
**22
90%
[Lovex D060]*
<<locked>>
81%
32343
83%
**44
91%
[Lovex S053]*
<<locked>>
81%
23757
61%
**06
94%
[ReloadSwiss RS 36]*
<<locked>>
85%
26614
68%
**78
90%
SNPE Vectan BA6 1/2
<<locked>>
82%
23540
60%
**50
100%
[Shooters World Buffalo Rifle]*
<<locked>>
81%
32343
83%
**44
91%
Vihtavuori N110
<<locked>>
81%
28311
72%
**91
100%
[Vihtavuori N120]*
<<locked>>
86%
20914
53%
**50
90%

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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