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Load data for .444 Marlin + .429 | 240gr | Speer JSP-SWC

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Recommended Powder(s): Accurate No. 11 FS

.444 Marlin + .429 | 240gr | Speer JSP-SWC

Load Specifications

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 38 loads in caliber .444 Marlin with .429 | 240gr | Speer JSP-SWC bullet and 19 powders such as Accurate No. 11 FS. 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 2205
90%
89%
100%
ADI AR 2207
96%
64%
97%
Accurate 1680
95%
89%
94%
Accurate 5744
88%
89%
97%
Accurate No. 11 FS
88%
90%
99%
Alliant Reloder-7
97%
69%
94%
Hodgdon LilGun
83%
89%
100%
IMR 4198
97%
61%
92%
IMR 4227
97%
88%
98%
Lovex D060
90%
89%
97%
Lovex D063
86%
90%
97%
Lovex S053
97%
81%
100%
Norma 200
96%
56%
92%
ReloadSwiss RS 36
97%
83%
98%
SNPE Vectan BA6 1/2
96%
75%
100%
Shooters World Blackout
86%
90%
97%
Shooters World Buffalo Rifle
90%
89%
97%
Vihtavuori N110
94%
89%
100%
Vihtavuori N120
96%
60%
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
81%
68%
99%
ADI AR 2207
82%
40%
90%
Accurate 1680
88%
70%
90%
Accurate 5744
81%
72%
95%
Accurate No. 11 FS
81%
71%
98%
Alliant Reloder-7
88%
53%
90%
Hodgdon LilGun
81%
81%
100%
IMR 4198
92%
54%
90%
IMR 4227
81%
53%
93%
Lovex D060
81%
68%
94%
Lovex D063
81%
74%
95%
Lovex S053
81%
51%
97%
Norma 200
93%
50%
90%
ReloadSwiss RS 36
81%
50%
92%
SNPE Vectan BA6 1/2
81%
48%
100%
Shooters World Blackout
81%
74%
95%
Shooters World Buffalo Rifle
81%
68%
94%
Vihtavuori N110
81%
60%
100%
Vihtavuori N120
81%
38%
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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