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Load data for .44 Rem. Mag. + .429 | 300gr | Nosler JHP

Recommended Powder(s):

.44 Rem. Mag. + .429 | 300gr | Nosler JHP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.429 | 300gr | Nosler JHP
Manufacturer SKU:
42069
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.429" | 10.90mm
Bullet Length:
<<locked>>
Caliber:
.44 Rem. Mag. load data
Case Length (l3):
1.275" | 32.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
39.5 Grains of Water | 2.56 cm³
Primer Size:
Large Pistol Magnum (LPM)
Max. allowed Pressure:
40611 psi | 2800 bar
LID:
LID_B4200_C714
Last updated:
2026-01-21

Load data for 66 loads in caliber .44 Rem. Mag. with .429 | 300gr | Nosler JHP bullet and 33 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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  • 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 AP 100
<<locked>>
96%
33301
82%
**10
99%
Accurate No. 2
<<locked>>
75%
35404
87%
**1
100%
Accurate No. 7
<<locked>>
77%
35186
87%
**79
93%
[Accurate No. 9]*
<<locked>>
86%
35012
86%
**70
88%
[Accurate TCM]*
<<locked>>
86%
35723
88%
**70
89%
[Alliant 2400]*
<<locked>>
96%
33098
82%
**66
84%
Alliant BLUE DOT
<<locked>>
96%
32053
79%
**37
91%
Alliant BULLSEYE
<<locked>>
71%
35433
87%
**8
100%
Alliant POWER PISTOL 👍
<<locked>>
80%
34766
86%
**63
99%
Alliant Sport Pistol
<<locked>>
67%
35969
89%
**4
100%
Alliant UNIQUE
<<locked>>
82%
35984
89%
**1
100%
Hodgdon HS-6
<<locked>>
66%
33982
84%
**04
100%
Hodgdon Longshot
<<locked>>
63%
35157
87%
**04
100%
Lovex D037.1
<<locked>>
77%
35186
87%
**79
93%
[Lovex D037.2]*
<<locked>>
85%
35012
86%
**70
88%
Lovex S020
<<locked>>
74%
36129
89%
**5
100%
[Ramshot Enforcer]*
<<locked>>
96%
31270
77%
**60
84%
Ramshot Silhouette
<<locked>>
66%
34011
84%
**1
100%
Ramshot True Blue
<<locked>>
63%
35708
88%
**07
100%
ReloadSwiss RS 20
<<locked>>
84%
36158
89%
**4
100%
ReloadSwiss RS 24
<<locked>>
83%
35027
86%
**63
96%
Rottweil P 806 👍
<<locked>>
90%
36187
89%
**99
100%
SNPE Vectan BA7 1/2
<<locked>>
88%
34650
85%
**1
100%
SNPE Vectan SP 2 👍
<<locked>>
77%
34983
86%
**73
100%
[Shooters World Heavy Pistol]*
<<locked>>
85%
35012
86%
**70
88%
Shooters World Major Pistol
<<locked>>
77%
35186
87%
**79
93%
Somchem MP200
<<locked>>
73%
33852
83%
**5
100%
Somchem S221
<<locked>>
69%
34548
85%
**37
97%
Vihtavuori 3N37
<<locked>>
81%
34171
84%
**07
100%
Vihtavuori 3N38
<<locked>>
96%
35955
89%
**63
96%
Vihtavuori N105
<<locked>>
97%
29066
72%
**40
98%
Vihtavuori N340
<<locked>>
78%
33736
83%
**5
100%
Vihtavuori N350
<<locked>>
84%
34389
85%
**01
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 100
<<locked>>
86%
26368
65%
**2
97%
Accurate No. 2
<<locked>>
71%
32140
79%
**5
100%
[Accurate No. 7]*
<<locked>>
65%
22669
56%
**2
86%
[Accurate No. 9]*
<<locked>>
76%
24410
60%
**8
81%
[Accurate TCM]*
<<locked>>
76%
24932
61%
**5
83%
[Alliant 2400]*
<<locked>>
91%
28892
71%
**14
81%
[Alliant BLUE DOT]*
<<locked>>
85%
24047
59%
**2
86%
Alliant BULLSEYE
<<locked>>
65%
29559
73%
**9
100%
Alliant POWER PISTOL
<<locked>>
69%
25150
62%
**5
96%
Alliant Sport Pistol
<<locked>>
61%
30153
74%
**2
100%
Alliant UNIQUE
<<locked>>
75%
30313
75%
**5
100%
Hodgdon HS-6
<<locked>>
61%
29283
72%
**1
100%
Hodgdon Longshot
<<locked>>
61%
32561
80%
**8
100%
[Lovex D037.1]*
<<locked>>
65%
22669
56%
**2
86%
[Lovex D037.2]*
<<locked>>
75%
24410
60%
**8
81%
Lovex S020
<<locked>>
71%
33025
81%
**8
100%
[Ramshot Enforcer]*
<<locked>>
89%
25324
62%
**4
80%
Ramshot Silhouette
<<locked>>
61%
28732
71%
**2
100%
Ramshot True Blue
<<locked>>
61%
32909
81%
**1
100%
ReloadSwiss RS 20
<<locked>>
77%
30327
75%
**5
100%
ReloadSwiss RS 24
<<locked>>
71%
24004
59%
**5
90%
Rottweil P 806
<<locked>>
75%
21756
54%
**2
99%
SNPE Vectan BA7 1/2
<<locked>>
82%
29921
74%
**5
100%
SNPE Vectan SP 2
<<locked>>
64%
23206
57%
**8
97%
[Shooters World Heavy Pistol]*
<<locked>>
75%
24410
60%
**8
81%
[Shooters World Major Pistol]*
<<locked>>
65%
22669
56%
**2
86%
Somchem MP200
<<locked>>
70%
31285
77%
**8
100%
Somchem S221
<<locked>>
61%
26020
64%
**5
94%
Vihtavuori 3N37
<<locked>>
73%
26687
66%
**8
100%
Vihtavuori 3N38
<<locked>>
82%
24424
60%
**2
91%
Vihtavuori N105
<<locked>>
86%
20813
51%
**2
93%
Vihtavuori N340
<<locked>>
75%
30850
76%
**9
100%
Vihtavuori N350
<<locked>>
75%
26455
65%
**9
100%

Start Load - Barrel Length: 5.50''

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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