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Load data for .44 Auto Mag. + .429 | 300gr | H&N KS HS

Recommended Powder(s):

.44 Auto Mag. + .429 | 300gr | H&N KS HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.429 | 300gr | H&N KS HS
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.429" | 10.90mm
Bullet Length:
<<locked>>
Caliber:
.44 Auto Mag. load data
Case Length (l3):
1.298" | 33.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
39.0 Grains of Water | 2.53 cm³
Primer Size:
Large Pistol Magnum (LPM)
Max. allowed Pressure:
36985 psi | 2550 bar
LID:
LID_B7521_C710
Last updated:
2026-01-20

Load data for 88 loads in caliber .44 Auto Mag. with .429 | 300gr | H&N KS HS bullet and 44 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
84%
88%
100%
ADI AS 50N
63%
87%
100%
Accurate 4100
88%
87%
85%
Accurate No. 2
63%
84%
100%
Accurate No. 7
66%
87%
96%
Accurate No. 9
75%
90%
92%
Accurate Solo 1250
70%
89%
100%
Accurate TCM
74%
86%
92%
Alliant 2400
84%
87%
88%
Alliant BLUE DOT
86%
88%
95%
Alliant POWER PISTOL
69%
87%
100%
Alliant UNIQUE
70%
88%
100%
Baschieri & Pellagri 102 Pistol
83%
86%
100%
Baschieri & Pellagri 103 Pistol
63%
87%
100%
Hodgdon LilGun
97%
86%
88%
Hodgdon Universal
63%
85%
100%
Hodgdon CFE Pistol
67%
90%
100%
Lovex D037.1
66%
87%
96%
Lovex D037.2
74%
87%
91%
Lovex S020
63%
86%
100%
Maxam CSB 1
74%
90%
100%
Maxam CSB 2
68%
85%
100%
Maxam CSB 3
67%
84%
100%
Maxam CSB 4
67%
90%
100%
Ramshot Enforcer
85%
87%
90%
ReloadSwiss RS 20
69%
85%
100%
ReloadSwiss RS 24
72%
89%
98%
Rottweil P 806
76%
87%
100%
SNPE Vectan A0
73%
88%
100%
SNPE Vectan BA 9
65%
86%
100%
SNPE Vectan BA7 1/2
77%
89%
100%
SNPE Vectan BA9 1/2
65%
84%
100%
SNPE Vectan SP 2
66%
89%
100%
Shooters World Heavy Pistol
74%
87%
91%
Shooters World Major Pistol
66%
87%
96%
Somchem MP200
63%
85%
100%
Somchem MS200
68%
87%
100%
Vihtavuori 3N37
71%
88%
100%
Vihtavuori 3N38
82%
89%
98%
Vihtavuori N105
88%
86%
100%
Vihtavuori N110
96%
63%
83%
Vihtavuori N330
66%
89%
100%
Vihtavuori N340
68%
86%
100%
Vihtavuori N350
73%
86%
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 100
<<locked>>
67%
20218
55%
**2
97%
ADI AS 50N
<<locked>>
61%
30197
82%
**2
100%
[Accurate 4100]*
<<locked>>
82%
26353
71%
**76
81%
Accurate No. 2
<<locked>>
61%
28848
78%
**4
100%
Accurate No. 7
<<locked>>
61%
25933
70%
**66
93%
[Accurate No. 9]*
<<locked>>
61%
19580
53%
**1
82%
Accurate Solo 1250
<<locked>>
65%
28718
78%
**8
100%
[Accurate TCM]*
<<locked>>
61%
19638
53%
**5
83%
[Alliant 2400]*
<<locked>>
73%
22249
60%
**10
81%
[Alliant BLUE DOT]*
<<locked>>
68%
18956
51%
**8
86%
Alliant POWER PISTOL
<<locked>>
61%
25150
68%
**30
98%
Alliant UNIQUE
<<locked>>
61%
25063
68%
**1
100%
Baschieri & Pellagri 102 Pistol
<<locked>>
80%
29936
81%
**8
100%
Baschieri & Pellagri 103 Pistol
<<locked>>
61%
30385
82%
**5
100%
[Hodgdon LilGun]*
<<locked>>
87%
22104
60%
**70
81%
Hodgdon Universal
<<locked>>
61%
29356
79%
**8
100%
Hodgdon CFE Pistol
<<locked>>
61%
27427
74%
**5
100%
Lovex D037.1
<<locked>>
61%
25933
70%
**66
93%
[Lovex D037.2]*
<<locked>>
61%
20117
54%
**1
82%
Lovex S020
<<locked>>
60%
29472
80%
**4
100%
Maxam CSB 1
<<locked>>
66%
27224
74%
**9
100%
Maxam CSB 2
<<locked>>
63%
27282
74%
**2
100%
Maxam CSB 3
<<locked>>
64%
29051
79%
**2
100%
Maxam CSB 4
<<locked>>
64%
30980
84%
**2
100%
[Ramshot Enforcer]*
<<locked>>
72%
20059
54%
**8
80%
ReloadSwiss RS 20
<<locked>>
61%
23830
64%
**2
100%
ReloadSwiss RS 24
<<locked>>
61%
22336
60%
**8
93%
Rottweil P 806
<<locked>>
61%
18579
50%
**1
99%
SNPE Vectan A0
<<locked>>
63%
25382
69%
**5
100%
SNPE Vectan BA 9
<<locked>>
61%
27992
76%
**5
100%
SNPE Vectan BA7 1/2
<<locked>>
63%
21799
59%
**2
100%
SNPE Vectan BA9 1/2
<<locked>>
61%
27369
74%
**2
100%
SNPE Vectan SP 2
<<locked>>
61%
27456
74%
**70
100%
[Shooters World Heavy Pistol]*
<<locked>>
61%
20117
54%
**1
82%
Shooters World Major Pistol
<<locked>>
61%
25933
70%
**66
93%
Somchem MP200
<<locked>>
61%
29443
80%
**01
100%
Somchem MS200
<<locked>>
61%
26310
71%
**2
100%
Vihtavuori 3N37
<<locked>>
61%
23859
65%
**8
100%
Vihtavuori 3N38
<<locked>>
66%
19551
53%
**5
92%
Vihtavuori N105
<<locked>>
69%
16752
45%
**2
93%
[Vihtavuori N110]*
<<locked>>
92%
20943
57%
**17
80%
Vihtavuori N330
<<locked>>
61%
28703
78%
**8
100%
Vihtavuori N340
<<locked>>
61%
25817
70%
**5
100%
Vihtavuori N350
<<locked>>
61%
21553
58%
**2
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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