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

Recommended Powder(s):

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".
A load must fulfill certain criteria to be listed in the default view below - see "powder criteria to fulfill to be listed".

Our load data might deviate from other sources - see the "most common reasons for deviations".

All loads are based on the bullet and case dimensions shown under "Load Specifications" - see "reloading suggestions" if you deviate.

You can set your specifications in the "Personalized Load Calculator".

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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.
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.

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>>	84%	32532	88%	**96	100%
ADI AS 50N	<<locked>>	63%	32358	87%	**2	100%
[Accurate 4100]*	<<locked>>	88%	32227	87%	**55	85%
Accurate No. 2	<<locked>>	63%	31053	84%	**01	100%
Accurate No. 7	<<locked>>	66%	32285	87%	**52	96%
Accurate No. 9	<<locked>>	75%	33141	90%	**61	92%
Accurate Solo 1250	<<locked>>	70%	32938	89%	**4	100%
Accurate TCM	<<locked>>	74%	31720	86%	**38	92%
[Alliant 2400]*	<<locked>>	84%	32053	87%	**65	88%
Alliant BLUE DOT	<<locked>>	86%	32605	88%	**42	95%
Alliant POWER PISTOL 👍	<<locked>>	69%	32053	87%	**22	100%
Alliant UNIQUE	<<locked>>	70%	32634	88%	**40	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	83%	31894	86%	**5	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	63%	32082	87%	**5	100%
[Hodgdon LilGun]*	<<locked>>	97%	31734	86%	**24	88%
Hodgdon Universal	<<locked>>	63%	31328	85%	**8	100%
Hodgdon CFE Pistol	<<locked>>	67%	33112	90%	**4	100%
Lovex D037.1	<<locked>>	66%	32285	87%	**52	96%
Lovex D037.2	<<locked>>	74%	32271	87%	**48	91%
Lovex S020	<<locked>>	63%	31647	86%	**7	100%
Maxam CSB 1	<<locked>>	74%	33156	90%	**1	100%
Maxam CSB 2	<<locked>>	68%	31415	85%	**5	100%
Maxam CSB 3	<<locked>>	67%	31154	84%	**2	100%
Maxam CSB 4	<<locked>>	67%	33228	90%	**5	100%
Ramshot Enforcer	<<locked>>	85%	32227	87%	**78	90%
ReloadSwiss RS 20	<<locked>>	69%	31270	85%	**20	100%
ReloadSwiss RS 24	<<locked>>	72%	32982	89%	**45	98%
Rottweil P 806	<<locked>>	76%	32097	87%	**35	100%
SNPE Vectan A0	<<locked>>	73%	32692	88%	**04	100%
SNPE Vectan BA 9	<<locked>>	65%	31778	86%	**4	100%
SNPE Vectan BA7 1/2	<<locked>>	77%	32895	89%	**63	100%
SNPE Vectan BA9 1/2	<<locked>>	65%	31256	84%	**1	100%
SNPE Vectan SP 2	<<locked>>	66%	32909	89%	**38	100%
Shooters World Heavy Pistol	<<locked>>	74%	32271	87%	**48	91%
Shooters World Major Pistol	<<locked>>	66%	32285	87%	**52	96%
Somchem MP200	<<locked>>	63%	31256	85%	**24	100%
Somchem MS200	<<locked>>	68%	31995	87%	**07	100%
Vihtavuori 3N37	<<locked>>	71%	32518	88%	**76	100%
Vihtavuori 3N38	<<locked>>	82%	32938	89%	**32	98%
Vihtavuori N105	<<locked>>	88%	31966	86%	**58	100%
[Vihtavuori N110]*	<<locked>>	96%	23250	63%	**56	83%
Vihtavuori N330	<<locked>>	66%	32982	89%	**1	100%
Vihtavuori N340	<<locked>>	68%	31662	86%	**10	100%
Vihtavuori N350	<<locked>>	73%	31894	86%	**63	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