Load data for .44 Rem. Mag. + .429 | 250gr | Nosler Partition HP

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.429 \| 250gr \| Nosler Partition HP
Manufacturer SKU:	44250
Bullet Weight:	250gr \| 16.2g
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_B4199_C714
Last updated:	2026-02-01

Load data for 122 loads in caliber .44 Rem. Mag. with .429 | 250gr | Nosler Partition HP bullet and 61 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>>	92%	34911	86%	**20	99%
ADI AP 70N	<<locked>>	63%	34983	86%	**12	100%
ADI APS 350	<<locked>>	71%	36100	89%	**1	100%
ADI APS 450	<<locked>>	73%	35940	89%	**01	100%
ADI AS 30	<<locked>>	74%	35752	88%	**30	100%
ADI AS 50N	<<locked>>	69%	35273	87%	**66	100%
Accurate No. 2	<<locked>>	70%	34708	85%	**32	100%
Accurate No. 7	<<locked>>	73%	34954	86%	**76	94%
[Accurate No. 9]*	<<locked>>	81%	35273	87%	**73	88%
Accurate Solo 1000	<<locked>>	73%	35795	88%	**56	100%
Accurate Solo 1250	<<locked>>	77%	35346	87%	**06	100%
Accurate TCM	<<locked>>	82%	36056	89%	**80	90%
[Alliant 2400]*	<<locked>>	92%	35317	87%	**93	85%
Alliant BE-86	<<locked>>	76%	36260	89%	**06	100%
Alliant BLUE DOT	<<locked>>	95%	36434	90%	**89	93%
Alliant BULLSEYE	<<locked>>	68%	35882	88%	**68	100%
Alliant Herco	<<locked>>	90%	34911	86%	**65	100%
Alliant POWER PISTOL	<<locked>>	76%	35346	87%	**70	99%
Alliant Sport Pistol	<<locked>>	63%	35534	87%	**75	100%
Alliant UNIQUE	<<locked>>	76%	34708	85%	**68	100%
Baschieri & Pellagri 100	<<locked>>	74%	36216	89%	**66	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	93%	36260	89%	**79	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	70%	35911	88%	**83	100%
Hodgdon Clays	<<locked>>	68%	34243	84%	**1	100%
Hodgdon HS-6	<<locked>>	63%	35128	87%	**11	100%
Hodgdon Universal	<<locked>>	71%	36027	89%	**25	100%
Hodgdon CFE Pistol	<<locked>>	73%	35462	87%	**15	100%
Lovex D037.1	<<locked>>	73%	34954	86%	**76	94%
[Lovex D037.2]*	<<locked>>	81%	36042	89%	**80	88%
Lovex S011	<<locked>>	63%	35520	87%	**83	100%
Lovex S020	<<locked>>	70%	36274	89%	**42	100%
Maxam CSB 1	<<locked>>	80%	35360	87%	**02	100%
Maxam CSB 2	<<locked>>	76%	36085	89%	**09	100%
Maxam CSB 3	<<locked>>	74%	34635	85%	**73	100%
Maxam CSB 4	<<locked>>	71%	34606	85%	**50	100%
Maxam CSB 5	<<locked>>	67%	34272	84%	**07	100%
[Ramshot Enforcer]*	<<locked>>	94%	36477	90%	**25	87%
Ramshot Silhouette	<<locked>>	64%	36245	89%	**81	100%
ReloadSwiss RS 12	<<locked>>	66%	35650	88%	**86	100%
ReloadSwiss RS 20	<<locked>>	77%	35070	86%	**61	100%
ReloadSwiss RS 24	<<locked>>	79%	35056	86%	**70	96%
Rottweil P 806 👍	<<locked>>	83%	34751	86%	**80	100%
SNPE Vectan A0	<<locked>>	80%	35766	88%	**35	100%
SNPE Vectan BA 9	<<locked>>	73%	35940	89%	**15	100%
SNPE Vectan BA10	<<locked>>	67%	34679	85%	**8	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	85%	35476	87%	**94	100%
SNPE Vectan BA9 1/2	<<locked>>	73%	35650	88%	**15	100%
SNPE Vectan SP 2 👍	<<locked>>	72%	35041	86%	**73	100%
[Shooters World Heavy Pistol]*	<<locked>>	81%	36042	89%	**80	88%
Shooters World Major Pistol	<<locked>>	73%	34954	86%	**76	94%
Somchem MP200	<<locked>>	72%	36347	90%	**78	100%
Somchem MS200	<<locked>>	75%	35244	87%	**42	100%
Somchem S221	<<locked>>	67%	36216	89%	**53	98%
Vihtavuori 3N37	<<locked>>	77%	35099	86%	**07	100%
Vihtavuori 3N38	<<locked>>	89%	35186	87%	**57	96%
Vihtavuori N105 👍	<<locked>>	95%	33547	83%	**83	99%
Vihtavuori N320	<<locked>>	69%	34243	84%	**53	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	35027	86%	**01	100%
Vihtavuori N330	<<locked>>	73%	36463	90%	**29	100%
Vihtavuori N340	<<locked>>	75%	34751	86%	**38	100%
Vihtavuori N350	<<locked>>	80%	34374	85%	**94	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	14997	37%	**6	89%
ADI AP 70N	<<locked>>	61%	32822	81%	**93	100%
ADI APS 350	<<locked>>	62%	28834	71%	**6	100%
ADI APS 450	<<locked>>	61%	27180	67%	**6	100%
ADI AS 30	<<locked>>	62%	26847	66%	**5	100%
ADI AS 50N	<<locked>>	61%	28616	70%	**4	100%
Accurate No. 2	<<locked>>	61%	25759	63%	**30	100%
[Accurate No. 7]*	<<locked>>	61%	22902	56%	**93	87%
[Accurate No. 9]*	<<locked>>	69%	23366	58%	**93	81%
Accurate Solo 1000	<<locked>>	62%	27050	67%	**1	100%
Accurate Solo 1250	<<locked>>	61%	23061	57%	**8	100%
[Accurate TCM]*	<<locked>>	67%	21611	53%	**56	81%
[Alliant 2400]*	<<locked>>	84%	27615	68%	**81	80%
Alliant BE-86	<<locked>>	61%	23525	58%	**1	100%
[Alliant BLUE DOT]*	<<locked>>	70%	18478	45%	**8	81%
Alliant BULLSEYE	<<locked>>	61%	29269	72%	**96	100%
Alliant Herco	<<locked>>	61%	16781	41%	**9	100%
Alliant POWER PISTOL	<<locked>>	61%	22133	54%	**60	94%
Alliant Sport Pistol	<<locked>>	61%	33359	82%	**45	100%
Alliant UNIQUE	<<locked>>	61%	23395	58%	**17	100%
Baschieri & Pellagri 100	<<locked>>	61%	25643	63%	**1	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	61%	16331	40%	**3	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	27441	68%	**7	100%
Hodgdon Clays	<<locked>>	62%	29414	72%	**2	100%
Hodgdon HS-6	<<locked>>	61%	33214	82%	**84	100%
Hodgdon Universal	<<locked>>	62%	27804	68%	**33	100%
Hodgdon CFE Pistol	<<locked>>	62%	25904	64%	**07	100%
[Lovex D037.1]*	<<locked>>	61%	22902	56%	**93	87%
[Lovex D037.2]*	<<locked>>	69%	23960	59%	**06	81%
Lovex S011	<<locked>>	61%	33243	82%	**56	100%
Lovex S020	<<locked>>	61%	27514	68%	**47	100%
Maxam CSB 1	<<locked>>	62%	21988	54%	**8	100%
Maxam CSB 2	<<locked>>	61%	23757	58%	**8	100%
Maxam CSB 3	<<locked>>	61%	24323	60%	**5	100%
Maxam CSB 4	<<locked>>	60%	26005	64%	**5	100%
Maxam CSB 5	<<locked>>	61%	29660	73%	**1	100%
[Ramshot Enforcer]*	<<locked>>	84%	25425	63%	**65	80%
Ramshot Silhouette	<<locked>>	61%	32271	79%	**38	100%
ReloadSwiss RS 12	<<locked>>	61%	31357	77%	**43	100%
ReloadSwiss RS 20	<<locked>>	61%	21872	54%	**01	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	20175	50%	**24	87%
Rottweil P 806	<<locked>>	61%	16462	41%	**1	96%
SNPE Vectan A0	<<locked>>	60%	21263	52%	**5	100%
SNPE Vectan BA 9	<<locked>>	62%	26208	65%	**07	100%
SNPE Vectan BA10	<<locked>>	61%	30327	75%	**2	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	18637	46%	**5	97%
SNPE Vectan BA9 1/2	<<locked>>	61%	25585	63%	**7	100%
SNPE Vectan SP 2	<<locked>>	61%	24758	61%	**22	97%
[Shooters World Heavy Pistol]*	<<locked>>	69%	23960	59%	**06	81%
[Shooters World Major Pistol]*	<<locked>>	61%	22902	56%	**93	87%
Somchem MP200	<<locked>>	61%	26774	66%	**63	100%
Somchem MS200	<<locked>>	61%	23844	59%	**01	100%
Somchem S221	<<locked>>	61%	29544	73%	**65	96%
Vihtavuori 3N37	<<locked>>	61%	21524	53%	**17	99%
[Vihtavuori 3N38]*	<<locked>>	61%	14794	36%	**2	82%
[Vihtavuori N105]*	<<locked>>	61%	11647	29%	**0	81%
Vihtavuori N320	<<locked>>	61%	27398	67%	**1	100%
Vihtavuori N32C Tin Star	<<locked>>	70%	20552	51%	**7	100%
Vihtavuori N330	<<locked>>	61%	25512	63%	**07	100%
Vihtavuori N340	<<locked>>	61%	23206	57%	**7	100%
Vihtavuori N350	<<locked>>	61%	19305	48%	**8	99%

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