Load data for .44 Auto Mag. + .429 | 160gr | Lehigh Defense Xtreme Defense

Recommended Powder(s): Vihtavuori 3N37

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.429 \| 160gr \| Lehigh Defense Xtreme Defense
Manufacturer SKU:	09429160SP
Bullet Weight:	160gr \| 10.4g
Bullet Diameter:	0.429" \| 10.90mm
Bullet Length:	0.700" \| 17.8mm
Caliber:	.44 Auto Mag. load data
Case Length (l3):	1.298" \| 33.0mm
Cartridge Length (C.O.L.):	1.674" \| 42.5mm
Seated Depth:	0.324" \| 8.2mm
Shank Seated Depth:	0.273" \| 6.9mm
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_B10987_C710
Last updated:	2025-11-04
Recommended Twist Rate:	1:33 - 1:27

Load data for 98 loads in caliber .44 Auto Mag. with .429 | 160gr | Lehigh Defense Xtreme Defense bullet and 49 powders such as Vihtavuori 3N37. 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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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 AP 100	<<locked>>	91%	31720	86%	**45	95%
ADI AP 70N	<<locked>>	63%	33156	90%	**60	100%
ADI APS 350	<<locked>>	69%	33156	90%	**66	100%
ADI APS 450	<<locked>>	70%	32648	88%	**99	100%
ADI AS 30	<<locked>>	70%	31821	86%	**25	100%
ADI AS 50N	<<locked>>	67%	32227	87%	**88	100%
Accurate No. 2	<<locked>>	70%	32460	88%	**80	100%
[Accurate No. 7]*	<<locked>>	73%	32764	89%	**08	86%
Accurate Solo 1000	<<locked>>	72%	33272	90%	**85	100%
Accurate Solo 1250	<<locked>>	76%	32808	89%	**37	100%
[Alliant BLUE DOT]*	<<locked>>	94%	32750	89%	**81	85%
Alliant BULLSEYE	<<locked>>	66%	32619	88%	**06	100%
Alliant POWER PISTOL	<<locked>>	76%	33083	89%	**14	95%
Alliant UNIQUE	<<locked>>	76%	32996	89%	**19	100%
Baschieri & Pellagri 100	<<locked>>	72%	32590	88%	**81	100%
Hodgdon Clays	<<locked>>	67%	32039	87%	**66	100%
Hodgdon Universal	<<locked>>	69%	32561	88%	**50	100%
Hodgdon CFE Pistol	<<locked>>	72%	32619	88%	**44	100%
Hodgdon TrailBoss	<<locked>>	94%	16389	44%	**50	100%
[Lovex D037.1]*	<<locked>>	73%	32764	89%	**08	86%
Lovex S020	<<locked>>	70%	33286	90%	**90	100%
Maxam CSB 1	<<locked>>	80%	33112	90%	**44	100%
Maxam CSB 2	<<locked>>	73%	31821	86%	**24	100%
Maxam CSB 3	<<locked>>	73%	32314	87%	**07	100%
Maxam CSB 4	<<locked>>	71%	32866	89%	**98	100%
Maxam CSB 5	<<locked>>	68%	33199	90%	**42	100%
ReloadSwiss RS 12	<<locked>>	65%	33214	90%	**21	100%
ReloadSwiss RS 14	<<locked>>	96%	15809	43%	**70	100%
ReloadSwiss RS 20	<<locked>>	78%	32430	88%	**16	100%
[ReloadSwiss RS 24]*	<<locked>>	79%	32474	88%	**88	89%
Rottweil P 806	<<locked>>	83%	32938	89%	**24	99%
SNPE Vectan A0	<<locked>>	78%	32387	88%	**67	100%
SNPE Vectan BA 9	<<locked>>	72%	32967	89%	**47	100%
SNPE Vectan BA10	<<locked>>	66%	32648	88%	**99	100%
SNPE Vectan BA7 1/2	<<locked>>	84%	32982	89%	**26	99%
SNPE Vectan BA9 1/2	<<locked>>	72%	32721	88%	**47	100%
SNPE Vectan SP 2	<<locked>>	72%	32677	88%	**11	96%
[Shooters World Major Pistol]*	<<locked>>	73%	32764	89%	**08	86%
Somchem MP200	<<locked>>	69%	32126	87%	**93	100%
Somchem MS200	<<locked>>	74%	32518	88%	**80	100%
Somchem S221	<<locked>>	66%	33025	89%	**75	93%
Vihtavuori 3N37 👍	<<locked>>	77%	32242	87%	**45	99%
Vihtavuori 3N38	<<locked>>	89%	32706	88%	**78	90%
Vihtavuori N105	<<locked>>	95%	30269	82%	**98	93%
Vihtavuori N320	<<locked>>	69%	32764	89%	**94	100%
Vihtavuori N32C Tin Star	<<locked>>	93%	32735	89%	**06	100%
Vihtavuori N330	<<locked>>	70%	32242	87%	**50	100%
Vihtavuori N340	<<locked>>	74%	32068	87%	**83	100%
Vihtavuori N350	<<locked>>	80%	32155	87%	**32	99%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	14953	40%	**25	81%
ADI AP 70N	<<locked>>	61%	31444	85%	**34	100%
ADI APS 350	<<locked>>	61%	27876	75%	**91	100%
ADI APS 450	<<locked>>	61%	26455	72%	**01	100%
ADI AS 30	<<locked>>	60%	25353	69%	**30	100%
ADI AS 50N	<<locked>>	61%	27441	74%	**06	100%
Accurate No. 2	<<locked>>	61%	24613	67%	**35	99%
[Accurate No. 7]*	<<locked>>	65%	24874	67%	**37	81%
Accurate Solo 1000	<<locked>>	61%	25382	69%	**60	100%
Accurate Solo 1250	<<locked>>	61%	22394	61%	**66	100%
[Alliant BLUE DOT]*	<<locked>>	85%	26237	71%	**53	81%
Alliant BULLSEYE	<<locked>>	61%	27876	75%	**24	100%
[Alliant POWER PISTOL]*	<<locked>>	61%	21161	57%	**42	87%
Alliant UNIQUE	<<locked>>	61%	22408	61%	**22	100%
Baschieri & Pellagri 100	<<locked>>	61%	24903	67%	**63	100%
Hodgdon Clays	<<locked>>	61%	28253	76%	**14	100%
Hodgdon Universal	<<locked>>	61%	26368	71%	**45	100%
Hodgdon CFE Pistol	<<locked>>	61%	24627	67%	**19	100%
Hodgdon TrailBoss	<<locked>>	62%	9369	25%	**0	100%
[Lovex D037.1]*	<<locked>>	65%	24874	67%	**37	81%
Lovex S020	<<locked>>	61%	25788	70%	**58	100%
Maxam CSB 1	<<locked>>	61%	20798	56%	**27	100%
Maxam CSB 2	<<locked>>	61%	23003	62%	**80	100%
Maxam CSB 3	<<locked>>	61%	23453	63%	**60	100%
Maxam CSB 4	<<locked>>	61%	25164	68%	**70	100%
Maxam CSB 5	<<locked>>	61%	28137	76%	**66	100%
ReloadSwiss RS 12	<<locked>>	61%	30081	81%	**75	100%
ReloadSwiss RS 14	<<locked>>	61%	8847	24%	**3	99%
ReloadSwiss RS 20	<<locked>>	61%	20755	56%	**89	100%
[ReloadSwiss RS 24]*	<<locked>>	63%	20639	56%	**25	80%
[Rottweil P 806]*	<<locked>>	61%	16389	44%	**47	89%
SNPE Vectan A0	<<locked>>	61%	20755	56%	**47	99%
SNPE Vectan BA 9	<<locked>>	61%	24714	67%	**06	100%
SNPE Vectan BA10	<<locked>>	61%	29385	79%	**53	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	18028	49%	**07	92%
SNPE Vectan BA9 1/2	<<locked>>	61%	24163	65%	**06	100%
SNPE Vectan SP 2	<<locked>>	61%	23032	62%	**14	91%
[Shooters World Major Pistol]*	<<locked>>	65%	24874	67%	**37	81%
Somchem MP200	<<locked>>	61%	25208	68%	**71	100%
Somchem MS200	<<locked>>	61%	23018	62%	**06	100%
Somchem S221	<<locked>>	61%	28152	76%	**76	90%
Vihtavuori 3N37	<<locked>>	61%	20378	55%	**99	95%
[Vihtavuori 3N38]*	<<locked>>	71%	19827	54%	**99	80%
[Vihtavuori N105]*	<<locked>>	75%	17187	46%	**70	81%
Vihtavuori N320	<<locked>>	60%	25976	70%	**93	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	16781	45%	**37	100%
Vihtavuori N330	<<locked>>	61%	24743	67%	**29	100%
Vihtavuori N340	<<locked>>	61%	22191	60%	**99	100%
Vihtavuori N350	<<locked>>	61%	18869	51%	**57	94%

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