Load data for .44 Rem. Mag. + .429 | 240gr | LOS RNFP

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.429 \| 240gr \| LOS RNFP
Bullet Weight:	240gr \| 15.6g
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_B3521_C714
Last updated:	2026-03-24

Load data for 122 loads in caliber .44 Rem. Mag. with .429 | 240gr | LOS RNFP 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>>	86%	35766	88%	**06	100%
ADI APS 350	<<locked>>	67%	34954	86%	**27	100%
ADI APS 450	<<locked>>	68%	35317	87%	**56	100%
ADI AS 30	<<locked>>	68%	35099	86%	**83	100%
ADI AS 50N	<<locked>>	66%	36260	89%	**38	100%
[Accurate 4100]*	<<locked>>	88%	35520	87%	**55	83%
Accurate No. 2	<<locked>>	67%	36376	90%	**20	100%
Accurate No. 7	<<locked>>	67%	35752	88%	**55	95%
Accurate No. 9	<<locked>>	75%	35723	88%	**52	90%
Accurate Solo 1000	<<locked>>	68%	35447	87%	**15	100%
Accurate Solo 1250	<<locked>>	71%	35476	87%	**65	100%
Accurate TCM	<<locked>>	75%	35462	87%	**42	91%
[Alliant 2400]*	<<locked>>	84%	35462	87%	**68	87%
Alliant BE-86	<<locked>>	70%	35418	87%	**55	100%
Alliant BLUE DOT	<<locked>>	87%	35969	89%	**58	94%
Alliant BULLSEYE	<<locked>>	63%	36027	89%	**40	100%
Alliant Herco	<<locked>>	83%	35012	86%	**27	100%
Alliant POWER PISTOL 👍	<<locked>>	70%	35534	87%	**39	100%
Alliant RED DOT	<<locked>>	70%	36013	89%	**09	100%
Alliant UNIQUE	<<locked>>	71%	35926	88%	**43	100%
Baschieri & Pellagri 100	<<locked>>	69%	36390	90%	**32	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	84%	35099	86%	**22	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	64%	35505	87%	**35	100%
Hodgdon Clays	<<locked>>	67%	35868	88%	**43	100%
[Hodgdon LilGun]*	<<locked>>	96%	33881	83%	**21	86%
Hodgdon Universal	<<locked>>	65%	35911	88%	**84	100%
Hodgdon CFE Pistol	<<locked>>	67%	34925	86%	**71	100%
Hodgdon TrailBoss	<<locked>>	95%	19928	49%	**9	100%
Lovex D037.1	<<locked>>	67%	35752	88%	**55	95%
Lovex D037.2	<<locked>>	75%	36216	89%	**58	90%
Lovex S020	<<locked>>	65%	36042	89%	**01	100%
Maxam CSB 1	<<locked>>	74%	35288	87%	**61	100%
Maxam CSB 2	<<locked>>	69%	35230	87%	**55	100%
Maxam CSB 3	<<locked>>	70%	35273	87%	**38	100%
Maxam CSB 4	<<locked>>	68%	35375	87%	**22	100%
Maxam CSB 5	<<locked>>	63%	34911	86%	**73	100%
[Ramshot Enforcer]*	<<locked>>	86%	36492	90%	**94	89%
ReloadSwiss RS 14	<<locked>>	97%	19493	48%	**6	100%
ReloadSwiss RS 20	<<locked>>	72%	35882	88%	**27	100%
ReloadSwiss RS 24	<<locked>>	73%	36085	89%	**52	97%
Rottweil P 806	<<locked>>	76%	36434	90%	**52	100%
SNPE Vectan A0	<<locked>>	74%	35766	88%	**04	100%
SNPE Vectan BA 9	<<locked>>	69%	36506	90%	**84	100%
SNPE Vectan BA10	<<locked>>	64%	35302	87%	**56	100%
SNPE Vectan BA7 1/2	<<locked>>	79%	36506	90%	**73	100%
SNPE Vectan BA9 1/2	<<locked>>	69%	36506	90%	**84	100%
SNPE Vectan SP 2	<<locked>>	65%	35317	87%	**35	100%
Shooters World Heavy Pistol	<<locked>>	75%	36216	89%	**58	90%
Shooters World Major Pistol	<<locked>>	67%	35752	88%	**55	95%
Somchem MP200	<<locked>>	65%	34983	86%	**20	100%
Somchem MS200	<<locked>>	69%	35012	86%	**04	100%
Vihtavuori 3N37	<<locked>>	72%	36129	89%	**83	100%
Vihtavuori 3N38	<<locked>>	82%	35447	87%	**32	97%
Vihtavuori N105	<<locked>>	88%	35201	87%	**71	100%
[Vihtavuori N110]*	<<locked>>	97%	27296	67%	**63	82%
Vihtavuori N320	<<locked>>	65%	35737	88%	**25	100%
Vihtavuori N32C Tin Star	<<locked>>	89%	35897	88%	**63	100%
Vihtavuori N330	<<locked>>	65%	34824	86%	**65	100%
Vihtavuori N340	<<locked>>	71%	36463	90%	**24	100%
Vihtavuori N350	<<locked>>	75%	35897	88%	**70	100%
Winchester AutoComp	<<locked>>	72%	35911	88%	**88	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	18695	46%	**07	94%
ADI APS 350	<<locked>>	62%	31270	77%	**1	100%
ADI APS 450	<<locked>>	61%	29863	74%	**4	100%
ADI AS 30	<<locked>>	61%	29660	73%	**20	100%
ADI AS 50N	<<locked>>	61%	32634	80%	**93	100%
[Accurate 4100]*	<<locked>>	83%	30429	75%	**86	80%
Accurate No. 2	<<locked>>	61%	30516	75%	**48	100%
Accurate No. 7	<<locked>>	61%	28848	71%	**57	92%
[Accurate No. 9]*	<<locked>>	61%	22147	55%	**22	81%
Accurate Solo 1000	<<locked>>	61%	30081	74%	**56	100%
Accurate Solo 1250	<<locked>>	61%	26803	66%	**63	100%
[Accurate TCM]*	<<locked>>	61%	22568	56%	**25	83%
[Alliant 2400]*	<<locked>>	73%	24947	61%	**98	80%
Alliant BE-86	<<locked>>	61%	27775	68%	**66	100%
[Alliant BLUE DOT]*	<<locked>>	61%	17579	43%	**10	81%
Alliant BULLSEYE	<<locked>>	61%	34345	85%	**17	100%
Alliant Herco	<<locked>>	61%	20595	51%	**10	100%
Alliant POWER PISTOL	<<locked>>	61%	26963	66%	**01	98%
Alliant RED DOT	<<locked>>	60%	28689	71%	**20	100%
Alliant UNIQUE	<<locked>>	61%	28094	69%	**35	100%
Baschieri & Pellagri 100	<<locked>>	61%	29211	72%	**47	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	61%	20015	49%	**8	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	32677	80%	**06	100%
Hodgdon Clays	<<locked>>	62%	31807	78%	**7	100%
[Hodgdon LilGun]*	<<locked>>	87%	26092	64%	**76	80%
Hodgdon Universal	<<locked>>	61%	32445	80%	**38	100%
Hodgdon CFE Pistol	<<locked>>	61%	30501	75%	**12	100%
Hodgdon TrailBoss	<<locked>>	84%	16549	41%	**3	100%
Lovex D037.1	<<locked>>	61%	28848	71%	**57	92%
[Lovex D037.2]*	<<locked>>	61%	22626	56%	**32	81%
Lovex S020	<<locked>>	61%	32460	80%	**58	100%
Maxam CSB 1	<<locked>>	61%	25802	64%	**40	100%
Maxam CSB 2	<<locked>>	61%	28514	70%	**73	100%
Maxam CSB 3	<<locked>>	61%	28355	70%	**56	100%
Maxam CSB 4	<<locked>>	61%	30298	75%	**60	100%
Maxam CSB 5	<<locked>>	61%	32938	81%	**53	100%
[Ramshot Enforcer]*	<<locked>>	74%	24482	60%	**98	81%
ReloadSwiss RS 14	<<locked>>	82%	15374	38%	**7	100%
ReloadSwiss RS 20	<<locked>>	61%	26063	64%	**02	100%
ReloadSwiss RS 24	<<locked>>	61%	24453	60%	**61	92%
Rottweil P 806	<<locked>>	61%	22408	55%	**38	99%
SNPE Vectan A0	<<locked>>	61%	24990	62%	**60	100%
SNPE Vectan BA 9	<<locked>>	61%	30066	74%	**09	100%
SNPE Vectan BA10	<<locked>>	62%	33344	82%	**37	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	22060	54%	**53	99%
SNPE Vectan BA9 1/2	<<locked>>	61%	29675	73%	**06	100%
SNPE Vectan SP 2	<<locked>>	61%	30618	75%	**66	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	22626	56%	**32	81%
Shooters World Major Pistol	<<locked>>	61%	28848	71%	**57	92%
Somchem MP200	<<locked>>	61%	31705	78%	**81	100%
Somchem MS200	<<locked>>	61%	28689	71%	**22	100%
Vihtavuori 3N37	<<locked>>	61%	26034	64%	**38	100%
[Vihtavuori 3N38]*	<<locked>>	61%	18942	47%	**37	88%
[Vihtavuori N105]*	<<locked>>	61%	15505	38%	**7	89%
[Vihtavuori N110]*	<<locked>>	94%	25106	62%	**20	80%
Vihtavuori N320	<<locked>>	61%	31995	79%	**86	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	20059	49%	**6	100%
Vihtavuori N330	<<locked>>	61%	31227	77%	**29	100%
Vihtavuori N340	<<locked>>	61%	28224	69%	**15	100%
Vihtavuori N350	<<locked>>	61%	24062	59%	**06	100%
Winchester AutoComp	<<locked>>	61%	27151	67%	**76	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