Load data for .44 Auto Mag. + .430 | 180gr | Rim Rock RNFP Cowboy

Recommended Powder(s): SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.43 \| 180gr \| Rim Rock RNFP Cowboy
Manufacturer SKU:	#019
Bullet Weight:	180gr \| 11.7g
Bullet Diameter:	0.430" \| 10.92mm
Bullet Length:	0.552" \| 14.0mm
Caliber:	.44 Auto Mag. load data
Case Length (l3):	1.298" \| 33.0mm
Cartridge Length (C.O.L.):	1.674" \| 42.5mm
Seated Depth:	0.176" \| 4.5mm
Shank Seated Depth:	0.176" \| 4.5mm
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_B10613_C710
Last updated:	2025-01-01

Load data for 92 loads in caliber .44 Auto Mag. with .43 | 180gr | Rim Rock RNFP Cowboy bullet and 46 powders such as SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350. 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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Min z (%)
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Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
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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>>	86%	32256	87%	**09	98%
ADI AS 30	<<locked>>	69%	32909	89%	**09	100%
ADI AS 50N	<<locked>>	64%	32111	87%	**45	100%
Accurate No. 2	<<locked>>	66%	31952	86%	**30	100%
Accurate No. 7	<<locked>>	69%	33141	90%	**78	91%
[Accurate No. 9]*	<<locked>>	77%	32706	88%	**49	84%
Accurate Solo 1000	<<locked>>	67%	32097	87%	**29	100%
Accurate Solo 1250	<<locked>>	71%	32155	87%	**85	100%
[Accurate TCM]*	<<locked>>	76%	32445	88%	**42	85%
[Alliant BLUE DOT]*	<<locked>>	88%	32256	87%	**52	89%
Alliant BULLSEYE	<<locked>>	63%	32576	88%	**67	100%
Alliant POWER PISTOL	<<locked>>	71%	32547	88%	**52	97%
Alliant UNIQUE	<<locked>>	72%	32750	89%	**63	100%
Baschieri & Pellagri 100	<<locked>>	68%	32169	87%	**35	100%
Hodgdon Clays	<<locked>>	66%	33025	89%	**47	100%
Hodgdon Universal	<<locked>>	66%	32372	88%	**98	100%
Hodgdon TrailBoss	<<locked>>	95%	16708	45%	**33	100%
Lovex D037.1	<<locked>>	69%	33141	90%	**78	91%
[Lovex D037.2]*	<<locked>>	75%	32314	87%	**49	84%
Lovex S020	<<locked>>	66%	33228	90%	**40	100%
Maxam CSB 1	<<locked>>	75%	32576	88%	**88	100%
Maxam CSB 2	<<locked>>	71%	32692	88%	**81	100%
Maxam CSB 3	<<locked>>	70%	32126	87%	**58	100%
Maxam CSB 4	<<locked>>	68%	33156	90%	**48	100%
Maxam CSB 5	<<locked>>	64%	32895	89%	**96	100%
ReloadSwiss RS 14	<<locked>>	94%	15273	41%	**33	100%
ReloadSwiss RS 20	<<locked>>	72%	31894	86%	**50	100%
ReloadSwiss RS 24	<<locked>>	75%	33286	90%	**62	93%
Rottweil P 806	<<locked>>	79%	33199	90%	**72	100%
SNPE Vectan A0	<<locked>>	74%	32155	87%	**24	100%
SNPE Vectan BA 9	<<locked>>	67%	31836	86%	**85	100%
SNPE Vectan BA10	<<locked>>	62%	32401	88%	**60	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	79%	32648	88%	**76	100%
SNPE Vectan BA9 1/2	<<locked>>	68%	32053	87%	**88	100%
[Shooters World Heavy Pistol]*	<<locked>>	75%	32314	87%	**49	84%
Shooters World Major Pistol	<<locked>>	69%	33141	90%	**78	91%
Somchem MP200	<<locked>>	66%	32880	89%	**67	100%
Somchem MS200	<<locked>>	71%	33272	90%	**44	100%
Vihtavuori 3N37 👍	<<locked>>	73%	33127	90%	**09	100%
Vihtavuori 3N38	<<locked>>	84%	32503	88%	**45	93%
Vihtavuori N105	<<locked>>	91%	33141	90%	**98	97%
Vihtavuori N320	<<locked>>	65%	31966	86%	**39	100%
Vihtavuori N32C Tin Star	<<locked>>	90%	32706	88%	**66	100%
Vihtavuori N330	<<locked>>	67%	32605	88%	**11	100%
Vihtavuori N340	<<locked>>	71%	32518	88%	**44	100%
Vihtavuori N350 👍	<<locked>>	76%	33199	90%	**03	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	15824	43%	**38	87%
ADI AS 30	<<locked>>	61%	26905	73%	**17	100%
ADI AS 50N	<<locked>>	61%	29240	79%	**96	100%
Accurate No. 2	<<locked>>	61%	27282	74%	**55	100%
[Accurate No. 7]*	<<locked>>	61%	24526	66%	**11	85%
[Accurate No. 9]*	<<locked>>	72%	27528	74%	**50	80%
Accurate Solo 1000	<<locked>>	61%	27717	75%	**57	100%
Accurate Solo 1250	<<locked>>	61%	24047	65%	**60	100%
[Accurate TCM]*	<<locked>>	69%	25295	68%	**11	81%
[Alliant BLUE DOT]*	<<locked>>	73%	20943	57%	**09	80%
Alliant BULLSEYE	<<locked>>	61%	31154	84%	**34	100%
Alliant POWER PISTOL	<<locked>>	61%	23496	64%	**68	92%
Alliant UNIQUE	<<locked>>	61%	23859	65%	**19	100%
Baschieri & Pellagri 100	<<locked>>	61%	26571	72%	**53	100%
Hodgdon Clays	<<locked>>	61%	29791	81%	**01	100%
Hodgdon Universal	<<locked>>	61%	28210	76%	**35	100%
Hodgdon TrailBoss	<<locked>>	61%	8383	23%	**7	100%
[Lovex D037.1]*	<<locked>>	61%	24526	66%	**11	85%
[Lovex D037.2]*	<<locked>>	71%	27021	73%	**44	80%
Lovex S020	<<locked>>	61%	28761	78%	**75	100%
Maxam CSB 1	<<locked>>	61%	22336	60%	**24	100%
Maxam CSB 2	<<locked>>	61%	24439	66%	**63	100%
Maxam CSB 3	<<locked>>	61%	25338	69%	**50	100%
Maxam CSB 4	<<locked>>	61%	27267	74%	**63	100%
Maxam CSB 5	<<locked>>	61%	29805	81%	**53	100%
ReloadSwiss RS 14	<<locked>>	61%	7832	21%	**7	99%
ReloadSwiss RS 20	<<locked>>	61%	23061	62%	**02	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	20972	57%	**02	84%
Rottweil P 806	<<locked>>	61%	17622	48%	**53	93%
SNPE Vectan A0	<<locked>>	61%	22495	61%	**50	100%
SNPE Vectan BA 9	<<locked>>	61%	26919	73%	**09	100%
SNPE Vectan BA10	<<locked>>	61%	30792	83%	**30	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	19276	52%	**17	96%
SNPE Vectan BA9 1/2	<<locked>>	61%	26731	72%	**06	100%
[Shooters World Heavy Pistol]*	<<locked>>	71%	27021	73%	**44	80%
[Shooters World Major Pistol]*	<<locked>>	61%	24526	66%	**11	85%
Somchem MP200	<<locked>>	61%	27688	75%	**75	100%
Somchem MS200	<<locked>>	61%	25425	69%	**19	100%
Vihtavuori 3N37	<<locked>>	61%	22771	62%	**12	98%
[Vihtavuori 3N38]*	<<locked>>	62%	16418	44%	**78	80%
[Vihtavuori N105]*	<<locked>>	66%	14402	39%	**61	81%
Vihtavuori N320	<<locked>>	61%	28964	78%	**93	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	16563	45%	**10	100%
Vihtavuori N330	<<locked>>	61%	26847	73%	**22	100%
Vihtavuori N340	<<locked>>	61%	24540	66%	**09	100%
Vihtavuori N350	<<locked>>	61%	20349	55%	**60	97%

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.