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

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

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

Load Specifications

Rim Rock Load Data | xxlreloading.com

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 92 loads in caliber .44 Auto Mag. with a .430 | 180gr | Rim Rock RNFP Cowboy bullet based on the specified parameters like bullet length, cartridge length, and case capacity as shown 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 below - see here.

    • our load data might deviate from other sources - see most common reasons here

    • all loads are based on the bullet and case dimensions shown further below - see here what to do if you deviate.

    • you can set your own specifications in the "Personalized Load Calculator"

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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
86%
87%
98%
ADI AS 30
69%
89%
100%
ADI AS 50N
64%
87%
100%
Accurate No. 2
66%
86%
100%
Accurate No. 7
69%
90%
91%
Accurate No. 9
77%
88%
84%
Accurate Solo 1000
67%
87%
100%
Accurate Solo 1250
71%
87%
100%
Accurate TCM
76%
88%
85%
Alliant BLUE DOT
88%
87%
89%
Alliant BULLSEYE
63%
88%
100%
Alliant POWER PISTOL
71%
88%
97%
Alliant UNIQUE
72%
89%
100%
Baschieri & Pellagri 100
68%
87%
100%
Hodgdon Clays
66%
89%
100%
Hodgdon Universal
66%
88%
100%
Hodgdon TrailBoss
95%
45%
100%
Lovex D037.1
69%
90%
91%
Lovex D037.2
75%
87%
84%
Lovex S020
66%
90%
100%
Maxam CSB 1
75%
88%
100%
Maxam CSB 2
71%
88%
100%
Maxam CSB 3
70%
87%
100%
Maxam CSB 4
68%
90%
100%
Maxam CSB 5
64%
89%
100%
ReloadSwiss RS 14
94%
41%
100%
ReloadSwiss RS 20
72%
86%
100%
ReloadSwiss RS 24
75%
90%
93%
Rottweil P 806
79%
90%
100%
SNPE Vectan A0
74%
87%
100%
SNPE Vectan BA 9
67%
86%
100%
SNPE Vectan BA10
62%
88%
100%
SNPE Vectan BA7 1/2
79%
88%
100%
SNPE Vectan BA9 1/2
68%
87%
100%
Shooters World Heavy Pistol
75%
87%
84%
Shooters World Major Pistol
69%
90%
91%
Somchem MP200
66%
89%
100%
Somchem MS200
71%
90%
100%
Vihtavuori 3N37
73%
90%
100%
Vihtavuori 3N38
84%
88%
93%
Vihtavuori N105
91%
90%
97%
Vihtavuori N320
65%
86%
100%
Vihtavuori N32C Tin Star
90%
88%
100%
Vihtavuori N330
67%
88%
100%
Vihtavuori N340
71%
88%
100%
Vihtavuori N350
76%
90%
100%

Max Load - Barrel Length: 

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 100
61%
43%
87%
ADI AS 30
61%
73%
100%
ADI AS 50N
61%
79%
100%
Accurate No. 2
61%
74%
100%
Accurate No. 7
61%
66%
85%
Accurate No. 9
72%
74%
80%
Accurate Solo 1000
61%
75%
100%
Accurate Solo 1250
61%
65%
100%
Accurate TCM
69%
68%
81%
Alliant BLUE DOT
73%
57%
80%
Alliant BULLSEYE
61%
84%
100%
Alliant POWER PISTOL
61%
64%
92%
Alliant UNIQUE
61%
65%
100%
Baschieri & Pellagri 100
61%
72%
100%
Hodgdon Clays
61%
81%
100%
Hodgdon Universal
61%
76%
100%
Hodgdon TrailBoss
61%
23%
100%
Lovex D037.1
61%
66%
85%
Lovex D037.2
71%
73%
80%
Lovex S020
61%
78%
100%
Maxam CSB 1
61%
60%
100%
Maxam CSB 2
61%
66%
100%
Maxam CSB 3
61%
69%
100%
Maxam CSB 4
61%
74%
100%
Maxam CSB 5
61%
81%
100%
ReloadSwiss RS 14
61%
21%
99%
ReloadSwiss RS 20
61%
62%
100%
ReloadSwiss RS 24
61%
57%
84%
Rottweil P 806
61%
48%
93%
SNPE Vectan A0
61%
61%
100%
SNPE Vectan BA 9
61%
73%
100%
SNPE Vectan BA10
61%
83%
100%
SNPE Vectan BA7 1/2
61%
52%
96%
SNPE Vectan BA9 1/2
61%
72%
100%
Shooters World Heavy Pistol
71%
73%
80%
Shooters World Major Pistol
61%
66%
85%
Somchem MP200
61%
75%
100%
Somchem MS200
61%
69%
100%
Vihtavuori 3N37
61%
62%
98%
Vihtavuori 3N38
62%
44%
80%
Vihtavuori N105
66%
39%
81%
Vihtavuori N320
61%
78%
100%
Vihtavuori N32C Tin Star
61%
45%
100%
Vihtavuori N330
61%
73%
100%
Vihtavuori N340
61%
66%
100%
Vihtavuori N350
61%
55%
97%

Start Load - Barrel Length: 

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.

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