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Load data for .445 Super Mag. + .427 | 200gr | Rim Rock RNFP Cowboy
Recommended Powder(s): Alliant POWER PISTOL
Load Specifications
(Use the Personalized Load Calculator below to adjust )
Load data for 106 loads in caliber .445 Super Mag. with .427 | 200gr | Rim Rock RNFP Cowboy bullet and 53 powders such as Alliant POWER PISTOL. 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".
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A load must fulfill certain criteria to be listed in the default view below - see "powder criteria to fulfill to be listed".
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Our load data might deviate from other sources - see the "most common reasons for deviations".
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All loads are based on the bullet and case dimensions shown under "Load Specifications" - see "reloading suggestions" if you deviate.
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You can set your specifications in the "Personalized Load Calculator".
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Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
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We recommend you limit powder range to relevant brands to speed up re-calculation of results
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.
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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 | 81% | 88% | 100% | |||
ADI APS 350 | 66% | 88% | 100% | |||
ADI APS 450 | 68% | 90% | 100% | |||
ADI AS 30 | 66% | 87% | 100% | |||
Accurate 4100 | 83% | 89% | 83% | |||
Accurate No. 2 | 63% | 88% | 100% | |||
Accurate No. 7 | 63% | 89% | 95% | |||
Accurate No. 9 | 71% | 88% | 90% | |||
Accurate Solo 1000 | 65% | 88% | 100% | |||
Accurate Solo 1250 | 68% | 87% | 100% | |||
Accurate TCM | 71% | 89% | 91% | |||
Alliant 2400 | 80% | 90% | 87% | |||
Alliant BE-86 | 68% | 90% | 100% | |||
Alliant BLUE DOT | 82% | 89% | 94% | |||
Alliant Herco | 81% | 89% | 100% | |||
Alliant POWER PISTOL | 67% | 90% | 100% | |||
Alliant RED DOT | 68% | 88% | 100% | |||
Alliant UNIQUE | 68% | 89% | 100% | |||
Baschieri & Pellagri 100 | 65% | 88% | 100% | |||
Baschieri & Pellagri 102 Pistol | 82% | 89% | 100% | |||
Hodgdon Clays | 75% | 88% | 100% | |||
Hodgdon LilGun | 90% | 89% | 87% | |||
Hodgdon CFE Pistol | 65% | 89% | 100% | |||
Hodgdon TrailBoss | 95% | 51% | 100% | |||
Lovex D037.1 | 63% | 89% | 95% | |||
Lovex D037.2 | 70% | 89% | 90% | |||
Maxam CSB 1 | 71% | 88% | 100% | |||
Maxam CSB 2 | 66% | 87% | 100% | |||
Maxam CSB 3 | 67% | 88% | 100% | |||
Maxam CSB 4 | 65% | 89% | 100% | |||
Maxam CSB 5 | 63% | 89% | 100% | |||
Ramshot Enforcer | 80% | 88% | 88% | |||
ReloadSwiss RS 14 | 97% | 49% | 100% | |||
ReloadSwiss RS 20 | 68% | 88% | 100% | |||
ReloadSwiss RS 24 | 69% | 88% | 97% | |||
Rottweil P 806 | 71% | 89% | 100% | |||
SNPE Vectan A0 | 71% | 90% | 100% | |||
SNPE Vectan A1 | 65% | 90% | 100% | |||
SNPE Vectan BA 9 | 65% | 88% | 100% | |||
SNPE Vectan BA6 1/2 | 96% | 64% | 84% | |||
SNPE Vectan BA7 1/2 | 75% | 89% | 100% | |||
SNPE Vectan BA9 1/2 | 65% | 88% | 100% | |||
Shooters World Heavy Pistol | 70% | 89% | 90% | |||
Shooters World Major Pistol | 63% | 89% | 95% | |||
Somchem MS200 | 66% | 87% | 100% | |||
Vihtavuori 3N37 | 67% | 87% | 100% | |||
Vihtavuori 3N38 | 80% | 87% | 97% | |||
Vihtavuori N105 | 82% | 87% | 99% | |||
Vihtavuori N110 | 96% | 79% | 85% | |||
Vihtavuori N32C Tin Star | 94% | 88% | 100% | |||
Vihtavuori N340 | 66% | 87% | 100% | |||
Vihtavuori N350 | 72% | 88% | 100% | |||
Winchester AutoComp | 69% | 88% | 100% |
Max Load - Barrel Length: 5.50''
Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
ADI AP 100 | 61% | 50% | 94% | |||
ADI APS 350 | 61% | 79% | 100% | |||
ADI APS 450 | 61% | 77% | 100% | |||
ADI AS 30 | 61% | 77% | 100% | |||
Accurate 4100 | 78% | 75% | 80% | |||
Accurate No. 2 | 61% | 81% | 100% | |||
Accurate No. 7 | 61% | 82% | 94% | |||
Accurate No. 9 | 61% | 62% | 83% | |||
Accurate Solo 1000 | 61% | 78% | 100% | |||
Accurate Solo 1250 | 61% | 72% | 100% | |||
Accurate TCM | 61% | 63% | 85% | |||
Alliant 2400 | 71% | 66% | 81% | |||
Alliant BE-86 | 61% | 74% | 100% | |||
Alliant BLUE DOT | 61% | 47% | 82% | |||
Alliant Herco | 61% | 54% | 100% | |||
Alliant POWER PISTOL | 61% | 73% | 98% | |||
Alliant RED DOT | 61% | 75% | 100% | |||
Alliant UNIQUE | 61% | 74% | 100% | |||
Baschieri & Pellagri 100 | 61% | 78% | 100% | |||
Baschieri & Pellagri 102 Pistol | 61% | 52% | 100% | |||
Hodgdon Clays | 61% | 65% | 100% | |||
Hodgdon LilGun | 83% | 68% | 80% | |||
Hodgdon CFE Pistol | 61% | 80% | 100% | |||
Hodgdon TrailBoss | 60% | 26% | 100% | |||
Lovex D037.1 | 61% | 82% | 94% | |||
Lovex D037.2 | 61% | 63% | 83% | |||
Maxam CSB 1 | 61% | 68% | 100% | |||
Maxam CSB 2 | 61% | 75% | 100% | |||
Maxam CSB 3 | 61% | 76% | 100% | |||
Maxam CSB 4 | 61% | 79% | 100% | |||
Maxam CSB 5 | 61% | 86% | 100% | |||
Ramshot Enforcer | 70% | 62% | 80% | |||
ReloadSwiss RS 14 | 61% | 24% | 100% | |||
ReloadSwiss RS 20 | 61% | 71% | 100% | |||
ReloadSwiss RS 24 | 61% | 69% | 93% | |||
Rottweil P 806 | 61% | 63% | 99% | |||
SNPE Vectan A0 | 61% | 68% | 100% | |||
SNPE Vectan A1 | 61% | 81% | 100% | |||
SNPE Vectan BA 9 | 61% | 80% | 100% | |||
SNPE Vectan BA6 1/2 | 91% | 55% | 80% | |||
SNPE Vectan BA7 1/2 | 61% | 60% | 99% | |||
SNPE Vectan BA9 1/2 | 61% | 79% | 100% | |||
Shooters World Heavy Pistol | 61% | 63% | 83% | |||
Shooters World Major Pistol | 61% | 82% | 94% | |||
Somchem MS200 | 61% | 76% | 100% | |||
Vihtavuori 3N37 | 61% | 71% | 100% | |||
Vihtavuori 3N38 | 61% | 49% | 88% | |||
Vihtavuori N105 | 61% | 42% | 89% | |||
Vihtavuori N110 | 89% | 64% | 80% | |||
Vihtavuori N32C Tin Star | 61% | 44% | 100% | |||
Vihtavuori N340 | 61% | 75% | 100% | |||
Vihtavuori N350 | 61% | 61% | 100% | |||
Winchester AutoComp | 61% | 70% | 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.
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