Load data for .400 Cor-Bon + .401 | 140gr | Rim Rock FP

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, Somchem MP200, Somchem MS200, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.401 \| 140gr \| Rim Rock FP
Manufacturer SKU:	#126
Bullet Weight:	140gr \| 9.1g
Bullet Diameter:	0.401" \| 10.19mm
Bullet Length:	0.522" \| 13.3mm
Caliber:	.400 Cor-Bon load data
Case Length (l3):	0.899" \| 22.8mm
Cartridge Length (C.O.L.):	1.256" \| 31.9mm
Seated Depth:	0.165" \| 4.2mm
Shank Seated Depth:	0.165" \| 4.2mm
Case Capacity:	25.5 Grains of Water \| 1.65 cm³
Primer Size:	Large Pistol (LP)
Max. allowed Pressure:	34954 psi \| 2410 bar
LID:	LID_B10588_C649
Last updated:	2025-12-26

Load data for 112 loads in caliber .400 Cor-Bon with .401 | 140gr | Rim Rock FP bullet and 56 powders such as Alliant UNIQUE, ReloadSwiss RS 20, Somchem MP200, Somchem MS200, Vihtavuori N340. 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.

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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>>	96%	28616	82%	**60	92%
ADI AP 70N	<<locked>>	68%	30806	88%	**24	100%
ADI APS 350	<<locked>>	71%	31183	89%	**20	100%
ADI APS 450	<<locked>>	73%	31053	89%	**57	100%
ADI AS 30	<<locked>>	75%	30632	88%	**09	100%
ADI AS 50N	<<locked>>	73%	30574	87%	**58	100%
Accurate No. 2	<<locked>>	75%	31038	89%	**34	100%
[Accurate No. 7]*	<<locked>>	80%	31285	90%	**55	83%
Accurate Solo 1000	<<locked>>	75%	30879	88%	**35	100%
Accurate Solo 1250	<<locked>>	82%	31183	89%	**11	100%
Alliant BULLSEYE	<<locked>>	71%	30850	88%	**76	100%
Alliant POWER PISTOL	<<locked>>	83%	31241	89%	**62	93%
Alliant Sport Pistol	<<locked>>	66%	30560	87%	**70	100%
Alliant UNIQUE 👍	<<locked>>	82%	30951	89%	**83	100%
Baschieri & Pellagri 100	<<locked>>	76%	30530	87%	**45	100%
Hodgdon Clays	<<locked>>	69%	30197	86%	**24	100%
Hodgdon HS-6	<<locked>>	68%	31430	90%	**03	97%
Hodgdon Longshot	<<locked>>	64%	30806	88%	**90	98%
Hodgdon Universal	<<locked>>	75%	30806	88%	**24	100%
Hodgdon CFE Pistol	<<locked>>	78%	31256	89%	**21	100%
Hodgdon TrailBoss	<<locked>>	96%	12488	36%	**1	100%
[Lovex D037.1]*	<<locked>>	80%	31285	90%	**55	83%
Lovex S011	<<locked>>	66%	31401	90%	**81	100%
Lovex S020	<<locked>>	74%	30269	87%	**34	100%
Maxam CSB 1	<<locked>>	85%	31386	90%	**07	100%
Maxam CSB 2	<<locked>>	82%	30574	87%	**17	100%
Maxam CSB 3	<<locked>>	79%	30995	89%	**85	100%
Maxam CSB 4	<<locked>>	76%	31343	90%	**62	100%
Maxam CSB 5	<<locked>>	70%	30226	86%	**89	100%
Ramshot Silhouette	<<locked>>	68%	30879	88%	**80	100%
Ramshot True Blue	<<locked>>	64%	31372	90%	**96	98%
ReloadSwiss RS 12	<<locked>>	71%	30690	88%	**98	100%
ReloadSwiss RS 14	<<locked>>	97%	11298	32%	**8	100%
ReloadSwiss RS 20 👍	<<locked>>	84%	30835	88%	**83	100%
[ReloadSwiss RS 24]*	<<locked>>	86%	31401	90%	**52	86%
Rottweil P 801	<<locked>>	66%	31198	89%	**62	100%
Rottweil P 806	<<locked>>	93%	30850	88%	**04	98%
SNPE Vectan A0	<<locked>>	84%	30734	88%	**27	100%
SNPE Vectan BA 9	<<locked>>	76%	31444	90%	**11	100%
SNPE Vectan BA10	<<locked>>	68%	31038	89%	**57	100%
SNPE Vectan BA7 1/2	<<locked>>	90%	31140	89%	**80	98%
SNPE Vectan BA9 1/2	<<locked>>	77%	30676	88%	**07	100%
SNPE Vectan SP 2	<<locked>>	79%	31256	89%	**81	95%
[Shooters World Major Pistol]*	<<locked>>	80%	31285	90%	**55	83%
Somchem MP200 👍	<<locked>>	75%	30937	89%	**73	100%
Somchem MS200 👍	<<locked>>	80%	31227	89%	**47	100%
Somchem S221	<<locked>>	71%	30937	89%	**22	90%
Vihtavuori 3N37	<<locked>>	84%	30864	88%	**03	98%
[Vihtavuori 3N38]*	<<locked>>	97%	30255	87%	**19	87%
[Vihtavuori N105]*	<<locked>>	96%	22800	65%	**24	85%
Vihtavuori N320	<<locked>>	75%	31430	90%	**75	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	28282	81%	**50	100%
Vihtavuori N330	<<locked>>	78%	31314	90%	**37	100%
Vihtavuori N340 👍	<<locked>>	80%	30516	87%	**47	100%
Vihtavuori N350	<<locked>>	86%	30458	87%	**93	99%
Winchester 231	<<locked>>	65%	31314	90%	**01	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	72%	15403	44%	**42	80%
ADI AP 70N	<<locked>>	61%	24874	71%	**22	100%
ADI APS 350	<<locked>>	61%	24221	69%	**22	100%
ADI APS 450	<<locked>>	60%	22539	64%	**32	100%
ADI AS 30	<<locked>>	61%	21306	61%	**55	100%
ADI AS 50N	<<locked>>	61%	22568	65%	**30	100%
Accurate No. 2	<<locked>>	61%	19914	57%	**27	97%
[Accurate No. 7]*	<<locked>>	76%	27456	79%	**83	81%
Accurate Solo 1000	<<locked>>	61%	21712	62%	**91	100%
Accurate Solo 1250	<<locked>>	61%	17434	50%	**61	100%
Alliant BULLSEYE	<<locked>>	61%	23221	66%	**25	100%
[Alliant POWER PISTOL]*	<<locked>>	62%	16563	47%	**11	81%
Alliant Sport Pistol	<<locked>>	61%	25715	74%	**78	100%
Alliant UNIQUE	<<locked>>	60%	16868	48%	**88	97%
Baschieri & Pellagri 100	<<locked>>	61%	19885	57%	**68	100%
Hodgdon Clays	<<locked>>	61%	24410	70%	**35	100%
Hodgdon HS-6	<<locked>>	61%	24743	71%	**81	94%
Hodgdon Longshot	<<locked>>	61%	27369	78%	**34	97%
Hodgdon Universal	<<locked>>	61%	20494	59%	**40	100%
Hodgdon CFE Pistol	<<locked>>	61%	19232	55%	**11	100%
Hodgdon TrailBoss	<<locked>>	61%	6135	18%	**5	98%
[Lovex D037.1]*	<<locked>>	76%	27456	79%	**83	81%
Lovex S011	<<locked>>	61%	26948	77%	**12	100%
Lovex S020	<<locked>>	61%	20030	57%	**43	100%
Maxam CSB 1	<<locked>>	62%	16679	48%	**32	100%
Maxam CSB 2	<<locked>>	61%	17085	49%	**71	100%
Maxam CSB 3	<<locked>>	60%	18869	54%	**68	100%
Maxam CSB 4	<<locked>>	62%	21263	61%	**94	100%
Maxam CSB 5	<<locked>>	61%	23728	68%	**94	100%
Ramshot Silhouette	<<locked>>	61%	24743	71%	**68	99%
Ramshot True Blue	<<locked>>	61%	28718	82%	**47	97%
ReloadSwiss RS 12	<<locked>>	61%	22553	65%	**66	100%
ReloadSwiss RS 14	<<locked>>	60%	5511	16%	**9	92%
ReloadSwiss RS 20	<<locked>>	61%	15243	44%	**58	97%
[ReloadSwiss RS 24]*	<<locked>>	76%	22945	66%	**71	80%
Rottweil P 801	<<locked>>	61%	27064	77%	**06	100%
[Rottweil P 806]*	<<locked>>	65%	11589	33%	**19	80%
SNPE Vectan A0	<<locked>>	61%	16418	47%	**35	96%
SNPE Vectan BA 9	<<locked>>	61%	20233	58%	**14	100%
SNPE Vectan BA10	<<locked>>	61%	25512	73%	**78	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	13764	39%	**76	85%
SNPE Vectan BA9 1/2	<<locked>>	62%	20001	57%	**17	100%
[SNPE Vectan SP 2]*	<<locked>>	61%	16404	47%	**40	83%
[Shooters World Major Pistol]*	<<locked>>	76%	27456	79%	**83	81%
Somchem MP200	<<locked>>	61%	20001	57%	**57	98%
Somchem MS200	<<locked>>	61%	18391	53%	**98	98%
[Somchem S221]*	<<locked>>	61%	21495	61%	**25	83%
[Vihtavuori 3N37]*	<<locked>>	61%	15461	44%	**65	89%
[Vihtavuori 3N38]*	<<locked>>	85%	21930	63%	**45	80%
[Vihtavuori N105]*	<<locked>>	89%	18246	52%	**09	80%
Vihtavuori N320	<<locked>>	61%	20856	60%	**04	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	12198	35%	**5	100%
Vihtavuori N330	<<locked>>	61%	18855	54%	**20	100%
Vihtavuori N340	<<locked>>	61%	17463	50%	**84	97%
[Vihtavuori N350]*	<<locked>>	61%	14112	40%	**15	87%
Winchester 231	<<locked>>	61%	28253	81%	**55	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