Load data for .400 Cor-Bon + .401 | 150gr | H&N KS HS

Recommended Powder(s): Alliant UNIQUE, Hodgdon Longshot, Rottweil P 806

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.401 \| 150gr \| H&N KS HS
Bullet Weight:	150gr \| 9.7g
Bullet Diameter:	0.401" \| 10.19mm
Bullet Length:	<<locked>>
Caliber:	.400 Cor-Bon load data
Case Length (l3):	0.899" \| 22.8mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	25.5 Grains of Water \| 1.65 cm³
Primer Size:	Large Pistol (LP)
Max. allowed Pressure:	34954 psi \| 2410 bar
LID:	LID_B7494_C649
Last updated:	2026-01-21

Load data for 114 loads in caliber .400 Cor-Bon with .401 | 150gr | H&N KS HS bullet and 57 powders such as Alliant UNIQUE, Hodgdon Longshot, Rottweil P 806. 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>>	97%	30850	88%	**73	95%
ADI AP 70N	<<locked>>	67%	31270	89%	**88	100%
ADI APS 350	<<locked>>	70%	30966	89%	**84	100%
ADI APS 450	<<locked>>	72%	30864	88%	**17	100%
ADI AS 30	<<locked>>	74%	30327	87%	**66	100%
ADI AS 50N	<<locked>>	72%	31357	90%	**32	100%
Accurate No. 2	<<locked>>	73%	30748	88%	**91	100%
[Accurate No. 7]*	<<locked>>	77%	30806	88%	**26	85%
Accurate Solo 1000	<<locked>>	73%	30748	88%	**02	100%
Accurate Solo 1250	<<locked>>	80%	31154	89%	**68	100%
[Alliant BLUE DOT]*	<<locked>>	97%	28761	82%	**63	83%
Alliant BULLSEYE	<<locked>>	70%	30850	88%	**34	100%
Alliant POWER PISTOL	<<locked>>	80%	30922	88%	**26	94%
Alliant Sport Pistol	<<locked>>	65%	30545	87%	**27	100%
Alliant UNIQUE 👍	<<locked>>	80%	30792	88%	**44	100%
Baschieri & Pellagri 100	<<locked>>	76%	31343	90%	**19	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	95%	30850	88%	**29	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	71%	30821	88%	**32	100%
Hodgdon Clays	<<locked>>	68%	30313	87%	**91	100%
Hodgdon HS-6	<<locked>>	66%	30966	89%	**63	98%
Hodgdon Longshot 👍	<<locked>>	63%	31328	90%	**67	99%
Hodgdon Universal	<<locked>>	74%	31270	89%	**88	100%
Hodgdon CFE Pistol	<<locked>>	76%	30850	88%	**78	100%
Hodgdon TrailBoss	<<locked>>	97%	12778	37%	**8	100%
[Lovex D037.1]*	<<locked>>	77%	30806	88%	**26	85%
Lovex S011	<<locked>>	64%	31285	89%	**39	100%
Lovex S020	<<locked>>	73%	31314	90%	**04	100%
Maxam CSB 1	<<locked>>	83%	31212	89%	**62	100%
Maxam CSB 2	<<locked>>	80%	30472	87%	**65	100%
Maxam CSB 3	<<locked>>	77%	30922	88%	**39	100%
Maxam CSB 4	<<locked>>	75%	31183	89%	**16	100%
Maxam CSB 5	<<locked>>	70%	31357	90%	**66	100%
Ramshot Silhouette	<<locked>>	66%	30632	88%	**30	100%
ReloadSwiss RS 12	<<locked>>	70%	31372	90%	**62	100%
ReloadSwiss RS 20	<<locked>>	82%	30792	88%	**44	100%
[ReloadSwiss RS 24]*	<<locked>>	83%	31111	89%	**16	88%
Rottweil P 801	<<locked>>	65%	30821	88%	**19	100%
Rottweil P 806 👍	<<locked>>	91%	31096	89%	**65	99%
SNPE Vectan A0	<<locked>>	82%	30618	88%	**91	100%
SNPE Vectan BA 9	<<locked>>	75%	31212	89%	**65	100%
SNPE Vectan BA10	<<locked>>	67%	30850	88%	**17	100%
SNPE Vectan BA7 1/2	<<locked>>	88%	30763	88%	**40	99%
SNPE Vectan BA9 1/2	<<locked>>	76%	31372	90%	**85	100%
SNPE Vectan SP 2	<<locked>>	77%	30995	89%	**39	96%
[Shooters World Major Pistol]*	<<locked>>	77%	30806	88%	**26	85%
Somchem MP200	<<locked>>	73%	30690	88%	**24	100%
Somchem MS200	<<locked>>	78%	30908	88%	**07	100%
Somchem S221	<<locked>>	70%	30908	88%	**90	92%
Vihtavuori 3N37	<<locked>>	81%	30560	87%	**63	99%
[Vihtavuori 3N38]*	<<locked>>	95%	30618	88%	**93	89%
[Vihtavuori N105]*	<<locked>>	96%	24656	71%	**40	89%
Vihtavuori N320	<<locked>>	73%	31430	90%	**32	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	28805	82%	**24	100%
Vihtavuori N330	<<locked>>	76%	31314	90%	**98	100%
Vihtavuori N340	<<locked>>	79%	31285	90%	**17	100%
Vihtavuori N350	<<locked>>	85%	31227	89%	**73	99%
Winchester 231	<<locked>>	63%	31198	89%	**55	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	68%	14040	40%	**79	80%
ADI AP 70N	<<locked>>	61%	26252	75%	**16	100%
ADI APS 350	<<locked>>	61%	25251	72%	**06	100%
ADI APS 450	<<locked>>	61%	23598	67%	**12	100%
ADI AS 30	<<locked>>	62%	22046	63%	**42	100%
ADI AS 50N	<<locked>>	61%	23351	67%	**07	100%
Accurate No. 2	<<locked>>	61%	20740	59%	**14	98%
[Accurate No. 7]*	<<locked>>	71%	23931	68%	**85	80%
Accurate Solo 1000	<<locked>>	62%	22626	65%	**71	100%
Accurate Solo 1250	<<locked>>	61%	18144	52%	**45	100%
[Alliant BLUE DOT]*	<<locked>>	93%	25933	74%	**04	80%
Alliant BULLSEYE	<<locked>>	61%	24047	69%	**12	100%
[Alliant POWER PISTOL]*	<<locked>>	61%	16969	49%	**94	83%
Alliant Sport Pistol	<<locked>>	61%	27557	79%	**81	100%
Alliant UNIQUE	<<locked>>	60%	17361	50%	**75	98%
Baschieri & Pellagri 100	<<locked>>	61%	20595	59%	**52	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	61%	12198	35%	**4	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	22176	63%	**04	100%
Hodgdon Clays	<<locked>>	61%	25643	73%	**22	100%
Hodgdon HS-6	<<locked>>	61%	26005	74%	**71	96%
Hodgdon Longshot	<<locked>>	61%	28674	82%	**21	98%
Hodgdon Universal	<<locked>>	61%	21031	60%	**20	100%
Hodgdon CFE Pistol	<<locked>>	61%	19769	57%	**91	100%
Hodgdon TrailBoss	<<locked>>	92%	11661	33%	**5	100%
[Lovex D037.1]*	<<locked>>	71%	23931	68%	**85	80%
Lovex S011	<<locked>>	61%	28021	80%	**93	100%
Lovex S020	<<locked>>	61%	20566	59%	**24	100%
Maxam CSB 1	<<locked>>	60%	16549	47%	**02	100%
Maxam CSB 2	<<locked>>	61%	17622	50%	**52	100%
Maxam CSB 3	<<locked>>	61%	19609	56%	**52	100%
Maxam CSB 4	<<locked>>	60%	21234	61%	**61	100%
Maxam CSB 5	<<locked>>	61%	24801	71%	**75	100%
Ramshot Silhouette	<<locked>>	61%	26339	75%	**62	100%
ReloadSwiss RS 12	<<locked>>	61%	23351	67%	**43	100%
ReloadSwiss RS 20	<<locked>>	60%	15795	45%	**45	99%
[ReloadSwiss RS 24]*	<<locked>>	71%	20755	59%	**93	80%
Rottweil P 801	<<locked>>	61%	27804	80%	**80	100%
[Rottweil P 806]*	<<locked>>	63%	10805	31%	**60	80%
SNPE Vectan A0	<<locked>>	61%	17056	49%	**22	98%
SNPE Vectan BA 9	<<locked>>	61%	20842	60%	**98	100%
SNPE Vectan BA10	<<locked>>	61%	26542	76%	**61	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	13953	40%	**60	87%
SNPE Vectan BA9 1/2	<<locked>>	61%	20552	59%	**98	100%
[SNPE Vectan SP 2]*	<<locked>>	61%	17289	49%	**37	86%
[Shooters World Major Pistol]*	<<locked>>	71%	23931	68%	**85	80%
Somchem MP200	<<locked>>	60%	20494	59%	**37	99%
Somchem MS200	<<locked>>	61%	18913	54%	**84	99%
[Somchem S221]*	<<locked>>	61%	22191	63%	**19	86%
Vihtavuori 3N37	<<locked>>	61%	15722	45%	**45	91%
[Vihtavuori 3N38]*	<<locked>>	80%	19566	56%	**70	80%
[Vihtavuori N105]*	<<locked>>	84%	16766	48%	**34	80%
Vihtavuori N320	<<locked>>	61%	21770	62%	**88	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	11879	34%	**2	100%
Vihtavuori N330	<<locked>>	61%	19711	56%	**04	100%
Vihtavuori N340	<<locked>>	61%	18072	52%	**75	99%
Vihtavuori N350	<<locked>>	61%	14518	42%	**12	90%
Winchester 231	<<locked>>	61%	29124	83%	**29	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