Load data for .400 Cor-Bon + .400 | 165gr | Sierra JHP FN

Recommended Powder(s): Alliant Herco, Hodgdon Longshot, Rottweil P 806, SNPE Vectan A0

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.400 \| 165gr \| Sierra Sports Master
Manufacturer SKU:	8445
Bullet Weight:	165gr \| 10.7g
Bullet Diameter:	0.400" \| 10.16mm
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:	35001 psi \| 2413 bar
LID:	LID_B5963_C649
Last updated:	2026-02-12

Load data for 120 loads in caliber .400 Cor-Bon with .400 | 165gr | Sierra Sports Master bullet and 60 powders such as Alliant Herco, Hodgdon Longshot, Rottweil P 806, SNPE Vectan A0. 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>>	96%	29892	86%	**32	94%
ADI AP 70N	<<locked>>	67%	31444	90%	**70	100%
ADI APS 350	<<locked>>	70%	31198	89%	**79	100%
ADI APS 450	<<locked>>	71%	30690	88%	**12	100%
ADI AS 30	<<locked>>	74%	30763	88%	**58	100%
ADI AS 50N	<<locked>>	70%	30327	87%	**01	100%
Accurate No. 2	<<locked>>	73%	30589	88%	**70	100%
[Accurate No. 7]*	<<locked>>	78%	30821	88%	**94	85%
Accurate Solo 1000	<<locked>>	74%	31328	90%	**94	100%
Accurate Solo 1250	<<locked>>	79%	30719	88%	**43	100%
Alliant BE-86	<<locked>>	78%	30995	89%	**40	100%
[Alliant BLUE DOT]*	<<locked>>	96%	28224	81%	**35	82%
Alliant BULLSEYE	<<locked>>	70%	31299	90%	**19	100%
Alliant Herco 👍	<<locked>>	95%	31009	89%	**22	100%
Alliant POWER PISTOL	<<locked>>	81%	31343	90%	**01	94%
Alliant RED DOT	<<locked>>	77%	31415	90%	**84	100%
Alliant Sport Pistol	<<locked>>	66%	31241	89%	**19	100%
Alliant UNIQUE	<<locked>>	81%	31444	90%	**32	100%
Baschieri & Pellagri 100	<<locked>>	75%	30777	88%	**94	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	95%	31270	89%	**17	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	72%	31241	89%	**24	100%
Hodgdon Clays	<<locked>>	68%	30356	87%	**86	100%
Hodgdon HS-6	<<locked>>	66%	30748	88%	**35	98%
Hodgdon Longshot 👍	<<locked>>	63%	30922	88%	**39	99%
Hodgdon Universal	<<locked>>	74%	31444	90%	**70	100%
Hodgdon CFE Pistol	<<locked>>	75%	30618	88%	**57	100%
Hodgdon TrailBoss	<<locked>>	97%	13692	39%	**6	100%
[Lovex D037.1]*	<<locked>>	78%	30821	88%	**94	85%
Lovex S011	<<locked>>	65%	31096	89%	**20	100%
Lovex S020	<<locked>>	72%	30327	87%	**76	100%
Maxam CSB 1	<<locked>>	83%	31154	89%	**47	100%
Maxam CSB 2	<<locked>>	80%	30705	88%	**53	100%
Maxam CSB 3	<<locked>>	78%	31140	89%	**24	100%
Maxam CSB 4	<<locked>>	74%	31038	89%	**04	100%
Maxam CSB 5	<<locked>>	70%	31459	90%	**55	100%
Ramshot Silhouette	<<locked>>	66%	31154	89%	**19	100%
ReloadSwiss RS 12	<<locked>>	70%	31459	90%	**43	100%
ReloadSwiss RS 14	<<locked>>	95%	12053	34%	**6	100%
ReloadSwiss RS 20	<<locked>>	82%	30690	88%	**19	100%
[ReloadSwiss RS 24]*	<<locked>>	84%	31285	90%	**91	88%
Rottweil P 801	<<locked>>	64%	30734	88%	**01	100%
Rottweil P 806 👍	<<locked>>	91%	31430	90%	**53	99%
SNPE Vectan A0 👍	<<locked>>	83%	31212	89%	**73	100%
SNPE Vectan BA 9	<<locked>>	74%	30458	87%	**43	100%
SNPE Vectan BA10	<<locked>>	67%	30676	88%	**12	100%
SNPE Vectan BA7 1/2	<<locked>>	88%	30400	87%	**09	98%
SNPE Vectan BA9 1/2	<<locked>>	75%	30400	87%	**50	100%
SNPE Vectan SP 2	<<locked>>	77%	30226	86%	**04	96%
[Shooters World Major Pistol]*	<<locked>>	78%	30821	88%	**94	85%
Somchem MP200	<<locked>>	73%	30603	88%	**06	100%
Somchem MS200	<<locked>>	78%	31314	90%	**93	100%
Somchem S221	<<locked>>	70%	30472	87%	**58	91%
Vihtavuori 3N37	<<locked>>	82%	30995	89%	**52	99%
[Vihtavuori 3N38]*	<<locked>>	95%	30472	87%	**68	89%
[Vihtavuori N105]*	<<locked>>	96%	24221	69%	**22	89%
Vihtavuori N320	<<locked>>	73%	31256	89%	**14	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	29138	83%	**15	100%
Vihtavuori N330	<<locked>>	76%	31241	89%	**73	100%
Vihtavuori N340	<<locked>>	79%	30589	87%	**86	100%
Vihtavuori N350	<<locked>>	86%	31198	89%	**52	99%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	66%	13822	40%	**8	80%
ADI AP 70N	<<locked>>	61%	27006	77%	**07	100%
ADI APS 350	<<locked>>	60%	24743	71%	**7	100%
ADI APS 450	<<locked>>	61%	23554	67%	**14	100%
ADI AS 30	<<locked>>	61%	22495	64%	**40	100%
ADI AS 50N	<<locked>>	61%	23496	67%	**99	100%
Accurate No. 2	<<locked>>	60%	20450	59%	**06	98%
[Accurate No. 7]*	<<locked>>	71%	23830	68%	**76	81%
Accurate Solo 1000	<<locked>>	60%	22133	63%	**60	100%
Accurate Solo 1250	<<locked>>	61%	18347	53%	**47	100%
Alliant BE-86	<<locked>>	61%	18855	54%	**56	100%
[Alliant BLUE DOT]*	<<locked>>	93%	25773	74%	**93	81%
Alliant BULLSEYE	<<locked>>	60%	23525	67%	**91	100%
Alliant Herco	<<locked>>	61%	13358	38%	**8	95%
[Alliant POWER PISTOL]*	<<locked>>	61%	17289	49%	**12	84%
Alliant RED DOT	<<locked>>	62%	21756	62%	**47	100%
Alliant Sport Pistol	<<locked>>	60%	26716	76%	**50	100%
Alliant UNIQUE	<<locked>>	61%	18188	52%	**89	99%
Baschieri & Pellagri 100	<<locked>>	61%	20856	60%	**53	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	60%	12749	36%	**9	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	22307	64%	**09	100%
Hodgdon Clays	<<locked>>	60%	25034	72%	**14	100%
Hodgdon HS-6	<<locked>>	61%	26150	75%	**63	96%
Hodgdon Longshot	<<locked>>	61%	28834	82%	**02	98%
Hodgdon Universal	<<locked>>	61%	22017	63%	**25	100%
Hodgdon CFE Pistol	<<locked>>	60%	20204	58%	**89	100%
Hodgdon TrailBoss	<<locked>>	86%	11240	32%	**3	100%
[Lovex D037.1]*	<<locked>>	71%	23830	68%	**76	81%
Lovex S011	<<locked>>	60%	27470	79%	**75	100%
Lovex S020	<<locked>>	62%	21959	63%	**45	100%
Maxam CSB 1	<<locked>>	61%	17521	50%	**27	100%
Maxam CSB 2	<<locked>>	61%	18420	53%	**63	100%
Maxam CSB 3	<<locked>>	61%	20450	58%	**66	100%
Maxam CSB 4	<<locked>>	61%	21770	62%	**66	100%
Maxam CSB 5	<<locked>>	62%	25353	73%	**76	100%
Ramshot Silhouette	<<locked>>	61%	26107	75%	**43	100%
ReloadSwiss RS 12	<<locked>>	61%	24555	70%	**52	100%
ReloadSwiss RS 14	<<locked>>	87%	10515	30%	**0	100%
ReloadSwiss RS 20	<<locked>>	61%	16549	47%	**66	99%
[ReloadSwiss RS 24]*	<<locked>>	71%	20726	59%	**84	80%
Rottweil P 801	<<locked>>	61%	28369	81%	**71	100%
[Rottweil P 806]*	<<locked>>	61%	10805	31%	**1	82%
SNPE Vectan A0	<<locked>>	61%	17579	50%	**33	98%
SNPE Vectan BA 9	<<locked>>	60%	20769	59%	**93	100%
SNPE Vectan BA10	<<locked>>	62%	27006	77%	**63	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	14721	42%	**1	88%
SNPE Vectan BA9 1/2	<<locked>>	60%	20392	58%	**93	100%
[SNPE Vectan SP 2]*	<<locked>>	61%	17782	51%	**48	87%
[Shooters World Major Pistol]*	<<locked>>	71%	23830	68%	**76	81%
Somchem MP200	<<locked>>	61%	21161	61%	**45	99%
Somchem MS200	<<locked>>	61%	19841	57%	**96	100%
[Somchem S221]*	<<locked>>	61%	22495	64%	**04	86%
Vihtavuori 3N37	<<locked>>	62%	16621	48%	**73	92%
[Vihtavuori 3N38]*	<<locked>>	79%	19247	55%	**55	80%
[Vihtavuori N105]*	<<locked>>	83%	16650	48%	**29	81%
Vihtavuori N320	<<locked>>	60%	21886	63%	**83	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	13256	38%	**6	100%
Vihtavuori N330	<<locked>>	61%	20421	58%	**12	100%
Vihtavuori N340	<<locked>>	60%	18130	52%	**70	99%
Vihtavuori N350	<<locked>>	61%	15084	43%	**27	91%

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