Load data for .400 Cor-Bon + .4 | 220gr | Rim Rock FP

Recommended Powder(s): Hodgdon HS-6, Rottweil P 806, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.4 \| 220gr \| Rim Rock FP
Manufacturer SKU:	#134
Bullet Weight:	220gr \| 14.3g
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:	34954 psi \| 2410 bar
LID:	LID_B10577_C649
Last updated:	2026-01-20

Load data for 100 loads in caliber .400 Cor-Bon with .4 | 220gr | Rim Rock FP bullet and 50 powders such as Hodgdon HS-6, Rottweil P 806, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350. 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>>	95%	28572	82%	**66	96%
ADI AP 70N	<<locked>>	66%	30008	86%	**01	100%
ADI AS 50N	<<locked>>	73%	31038	89%	**1	100%
Accurate No. 2	<<locked>>	73%	29820	85%	**10	100%
[Accurate No. 7]*	<<locked>>	80%	31343	90%	**45	88%
Accurate Solo 1000	<<locked>>	74%	30719	88%	**2	100%
Accurate Solo 1250	<<locked>>	81%	31212	89%	**7	100%
[Accurate TCM]*	<<locked>>	88%	31140	89%	**22	83%
[Alliant BLUE DOT]*	<<locked>>	96%	26963	77%	**73	84%
Alliant BULLSEYE	<<locked>>	71%	31299	90%	**56	100%
Alliant POWER PISTOL	<<locked>>	81%	30618	88%	**29	96%
Alliant Sport Pistol	<<locked>>	66%	30530	87%	**50	100%
Alliant UNIQUE	<<locked>>	81%	30603	88%	**56	100%
Baschieri & Pellagri 100	<<locked>>	75%	29733	85%	**2	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	95%	30168	86%	**5	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	73%	31038	89%	**4	100%
Hodgdon HS-6 👍	<<locked>>	67%	30458	87%	**76	99%
Hodgdon Longshot	<<locked>>	64%	31169	89%	**83	100%
Hodgdon Universal	<<locked>>	74%	30008	86%	**01	100%
Hodgdon CFE Pistol	<<locked>>	77%	31024	89%	**14	100%
[Lovex D037.1]*	<<locked>>	80%	31343	90%	**45	88%
Lovex S011	<<locked>>	64%	30052	86%	**1	100%
Lovex S020	<<locked>>	73%	30356	87%	**20	100%
Maxam CSB 1	<<locked>>	84%	30908	88%	**1	100%
Maxam CSB 2	<<locked>>	82%	31111	89%	**04	100%
Maxam CSB 3	<<locked>>	78%	30458	87%	**8	100%
Maxam CSB 4	<<locked>>	75%	30574	87%	**1	100%
Ramshot Silhouette	<<locked>>	67%	30980	89%	**60	100%
ReloadSwiss RS 12	<<locked>>	71%	31241	89%	**4	100%
ReloadSwiss RS 20	<<locked>>	83%	30690	88%	**60	100%
ReloadSwiss RS 24	<<locked>>	85%	30414	87%	**19	90%
Rottweil P 801	<<locked>>	66%	31169	89%	**5	100%
Rottweil P 806 👍	<<locked>>	92%	30168	86%	**68	100%
SNPE Vectan A0	<<locked>>	83%	30763	88%	**14	100%
SNPE Vectan BA 9	<<locked>>	75%	30980	89%	**7	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	90%	31024	89%	**66	99%
SNPE Vectan BA9 1/2	<<locked>>	77%	31125	89%	**04	100%
SNPE Vectan SP 2	<<locked>>	78%	30327	87%	**38	98%
[Shooters World Major Pistol]*	<<locked>>	80%	31343	90%	**45	88%
Somchem MP200	<<locked>>	74%	30443	87%	**47	100%
Somchem MS200	<<locked>>	78%	30110	86%	**24	100%
Somchem S221	<<locked>>	71%	31212	89%	**15	94%
Vihtavuori 3N37 👍	<<locked>>	84%	31256	89%	**96	100%
Vihtavuori 3N38	<<locked>>	96%	30139	86%	**09	91%
Vihtavuori N105	<<locked>>	97%	23380	67%	**63	91%
Vihtavuori N320	<<locked>>	74%	31299	90%	**8	100%
Vihtavuori N330	<<locked>>	76%	30937	88%	**14	100%
Vihtavuori N340	<<locked>>	79%	29805	85%	**20	100%
Vihtavuori N350 👍	<<locked>>	85%	29805	85%	**73	100%
Winchester 231	<<locked>>	64%	31256	89%	**4	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	81%	19914	57%	**8	90%
ADI AP 70N	<<locked>>	61%	25672	73%	**1	100%
ADI AS 50N	<<locked>>	68%	27847	80%	**8	100%
Accurate No. 2	<<locked>>	66%	23540	67%	**5	100%
[Accurate No. 7]*	<<locked>>	68%	20450	59%	**1	80%
Accurate Solo 1000	<<locked>>	72%	29153	83%	**5	100%
Accurate Solo 1250	<<locked>>	73%	25005	72%	**5	100%
[Accurate TCM]*	<<locked>>	84%	27673	79%	**76	81%
[Alliant BLUE DOT]*	<<locked>>	89%	22060	63%	**7	81%
Alliant BULLSEYE	<<locked>>	62%	23917	68%	**1	100%
[Alliant POWER PISTOL]*	<<locked>>	64%	18289	52%	**5	88%
Alliant Sport Pistol	<<locked>>	61%	26107	75%	**4	100%
Alliant UNIQUE	<<locked>>	67%	21306	61%	**5	100%
Baschieri & Pellagri 100	<<locked>>	73%	28195	81%	**5	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	89%	26092	75%	**5	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	67%	26179	75%	**2	100%
Hodgdon HS-6	<<locked>>	62%	25599	73%	**14	98%
Hodgdon Longshot	<<locked>>	61%	27195	78%	**30	99%
Hodgdon Universal	<<locked>>	66%	24424	70%	**5	100%
Hodgdon CFE Pistol	<<locked>>	66%	23061	66%	**2	100%
[Lovex D037.1]*	<<locked>>	68%	20450	59%	**1	80%
Lovex S011	<<locked>>	60%	26890	77%	**8	100%
Lovex S020	<<locked>>	64%	22931	66%	**5	100%
Maxam CSB 1	<<locked>>	76%	25005	72%	**8	100%
Maxam CSB 2	<<locked>>	71%	23699	68%	**5	100%
Maxam CSB 3	<<locked>>	71%	25918	74%	**9	100%
Maxam CSB 4	<<locked>>	70%	27441	79%	**9	100%
Ramshot Silhouette	<<locked>>	61%	25686	73%	**4	100%
ReloadSwiss RS 12	<<locked>>	63%	24918	71%	**8	100%
ReloadSwiss RS 20	<<locked>>	69%	20015	57%	**5	100%
[ReloadSwiss RS 24]*	<<locked>>	68%	18086	52%	**2	81%
Rottweil P 801	<<locked>>	62%	27949	80%	**2	100%
Rottweil P 806	<<locked>>	72%	14968	43%	**5	92%
SNPE Vectan A0	<<locked>>	72%	22916	66%	**2	100%
SNPE Vectan BA 9	<<locked>>	66%	24207	69%	**2	100%
SNPE Vectan BA7 1/2	<<locked>>	75%	20711	59%	**5	96%
SNPE Vectan BA9 1/2	<<locked>>	67%	23946	69%	**5	100%
[SNPE Vectan SP 2]*	<<locked>>	61%	16955	48%	**2	89%
[Shooters World Major Pistol]*	<<locked>>	68%	20450	59%	**1	80%
Somchem MP200	<<locked>>	62%	21582	62%	**2	100%
Somchem MS200	<<locked>>	67%	22118	63%	**2	100%
[Somchem S221]*	<<locked>>	61%	21422	61%	**1	88%
Vihtavuori 3N37	<<locked>>	68%	19392	55%	**5	97%
[Vihtavuori 3N38]*	<<locked>>	79%	18405	53%	**8	82%
[Vihtavuori N105]*	<<locked>>	84%	16056	46%	**2	84%
Vihtavuori N320	<<locked>>	70%	27847	80%	**5	100%
Vihtavuori N330	<<locked>>	67%	23250	66%	**8	100%
Vihtavuori N340	<<locked>>	67%	21582	62%	**9	100%
Vihtavuori N350	<<locked>>	72%	19943	57%	**5	97%
Winchester 231	<<locked>>	61%	28166	81%	**1	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