Load data for 8 x 57 IRS + .323 | 185gr | Remington PSP Core-Lokt

Recommended Powder(s): ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S355

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.323 \| 185gr \| Remington PSP Core-Lokt
Bullet Weight:	185gr \| 12.0g
Bullet Diameter:	0.323" \| 8.20mm
Bullet Length:	1.000" \| 25.4mm
Caliber:	8 x 57 IRS load data
Case Length (l3):	2.244" \| 57.0mm
Cartridge Length (C.O.L.):	3.122" \| 79.3mm
Seated Depth:	0.122" \| 3.1mm
Shank Seated Depth:	0.122" \| 3.1mm
Case Capacity:	64.0 Grains of Water \| 4.16 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B5184_C1173
Last updated:	2025-01-01

Load data for 126 loads in caliber 8 x 57 IRS with .323 | 185gr | Remington PSP Core-Lokt bullet and 63 powders such as ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S355. 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 AR 2206H	<<locked>>	83%	42917	90%	**30	98%
ADI AR 2208	<<locked>>	88%	42917	90%	**16	97%
[Accurate 2700]*	<<locked>>	89%	42844	90%	**48	92%
Accurate 4064	<<locked>>	88%	42728	89%	**43	100%
Accurate 4350	<<locked>>	97%	41350	86%	**79	96%
Alliant Reloder- TS 15.5	<<locked>>	89%	42699	89%	**46	98%
Alliant Reloder-15	<<locked>>	86%	42438	89%	**43	97%
Alliant Reloder-16	<<locked>>	97%	42192	88%	**92	96%
Alliant Reloder-17	<<locked>>	93%	42453	89%	**31	98%
[Alliant Reloder-23]*	<<locked>>	97%	29646	62%	**13	92%
Baschieri & Pellagri 107	<<locked>>	84%	42351	88%	**43	96%
Hodgdon CFE223	<<locked>>	87%	42656	89%	**82	96%
Hodgdon H380	<<locked>>	88%	42308	88%	**30	96%
[Hodgdon H414]*	<<locked>>	92%	42511	89%	**75	93%
Hodgdon Hybrid 100V	<<locked>>	97%	38624	81%	**87	97%
Hodgdon LVR	<<locked>>	94%	43047	90%	**85	96%
Hodgdon VARGET	<<locked>>	88%	42511	89%	**10	97%
IMR 3031	<<locked>>	86%	42641	89%	**52	100%
IMR 4064	<<locked>>	89%	42873	90%	**03	97%
[IMR 4166 Enduron]*	<<locked>>	89%	42844	90%	**64	93%
[IMR 4350]*	<<locked>>	96%	42815	89%	**20	92%
[IMR 4451 Enduron]*	<<locked>>	90%	42380	89%	**87	93%
[IMR 4831]*	<<locked>>	97%	36100	75%	**54	94%
IMR 4895	<<locked>>	86%	42815	89%	**62	98%
Lovex D073.6	<<locked>>	84%	43004	90%	**46	100%
Lovex S062	<<locked>>	87%	42873	90%	**20	99%
Lovex S065	<<locked>>	93%	42453	89%	**03	95%
[Lovex S070]*	<<locked>>	95%	42627	89%	**26	93%
Norma 201	<<locked>>	84%	42931	90%	**07	99%
Norma 202	<<locked>>	83%	42554	89%	**10	100%
Norma 203B	<<locked>>	87%	42641	89%	**49	98%
Norma URP	<<locked>>	97%	42322	88%	**89	96%
Ramshot Big Game	<<locked>>	87%	42583	89%	**69	97%
[Ramshot Hunter]*	<<locked>>	97%	41640	87%	**66	94%
[ReloadSwiss RS 50]*	<<locked>>	88%	42728	89%	**10	94%
ReloadSwiss RS 52 👍	<<locked>>	88%	42453	89%	**85	99%
ReloadSwiss RS 60 👍	<<locked>>	94%	42757	89%	**51	99%
ReloadSwiss RS 62	<<locked>>	97%	41437	87%	**95	96%
ReloadSwiss RS 70	<<locked>>	97%	43018	90%	**18	95%
Rottweil R 902	<<locked>>	86%	43033	90%	**97	99%
Rottweil R 903 👍	<<locked>>	91%	42902	90%	**52	98%
[Rottweil R 907]*	<<locked>>	92%	42830	89%	**90	92%
SNPE Vectan SP 11	<<locked>>	90%	42598	89%	**72	98%
SNPE Vectan SP 7	<<locked>>	83%	42815	89%	**10	96%
SNPE Vectan SP 9	<<locked>>	84%	42641	89%	**23	98%
SNPE Vectan Tubal 5000	<<locked>>	88%	42409	89%	**38	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	94%	42728	89%	**74	93%
Shooters World Long Rifle	<<locked>>	93%	42453	89%	**03	95%
Shooters World Match Rifle	<<locked>>	84%	43004	90%	**46	100%
Shooters World Precision	<<locked>>	87%	42873	90%	**20	99%
Somchem S341	<<locked>>	83%	42540	89%	**16	98%
Somchem S355 👍	<<locked>>	90%	42714	89%	**39	98%
Somchem S365	<<locked>>	97%	37637	79%	**36	98%
Vihtavuori N133	<<locked>>	84%	42801	89%	**38	100%
Vihtavuori N135	<<locked>>	92%	42960	90%	**03	100%
Vihtavuori N140	<<locked>>	86%	42482	89%	**90	100%
Vihtavuori N150	<<locked>>	96%	42424	89%	**10	99%
Vihtavuori N160	<<locked>>	94%	43018	90%	**59	96%
Vihtavuori N540	<<locked>>	86%	42685	89%	**13	100%
Vihtavuori N550	<<locked>>	94%	43076	90%	**98	96%
[Vihtavuori N555]*	<<locked>>	97%	31053	65%	**88	93%
Winchester 6.5 StaBALL	<<locked>>	95%	42786	89%	**33	98%
[Winchester 760]*	<<locked>>	92%	42511	89%	**75	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	39929	83%	**74	97%
[ADI AR 2208]*	<<locked>>	81%	34316	72%	**33	94%
[Accurate 2700]*	<<locked>>	87%	39204	82%	**82	90%
Accurate 4064	<<locked>>	81%	33968	71%	**69	99%
[Accurate 4350]*	<<locked>>	85%	27963	58%	**67	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	33330	70%	**56	96%
Alliant Reloder-15	<<locked>>	81%	35795	75%	**05	95%
[Alliant Reloder-16]*	<<locked>>	85%	29486	62%	**80	90%
[Alliant Reloder-17]*	<<locked>>	81%	28819	60%	**90	92%
[Alliant Reloder-23]*	<<locked>>	93%	26803	56%	**24	90%
Baschieri & Pellagri 107	<<locked>>	81%	38885	81%	**70	95%
[Hodgdon CFE223]*	<<locked>>	81%	34127	71%	**95	93%
[Hodgdon H380]*	<<locked>>	81%	33721	70%	**52	93%
[Hodgdon H414]*	<<locked>>	87%	36390	76%	**51	90%
[Hodgdon Hybrid 100V]*	<<locked>>	83%	25106	52%	**33	90%
[Hodgdon LVR]*	<<locked>>	84%	30516	64%	**93	90%
[Hodgdon VARGET]*	<<locked>>	81%	33953	71%	**23	94%
IMR 3031	<<locked>>	81%	35984	75%	**28	100%
[IMR 4064]*	<<locked>>	81%	33446	70%	**10	94%
[IMR 4166 Enduron]*	<<locked>>	83%	36201	76%	**33	90%
[IMR 4350]*	<<locked>>	93%	38145	80%	**21	90%
[IMR 4451 Enduron]*	<<locked>>	85%	36419	76%	**62	90%
[IMR 4831]*	<<locked>>	88%	27833	58%	**38	90%
IMR 4895	<<locked>>	81%	36550	76%	**34	96%
Lovex D073.6	<<locked>>	81%	38595	81%	**64	99%
Lovex S062	<<locked>>	81%	35375	74%	**72	97%
[Lovex S065]*	<<locked>>	84%	31604	66%	**67	90%
[Lovex S070]*	<<locked>>	89%	34693	72%	**62	90%
Norma 201	<<locked>>	81%	39262	82%	**38	98%
Norma 202	<<locked>>	81%	39465	82%	**51	100%
Norma 203B	<<locked>>	81%	35056	73%	**92	96%
[Norma URP]*	<<locked>>	85%	28790	60%	**67	90%
Ramshot Big Game	<<locked>>	81%	34621	72%	**98	95%
[Ramshot Hunter]*	<<locked>>	90%	34084	71%	**92	90%
[ReloadSwiss RS 50]*	<<locked>>	81%	34258	72%	**26	90%
ReloadSwiss RS 52	<<locked>>	81%	33620	70%	**05	97%
[ReloadSwiss RS 60]*	<<locked>>	81%	28021	59%	**67	92%
[ReloadSwiss RS 62]*	<<locked>>	86%	29443	62%	**13	90%
[ReloadSwiss RS 70]*	<<locked>>	89%	33344	70%	**92	90%
Rottweil R 902	<<locked>>	81%	37492	78%	**92	98%
Rottweil R 903	<<locked>>	81%	30560	64%	**90	95%
[Rottweil R 907]*	<<locked>>	88%	37942	79%	**95	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	31879	67%	**39	94%
SNPE Vectan SP 7	<<locked>>	81%	40074	84%	**54	95%
SNPE Vectan SP 9	<<locked>>	81%	38464	80%	**41	97%
SNPE Vectan Tubal 5000	<<locked>>	81%	33533	70%	**74	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	88%	34998	73%	**23	90%
[Shooters World Long Rifle]*	<<locked>>	84%	31604	66%	**67	90%
Shooters World Match Rifle	<<locked>>	81%	38595	81%	**64	99%
Shooters World Precision	<<locked>>	81%	35375	74%	**72	97%
Somchem S341	<<locked>>	81%	39697	83%	**57	97%
Somchem S355	<<locked>>	81%	31720	66%	**03	95%
[Somchem S365]*	<<locked>>	82%	23366	49%	**29	90%
Vihtavuori N133	<<locked>>	81%	38305	80%	**62	100%
Vihtavuori N135	<<locked>>	81%	30835	64%	**64	99%
Vihtavuori N140	<<locked>>	81%	36898	77%	**85	100%
[Vihtavuori N150]*	<<locked>>	81%	27006	56%	**69	94%
[Vihtavuori N160]*	<<locked>>	82%	28964	61%	**41	90%
Vihtavuori N540	<<locked>>	81%	36448	76%	**95	99%
[Vihtavuori N550]*	<<locked>>	82%	28906	60%	**70	90%
[Vihtavuori N555]*	<<locked>>	92%	27151	57%	**70	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	27093	57%	**59	91%
[Winchester 760]*	<<locked>>	87%	36390	76%	**51	90%

Start Load - Barrel Length: 23.60''

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