Load data for 8 x 57 IRS + .323 | 200gr | Impala RNFP KO

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.323 \| 200gr \| Impala RNFP KO
Bullet Weight:	200gr \| 13.0g
Bullet Diameter:	0.323" \| 8.20mm
Bullet Length:	1.358" \| 34.5mm
Caliber:	8 x 57 IRS load data
Case Length (l3):	2.244" \| 57.0mm
Cartridge Length (C.O.L.):	3.180" \| 80.8mm
Seated Depth:	0.422" \| 10.7mm
Shank Seated Depth:	0.422" \| 10.7mm
Case Capacity:	64.0 Grains of Water \| 4.16 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B2999_C1173
Last updated:	2025-01-01

Load data for 118 loads in caliber 8 x 57 IRS with .323 | 200gr | Impala RNFP KO bullet and 59 powder(s). 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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Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
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Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

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.

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 2208	<<locked>>	88%	42743	89%	**62	97%
[Accurate 2700]*	<<locked>>	89%	42322	88%	**90	91%
Accurate 4064	<<locked>>	87%	42960	90%	**92	100%
Accurate 4350	<<locked>>	97%	41916	88%	**38	96%
Alliant Reloder- TS 15.5 👍	<<locked>>	88%	42482	89%	**92	99%
Alliant Reloder-15	<<locked>>	86%	42395	89%	**88	97%
Alliant Reloder-16	<<locked>>	96%	41945	88%	**38	96%
Alliant Reloder-17	<<locked>>	93%	42931	90%	**87	98%
[Alliant Reloder-23]*	<<locked>>	97%	30545	64%	**05	93%
Baschieri & Pellagri 107	<<locked>>	83%	42641	89%	**95	97%
Hodgdon CFE223	<<locked>>	87%	42612	89%	**31	96%
Hodgdon H380	<<locked>>	87%	42293	88%	**79	96%
[Hodgdon H414]*	<<locked>>	92%	42743	89%	**31	93%
[Hodgdon H4350]*	<<locked>>	97%	41133	86%	**43	91%
Hodgdon Hybrid 100V	<<locked>>	97%	39059	82%	**49	97%
Hodgdon LVR	<<locked>>	94%	42786	89%	**28	96%
Hodgdon VARGET	<<locked>>	88%	42467	89%	**59	97%
IMR 3031	<<locked>>	86%	42366	89%	**98	100%
IMR 4064	<<locked>>	89%	43004	90%	**59	97%
[IMR 4166 Enduron]*	<<locked>>	89%	42844	90%	**20	93%
[IMR 4350]*	<<locked>>	96%	42946	90%	**72	92%
[IMR 4451 Enduron]*	<<locked>>	90%	42482	89%	**43	93%
IMR 4831	<<locked>>	97%	36419	76%	**16	95%
IMR 4895	<<locked>>	85%	42409	89%	**08	98%
Lovex D073.6	<<locked>>	83%	42685	89%	**88	100%
Lovex S062	<<locked>>	87%	42931	90%	**69	99%
Lovex S065	<<locked>>	93%	42714	89%	**59	95%
[Lovex S070]*	<<locked>>	95%	42714	89%	**82	93%
Norma 203B	<<locked>>	86%	42366	89%	**98	98%
Norma URP	<<locked>>	97%	42351	88%	**41	96%
Ramshot Big Game	<<locked>>	87%	43004	90%	**28	98%
[Ramshot Hunter]*	<<locked>>	97%	42105	88%	**28	94%
[ReloadSwiss RS 50]*	<<locked>>	87%	42786	89%	**62	94%
ReloadSwiss RS 52 👍	<<locked>>	88%	42975	90%	**48	99%
ReloadSwiss RS 60 👍	<<locked>>	94%	42366	89%	**90	99%
ReloadSwiss RS 62	<<locked>>	97%	41640	87%	**51	96%
ReloadSwiss RS 70	<<locked>>	96%	42525	89%	**54	95%
Rottweil R 902	<<locked>>	85%	42873	90%	**49	99%
Rottweil R 903 👍	<<locked>>	91%	42598	89%	**98	98%
[Rottweil R 907]*	<<locked>>	92%	43004	90%	**52	92%
SNPE Vectan SP 11	<<locked>>	90%	42569	89%	**28	98%
SNPE Vectan SP 9	<<locked>>	84%	42873	90%	**82	98%
SNPE Vectan Tubal 5000	<<locked>>	88%	42540	89%	**93	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	94%	42641	89%	**29	93%
Shooters World Long Rifle	<<locked>>	93%	42714	89%	**59	95%
Shooters World Match Rifle	<<locked>>	83%	42685	89%	**88	100%
Shooters World Precision	<<locked>>	87%	42931	90%	**69	99%
Somchem S355 👍	<<locked>>	90%	42337	88%	**85	98%
Somchem S365	<<locked>>	97%	38232	80%	**02	98%
Vihtavuori N133	<<locked>>	84%	43047	90%	**97	100%
Vihtavuori N135	<<locked>>	91%	42206	88%	**43	100%
Vihtavuori N140	<<locked>>	85%	42424	89%	**43	100%
Vihtavuori N150	<<locked>>	96%	42902	90%	**69	99%
Vihtavuori N160	<<locked>>	94%	42917	90%	**08	96%
Vihtavuori N540	<<locked>>	86%	42728	89%	**72	100%
Vihtavuori N550	<<locked>>	94%	42844	90%	**48	96%
[Vihtavuori N555]*	<<locked>>	96%	31865	67%	**70	93%
Winchester 6.5 StaBALL	<<locked>>	95%	42322	88%	**72	98%
[Winchester 760]*	<<locked>>	92%	42743	89%	**31	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	34824	73%	**08	95%
[Accurate 2700]*	<<locked>>	86%	38580	81%	**21	90%
Accurate 4064	<<locked>>	81%	35694	75%	**57	99%
[Accurate 4350]*	<<locked>>	83%	27311	57%	**16	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	33866	71%	**24	96%
Alliant Reloder-15	<<locked>>	81%	36521	76%	**80	96%
[Alliant Reloder-16]*	<<locked>>	84%	29472	62%	**39	90%
[Alliant Reloder-17]*	<<locked>>	81%	29399	61%	**72	93%
[Alliant Reloder-23]*	<<locked>>	92%	26585	56%	**87	90%
Baschieri & Pellagri 107	<<locked>>	81%	39407	82%	**39	96%
[Hodgdon CFE223]*	<<locked>>	81%	35085	73%	**77	94%
[Hodgdon H380]*	<<locked>>	81%	34432	72%	**24	93%
[Hodgdon H414]*	<<locked>>	86%	35766	75%	**87	90%
[Hodgdon H4350]*	<<locked>>	94%	38261	80%	**83	90%
[Hodgdon Hybrid 100V]*	<<locked>>	81%	24816	52%	**95	90%
[Hodgdon LVR]*	<<locked>>	82%	30008	63%	**46	90%
Hodgdon VARGET	<<locked>>	81%	34563	72%	**05	95%
IMR 3031	<<locked>>	81%	36840	77%	**03	100%
IMR 4064	<<locked>>	81%	34403	72%	**92	95%
[IMR 4166 Enduron]*	<<locked>>	82%	35781	75%	**82	90%
[IMR 4350]*	<<locked>>	92%	38014	79%	**77	90%
[IMR 4451 Enduron]*	<<locked>>	85%	35940	75%	**11	90%
[IMR 4831]*	<<locked>>	87%	27325	57%	**93	90%
IMR 4895	<<locked>>	81%	37231	78%	**06	96%
Lovex D073.6	<<locked>>	81%	39494	83%	**29	99%
Lovex S062	<<locked>>	81%	36405	76%	**44	98%
[Lovex S065]*	<<locked>>	82%	30893	65%	**16	90%
[Lovex S070]*	<<locked>>	88%	34476	72%	**15	90%
Norma 203B	<<locked>>	81%	35897	75%	**70	96%
[Norma URP]*	<<locked>>	83%	28558	60%	**26	90%
Ramshot Big Game	<<locked>>	81%	35302	74%	**74	95%
[Ramshot Hunter]*	<<locked>>	90%	33837	71%	**51	90%
[ReloadSwiss RS 50]*	<<locked>>	81%	34954	73%	**05	91%
ReloadSwiss RS 52	<<locked>>	81%	34287	72%	**80	97%
[ReloadSwiss RS 60]*	<<locked>>	81%	28863	60%	**62	93%
[ReloadSwiss RS 62]*	<<locked>>	86%	29704	62%	**78	90%
[ReloadSwiss RS 70]*	<<locked>>	89%	33721	70%	**57	90%
Rottweil R 902	<<locked>>	81%	38493	80%	**67	98%
Rottweil R 903	<<locked>>	81%	31502	66%	**75	95%
[Rottweil R 907]*	<<locked>>	87%	37347	78%	**41	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	32416	68%	**15	94%
SNPE Vectan SP 9	<<locked>>	81%	39160	82%	**10	97%
SNPE Vectan Tubal 5000	<<locked>>	81%	34505	72%	**56	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	86%	34069	71%	**69	90%
[Shooters World Long Rifle]*	<<locked>>	82%	30893	65%	**16	90%
Shooters World Match Rifle	<<locked>>	81%	39494	83%	**29	99%
Shooters World Precision	<<locked>>	81%	36405	76%	**44	98%
Somchem S355	<<locked>>	81%	32793	69%	**92	95%
[Somchem S365]*	<<locked>>	81%	24062	50%	**21	91%
Vihtavuori N133	<<locked>>	81%	39349	82%	**31	100%
Vihtavuori N135	<<locked>>	81%	31633	66%	**46	100%
Vihtavuori N140	<<locked>>	81%	37289	78%	**54	100%
Vihtavuori N150	<<locked>>	81%	27963	58%	**64	95%
[Vihtavuori N160]*	<<locked>>	81%	28892	60%	**00	90%
Vihtavuori N540	<<locked>>	81%	36927	77%	**67	99%
[Vihtavuori N550]*	<<locked>>	81%	28863	60%	**36	90%
[Vihtavuori N555]*	<<locked>>	90%	26643	56%	**26	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	28065	59%	**57	92%
[Winchester 760]*	<<locked>>	86%	35766	75%	**87	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.