Load data for 8 x 57 IRS + .323 | 220gr | A-Square MONO RN

Recommended Powder(s): Alliant Reloder-16, Alliant Reloder-17, Hodgdon Hybrid 100V, ReloadSwiss RS 60, Somchem S365

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.323 \| 220gr \| A-Square MONO RN
Bullet Weight:	220gr \| 14.3g
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_B381_C1173
Last updated:	2025-01-01

Load data for 108 loads in caliber 8 x 57 IRS with .323 | 220gr | A-Square MONO RN bullet and 54 powders such as Alliant Reloder-16, Alliant Reloder-17, Hodgdon Hybrid 100V, ReloadSwiss RS 60, Somchem S365. 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 2208	<<locked>>	84%	42844	90%	**16	99%
[ADI AR 2209]*	<<locked>>	96%	43062	90%	**79	93%
Accurate 2700	<<locked>>	85%	42902	90%	**70	95%
Accurate 3100	<<locked>>	97%	35694	75%	**54	95%
Accurate 4350	<<locked>>	92%	42438	89%	**92	98%
Alliant Reloder- TS 15.5	<<locked>>	84%	42670	89%	**39	100%
Alliant Reloder-16 👍	<<locked>>	92%	42743	89%	**11	99%
Alliant Reloder-17 👍	<<locked>>	88%	42612	89%	**38	100%
[Alliant Reloder-19]*	<<locked>>	97%	42482	89%	**79	93%
Alliant Reloder-23	<<locked>>	97%	34838	73%	**83	98%
Alliant Reloder-26	<<locked>>	97%	38290	80%	**11	97%
Hodgdon H380	<<locked>>	84%	43018	90%	**43	98%
Hodgdon H414	<<locked>>	87%	42641	89%	**92	96%
Hodgdon H4350	<<locked>>	93%	42772	89%	**33	95%
Hodgdon Hybrid 100V 👍	<<locked>>	95%	43033	90%	**75	100%
Hodgdon LVR	<<locked>>	89%	42438	89%	**75	98%
Hodgdon Superperformance	<<locked>>	90%	42511	89%	**02	95%
Hodgdon VARGET	<<locked>>	84%	42438	89%	**10	99%
IMR 4064	<<locked>>	84%	42801	89%	**10	99%
IMR 4166 Enduron	<<locked>>	84%	42685	89%	**77	96%
IMR 4350	<<locked>>	91%	42641	89%	**29	95%
IMR 4451 Enduron	<<locked>>	86%	42308	88%	**03	95%
IMR 4831	<<locked>>	96%	42467	89%	**75	98%
Lovex S065	<<locked>>	89%	42960	90%	**20	97%
Lovex S070	<<locked>>	90%	42743	89%	**36	96%
[Lovex S071]*	<<locked>>	96%	29762	62%	**23	92%
[Norma 204]*	<<locked>>	92%	42424	89%	**56	93%
[Norma MRP]*	<<locked>>	97%	38508	80%	**72	94%
Norma URP	<<locked>>	92%	42728	89%	**92	98%
Ramshot Hunter	<<locked>>	93%	42569	89%	**95	97%
ReloadSwiss RS 50	<<locked>>	83%	42569	89%	**16	96%
ReloadSwiss RS 52	<<locked>>	83%	42873	90%	**75	100%
ReloadSwiss RS 60 👍	<<locked>>	89%	42888	90%	**54	100%
ReloadSwiss RS 62	<<locked>>	92%	42453	89%	**15	98%
ReloadSwiss RS 70	<<locked>>	92%	42815	89%	**34	98%
Rottweil R 903	<<locked>>	86%	42511	89%	**43	100%
[Rottweil R 904]*	<<locked>>	95%	42946	90%	**36	92%
[Rottweil R 905]*	<<locked>>	97%	41220	86%	**62	93%
Rottweil R 907	<<locked>>	88%	42946	90%	**06	95%
SNPE Vectan SP 11	<<locked>>	85%	42728	89%	**75	99%
SNPE Vectan Tubal 5000	<<locked>>	84%	42264	88%	**31	100%
SNPE Vectan Tubal 7000	<<locked>>	89%	42772	89%	**80	96%
Shooters World Long Rifle	<<locked>>	89%	42960	90%	**20	97%
Somchem S355	<<locked>>	85%	42699	89%	**33	99%
Somchem S365 👍	<<locked>>	95%	42366	89%	**28	100%
Somchem S385	<<locked>>	97%	41539	87%	**52	95%
Vihtavuori N135	<<locked>>	87%	42699	89%	**80	100%
Vihtavuori N150	<<locked>>	91%	42946	90%	**13	100%
Vihtavuori N160	<<locked>>	89%	42525	89%	**52	98%
Vihtavuori N550	<<locked>>	89%	43047	90%	**92	98%
Vihtavuori N555	<<locked>>	97%	37782	79%	**56	98%
Winchester 6.5 StaBALL	<<locked>>	91%	42699	89%	**39	100%
Winchester 760	<<locked>>	87%	42641	89%	**92	96%
Winchester StaBALL HD	<<locked>>	97%	31227	65%	**70	97%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	39479	82%	**54	98%
[ADI AR 2209]*	<<locked>>	91%	36201	76%	**41	90%
[Accurate 2700]*	<<locked>>	81%	37550	78%	**72	93%
[Accurate 3100]*	<<locked>>	88%	26731	56%	**47	90%
[Accurate 4350]*	<<locked>>	81%	29327	61%	**23	94%
Alliant Reloder- TS 15.5	<<locked>>	81%	39102	82%	**70	99%
[Alliant Reloder-16]*	<<locked>>	81%	30298	63%	**36	94%
Alliant Reloder-17	<<locked>>	81%	33620	70%	**51	98%
[Alliant Reloder-19]*	<<locked>>	90%	34867	73%	**21	90%
[Alliant Reloder-23]*	<<locked>>	82%	22278	47%	**29	90%
[Alliant Reloder-26]*	<<locked>>	86%	26861	56%	**16	90%
Hodgdon H380	<<locked>>	81%	39334	82%	**77	97%
[Hodgdon H414]*	<<locked>>	81%	34664	72%	**28	93%
[Hodgdon H4350]*	<<locked>>	83%	31604	66%	**03	90%
Hodgdon Hybrid 100V	<<locked>>	81%	27717	58%	**51	95%
[Hodgdon LVR]*	<<locked>>	81%	32474	68%	**72	94%
[Hodgdon Superperformance]*	<<locked>>	82%	31966	67%	**78	90%
Hodgdon VARGET	<<locked>>	81%	39088	82%	**47	98%
IMR 4064	<<locked>>	81%	38595	81%	**31	98%
[IMR 4166 Enduron]*	<<locked>>	81%	38450	80%	**95	94%
[IMR 4350]*	<<locked>>	82%	31473	66%	**00	90%
[IMR 4451 Enduron]*	<<locked>>	81%	36521	76%	**88	93%
[IMR 4831]*	<<locked>>	81%	26136	55%	**21	92%
[Lovex S065]*	<<locked>>	81%	33866	71%	**42	94%
[Lovex S070]*	<<locked>>	81%	31879	67%	**16	92%
[Lovex S071]*	<<locked>>	93%	26731	56%	**47	90%
[Norma 204]*	<<locked>>	86%	35824	75%	**28	90%
[Norma MRP]*	<<locked>>	91%	32024	67%	**21	90%
[Norma URP]*	<<locked>>	81%	30008	63%	**26	94%
[Ramshot Hunter]*	<<locked>>	81%	29385	61%	**10	91%
ReloadSwiss RS 50	<<locked>>	81%	39595	83%	**57	95%
ReloadSwiss RS 52	<<locked>>	81%	39929	83%	**29	100%
ReloadSwiss RS 60	<<locked>>	81%	32706	68%	**41	98%
[ReloadSwiss RS 62]*	<<locked>>	81%	29370	61%	**36	93%
[ReloadSwiss RS 70]*	<<locked>>	81%	29747	62%	**36	92%
Rottweil R 903	<<locked>>	81%	36143	76%	**28	99%
[Rottweil R 904]*	<<locked>>	92%	38928	81%	**57	90%
[Rottweil R 905]*	<<locked>>	91%	34026	71%	**18	90%
[Rottweil R 907]*	<<locked>>	81%	34998	73%	**52	92%
SNPE Vectan SP 11	<<locked>>	81%	37144	78%	**74	98%
SNPE Vectan Tubal 5000	<<locked>>	81%	38696	81%	**75	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	81%	32808	69%	**90	92%
[Shooters World Long Rifle]*	<<locked>>	81%	33866	71%	**42	94%
Somchem S355	<<locked>>	81%	37159	78%	**31	99%
Somchem S365	<<locked>>	81%	27006	56%	**90	97%
[Somchem S385]*	<<locked>>	88%	31444	66%	**46	90%
Vihtavuori N135	<<locked>>	81%	36332	76%	**75	100%
Vihtavuori N150	<<locked>>	81%	31894	67%	**06	98%
Vihtavuori N160	<<locked>>	81%	32721	68%	**59	95%
Vihtavuori N550	<<locked>>	81%	33054	69%	**98	95%
[Vihtavuori N555]*	<<locked>>	81%	23119	48%	**82	91%
Winchester 6.5 StaBALL	<<locked>>	81%	31357	66%	**13	97%
[Winchester 760]*	<<locked>>	81%	34664	72%	**28	93%
[Winchester StaBALL HD]*	<<locked>>	87%	23308	49%	**08	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