Load data for 8 x 57 IRS + .323 | 150gr | Ferrobull Entox Sport

Recommended Powder(s): Accurate 4064, IMR 3031, Norma 202, Vihtavuori N540

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.323 \| 150gr \| Ferrobull Entox Sport
Manufacturer SKU:	S-323-8mm-150
Bullet Weight:	150gr \| 9.7g
Bullet Diameter:	0.323" \| 8.20mm
Bullet Length:	1.087" \| 27.6mm
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:	0.151" \| 3.8mm
Shank Seated Depth:	0.151" \| 3.8mm
Case Capacity:	64.0 Grains of Water \| 4.16 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B9083_C1173
Last updated:	2025-01-01

Load data for 128 loads in caliber 8 x 57 IRS with .323 | 150gr | Ferrobull Entox Sport bullet and 64 powders such as Accurate 4064, IMR 3031, Norma 202, Vihtavuori N540. 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
Muzzle velocity vs. barrel length
Every 1 inch additional barrel length increases muzzle velocity by approx. 29.5 fps
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
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.
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>>	89%	42975	90%	**76	95%
[ADI AR 2208]*	<<locked>>	94%	42917	90%	**56	94%
Accurate 2015	<<locked>>	85%	42670	89%	**26	100%
[Accurate 2200]*	<<locked>>	86%	42569	89%	**20	93%
Accurate 2230	<<locked>>	83%	42815	89%	**40	96%
Accurate 2460	<<locked>>	83%	42583	89%	**46	97%
Accurate 2495	<<locked>>	89%	42844	90%	**05	100%
Accurate 2520	<<locked>>	88%	43018	90%	**08	98%
Accurate 4064 👍	<<locked>>	95%	42670	89%	**08	99%
Alliant AR-Comp	<<locked>>	88%	42989	90%	**08	100%
Alliant Reloder- TS 15.5	<<locked>>	95%	42554	89%	**95	96%
[Alliant Reloder-15]*	<<locked>>	93%	43033	90%	**02	94%
[Alliant Reloder-17]*	<<locked>>	97%	40001	84%	**92	94%
[Baschieri & Pellagri 107]*	<<locked>>	89%	42757	89%	**79	93%
Hodgdon BL-C2	<<locked>>	88%	42627	89%	**05	96%
Hodgdon Benchmark	<<locked>>	85%	42743	89%	**03	97%
[Hodgdon CFE223]*	<<locked>>	93%	42656	89%	**08	93%
Hodgdon H322	<<locked>>	85%	42612	89%	**66	99%
[Hodgdon H380]*	<<locked>>	94%	42351	88%	**72	92%
[Hodgdon VARGET]*	<<locked>>	94%	42699	89%	**43	94%
Hodgdon TrailBoss	<<locked>>	95%	31705	66%	**45	100%
IMR 3031 👍	<<locked>>	93%	42540	89%	**25	100%
[IMR 4064]*	<<locked>>	95%	42859	90%	**46	94%
IMR 4895	<<locked>>	92%	42569	89%	**02	95%
IMR 8208 XBR	<<locked>>	87%	42467	89%	**49	96%
Lovex D073.5	<<locked>>	84%	42844	90%	**49	97%
Lovex D073.6	<<locked>>	90%	43018	90%	**08	98%
Lovex S060	<<locked>>	87%	42264	88%	**94	95%
Lovex S062	<<locked>>	93%	42772	89%	**69	97%
Norma 201	<<locked>>	89%	42772	89%	**56	97%
Norma 202 👍	<<locked>>	89%	42844	90%	**76	99%
Norma 203B	<<locked>>	93%	43018	90%	**02	95%
[Ramshot Big Game]*	<<locked>>	93%	42714	89%	**08	94%
[Ramshot TAC]*	<<locked>>	87%	42975	90%	**30	91%
Ramshot Wild Boar	<<locked>>	88%	42931	90%	**89	95%
Ramshot X-Terminator	<<locked>>	84%	42743	89%	**20	95%
ReloadSwiss RS 14	<<locked>>	97%	32416	68%	**01	100%
ReloadSwiss RS 40	<<locked>>	83%	42902	90%	**53	98%
ReloadSwiss RS 52	<<locked>>	94%	42830	89%	**48	97%
[ReloadSwiss RS 60]*	<<locked>>	97%	38928	81%	**66	94%
Rottweil R 901	<<locked>>	86%	42583	89%	**33	98%
Rottweil R 902	<<locked>>	91%	43004	90%	**46	97%
Rottweil R 903	<<locked>>	96%	40973	86%	**72	95%
SNPE Vectan SP 11	<<locked>>	96%	42569	89%	**08	95%
[SNPE Vectan SP 7]*	<<locked>>	89%	43062	90%	**53	92%
SNPE Vectan SP 9	<<locked>>	89%	42525	89%	**66	95%
SNPE Vectan Tubal 3000	<<locked>>	88%	42844	90%	**84	99%
SNPE Vectan Tubal 5000	<<locked>>	95%	43004	90%	**00	99%
Shooters World Match Rifle	<<locked>>	90%	43018	90%	**08	98%
Shooters World Precision	<<locked>>	93%	42772	89%	**69	97%
Somchem S321	<<locked>>	85%	42641	89%	**69	97%
Somchem S335	<<locked>>	88%	42743	89%	**03	99%
Somchem S341	<<locked>>	89%	42670	89%	**56	95%
Somchem S355	<<locked>>	97%	42656	89%	**82	96%
Vihtavuori N130	<<locked>>	84%	42496	89%	**80	100%
Vihtavuori N133	<<locked>>	90%	42583	89%	**94	100%
Vihtavuori N135	<<locked>>	97%	40712	85%	**33	100%
Vihtavuori N140	<<locked>>	92%	42859	90%	**53	99%
Vihtavuori N150	<<locked>>	97%	36027	75%	**21	95%
Vihtavuori N530	<<locked>>	85%	42873	90%	**62	97%
Vihtavuori N540 👍	<<locked>>	92%	42989	90%	**79	99%
[Winchester 6.5 StaBALL]*	<<locked>>	97%	38087	80%	**38	93%
Winchester 748	<<locked>>	86%	42757	89%	**18	98%
Winchester StaBALL Match	<<locked>>	83%	42511	89%	**85	96%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	33678	70%	**59	91%
[ADI AR 2208]*	<<locked>>	86%	33736	70%	**46	90%
Accurate 2015	<<locked>>	81%	38174	80%	**31	100%
[Accurate 2200]*	<<locked>>	82%	36506	76%	**82	90%
Accurate 2230	<<locked>>	81%	39740	83%	**71	95%
Accurate 2460	<<locked>>	81%	39421	82%	**84	97%
Accurate 2495	<<locked>>	81%	32198	67%	**75	99%
Accurate 2520	<<locked>>	81%	33243	69%	**89	95%
[Accurate 4064]*	<<locked>>	81%	27093	57%	**31	94%
Alliant AR-Comp	<<locked>>	81%	33620	70%	**18	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	83%	28776	60%	**64	90%
[Alliant Reloder-15]*	<<locked>>	84%	32909	69%	**69	90%
[Alliant Reloder-17]*	<<locked>>	92%	33692	70%	**25	90%
[Baschieri & Pellagri 107]*	<<locked>>	83%	34780	73%	**02	90%
[Hodgdon BL-C2]*	<<locked>>	81%	33199	69%	**92	93%
Hodgdon Benchmark	<<locked>>	81%	37971	79%	**02	96%
[Hodgdon CFE223]*	<<locked>>	88%	36158	76%	**54	90%
Hodgdon H322	<<locked>>	81%	37304	78%	**61	98%
[Hodgdon H380]*	<<locked>>	90%	36796	77%	**48	90%
[Hodgdon VARGET]*	<<locked>>	86%	33417	70%	**30	90%
Hodgdon TrailBoss	<<locked>>	86%	27340	57%	**54	100%
IMR 3031	<<locked>>	81%	29240	61%	**16	97%
[IMR 4064]*	<<locked>>	86%	32706	68%	**10	90%
[IMR 4895]*	<<locked>>	82%	30879	65%	**26	90%
[IMR 8208 XBR]*	<<locked>>	81%	35636	74%	**89	94%
Lovex D073.5	<<locked>>	81%	39175	82%	**77	97%
[Lovex D073.6]*	<<locked>>	81%	30806	64%	**30	94%
[Lovex S060]*	<<locked>>	81%	35056	73%	**26	92%
[Lovex S062]*	<<locked>>	81%	29530	62%	**51	91%
[Norma 201]*	<<locked>>	81%	32866	69%	**26	93%
Norma 202	<<locked>>	81%	32634	68%	**43	96%
[Norma 203B]*	<<locked>>	83%	31343	65%	**26	90%
[Ramshot Big Game]*	<<locked>>	85%	33040	69%	**72	90%
[Ramshot TAC]*	<<locked>>	84%	39494	83%	**61	90%
[Ramshot Wild Boar]*	<<locked>>	81%	34229	72%	**89	92%
[Ramshot X-Terminator]*	<<locked>>	81%	38798	81%	**35	93%
ReloadSwiss RS 14	<<locked>>	81%	25425	53%	**44	100%
ReloadSwiss RS 40	<<locked>>	81%	39900	83%	**87	97%
[ReloadSwiss RS 52]*	<<locked>>	81%	27644	58%	**57	90%
[ReloadSwiss RS 60]*	<<locked>>	91%	32489	68%	**85	90%
Rottweil R 901	<<locked>>	81%	36419	76%	**95	97%
[Rottweil R 902]*	<<locked>>	81%	31227	65%	**74	92%
[Rottweil R 903]*	<<locked>>	86%	28863	60%	**77	90%
[SNPE Vectan SP 11]*	<<locked>>	87%	32576	68%	**66	90%
[SNPE Vectan SP 7]*	<<locked>>	85%	37478	78%	**31	90%
[SNPE Vectan SP 9]*	<<locked>>	81%	32024	67%	**23	91%
SNPE Vectan Tubal 3000	<<locked>>	81%	34853	73%	**16	97%
SNPE Vectan Tubal 5000	<<locked>>	81%	28253	59%	**72	95%
[Shooters World Match Rifle]*	<<locked>>	81%	30806	64%	**30	94%
[Shooters World Precision]*	<<locked>>	81%	29530	62%	**51	91%
Somchem S321	<<locked>>	81%	37869	79%	**67	95%
Somchem S335	<<locked>>	81%	34055	71%	**16	97%
[Somchem S341]*	<<locked>>	81%	32967	69%	**36	91%
[Somchem S355]*	<<locked>>	85%	29907	62%	**80	90%
Vihtavuori N130	<<locked>>	81%	38711	81%	**05	100%
Vihtavuori N133	<<locked>>	81%	32532	68%	**80	98%
Vihtavuori N135	<<locked>>	81%	25034	52%	**43	95%
Vihtavuori N140	<<locked>>	81%	30487	64%	**74	96%
[Vihtavuori N150]*	<<locked>>	87%	26687	56%	**69	90%
Vihtavuori N530	<<locked>>	81%	37101	78%	**38	95%
Vihtavuori N540	<<locked>>	81%	30124	63%	**80	95%
[Winchester 6.5 StaBALL]*	<<locked>>	92%	32416	68%	**97	90%
Winchester 748	<<locked>>	81%	36492	76%	**80	96%
[Winchester StaBALL Match]*	<<locked>>	81%	38899	81%	**13	94%

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