Load data for 8 x 57 IRS + .323 | 139gr | Geco ZERO

Recommended Powder(s): Accurate 2495, Alliant AR-Comp, Hodgdon H322, IMR 3031

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.323 \| 139gr \| Geco ZERO
Manufacturer SKU:	2416971
Bullet Weight:	139gr \| 9.0g
Bullet Diameter:	0.323" \| 8.20mm
Bullet Length:	1.102" \| 28.0mm
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:	0.166" \| 4.2mm
Shank Seated Depth:	0.166" \| 4.2mm
Case Capacity:	64.0 Grains of Water \| 4.16 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B9033_C1173
Last updated:	2025-02-02

Load data for 120 loads in caliber 8 x 57 IRS with .323 | 139gr | Geco ZERO bullet and 60 powders such as Accurate 2495, Alliant AR-Comp, Hodgdon H322, IMR 3031. 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. 30.3 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>>	91%	42873	90%	**71	94%
[ADI AR 2208]*	<<locked>>	96%	42279	88%	**28	93%
Accurate 2015	<<locked>>	87%	42525	89%	**18	100%
[Accurate 2200]*	<<locked>>	88%	43033	90%	**12	92%
Accurate 2230	<<locked>>	85%	42511	89%	**22	95%
Accurate 2460	<<locked>>	86%	43018	90%	**44	97%
Accurate 2495 👍	<<locked>>	92%	42656	89%	**04	100%
Accurate 2520	<<locked>>	90%	42786	89%	**87	97%
Accurate 4064	<<locked>>	97%	41974	88%	**87	98%
Alliant AR-Comp 👍	<<locked>>	91%	42757	89%	**10	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	41626	87%	**71	95%
Alliant Reloder-10x	<<locked>>	84%	42569	89%	**28	100%
[Alliant Reloder-15]*	<<locked>>	95%	42815	89%	**81	93%
[Baschieri & Pellagri 107]*	<<locked>>	91%	42554	89%	**61	92%
Hodgdon BL-C2	<<locked>>	90%	42714	89%	**00	95%
Hodgdon Benchmark	<<locked>>	87%	42685	89%	**92	96%
Hodgdon H322 👍	<<locked>>	87%	42583	89%	**61	99%
[Hodgdon VARGET]*	<<locked>>	96%	42656	89%	**35	93%
Hodgdon TrailBoss	<<locked>>	96%	31488	66%	**11	100%
IMR 3031 👍	<<locked>>	95%	42714	89%	**33	99%
[IMR 4064]*	<<locked>>	97%	42395	89%	**25	93%
[IMR 4895]*	<<locked>>	94%	42960	90%	**04	94%
IMR 8208 XBR	<<locked>>	89%	42583	89%	**38	95%
Lovex D073.4	<<locked>>	84%	42772	89%	**31	96%
Lovex D073.5	<<locked>>	86%	42757	89%	**44	97%
Lovex D073.6	<<locked>>	92%	42148	88%	**77	97%
[Lovex S060]*	<<locked>>	90%	42757	89%	**85	94%
Lovex S062	<<locked>>	95%	42714	89%	**58	96%
Norma 201	<<locked>>	92%	43033	90%	**51	96%
Norma 202	<<locked>>	92%	42757	89%	**67	98%
[Norma 203B]*	<<locked>>	95%	42757	89%	**94	94%
[Ramshot Big Game]*	<<locked>>	95%	42670	89%	**94	93%
[Ramshot Wild Boar]*	<<locked>>	90%	42873	90%	**71	94%
[Ramshot X-Terminator]*	<<locked>>	86%	42540	89%	**02	93%
ReloadSwiss RS 14	<<locked>>	96%	31386	66%	**50	100%
ReloadSwiss RS 40	<<locked>>	85%	42525	89%	**38	97%
ReloadSwiss RS 52	<<locked>>	96%	42380	89%	**23	96%
Rottweil R 901	<<locked>>	88%	42569	89%	**25	98%
Rottweil R 902	<<locked>>	93%	42554	89%	**31	95%
[Rottweil R 903]*	<<locked>>	97%	38014	79%	**89	93%
[SNPE Vectan SP 11]*	<<locked>>	97%	40727	85%	**58	93%
[SNPE Vectan SP 9]*	<<locked>>	92%	42699	89%	**61	94%
SNPE Vectan Tubal 3000	<<locked>>	90%	42960	90%	**79	98%
SNPE Vectan Tubal 5000	<<locked>>	96%	42395	89%	**85	99%
Shooters World Match Rifle	<<locked>>	92%	42148	88%	**77	97%
Shooters World Precision	<<locked>>	95%	42714	89%	**58	96%
Shooters World Tactical Rifle	<<locked>>	83%	42786	89%	**99	95%
Somchem S321	<<locked>>	87%	42540	89%	**58	96%
Somchem S335	<<locked>>	90%	42467	89%	**92	99%
[Somchem S341]*	<<locked>>	91%	42627	89%	**35	93%
[Somchem S355]*	<<locked>>	97%	39827	83%	**15	93%
Vihtavuori N130	<<locked>>	86%	43004	90%	**89	100%
Vihtavuori N133	<<locked>>	92%	42989	90%	**95	100%
Vihtavuori N135	<<locked>>	97%	37637	79%	**62	99%
Vihtavuori N140	<<locked>>	94%	42699	89%	**38	98%
[Vihtavuori N150]*	<<locked>>	97%	33315	70%	**41	93%
Vihtavuori N530	<<locked>>	87%	42699	89%	**51	96%
Vihtavuori N540	<<locked>>	94%	42844	90%	**67	98%
Winchester 748	<<locked>>	88%	42888	90%	**07	97%
[Winchester StaBALL Match]*	<<locked>>	85%	42279	88%	**74	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	84%	34200	71%	**61	90%
[ADI AR 2208]*	<<locked>>	91%	36230	76%	**84	90%
Accurate 2015	<<locked>>	81%	35462	74%	**71	99%
[Accurate 2200]*	<<locked>>	86%	39160	82%	**30	90%
[Accurate 2230]*	<<locked>>	81%	36811	77%	**94	93%
Accurate 2460	<<locked>>	81%	36767	77%	**10	95%
Accurate 2495	<<locked>>	81%	29457	62%	**98	97%
[Accurate 2520]*	<<locked>>	81%	30560	64%	**08	93%
[Accurate 4064]*	<<locked>>	81%	24932	52%	**51	92%
Alliant AR-Comp	<<locked>>	81%	30980	65%	**41	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	88%	31285	65%	**18	90%
Alliant Reloder-10x	<<locked>>	81%	38943	81%	**62	100%
[Alliant Reloder-15]*	<<locked>>	89%	35926	75%	**30	90%
[Baschieri & Pellagri 107]*	<<locked>>	88%	38696	81%	**79	90%
[Hodgdon BL-C2]*	<<locked>>	81%	31125	65%	**21	91%
[Hodgdon Benchmark]*	<<locked>>	81%	35737	75%	**35	94%
Hodgdon H322	<<locked>>	81%	34577	72%	**84	97%
[Hodgdon VARGET]*	<<locked>>	91%	36405	76%	**87	90%
Hodgdon TrailBoss	<<locked>>	81%	25135	53%	**63	100%
IMR 3031	<<locked>>	81%	27398	57%	**36	95%
[IMR 4064]*	<<locked>>	91%	35476	74%	**64	90%
[IMR 4895]*	<<locked>>	87%	33620	70%	**80	90%
[IMR 8208 XBR]*	<<locked>>	81%	33272	70%	**18	92%
Lovex D073.4	<<locked>>	81%	38522	80%	**33	95%
Lovex D073.5	<<locked>>	81%	36361	76%	**00	95%
[Lovex D073.6]*	<<locked>>	81%	28631	60%	**49	92%
[Lovex S060]*	<<locked>>	82%	34127	71%	**85	90%
[Lovex S062]*	<<locked>>	84%	29907	62%	**43	90%
[Norma 201]*	<<locked>>	81%	30777	64%	**49	91%
[Norma 202]*	<<locked>>	81%	30385	63%	**75	94%
[Norma 203B]*	<<locked>>	88%	34055	71%	**87	90%
[Ramshot Big Game]*	<<locked>>	90%	35911	75%	**23	90%
[Ramshot Wild Boar]*	<<locked>>	83%	34214	71%	**71	90%
[Ramshot X-Terminator]*	<<locked>>	81%	36448	76%	**67	91%
ReloadSwiss RS 14	<<locked>>	81%	25121	52%	**06	100%
ReloadSwiss RS 40	<<locked>>	81%	37652	79%	**33	96%
[ReloadSwiss RS 52]*	<<locked>>	85%	29776	62%	**02	90%
Rottweil R 901	<<locked>>	81%	34069	71%	**31	95%
[Rottweil R 902]*	<<locked>>	82%	29675	62%	**13	90%
[Rottweil R 903]*	<<locked>>	91%	31560	66%	**31	90%
[SNPE Vectan SP 11]*	<<locked>>	92%	35621	74%	**23	90%
[SNPE Vectan SP 9]*	<<locked>>	85%	34040	71%	**51	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	32735	68%	**46	95%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	26382	55%	**92	93%
[Shooters World Match Rifle]*	<<locked>>	81%	28631	60%	**49	92%
[Shooters World Precision]*	<<locked>>	84%	29907	62%	**43	90%
[Shooters World Tactical Rifle]*	<<locked>>	81%	39784	83%	**33	94%
[Somchem S321]*	<<locked>>	81%	35099	73%	**84	93%
Somchem S335	<<locked>>	81%	32126	67%	**52	96%
[Somchem S341]*	<<locked>>	85%	34650	72%	**51	90%
[Somchem S355]*	<<locked>>	90%	32068	67%	**25	90%
Vihtavuori N130	<<locked>>	81%	36593	76%	**51	99%
Vihtavuori N133	<<locked>>	81%	30168	63%	**07	97%
[Vihtavuori N135]*	<<locked>>	81%	23308	49%	**59	93%
[Vihtavuori N140]*	<<locked>>	81%	28210	59%	**87	93%
[Vihtavuori N150]*	<<locked>>	92%	29037	61%	**23	90%
[Vihtavuori N530]*	<<locked>>	81%	34925	73%	**74	93%
[Vihtavuori N540]*	<<locked>>	81%	28007	59%	**03	92%
[Winchester 748]*	<<locked>>	81%	34011	71%	**97	93%
[Winchester StaBALL Match]*	<<locked>>	81%	36274	76%	**30	92%

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