Load data for 7.7 X 58 mm Arisaka + .310 | 123gr | Hornady SST

Recommended Powder(s): Accurate 2495, IMR 3031

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.310 \| 123gr \| Hornady SST
Manufacturer SKU:	3142
Bullet Weight:	123gr \| 8.0g
Bullet Diameter:	0.310" \| 7.87mm
Bullet Length:	<<locked>>
Caliber:	7.7 X 58 mm Arisaka load data
Case Length (l3):	2.270" \| 57.7mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	61.0 Grains of Water \| 3.96 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B10913_C1134
Last updated:	2026-03-21

Load data for 110 loads in caliber 7.7 X 58 mm Arisaka with .310 | 123gr | Hornady SST bullet and 55 powders such as Accurate 2495, 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".

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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>>	89%	39697	88%	**58	92%
[ADI Benchmark 8208]*	<<locked>>	87%	40030	89%	**44	94%
Accurate 2015	<<locked>>	85%	39842	89%	**35	99%
[Accurate 2230]*	<<locked>>	84%	40059	89%	**25	93%
Accurate 2460	<<locked>>	84%	40466	90%	**58	95%
Accurate 2495 👍	<<locked>>	91%	39668	88%	**20	99%
Accurate 2520	<<locked>>	89%	40045	89%	**04	96%
Accurate 4064	<<locked>>	97%	40263	90%	**20	98%
Alliant AR-Comp	<<locked>>	89%	40176	89%	**33	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	96%	39798	89%	**90	94%
[Alliant Reloder-15]*	<<locked>>	93%	40045	89%	**87	91%
[Bofors RP3]*	<<locked>>	97%	39755	88%	**00	94%
[Hodgdon BL-C2]*	<<locked>>	89%	40176	89%	**07	94%
Hodgdon Benchmark	<<locked>>	85%	39987	89%	**95	95%
Hodgdon H322	<<locked>>	86%	39769	88%	**77	98%
[Hodgdon H4895]*	<<locked>>	89%	40016	89%	**81	93%
Hodgdon TrailBoss	<<locked>>	97%	31604	70%	**67	100%
IMR 3031 👍	<<locked>>	94%	40350	90%	**46	99%
[IMR 4064]*	<<locked>>	96%	40379	90%	**44	92%
[IMR 4895]*	<<locked>>	93%	40074	89%	**04	92%
[IMR 8208 XBR]*	<<locked>>	87%	40030	89%	**44	94%
Lovex D073.5	<<locked>>	84%	39987	89%	**51	95%
Lovex D073.6	<<locked>>	91%	40045	89%	**04	96%
[Lovex S060]*	<<locked>>	88%	39711	88%	**82	92%
[Lovex S062]*	<<locked>>	94%	40016	89%	**58	94%
[Norma 201]*	<<locked>>	90%	39813	89%	**44	94%
Norma 202	<<locked>>	91%	40437	90%	**84	97%
[Norma 203B]*	<<locked>>	94%	39856	89%	**87	92%
[Ramshot Wild Boar]*	<<locked>>	88%	39639	88%	**61	92%
[Ramshot X-Terminator]*	<<locked>>	84%	39842	89%	**02	92%
ReloadSwiss RS 14	<<locked>>	97%	31589	70%	**06	100%
ReloadSwiss RS 40	<<locked>>	83%	39798	89%	**41	96%
[ReloadSwiss RS 60]*	<<locked>>	97%	39175	87%	**27	94%
Rottweil R 901	<<locked>>	87%	39958	89%	**38	97%
[Rottweil R 902]*	<<locked>>	92%	40089	89%	**38	94%
[Rottweil R 903]*	<<locked>>	97%	37536	83%	**41	92%
[SNPE Vectan SP 11]*	<<locked>>	97%	40234	89%	**04	92%
[SNPE Vectan SP 9]*	<<locked>>	91%	40306	90%	**71	92%
SNPE Vectan Tubal 3000	<<locked>>	88%	40364	90%	**89	97%
SNPE Vectan Tubal 5000	<<locked>>	95%	40422	90%	**12	98%
Shooters World Match Rifle	<<locked>>	91%	40045	89%	**04	96%
[Shooters World Precision]*	<<locked>>	94%	40016	89%	**58	94%
[Somchem S321]*	<<locked>>	85%	40016	89%	**64	94%
Somchem S335	<<locked>>	89%	39929	89%	**02	98%
[Somchem S341]*	<<locked>>	89%	39595	88%	**41	92%
[Somchem S355]*	<<locked>>	97%	38595	86%	**51	93%
Vihtavuori N130	<<locked>>	85%	40074	89%	**99	100%
Vihtavuori N133	<<locked>>	91%	39987	89%	**05	99%
Vihtavuori N135	<<locked>>	96%	36274	81%	**95	98%
Vihtavuori N140	<<locked>>	92%	39987	89%	**54	97%
[Vihtavuori N150]*	<<locked>>	97%	32648	73%	**77	92%
[Vihtavuori N530]*	<<locked>>	86%	40016	89%	**64	94%
Vihtavuori N540	<<locked>>	93%	39958	89%	**74	97%
Winchester 748	<<locked>>	86%	40176	89%	**10	95%
[Winchester StaBALL Match]*	<<locked>>	85%	40393	90%	**87	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	85%	34809	77%	**40	90%
[ADI Benchmark 8208]*	<<locked>>	81%	32561	72%	**54	91%
Accurate 2015	<<locked>>	81%	34809	77%	**20	98%
[Accurate 2230]*	<<locked>>	81%	36201	81%	**40	92%
[Accurate 2460]*	<<locked>>	81%	35911	80%	**56	94%
Accurate 2495	<<locked>>	81%	28689	64%	**38	96%
[Accurate 2520]*	<<locked>>	81%	29878	66%	**44	92%
[Accurate 4064]*	<<locked>>	81%	24178	54%	**80	90%
Alliant AR-Comp	<<locked>>	81%	30472	68%	**94	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	89%	32300	72%	**03	90%
[Alliant Reloder-15]*	<<locked>>	91%	36970	82%	**18	90%
[Bofors RP3]*	<<locked>>	90%	31981	71%	**10	90%
[Hodgdon BL-C2]*	<<locked>>	83%	31865	71%	**03	90%
[Hodgdon Benchmark]*	<<locked>>	81%	35215	78%	**84	93%
Hodgdon H322	<<locked>>	81%	34069	76%	**33	96%
[Hodgdon H4895]*	<<locked>>	83%	33069	74%	**03	90%
Hodgdon TrailBoss	<<locked>>	81%	24860	55%	**06	100%
[IMR 3031]*	<<locked>>	81%	26731	59%	**72	94%
[IMR 4064]*	<<locked>>	93%	36709	82%	**59	90%
[IMR 4895]*	<<locked>>	89%	34940	78%	**82	90%
[IMR 8208 XBR]*	<<locked>>	81%	32561	72%	**54	91%
[Lovex D073.5]*	<<locked>>	81%	35650	79%	**49	94%
[Lovex D073.6]*	<<locked>>	81%	28007	62%	**95	91%
[Lovex S060]*	<<locked>>	84%	35027	78%	**64	90%
[Lovex S062]*	<<locked>>	85%	30545	68%	**25	90%
[Norma 201]*	<<locked>>	82%	31198	69%	**21	90%
[Norma 202]*	<<locked>>	81%	29747	66%	**18	93%
[Norma 203B]*	<<locked>>	90%	34940	78%	**72	90%
[Ramshot Wild Boar]*	<<locked>>	85%	35636	79%	**66	90%
[Ramshot X-Terminator]*	<<locked>>	81%	35795	80%	**07	90%
ReloadSwiss RS 14	<<locked>>	81%	24889	55%	**49	100%
ReloadSwiss RS 40	<<locked>>	81%	36724	82%	**72	95%
[ReloadSwiss RS 60]*	<<locked>>	91%	32184	72%	**20	90%
[Rottweil R 901]*	<<locked>>	81%	33417	74%	**74	94%
[Rottweil R 902]*	<<locked>>	84%	31314	70%	**15	90%
[Rottweil R 903]*	<<locked>>	93%	32605	73%	**20	90%
[SNPE Vectan SP 11]*	<<locked>>	94%	36854	82%	**15	90%
[SNPE Vectan SP 9]*	<<locked>>	87%	35505	79%	**56	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	32140	71%	**95	94%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	25875	58%	**28	92%
[Shooters World Match Rifle]*	<<locked>>	81%	28007	62%	**95	91%
[Shooters World Precision]*	<<locked>>	85%	30545	68%	**25	90%
[Somchem S321]*	<<locked>>	81%	34461	77%	**33	92%
Somchem S335	<<locked>>	81%	31256	70%	**89	95%
[Somchem S341]*	<<locked>>	86%	36158	80%	**49	90%
[Somchem S355]*	<<locked>>	92%	33156	74%	**17	90%
Vihtavuori N130	<<locked>>	81%	35795	80%	**00	99%
Vihtavuori N133	<<locked>>	81%	29776	66%	**56	96%
[Vihtavuori N135]*	<<locked>>	81%	22611	50%	**92	92%
[Vihtavuori N140]*	<<locked>>	81%	27891	62%	**36	92%
[Vihtavuori N150]*	<<locked>>	94%	29791	66%	**95	90%
[Vihtavuori N530]*	<<locked>>	81%	34229	76%	**13	92%
[Vihtavuori N540]*	<<locked>>	81%	27470	61%	**43	91%
[Winchester 748]*	<<locked>>	81%	33257	74%	**30	92%
[Winchester StaBALL Match]*	<<locked>>	81%	35534	79%	**69	91%

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.

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