Load data for 7.7 X 58 mm Arisaka + .310 | 123gr | Barnes TAC-X

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.310 \| 123gr \| Barnes TAC-X
Manufacturer SKU:	30387
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_B648_C1134
Last updated:	2026-03-25
Recommended Twist Rate:	1:16 - 1:13

Load data for 116 loads in caliber 7.7 X 58 mm Arisaka with .310 | 123gr | Barnes TAC-X bullet and 58 powders such as Accurate 2495, Alliant AR-Comp, 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>>	90%	39914	89%	**81	92%
[ADI AR 2208]*	<<locked>>	95%	40016	89%	**44	91%
[ADI Benchmark 8208]*	<<locked>>	88%	40277	90%	**61	94%
Accurate 2015	<<locked>>	86%	40030	89%	**48	99%
[Accurate 2230]*	<<locked>>	84%	39885	89%	**38	93%
Accurate 2460	<<locked>>	85%	40132	89%	**67	96%
Accurate 2495 👍	<<locked>>	92%	40263	90%	**40	99%
Accurate 2520	<<locked>>	90%	40176	89%	**20	97%
Accurate 4064	<<locked>>	96%	39073	87%	**07	97%
Alliant AR-Comp 👍	<<locked>>	90%	40408	90%	**43	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	97%	40292	90%	**23	94%
[Alliant Reloder-15]*	<<locked>>	94%	39987	89%	**00	92%
[Bofors RP3]*	<<locked>>	97%	39073	87%	**00	94%
[Hodgdon BL-C2]*	<<locked>>	89%	40161	89%	**20	94%
Hodgdon Benchmark	<<locked>>	86%	40030	89%	**15	95%
Hodgdon H322	<<locked>>	86%	40219	89%	**97	98%
[Hodgdon H4895]*	<<locked>>	90%	40074	89%	**97	93%
[Hodgdon VARGET]*	<<locked>>	95%	40393	90%	**61	91%
Hodgdon TrailBoss	<<locked>>	96%	31125	69%	**67	100%
IMR 3031 👍	<<locked>>	94%	39813	89%	**56	99%
[IMR 4064]*	<<locked>>	96%	40321	90%	**51	92%
[IMR 4895]*	<<locked>>	93%	40059	89%	**20	93%
[IMR 8208 XBR]*	<<locked>>	88%	40277	90%	**61	94%
Lovex D073.4	<<locked>>	83%	39900	89%	**41	95%
Lovex D073.5	<<locked>>	85%	39668	88%	**61	95%
Lovex D073.6	<<locked>>	92%	40451	90%	**27	97%
[Lovex S060]*	<<locked>>	89%	40234	89%	**12	93%
[Lovex S062]*	<<locked>>	95%	40277	90%	**77	94%
[Norma 201]*	<<locked>>	91%	39914	89%	**58	94%
Norma 202	<<locked>>	91%	40451	90%	**00	97%
[Norma 203B]*	<<locked>>	94%	39972	89%	**04	92%
[Ramshot Big Game]*	<<locked>>	94%	40016	89%	**00	92%
[Ramshot Wild Boar]*	<<locked>>	89%	39711	88%	**77	92%
[Ramshot X-Terminator]*	<<locked>>	85%	40001	89%	**22	92%
ReloadSwiss RS 14	<<locked>>	96%	31082	69%	**06	100%
ReloadSwiss RS 40	<<locked>>	84%	40393	90%	**67	96%
[ReloadSwiss RS 60]*	<<locked>>	97%	38406	85%	**17	94%
Rottweil R 901	<<locked>>	88%	39958	89%	**51	97%
[Rottweil R 902]*	<<locked>>	92%	39987	89%	**54	94%
[Rottweil R 903]*	<<locked>>	97%	36564	81%	**31	92%
[SNPE Vectan SP 9]*	<<locked>>	91%	40379	90%	**77	92%
SNPE Vectan Tubal 3000	<<locked>>	88%	39972	89%	**95	97%
SNPE Vectan Tubal 5000	<<locked>>	95%	39798	89%	**08	98%
Shooters World Match Rifle	<<locked>>	92%	40451	90%	**27	97%
[Shooters World Precision]*	<<locked>>	95%	40277	90%	**77	94%
Somchem S321	<<locked>>	86%	40147	89%	**81	95%
Somchem S335	<<locked>>	89%	39900	89%	**18	98%
[Somchem S341]*	<<locked>>	90%	39610	88%	**44	92%
[Somchem S355]*	<<locked>>	96%	37855	84%	**41	92%
Vihtavuori N130	<<locked>>	85%	40466	90%	**18	100%
Vihtavuori N133	<<locked>>	91%	39842	89%	**15	99%
Vihtavuori N135	<<locked>>	96%	35781	80%	**02	98%
Vihtavuori N140	<<locked>>	93%	40437	90%	**77	98%
[Vihtavuori N150]*	<<locked>>	97%	32271	72%	**84	92%
Vihtavuori N530	<<locked>>	87%	40437	90%	**81	95%
Vihtavuori N540	<<locked>>	93%	40045	89%	**90	97%
Winchester 748	<<locked>>	87%	40292	90%	**30	95%
[Winchester StaBALL Match]*	<<locked>>	84%	39784	88%	**94	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	86%	34983	78%	**56	90%
[ADI AR 2208]*	<<locked>>	92%	37057	82%	**82	90%
[ADI Benchmark 8208]*	<<locked>>	81%	31995	71%	**54	91%
Accurate 2015	<<locked>>	81%	33982	76%	**13	98%
[Accurate 2230]*	<<locked>>	81%	35331	79%	**36	92%
[Accurate 2460]*	<<locked>>	81%	35056	78%	**43	94%
Accurate 2495	<<locked>>	81%	27586	61%	**21	96%
[Accurate 2520]*	<<locked>>	81%	28906	64%	**31	92%
[Accurate 4064]*	<<locked>>	82%	23612	53%	**80	90%
Alliant AR-Comp	<<locked>>	81%	29863	66%	**90	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	90%	32024	71%	**03	90%
[Alliant Reloder-15]*	<<locked>>	91%	36376	81%	**12	90%
[Bofors RP3]*	<<locked>>	90%	31241	69%	**03	90%
[Hodgdon BL-C2]*	<<locked>>	82%	31198	69%	**94	90%
[Hodgdon Benchmark]*	<<locked>>	81%	34635	77%	**84	93%
Hodgdon H322	<<locked>>	81%	33562	75%	**33	96%
[Hodgdon H4895]*	<<locked>>	84%	33025	73%	**13	90%
[Hodgdon VARGET]*	<<locked>>	93%	37550	84%	**92	90%
Hodgdon TrailBoss	<<locked>>	81%	24424	54%	**09	100%
[IMR 3031]*	<<locked>>	81%	26107	58%	**66	93%
[IMR 4064]*	<<locked>>	93%	36709	82%	**69	90%
[IMR 4895]*	<<locked>>	89%	34432	77%	**79	90%
[IMR 8208 XBR]*	<<locked>>	81%	31995	71%	**54	91%
[Lovex D073.4]*	<<locked>>	81%	36912	82%	**82	94%
[Lovex D073.5]*	<<locked>>	81%	34650	77%	**33	93%
[Lovex D073.6]*	<<locked>>	81%	27035	60%	**72	91%
[Lovex S060]*	<<locked>>	84%	34751	77%	**71	90%
[Lovex S062]*	<<locked>>	86%	30269	67%	**28	90%
[Norma 201]*	<<locked>>	82%	30342	67%	**18	90%
[Norma 202]*	<<locked>>	81%	28892	64%	**05	93%
[Norma 203B]*	<<locked>>	90%	34983	78%	**89	90%
[Ramshot Big Game]*	<<locked>>	91%	36550	81%	**18	90%
[Ramshot Wild Boar]*	<<locked>>	85%	35056	78%	**62	90%
[Ramshot X-Terminator]*	<<locked>>	81%	35317	79%	**10	90%
ReloadSwiss RS 14	<<locked>>	81%	24482	54%	**49	100%
ReloadSwiss RS 40	<<locked>>	81%	35984	80%	**69	95%
[ReloadSwiss RS 60]*	<<locked>>	91%	32010	71%	**33	90%
[Rottweil R 901]*	<<locked>>	81%	32445	72%	**61	94%
[Rottweil R 902]*	<<locked>>	84%	30574	68%	**15	90%
[Rottweil R 903]*	<<locked>>	93%	32460	72%	**30	90%
[SNPE Vectan SP 9]*	<<locked>>	87%	34795	77%	**46	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	31488	70%	**95	94%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	25353	56%	**25	92%
[Shooters World Match Rifle]*	<<locked>>	81%	27035	60%	**72	91%
[Shooters World Precision]*	<<locked>>	86%	30269	67%	**28	90%
[Somchem S321]*	<<locked>>	81%	33692	75%	**23	92%
Somchem S335	<<locked>>	81%	30618	68%	**85	95%
[Somchem S341]*	<<locked>>	86%	35520	79%	**53	90%
[Somchem S355]*	<<locked>>	92%	33040	73%	**20	90%
Vihtavuori N130	<<locked>>	81%	35317	79%	**07	99%
Vihtavuori N133	<<locked>>	81%	28950	64%	**49	96%
[Vihtavuori N135]*	<<locked>>	81%	22002	49%	**82	91%
[Vihtavuori N140]*	<<locked>>	81%	26963	60%	**20	92%
[Vihtavuori N150]*	<<locked>>	94%	29370	65%	**02	90%
[Vihtavuori N530]*	<<locked>>	81%	33214	74%	**10	92%
[Vihtavuori N540]*	<<locked>>	81%	26803	60%	**39	91%
[Winchester 748]*	<<locked>>	81%	32793	73%	**40	92%
[Winchester StaBALL Match]*	<<locked>>	81%	34911	78%	**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.

<<locked>>... you need to buy an access license to unlock the data