Load data for .30-40 Krag + .310 | 123gr | Hornady SST

Recommended Powder(s): Accurate 2495, Alliant AR-Comp, 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:	0.990" \| 25.1mm
Caliber:	.30-40 Krag load data
Case Length (l3):	2.314" \| 58.8mm
Cartridge Length (C.O.L.):	3.043" \| 77.3mm
Seated Depth:	0.261" \| 6.6mm
Shank Seated Depth:	0.261" \| 6.6mm
Case Capacity:	58.0 Grains of Water \| 3.77 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47137 psi \| 3250 bar
LID:	LID_B10913_C334
Last updated:	2025-02-02

Load data for 110 loads in caliber .30-40 Krag with .310 | 123gr | Hornady SST bullet and 55 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
No data yet
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>>	93%	42380	90%	**71	93%
ADI AR 2219	<<locked>>	83%	42264	90%	**74	98%
Accurate 2015	<<locked>>	88%	41887	89%	**25	99%
[Accurate 2230]*	<<locked>>	86%	41727	89%	**15	94%
Accurate 2460	<<locked>>	87%	42206	90%	**41	96%
Accurate 2495 👍	<<locked>>	94%	42250	90%	**20	99%
Accurate 2520	<<locked>>	92%	42119	89%	**00	97%
Accurate 4064	<<locked>>	96%	38014	81%	**25	97%
Alliant AR-Comp 👍	<<locked>>	92%	41829	89%	**10	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	97%	39030	83%	**28	93%
Alliant Reloder-10x	<<locked>>	85%	41669	88%	**35	100%
[Alliant Reloder-15]*	<<locked>>	96%	42134	89%	**87	92%
Baschieri & Pellagri 106	<<locked>>	83%	42380	90%	**62	99%
Hodgdon BL-C2	<<locked>>	92%	42409	90%	**07	95%
Hodgdon Benchmark	<<locked>>	88%	42163	89%	**92	95%
Hodgdon H322	<<locked>>	89%	42264	90%	**74	98%
Hodgdon H335	<<locked>>	84%	41887	89%	**67	97%
Hodgdon TrailBoss	<<locked>>	96%	30922	66%	**04	100%
IMR 3031 👍	<<locked>>	97%	41669	88%	**23	99%
IMR 4198	<<locked>>	84%	41640	88%	**95	100%
[IMR 4895]*	<<locked>>	96%	42090	89%	**04	93%
[IMR 8208 XBR]*	<<locked>>	90%	41510	88%	**28	94%
Lovex D073.4	<<locked>>	85%	41814	89%	**18	95%
Lovex D073.5	<<locked>>	87%	41887	89%	**38	96%
Lovex D073.6	<<locked>>	94%	42119	89%	**00	97%
[Lovex S060]*	<<locked>>	91%	42061	89%	**76	93%
Lovex S062	<<locked>>	97%	41800	89%	**51	95%
Norma 201	<<locked>>	93%	42366	90%	**51	95%
Norma 202	<<locked>>	93%	41945	89%	**64	97%
[Norma 203B]*	<<locked>>	97%	42018	89%	**90	93%
[Ramshot Big Game]*	<<locked>>	96%	41945	89%	**74	92%
[Ramshot Wild Boar]*	<<locked>>	91%	42105	89%	**67	93%
[Ramshot X-Terminator]*	<<locked>>	87%	41829	89%	**02	92%
ReloadSwiss RS 14	<<locked>>	96%	30951	66%	**50	100%
ReloadSwiss RS 40	<<locked>>	86%	41669	88%	**38	96%
[ReloadSwiss RS 52]*	<<locked>>	97%	40770	86%	**97	94%
Rottweil R 901	<<locked>>	90%	41771	89%	**22	97%
[Rottweil R 902]*	<<locked>>	95%	41901	89%	**28	94%
[SNPE Vectan SP 9]*	<<locked>>	93%	42090	89%	**54	93%
SNPE Vectan Tubal 3000	<<locked>>	90%	41495	88%	**62	97%
SNPE Vectan Tubal 5000	<<locked>>	96%	40263	85%	**53	98%
Shooters World Match Rifle	<<locked>>	94%	42119	89%	**00	97%
Shooters World Precision	<<locked>>	97%	41800	89%	**51	95%
[Shooters World Tactical Rifle]*	<<locked>>	84%	42409	90%	**02	94%
Somchem S321	<<locked>>	88%	41959	89%	**58	95%
Somchem S335	<<locked>>	92%	42293	90%	**05	98%
[Somchem S341]*	<<locked>>	92%	41959	89%	**38	92%
Vihtavuori N130	<<locked>>	87%	41655	88%	**72	100%
Vihtavuori N133	<<locked>>	93%	41611	88%	**92	99%
Vihtavuori N135	<<locked>>	96%	34664	74%	**17	98%
Vihtavuori N140	<<locked>>	95%	41916	89%	**44	98%
Vihtavuori N530	<<locked>>	89%	41989	89%	**48	95%
Vihtavuori N540	<<locked>>	96%	42337	90%	**81	97%
Winchester 748	<<locked>>	89%	42380	90%	**10	96%
[Winchester StaBALL Match]*	<<locked>>	87%	41524	88%	**64	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	87%	36129	77%	**20	90%
ADI AR 2219	<<locked>>	81%	38711	82%	**99	97%
Accurate 2015	<<locked>>	81%	33185	70%	**31	98%
[Accurate 2230]*	<<locked>>	81%	34751	74%	**57	91%
[Accurate 2460]*	<<locked>>	81%	34345	73%	**64	93%
Accurate 2495	<<locked>>	81%	27282	58%	**56	95%
[Accurate 2520]*	<<locked>>	81%	28210	60%	**56	91%
[Accurate 4064]*	<<locked>>	82%	24062	51%	**38	90%
Alliant AR-Comp	<<locked>>	81%	29167	62%	**12	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	91%	32532	69%	**64	90%
Alliant Reloder-10x	<<locked>>	81%	36724	78%	**26	99%
[Alliant Reloder-15]*	<<locked>>	93%	37956	81%	**85	90%
Baschieri & Pellagri 106	<<locked>>	81%	39291	83%	**00	98%
[Hodgdon BL-C2]*	<<locked>>	84%	32111	68%	**61	90%
[Hodgdon Benchmark]*	<<locked>>	81%	33837	72%	**95	92%
Hodgdon H322	<<locked>>	81%	32750	69%	**51	95%
Hodgdon H335	<<locked>>	81%	38130	81%	**82	96%
Hodgdon TrailBoss	<<locked>>	81%	24482	52%	**57	100%
[IMR 3031]*	<<locked>>	81%	25802	55%	**90	93%
IMR 4198	<<locked>>	81%	38276	81%	**20	100%
[IMR 4895]*	<<locked>>	91%	35621	76%	**53	90%
[IMR 8208 XBR]*	<<locked>>	82%	32082	68%	**02	90%
[Lovex D073.4]*	<<locked>>	81%	36143	77%	**00	94%
[Lovex D073.5]*	<<locked>>	81%	34055	72%	**54	93%
[Lovex D073.6]*	<<locked>>	82%	27021	57%	**16	90%
[Lovex S060]*	<<locked>>	86%	36085	77%	**44	90%
[Lovex S062]*	<<locked>>	88%	31488	67%	**02	90%
[Norma 201]*	<<locked>>	84%	31285	66%	**75	90%
[Norma 202]*	<<locked>>	81%	28369	60%	**26	92%
[Norma 203B]*	<<locked>>	92%	35607	76%	**43	90%
[Ramshot Big Game]*	<<locked>>	94%	38943	83%	**12	91%
[Ramshot Wild Boar]*	<<locked>>	87%	36535	78%	**33	90%
[Ramshot X-Terminator]*	<<locked>>	83%	36608	78%	**74	90%
ReloadSwiss RS 14	<<locked>>	81%	24627	52%	**99	100%
[ReloadSwiss RS 40]*	<<locked>>	81%	35273	75%	**90	94%
[ReloadSwiss RS 52]*	<<locked>>	89%	31328	66%	**54	90%
[Rottweil R 901]*	<<locked>>	81%	32169	68%	**92	94%
[Rottweil R 902]*	<<locked>>	86%	32039	68%	**89	90%
[SNPE Vectan SP 9]*	<<locked>>	89%	36506	77%	**30	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	30922	66%	**13	93%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	25048	53%	**59	91%
[Shooters World Match Rifle]*	<<locked>>	82%	27021	57%	**16	90%
[Shooters World Precision]*	<<locked>>	88%	31488	67%	**02	90%
[Shooters World Tactical Rifle]*	<<locked>>	81%	37405	79%	**90	92%
[Somchem S321]*	<<locked>>	81%	33011	70%	**51	91%
[Somchem S335]*	<<locked>>	81%	30124	64%	**16	94%
[Somchem S341]*	<<locked>>	89%	37391	79%	**36	90%
Vihtavuori N130	<<locked>>	81%	34650	74%	**25	99%
Vihtavuori N133	<<locked>>	81%	28631	61%	**77	96%
[Vihtavuori N135]*	<<locked>>	81%	21930	47%	**20	91%
[Vihtavuori N140]*	<<locked>>	81%	26774	57%	**57	92%
[Vihtavuori N530]*	<<locked>>	81%	32663	69%	**25	91%
[Vihtavuori N540]*	<<locked>>	81%	26252	56%	**57	90%
[Winchester 748]*	<<locked>>	81%	31923	68%	**48	91%
[Winchester StaBALL Match]*	<<locked>>	81%	34229	73%	**87	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