Load data for .30-40 Krag + .308 | 135gr | IBEX Viper

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 135gr \| IBEX Viper
Manufacturer SKU:	T7004
Bullet Weight:	135gr \| 8.7g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	1.260" \| 32.0mm
Caliber:	.30-40 Krag load data
Case Length (l3):	2.314" \| 58.8mm
Cartridge Length (C.O.L.):	3.043" \| 77.3mm
Seated Depth:	0.531" \| 13.5mm
Shank Seated Depth:	0.349" \| 8.9mm
Case Capacity:	58.0 Grains of Water \| 3.77 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47137 psi \| 3250 bar
LID:	LID_B7015_C334
Last updated:	2025-02-02
Recommended Twist Rate:	1:11 - 1:9

Load data for 110 loads in caliber .30-40 Krag with .308 | 135gr | IBEX Viper 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".

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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%	41800	89%	**80	93%
[ADI AR 2208]*	<<locked>>	95%	41771	89%	**51	92%
Accurate 2015	<<locked>>	85%	41582	88%	**35	100%
[Accurate 2230]*	<<locked>>	84%	41684	88%	**35	94%
Accurate 2460	<<locked>>	84%	41974	89%	**57	96%
Accurate 2495 👍	<<locked>>	90%	41916	89%	**23	100%
Accurate 2520	<<locked>>	90%	41800	89%	**17	97%
Accurate 4064	<<locked>>	97%	42105	89%	**30	98%
Alliant AR-Comp 👍	<<locked>>	90%	42061	89%	**36	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	96%	41089	87%	**00	94%
[Alliant Reloder-15]*	<<locked>>	94%	41989	89%	**07	92%
Hodgdon BL-C2	<<locked>>	90%	41800	89%	**23	95%
Hodgdon Benchmark	<<locked>>	86%	41713	89%	**12	95%
Hodgdon H322	<<locked>>	87%	41945	89%	**90	98%
[Hodgdon VARGET]*	<<locked>>	96%	42279	90%	**61	92%
Hodgdon TrailBoss	<<locked>>	95%	31691	67%	**86	100%
IMR 3031 👍	<<locked>>	95%	42279	90%	**53	99%
[IMR 4064]*	<<locked>>	96%	42061	89%	**51	92%
[IMR 4895]*	<<locked>>	93%	41727	89%	**17	93%
IMR 8208 XBR	<<locked>>	88%	41742	89%	**54	95%
Lovex D073.5	<<locked>>	84%	41597	88%	**48	96%
Lovex D073.6	<<locked>>	92%	41800	89%	**17	97%
[Lovex S060]*	<<locked>>	89%	42003	89%	**02	93%
Lovex S062	<<locked>>	94%	42018	89%	**77	95%
Norma 201	<<locked>>	90%	41829	89%	**57	95%
Norma 202	<<locked>>	91%	41640	88%	**84	98%
[Norma 203B]*	<<locked>>	95%	42018	89%	**13	93%
[Ramshot Big Game]*	<<locked>>	95%	41829	89%	**07	92%
[Ramshot Wild Boar]*	<<locked>>	89%	42090	89%	**94	93%
[Ramshot X-Terminator]*	<<locked>>	85%	41785	89%	**21	93%
ReloadSwiss RS 14	<<locked>>	95%	31952	68%	**26	100%
ReloadSwiss RS 40	<<locked>>	84%	41698	88%	**61	96%
ReloadSwiss RS 52	<<locked>>	96%	42148	89%	**56	95%
Rottweil R 901	<<locked>>	87%	42177	89%	**41	97%
Rottweil R 902	<<locked>>	92%	42148	89%	**54	95%
[Rottweil R 903]*	<<locked>>	97%	38537	82%	**44	93%
[SNPE Vectan SP 11]*	<<locked>>	97%	41220	87%	**00	92%
[SNPE Vectan SP 9]*	<<locked>>	92%	42366	90%	**84	93%
SNPE Vectan Tubal 3000	<<locked>>	88%	41611	88%	**89	97%
SNPE Vectan Tubal 5000	<<locked>>	96%	42337	90%	**25	99%
Shooters World Match Rifle	<<locked>>	92%	41800	89%	**17	97%
Shooters World Precision	<<locked>>	94%	42018	89%	**77	95%
Somchem S321	<<locked>>	86%	41597	88%	**77	95%
Somchem S335	<<locked>>	90%	42322	90%	**25	98%
[Somchem S341]*	<<locked>>	90%	41800	89%	**57	93%
[Somchem S355]*	<<locked>>	97%	39856	85%	**57	93%
Vihtavuori N130	<<locked>>	85%	41959	89%	**05	100%
Vihtavuori N133	<<locked>>	92%	42163	89%	**18	99%
Vihtavuori N135	<<locked>>	96%	37463	79%	**05	99%
Vihtavuori N140	<<locked>>	94%	42221	90%	**74	98%
[Vihtavuori N150]*	<<locked>>	97%	33808	72%	**97	92%
Vihtavuori N530	<<locked>>	86%	41974	89%	**74	95%
Vihtavuori N540	<<locked>>	94%	42264	90%	**03	98%
Winchester 748	<<locked>>	87%	41437	88%	**13	96%
[Winchester StaBALL Match]*	<<locked>>	85%	42279	90%	**10	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	84%	34925	74%	**23	90%
[ADI AR 2208]*	<<locked>>	92%	37652	80%	**59	90%
Accurate 2015	<<locked>>	81%	36811	78%	**33	99%
[Accurate 2230]*	<<locked>>	81%	37666	80%	**46	92%
Accurate 2460	<<locked>>	81%	37666	80%	**69	95%
Accurate 2495	<<locked>>	81%	31778	67%	**00	98%
[Accurate 2520]*	<<locked>>	81%	31662	67%	**87	93%
[Accurate 4064]*	<<locked>>	81%	26948	57%	**59	93%
Alliant AR-Comp	<<locked>>	81%	31836	68%	**10	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	88%	32314	69%	**84	90%
[Alliant Reloder-15]*	<<locked>>	89%	36332	77%	**82	90%
[Hodgdon BL-C2]*	<<locked>>	81%	31604	67%	**77	90%
[Hodgdon Benchmark]*	<<locked>>	81%	36187	77%	**87	94%
Hodgdon H322	<<locked>>	81%	35433	75%	**49	97%
[Hodgdon VARGET]*	<<locked>>	92%	38145	81%	**69	90%
Hodgdon TrailBoss	<<locked>>	91%	29849	63%	**47	100%
IMR 3031	<<locked>>	81%	28268	60%	**11	95%
[IMR 4064]*	<<locked>>	91%	36245	77%	**30	90%
[IMR 4895]*	<<locked>>	87%	34867	74%	**59	90%
[IMR 8208 XBR]*	<<locked>>	81%	34040	72%	**84	92%
Lovex D073.5	<<locked>>	81%	37536	80%	**66	95%
[Lovex D073.6]*	<<locked>>	81%	29834	63%	**34	92%
[Lovex S060]*	<<locked>>	82%	34983	74%	**48	90%
[Lovex S062]*	<<locked>>	84%	30734	65%	**11	90%
[Norma 201]*	<<locked>>	81%	32198	68%	**31	91%
[Norma 202]*	<<locked>>	81%	31241	66%	**41	94%
[Norma 203B]*	<<locked>>	89%	35186	75%	**56	90%
[Ramshot Big Game]*	<<locked>>	91%	37362	79%	**02	90%
[Ramshot Wild Boar]*	<<locked>>	84%	35172	75%	**36	90%
[Ramshot X-Terminator]*	<<locked>>	81%	37246	79%	**20	91%
ReloadSwiss RS 14	<<locked>>	87%	28369	60%	**54	100%
ReloadSwiss RS 40	<<locked>>	81%	37623	80%	**69	95%
[ReloadSwiss RS 52]*	<<locked>>	86%	30661	65%	**67	90%
Rottweil R 901	<<locked>>	81%	35824	76%	**07	96%
[Rottweil R 902]*	<<locked>>	81%	30356	64%	**72	90%
[Rottweil R 903]*	<<locked>>	91%	32169	68%	**93	90%
[SNPE Vectan SP 11]*	<<locked>>	94%	36985	78%	**98	90%
[SNPE Vectan SP 9]*	<<locked>>	86%	35375	75%	**26	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	33750	72%	**15	95%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	27543	58%	**74	94%
[Shooters World Match Rifle]*	<<locked>>	81%	29834	63%	**34	92%
[Shooters World Precision]*	<<locked>>	84%	30734	65%	**11	90%
[Somchem S321]*	<<locked>>	81%	35839	76%	**52	93%
Somchem S335	<<locked>>	81%	33373	71%	**28	96%
[Somchem S341]*	<<locked>>	85%	35621	76%	**20	90%
[Somchem S355]*	<<locked>>	90%	32982	70%	**93	90%
Vihtavuori N130	<<locked>>	81%	37072	79%	**03	99%
Vihtavuori N133	<<locked>>	81%	31053	66%	**75	97%
[Vihtavuori N135]*	<<locked>>	81%	24816	53%	**60	94%
[Vihtavuori N140]*	<<locked>>	81%	29298	62%	**69	94%
[Vihtavuori N150]*	<<locked>>	92%	30139	64%	**98	91%
[Vihtavuori N530]*	<<locked>>	81%	35288	75%	**23	93%
[Vihtavuori N540]*	<<locked>>	81%	28935	61%	**82	93%
[Winchester 748]*	<<locked>>	81%	34809	74%	**56	93%
[Winchester StaBALL Match]*	<<locked>>	81%	36724	78%	**85	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