Load data for .300 Rem. SA Ultra Mag + .308 | 135gr | IBEX Viper

Recommended Powder(s):

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:	.300 Rem. SA Ultra Mag load data
Case Length (l3):	2.003" \| 50.9mm
Cartridge Length (C.O.L.):	2.783" \| 70.7mm
Seated Depth:	0.480" \| 12.2mm
Shank Seated Depth:	0.298" \| 7.6mm
Case Capacity:	74.0 Grains of Water \| 4.80 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	64107 psi \| 4420 bar
LID:	LID_B7015_C373
Last updated:	2025-01-01
Recommended Twist Rate:	1:12 - 1:10

Load data for 192 loads in caliber .300 Rem. SA Ultra Mag with .308 | 135gr | IBEX Viper bullet and 96 powder(s). 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)
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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%	56753	89%	**33	99%
ADI AR 2208	<<locked>>	97%	57638	90%	**27	99%
Accurate 2015	<<locked>>	87%	57377	90%	**38	100%
Accurate 2200	<<locked>>	89%	57014	89%	**97	98%
Accurate 2230	<<locked>>	85%	57305	89%	**87	99%
Accurate 2460	<<locked>>	85%	57464	90%	**87	100%
Accurate 2495	<<locked>>	89%	57493	90%	**14	100%
Accurate 2520	<<locked>>	89%	57232	89%	**27	100%
[Accurate 2700]*	<<locked>>	97%	57072	89%	**31	94%
Accurate 4064	<<locked>>	95%	57029	89%	**23	100%
Accurate 4350	<<locked>>	97%	44846	70%	**79	96%
Alliant AR-Comp	<<locked>>	90%	57305	89%	**00	100%
Alliant Reloder- TS 15.5 👍	<<locked>>	97%	57305	89%	**46	100%
Alliant Reloder-10x	<<locked>>	84%	57029	89%	**48	100%
Alliant Reloder-15 👍	<<locked>>	94%	57508	90%	**63	99%
Alliant Reloder-16	<<locked>>	97%	44527	69%	**76	95%
Alliant Reloder-17	<<locked>>	97%	50270	78%	**30	99%
[Alliant Reloder-23]*	<<locked>>	97%	32329	50%	**80	92%
Baschieri & Pellagri 106	<<locked>>	83%	57174	89%	**95	100%
Baschieri & Pellagri 107	<<locked>>	91%	56681	88%	**40	98%
Hodgdon BL-C2	<<locked>>	89%	57624	90%	**63	100%
Hodgdon Benchmark	<<locked>>	88%	57203	89%	**61	100%
Hodgdon CFE223	<<locked>>	95%	57537	90%	**96	98%
Hodgdon H322	<<locked>>	88%	57595	90%	**10	100%
Hodgdon H380	<<locked>>	96%	57145	89%	**40	98%
[Hodgdon H414]*	<<locked>>	97%	52765	82%	**17	94%
Hodgdon Hybrid 100V	<<locked>>	97%	41162	64%	**71	97%
Hodgdon LVR	<<locked>>	97%	48646	76%	**38	96%
[Hodgdon Superperformance]*	<<locked>>	97%	48573	76%	**28	92%
Hodgdon VARGET	<<locked>>	97%	57479	90%	**17	99%
Hodgdon TrailBoss	<<locked>>	96%	33634	52%	**70	100%
IMR 3031	<<locked>>	94%	57029	89%	**53	100%
IMR 4064	<<locked>>	97%	55738	87%	**91	99%
IMR 4166 Enduron	<<locked>>	97%	56521	88%	**51	95%
IMR 4198	<<locked>>	85%	57682	90%	**15	100%
[IMR 4350]*	<<locked>>	97%	45963	72%	**10	91%
[IMR 4451 Enduron]*	<<locked>>	97%	53185	83%	**31	94%
[IMR 4831]*	<<locked>>	97%	38899	61%	**28	94%
IMR 4895 👍	<<locked>>	94%	57667	90%	**79	99%
IMR 8208 XBR	<<locked>>	89%	56666	88%	**00	100%
Lovex D073.4	<<locked>>	83%	56971	89%	**74	100%
Lovex D073.5	<<locked>>	85%	57188	89%	**84	100%
Lovex D073.6	<<locked>>	91%	57232	89%	**27	100%
Lovex S060	<<locked>>	91%	57014	89%	**64	99%
Lovex S062	<<locked>>	95%	57421	90%	**23	100%
Lovex S065	<<locked>>	97%	49719	78%	**82	95%
[Lovex S070]*	<<locked>>	97%	47674	74%	**53	93%
Norma 201	<<locked>>	91%	57290	89%	**00	100%
Norma 202	<<locked>>	91%	57043	89%	**10	100%
Norma 203B 👍	<<locked>>	95%	57276	89%	**56	99%
Norma URP	<<locked>>	97%	44773	70%	**72	95%
Ramshot Big Game	<<locked>>	95%	56898	89%	**73	99%
[Ramshot Hunter]*	<<locked>>	97%	44164	69%	**43	93%
Ramshot TAC	<<locked>>	89%	57290	89%	**07	97%
Ramshot Wild Boar	<<locked>>	90%	57334	89%	**43	99%
Ramshot X-Terminator	<<locked>>	87%	57159	89%	**87	99%
ReloadSwiss RS 14	<<locked>>	96%	33910	53%	**13	100%
ReloadSwiss RS 40	<<locked>>	86%	57638	90%	**14	100%
ReloadSwiss RS 50	<<locked>>	95%	57363	89%	**04	96%
ReloadSwiss RS 52 👍	<<locked>>	95%	57537	90%	**96	100%
ReloadSwiss RS 60	<<locked>>	97%	48950	76%	**20	99%
ReloadSwiss RS 62	<<locked>>	97%	44092	69%	**89	95%
[ReloadSwiss RS 70]*	<<locked>>	97%	45687	71%	**02	94%
Rottweil R 901	<<locked>>	89%	57217	89%	**77	100%
Rottweil R 902	<<locked>>	93%	56971	89%	**94	100%
Rottweil R 903	<<locked>>	97%	54389	85%	**04	99%
[Rottweil R 907]*	<<locked>>	97%	51851	81%	**02	93%
SNPE Vectan SP 11	<<locked>>	97%	55695	87%	**59	99%
SNPE Vectan SP 7	<<locked>>	90%	57232	89%	**10	98%
SNPE Vectan SP 9	<<locked>>	92%	56985	89%	**33	99%
SNPE Vectan Tubal 3000	<<locked>>	90%	56985	89%	**15	100%
SNPE Vectan Tubal 5000	<<locked>>	97%	57276	89%	**22	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	97%	50125	78%	**30	94%
Shooters World Long Rifle	<<locked>>	97%	49719	78%	**82	95%
Shooters World Match Rifle	<<locked>>	91%	57232	89%	**27	100%
Shooters World Precision	<<locked>>	95%	57421	90%	**23	100%
Shooters World Tactical Rifle	<<locked>>	84%	56898	89%	**64	100%
Somchem S321	<<locked>>	87%	57508	90%	**30	100%
Somchem S335	<<locked>>	91%	57188	89%	**31	100%
Somchem S341	<<locked>>	91%	57305	89%	**07	99%
Somchem S355	<<locked>>	97%	54839	86%	**04	99%
Somchem S365	<<locked>>	97%	40263	63%	**20	98%
Vihtavuori N130	<<locked>>	88%	57638	90%	**05	100%
Vihtavuori N133	<<locked>>	93%	57261	89%	**15	100%
Vihtavuori N135	<<locked>>	97%	52083	81%	**02	100%
Vihtavuori N140	<<locked>>	94%	56942	89%	**71	100%
Vihtavuori N150	<<locked>>	97%	46485	73%	**27	99%
Vihtavuori N160	<<locked>>	97%	49356	77%	**12	96%
Vihtavuori N530	<<locked>>	88%	57595	90%	**27	100%
Vihtavuori N540	<<locked>>	94%	56594	88%	**07	100%
Vihtavuori N550	<<locked>>	97%	49023	76%	**54	96%
[Vihtavuori N555]*	<<locked>>	97%	34069	53%	**69	92%
Winchester 6.5 StaBALL	<<locked>>	97%	47703	74%	**56	98%
Winchester 748	<<locked>>	87%	57261	89%	**63	100%
[Winchester 760]*	<<locked>>	97%	52765	82%	**17	94%
Winchester StaBALL Match	<<locked>>	85%	57203	89%	**40	99%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	42482	66%	**58	96%
[ADI AR 2208]*	<<locked>>	81%	36274	57%	**00	93%
Accurate 2015	<<locked>>	81%	48167	75%	**97	100%
Accurate 2200	<<locked>>	81%	44454	69%	**61	95%
Accurate 2230	<<locked>>	81%	50328	78%	**66	99%
Accurate 2460	<<locked>>	81%	50952	79%	**89	100%
Accurate 2495	<<locked>>	81%	44222	69%	**97	100%
Accurate 2520	<<locked>>	81%	43874	68%	**97	99%
[Accurate 2700]*	<<locked>>	88%	43236	67%	**76	90%
Accurate 4064	<<locked>>	81%	37391	58%	**62	99%
[Accurate 4350]*	<<locked>>	86%	31430	49%	**57	90%
Alliant AR-Comp	<<locked>>	81%	43888	68%	**97	100%
Alliant Reloder- TS 15.5	<<locked>>	81%	35708	56%	**26	95%
Alliant Reloder-10x	<<locked>>	81%	51648	81%	**69	100%
Alliant Reloder-15	<<locked>>	81%	38406	60%	**92	95%
[Alliant Reloder-16]*	<<locked>>	86%	33069	52%	**74	90%
[Alliant Reloder-17]*	<<locked>>	81%	30966	48%	**48	91%
[Alliant Reloder-23]*	<<locked>>	94%	29689	46%	**98	90%
Baschieri & Pellagri 106	<<locked>>	81%	53258	83%	**36	100%
Baschieri & Pellagri 107	<<locked>>	81%	41205	64%	**51	95%
Hodgdon BL-C2	<<locked>>	81%	43613	68%	**17	98%
Hodgdon Benchmark	<<locked>>	81%	46253	72%	**71	99%
[Hodgdon CFE223]*	<<locked>>	81%	36361	57%	**69	93%
Hodgdon H322	<<locked>>	81%	46992	73%	**36	100%
[Hodgdon H380]*	<<locked>>	81%	36463	57%	**23	92%
[Hodgdon H414]*	<<locked>>	89%	40509	63%	**61	90%
[Hodgdon Hybrid 100V]*	<<locked>>	84%	28326	44%	**10	90%
[Hodgdon LVR]*	<<locked>>	85%	34084	53%	**97	90%
[Hodgdon Superperformance]*	<<locked>>	94%	44324	69%	**43	90%
[Hodgdon VARGET]*	<<locked>>	81%	36100	56%	**87	93%
Hodgdon TrailBoss	<<locked>>	81%	26919	42%	**16	100%
IMR 3031	<<locked>>	81%	38363	60%	**12	100%
[IMR 4064]*	<<locked>>	81%	35418	55%	**67	93%
[IMR 4166 Enduron]*	<<locked>>	85%	39755	62%	**23	90%
IMR 4198	<<locked>>	81%	51503	80%	**30	100%
[IMR 4350]*	<<locked>>	94%	42467	66%	**35	90%
[IMR 4451 Enduron]*	<<locked>>	87%	40495	63%	**76	90%
[IMR 4831]*	<<locked>>	89%	31241	49%	**21	90%
IMR 4895	<<locked>>	81%	39363	61%	**25	96%
IMR 8208 XBR	<<locked>>	81%	44396	69%	**77	98%
Lovex D073.4	<<locked>>	81%	52533	82%	**02	100%
Lovex D073.5	<<locked>>	81%	50444	79%	**76	100%
Lovex D073.6	<<locked>>	81%	41046	64%	**41	99%
Lovex S060	<<locked>>	81%	42685	67%	**95	97%
Lovex S062	<<locked>>	81%	38189	60%	**46	97%
[Lovex S065]*	<<locked>>	85%	35723	56%	**74	90%
[Lovex S070]*	<<locked>>	90%	39088	61%	**76	90%
Norma 201	<<locked>>	81%	42018	66%	**25	98%
Norma 202	<<locked>>	81%	41930	65%	**38	99%
Norma 203B	<<locked>>	81%	37565	59%	**72	95%
[Norma URP]*	<<locked>>	86%	32053	50%	**57	90%
[Ramshot Big Game]*	<<locked>>	81%	37246	58%	**76	94%
[Ramshot Hunter]*	<<locked>>	92%	38754	60%	**25	91%
[Ramshot TAC]*	<<locked>>	81%	44396	69%	**61	94%
Ramshot Wild Boar	<<locked>>	81%	43671	68%	**90	97%
Ramshot X-Terminator	<<locked>>	81%	47790	75%	**23	98%
ReloadSwiss RS 14	<<locked>>	81%	27238	42%	**59	100%
ReloadSwiss RS 40	<<locked>>	81%	49574	77%	**72	100%
[ReloadSwiss RS 50]*	<<locked>>	82%	38072	59%	**23	90%
ReloadSwiss RS 52	<<locked>>	81%	36027	56%	**82	97%
[ReloadSwiss RS 60]*	<<locked>>	81%	30400	47%	**25	92%
[ReloadSwiss RS 62]*	<<locked>>	87%	33054	52%	**03	90%
[ReloadSwiss RS 70]*	<<locked>>	91%	37260	58%	**99	90%
Rottweil R 901	<<locked>>	81%	46383	72%	**84	100%
Rottweil R 902	<<locked>>	81%	39900	62%	**69	97%
[Rottweil R 903]*	<<locked>>	81%	33431	52%	**64	94%
[Rottweil R 907]*	<<locked>>	90%	42264	66%	**15	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	33968	53%	**00	93%
[SNPE Vectan SP 7]*	<<locked>>	81%	42699	67%	**38	94%
SNPE Vectan SP 9	<<locked>>	81%	40770	64%	**18	96%
SNPE Vectan Tubal 3000	<<locked>>	81%	43395	68%	**92	100%
SNPE Vectan Tubal 5000	<<locked>>	81%	36129	56%	**41	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	89%	39160	61%	**23	90%
[Shooters World Long Rifle]*	<<locked>>	85%	35723	56%	**74	90%
Shooters World Match Rifle	<<locked>>	81%	41046	64%	**41	99%
Shooters World Precision	<<locked>>	81%	38189	60%	**46	97%
Shooters World Tactical Rifle	<<locked>>	81%	52750	82%	**89	99%
Somchem S321	<<locked>>	81%	47630	74%	**56	99%
Somchem S335	<<locked>>	81%	43018	67%	**92	100%
Somchem S341	<<locked>>	81%	42163	66%	**38	96%
[Somchem S355]*	<<locked>>	81%	34476	54%	**80	94%
[Somchem S365]*	<<locked>>	82%	26136	41%	**87	90%
Vihtavuori N130	<<locked>>	81%	47790	75%	**51	100%
Vihtavuori N133	<<locked>>	81%	40712	63%	**40	100%
Vihtavuori N135	<<locked>>	81%	33170	52%	**31	99%
Vihtavuori N140	<<locked>>	81%	39305	61%	**59	99%
[Vihtavuori N150]*	<<locked>>	81%	29501	46%	**30	94%
[Vihtavuori N160]*	<<locked>>	83%	32416	51%	**21	90%
Vihtavuori N530	<<locked>>	81%	46659	73%	**33	99%
Vihtavuori N540	<<locked>>	81%	38711	60%	**69	99%
[Vihtavuori N550]*	<<locked>>	83%	32343	50%	**67	90%
[Vihtavuori N555]*	<<locked>>	93%	30850	48%	**77	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	29341	46%	**03	91%
Winchester 748	<<locked>>	81%	46644	73%	**86	99%
[Winchester 760]*	<<locked>>	89%	40509	63%	**61	90%
Winchester StaBALL Match	<<locked>>	81%	49690	78%	**15	99%

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