Load data for .300 Rem. SA Ultra Mag + .308 | 125gr | Osprey Virtus

Recommended Powder(s): Accurate 2520, Hodgdon BL-C2, Lovex D073.6, Ramshot Wild Boar, Winchester 748

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 125gr \| Osprey Virtus
Manufacturer SKU:	Osprey-0.308-125
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	1.040" \| 26.4mm
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:	0.260" \| 6.6mm
Shank Seated Depth:	0.221" \| 5.6mm
Case Capacity:	74.0 Grains of Water \| 4.80 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	64107 psi \| 4420 bar
LID:	LID_B10760_C373
Last updated:	2025-01-01
Recommended Twist Rate:	1:15 - 1:12

Load data for 188 loads in caliber .300 Rem. SA Ultra Mag with .308 | 125gr | Osprey Virtus bullet and 94 powders such as Accurate 2520, Hodgdon BL-C2, Lovex D073.6, Ramshot Wild Boar, Winchester 748. 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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Min FR (%)
Max FR*
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Barrel Length (cm)
Safety Buffer (%)
.
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.

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%	56768	89%	**84	99%
ADI AR 2208	<<locked>>	97%	52939	83%	**89	98%
ADI AR 2219	<<locked>>	85%	57072	89%	**55	100%
Accurate 2015	<<locked>>	90%	57638	90%	**02	100%
Accurate 2200	<<locked>>	92%	57566	90%	**41	98%
Accurate 2230	<<locked>>	87%	56956	89%	**25	99%
Accurate 2460	<<locked>>	88%	57537	90%	**38	100%
Accurate 2495	<<locked>>	93%	57145	89%	**71	100%
Accurate 2520 👍	<<locked>>	92%	57421	90%	**84	100%
[Accurate 2700]*	<<locked>>	97%	52562	82%	**87	93%
Accurate 4064	<<locked>>	97%	52924	83%	**19	100%
[Accurate 4350]*	<<locked>>	97%	39189	61%	**92	93%
Alliant AR-Comp	<<locked>>	92%	56739	89%	**48	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	52170	81%	**15	99%
Alliant Reloder-10x	<<locked>>	87%	57029	89%	**12	100%
Alliant Reloder-15	<<locked>>	97%	56956	89%	**01	98%
[Alliant Reloder-16]*	<<locked>>	97%	40451	63%	**15	93%
Alliant Reloder-17	<<locked>>	97%	46064	72%	**89	97%
Baschieri & Pellagri 106	<<locked>>	86%	57276	89%	**36	100%
Baschieri & Pellagri 107	<<locked>>	94%	57305	89%	**97	98%
Hodgdon BL-C2 👍	<<locked>>	92%	57696	90%	**17	100%
Hodgdon Benchmark	<<locked>>	91%	57363	89%	**12	100%
Hodgdon CFE223	<<locked>>	97%	56057	87%	**20	98%
Hodgdon H322	<<locked>>	90%	57072	89%	**55	100%
Hodgdon H335	<<locked>>	85%	57188	89%	**68	100%
Hodgdon H380	<<locked>>	97%	54215	85%	**38	97%
[Hodgdon H414]*	<<locked>>	97%	47601	74%	**59	92%
Hodgdon H4198	<<locked>>	84%	57276	89%	**73	100%
[Hodgdon Hybrid 100V]*	<<locked>>	97%	36245	57%	**81	94%
[Hodgdon LVR]*	<<locked>>	97%	44208	69%	**87	94%
Hodgdon VARGET	<<locked>>	97%	52402	82%	**86	98%
Hodgdon TrailBoss	<<locked>>	96%	32184	50%	**52	100%
IMR 3031	<<locked>>	97%	56231	88%	**94	100%
IMR 4064	<<locked>>	97%	51822	81%	**63	98%
[IMR 4166 Enduron]*	<<locked>>	97%	51663	81%	**07	93%
IMR 4198	<<locked>>	87%	56985	89%	**66	100%
[IMR 4451 Enduron]*	<<locked>>	97%	49124	77%	**91	93%
IMR 4895	<<locked>>	96%	57363	89%	**23	99%
IMR 8208 XBR	<<locked>>	92%	57276	89%	**55	100%
Lovex D073.4	<<locked>>	86%	56913	89%	**22	100%
Lovex D073.5	<<locked>>	88%	56869	89%	**32	100%
Lovex D073.6 👍	<<locked>>	94%	57421	90%	**84	100%
Lovex S060	<<locked>>	93%	56971	89%	**05	99%
Lovex S062	<<locked>>	97%	55245	86%	**35	99%
[Lovex S065]*	<<locked>>	97%	45078	70%	**22	93%
Norma 200	<<locked>>	83%	57087	89%	**86	100%
Norma 201	<<locked>>	94%	56811	89%	**45	100%
Norma 202	<<locked>>	94%	57261	89%	**61	100%
Norma 203B	<<locked>>	97%	55912	87%	**87	99%
[Norma URP]*	<<locked>>	97%	39784	62%	**95	93%
Ramshot Big Game	<<locked>>	97%	56898	89%	**20	99%
Ramshot TAC	<<locked>>	91%	56985	89%	**41	97%
Ramshot Wild Boar 👍	<<locked>>	92%	57682	90%	**97	99%
Ramshot X-Terminator	<<locked>>	89%	57421	90%	**28	99%
ReloadSwiss RS 14	<<locked>>	97%	32808	51%	**08	100%
ReloadSwiss RS 40	<<locked>>	88%	57319	89%	**48	100%
ReloadSwiss RS 50	<<locked>>	97%	55274	86%	**15	95%
ReloadSwiss RS 52	<<locked>>	97%	55259	86%	**10	100%
ReloadSwiss RS 60	<<locked>>	97%	45020	70%	**79	98%
[ReloadSwiss RS 62]*	<<locked>>	97%	39320	61%	**02	93%
Rottweil R 901	<<locked>>	92%	57508	90%	**41	100%
Rottweil R 902	<<locked>>	96%	57363	89%	**41	100%
Rottweil R 903	<<locked>>	97%	48472	76%	**50	98%
SNPE Vectan BA6 1/2	<<locked>>	83%	57334	89%	**77	100%
SNPE Vectan SP 10	<<locked>>	85%	57232	89%	**58	100%
SNPE Vectan SP 11	<<locked>>	97%	51111	80%	**28	98%
SNPE Vectan SP 7	<<locked>>	93%	57609	90%	**61	97%
SNPE Vectan SP 9	<<locked>>	95%	57276	89%	**74	99%
SNPE Vectan Tubal 3000	<<locked>>	93%	57450	90%	**76	100%
SNPE Vectan Tubal 5000	<<locked>>	97%	52837	82%	**04	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	97%	44802	70%	**69	92%
[Shooters World Long Rifle]*	<<locked>>	97%	45078	70%	**22	93%
Shooters World Match Rifle	<<locked>>	94%	57421	90%	**84	100%
Shooters World Precision	<<locked>>	97%	55245	86%	**35	99%
Shooters World Tactical Rifle	<<locked>>	86%	57217	89%	**09	99%
Somchem S321	<<locked>>	89%	57072	89%	**74	100%
Somchem S335	<<locked>>	94%	57145	89%	**79	100%
Somchem S341	<<locked>>	93%	56768	89%	**45	99%
Somchem S355	<<locked>>	97%	49705	78%	**53	98%
Somchem S365	<<locked>>	97%	35317	55%	**30	96%
Vihtavuori N120	<<locked>>	85%	56913	89%	**87	100%
Vihtavuori N130	<<locked>>	90%	56884	89%	**46	100%
Vihtavuori N133	<<locked>>	96%	57145	89%	**69	100%
Vihtavuori N135	<<locked>>	97%	47398	74%	**74	100%
Vihtavuori N140	<<locked>>	96%	57159	89%	**28	100%
Vihtavuori N150	<<locked>>	97%	41365	65%	**56	98%
Vihtavuori N160	<<locked>>	97%	44092	69%	**45	95%
Vihtavuori N530	<<locked>>	90%	57217	89%	**71	100%
Vihtavuori N540	<<locked>>	96%	57029	89%	**55	100%
Vihtavuori N550	<<locked>>	97%	44353	69%	**00	95%
Winchester 6.5 StaBALL	<<locked>>	97%	43584	68%	**95	97%
Winchester 748 👍	<<locked>>	90%	57348	89%	**10	100%
[Winchester 760]*	<<locked>>	97%	47601	74%	**59	92%
Winchester StaBALL Match	<<locked>>	87%	57363	89%	**87	99%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	37695	59%	**94	94%
[ADI AR 2208]*	<<locked>>	81%	32242	50%	**26	91%
ADI AR 2219	<<locked>>	81%	50125	78%	**43	100%
Accurate 2015	<<locked>>	81%	42859	67%	**56	100%
[Accurate 2200]*	<<locked>>	81%	40364	63%	**04	93%
Accurate 2230	<<locked>>	81%	45194	70%	**15	97%
Accurate 2460	<<locked>>	81%	45020	70%	**28	99%
Accurate 2495	<<locked>>	81%	36985	58%	**04	100%
Accurate 2520	<<locked>>	81%	38493	60%	**33	98%
[Accurate 2700]*	<<locked>>	92%	44947	70%	**43	90%
Accurate 4064	<<locked>>	81%	31096	48%	**46	97%
[Accurate 4350]*	<<locked>>	92%	32735	51%	**25	90%
Alliant AR-Comp	<<locked>>	81%	38725	60%	**49	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	30864	48%	**33	93%
Alliant Reloder-10x	<<locked>>	81%	46949	73%	**45	100%
[Alliant Reloder-15]*	<<locked>>	81%	33402	52%	**99	92%
[Alliant Reloder-16]*	<<locked>>	92%	34635	54%	**51	90%
[Alliant Reloder-17]*	<<locked>>	85%	30618	48%	**59	90%
Baschieri & Pellagri 106	<<locked>>	81%	49429	77%	**12	100%
[Baschieri & Pellagri 107]*	<<locked>>	81%	36941	58%	**87	93%
Hodgdon BL-C2	<<locked>>	81%	38551	60%	**49	96%
Hodgdon Benchmark	<<locked>>	81%	42076	66%	**23	98%
[Hodgdon CFE223]*	<<locked>>	82%	33446	52%	**12	90%
Hodgdon H322	<<locked>>	81%	42424	66%	**99	100%
Hodgdon H335	<<locked>>	81%	49574	77%	**40	100%
[Hodgdon H380]*	<<locked>>	83%	34214	53%	**05	90%
[Hodgdon H414]*	<<locked>>	93%	41321	64%	**18	90%
Hodgdon H4198	<<locked>>	81%	51924	81%	**84	100%
[Hodgdon Hybrid 100V]*	<<locked>>	90%	29501	46%	**87	90%
[Hodgdon LVR]*	<<locked>>	91%	35882	56%	**77	90%
[Hodgdon VARGET]*	<<locked>>	81%	31966	50%	**10	91%
Hodgdon TrailBoss	<<locked>>	81%	25788	40%	**01	100%
IMR 3031	<<locked>>	81%	33504	52%	**41	99%
[IMR 4064]*	<<locked>>	81%	31328	49%	**94	91%
[IMR 4166 Enduron]*	<<locked>>	90%	41626	65%	**07	90%
IMR 4198	<<locked>>	81%	47601	74%	**15	100%
[IMR 4451 Enduron]*	<<locked>>	92%	42032	66%	**46	90%
[IMR 4895]*	<<locked>>	81%	34214	53%	**35	93%
IMR 8208 XBR	<<locked>>	81%	39726	62%	**17	97%
Lovex D073.4	<<locked>>	81%	46746	73%	**51	99%
Lovex D073.5	<<locked>>	81%	44759	70%	**25	99%
Lovex D073.6	<<locked>>	81%	36042	56%	**71	97%
Lovex S060	<<locked>>	81%	38696	60%	**51	95%
[Lovex S062]*	<<locked>>	81%	33083	52%	**62	94%
[Lovex S065]*	<<locked>>	90%	36506	57%	**31	90%
Norma 200	<<locked>>	81%	52678	82%	**17	100%
Norma 201	<<locked>>	81%	36854	57%	**54	96%
Norma 202	<<locked>>	81%	36941	58%	**67	98%
[Norma 203B]*	<<locked>>	81%	32909	51%	**89	92%
[Norma URP]*	<<locked>>	91%	33460	52%	**22	90%
[Ramshot Big Game]*	<<locked>>	81%	32692	51%	**85	91%
[Ramshot TAC]*	<<locked>>	81%	40292	63%	**10	92%
Ramshot Wild Boar	<<locked>>	81%	38914	61%	**27	95%
Ramshot X-Terminator	<<locked>>	81%	43642	68%	**79	96%
ReloadSwiss RS 14	<<locked>>	81%	25831	40%	**41	100%
ReloadSwiss RS 40	<<locked>>	81%	45136	70%	**31	99%
[ReloadSwiss RS 50]*	<<locked>>	87%	39131	61%	**87	90%
[ReloadSwiss RS 52]*	<<locked>>	81%	31328	49%	**85	94%
[ReloadSwiss RS 60]*	<<locked>>	84%	29385	46%	**26	90%
[ReloadSwiss RS 62]*	<<locked>>	93%	34577	54%	**77	90%
Rottweil R 901	<<locked>>	81%	40625	63%	**30	99%
Rottweil R 902	<<locked>>	81%	34925	54%	**89	95%
[Rottweil R 903]*	<<locked>>	81%	28268	44%	**57	91%
SNPE Vectan BA6 1/2	<<locked>>	81%	53824	84%	**31	100%
SNPE Vectan SP 10	<<locked>>	81%	50444	79%	**46	100%
[SNPE Vectan SP 11]*	<<locked>>	81%	30342	47%	**23	90%
[SNPE Vectan SP 7]*	<<locked>>	81%	37898	59%	**64	92%
[SNPE Vectan SP 9]*	<<locked>>	81%	36463	57%	**54	94%
SNPE Vectan Tubal 3000	<<locked>>	81%	38711	60%	**35	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	31560	49%	**71	98%
[SNPE Vectan Tubal 7000]*	<<locked>>	94%	40524	63%	**81	90%
[Shooters World Long Rifle]*	<<locked>>	90%	36506	57%	**31	90%
Shooters World Match Rifle	<<locked>>	81%	36042	56%	**71	97%
[Shooters World Precision]*	<<locked>>	81%	33083	52%	**62	94%
Shooters World Tactical Rifle	<<locked>>	81%	47718	74%	**54	98%
Somchem S321	<<locked>>	81%	43018	67%	**09	98%
Somchem S335	<<locked>>	81%	38116	59%	**31	99%
[Somchem S341]*	<<locked>>	81%	37536	59%	**71	94%
[Somchem S355]*	<<locked>>	81%	29472	46%	**74	91%
[Somchem S365]*	<<locked>>	88%	26861	42%	**54	90%
Vihtavuori N120	<<locked>>	81%	50879	79%	**02	100%
Vihtavuori N130	<<locked>>	81%	43395	68%	**27	100%
Vihtavuori N133	<<locked>>	81%	36158	56%	**89	100%
Vihtavuori N135	<<locked>>	81%	28224	44%	**38	97%
Vihtavuori N140	<<locked>>	81%	34534	54%	**95	98%
[Vihtavuori N150]*	<<locked>>	81%	25034	39%	**20	90%
[Vihtavuori N160]*	<<locked>>	89%	33460	52%	**89	90%
Vihtavuori N530	<<locked>>	81%	41916	65%	**89	97%
Vihtavuori N540	<<locked>>	81%	34142	53%	**99	97%
[Vihtavuori N550]*	<<locked>>	89%	33779	53%	**44	90%
[Winchester 6.5 StaBALL]*	<<locked>>	85%	29225	46%	**25	90%
Winchester 748	<<locked>>	81%	42119	66%	**28	98%
[Winchester 760]*	<<locked>>	93%	41321	64%	**18	90%
Winchester StaBALL Match	<<locked>>	81%	45063	70%	**68	97%

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.