Load data for .300 Rem. SA Ultra Mag + .308 | 140gr | Osprey Virtus

Recommended Powder(s): Baschieri & Pellagri 107, Hodgdon BL-C2, IMR 4895, Norma 203B, ReloadSwiss RS 52

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 140gr \| Osprey Virtus
Manufacturer SKU:	Osprey-0.308-140
Bullet Weight:	140gr \| 9.1g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	1.150" \| 29.2mm
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:	0.370" \| 9.4mm
Shank Seated Depth:	0.229" \| 5.8mm
Case Capacity:	74.0 Grains of Water \| 4.80 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	64107 psi \| 4420 bar
LID:	LID_B10763_C373
Last updated:	2025-01-01
Recommended Twist Rate:	1:13 - 1:11

Load data for 194 loads in caliber .300 Rem. SA Ultra Mag with .308 | 140gr | Osprey Virtus bullet and 97 powders such as Baschieri & Pellagri 107, Hodgdon BL-C2, IMR 4895, Norma 203B, ReloadSwiss RS 52. 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 z (%)
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>>	92%	57363	89%	**23	99%
ADI AR 2208	<<locked>>	97%	56420	88%	**87	99%
Accurate 2015	<<locked>>	88%	57624	90%	**28	100%
Accurate 2200	<<locked>>	90%	57290	89%	**84	98%
Accurate 2230	<<locked>>	86%	56869	89%	**68	100%
Accurate 2460	<<locked>>	86%	56666	88%	**71	100%
Accurate 2495	<<locked>>	91%	56855	89%	**94	100%
Accurate 2520	<<locked>>	90%	57029	89%	**14	100%
Accurate 2700	<<locked>>	97%	55477	87%	**92	95%
Accurate 4064	<<locked>>	97%	56797	89%	**04	100%
Accurate 4350	<<locked>>	97%	42554	66%	**30	96%
Alliant AR-Comp	<<locked>>	90%	57000	89%	**71	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	55738	87%	**14	100%
Alliant Reloder-10x	<<locked>>	86%	57348	89%	**35	100%
Alliant Reloder-15	<<locked>>	95%	56710	88%	**36	99%
Alliant Reloder-16	<<locked>>	97%	42815	67%	**43	96%
Alliant Reloder-17	<<locked>>	97%	49197	77%	**00	99%
Baschieri & Pellagri 106	<<locked>>	84%	57159	89%	**76	100%
Baschieri & Pellagri 107 👍	<<locked>>	92%	57188	89%	**40	99%
Hodgdon BL-C2 👍	<<locked>>	90%	57305	89%	**46	100%
Hodgdon Benchmark	<<locked>>	89%	57116	89%	**45	100%
Hodgdon CFE223	<<locked>>	96%	57682	90%	**82	99%
Hodgdon H322	<<locked>>	88%	56739	89%	**77	100%
Hodgdon H335	<<locked>>	83%	57174	89%	**91	100%
Hodgdon H380	<<locked>>	97%	57392	90%	**33	98%
Hodgdon H414	<<locked>>	97%	50792	79%	**68	95%
Hodgdon Hybrid 100V	<<locked>>	97%	39175	61%	**18	97%
Hodgdon LVR	<<locked>>	97%	47384	74%	**99	96%
[Hodgdon Superperformance]*	<<locked>>	97%	46905	73%	**95	93%
Hodgdon VARGET	<<locked>>	97%	55999	87%	**84	99%
Hodgdon TrailBoss	<<locked>>	96%	32735	51%	**47	100%
IMR 3031	<<locked>>	95%	57029	89%	**27	100%
IMR 4064	<<locked>>	97%	54926	86%	**54	99%
IMR 4166 Enduron	<<locked>>	97%	54389	85%	**15	96%
IMR 4198	<<locked>>	85%	57392	90%	**95	100%
[IMR 4350]*	<<locked>>	97%	44251	69%	**74	92%
IMR 4451 Enduron	<<locked>>	97%	52025	81%	**02	95%
[IMR 4831]*	<<locked>>	97%	36027	56%	**56	94%
IMR 4895 👍	<<locked>>	94%	57435	90%	**63	100%
IMR 8208 XBR	<<locked>>	90%	56695	88%	**81	100%
Lovex D073.4	<<locked>>	85%	57000	89%	**61	100%
Lovex D073.5	<<locked>>	86%	57159	89%	**74	100%
Lovex D073.6	<<locked>>	92%	57029	89%	**14	100%
Lovex S060	<<locked>>	92%	57145	89%	**48	99%
Lovex S062	<<locked>>	96%	57000	89%	**94	100%
Lovex S065	<<locked>>	97%	47979	75%	**36	96%
[Lovex S070]*	<<locked>>	97%	44759	70%	**97	93%
Norma 201	<<locked>>	93%	57116	89%	**94	100%
Norma 202	<<locked>>	92%	56913	89%	**84	100%
Norma 203B 👍	<<locked>>	95%	56913	89%	**36	99%
Norma URP	<<locked>>	97%	42467	66%	**13	96%
Ramshot Big Game	<<locked>>	95%	57624	90%	**66	99%
[Ramshot Hunter]*	<<locked>>	97%	42264	66%	**07	93%
Ramshot TAC	<<locked>>	90%	57043	89%	**84	98%
Ramshot Wild Boar	<<locked>>	90%	57130	89%	**27	99%
Ramshot X-Terminator	<<locked>>	88%	57421	90%	**77	99%
ReloadSwiss RS 14	<<locked>>	97%	33489	52%	**00	100%
ReloadSwiss RS 40	<<locked>>	86%	56942	89%	**77	100%
ReloadSwiss RS 50	<<locked>>	96%	56695	88%	**91	97%
ReloadSwiss RS 52 👍	<<locked>>	96%	57043	89%	**76	100%
ReloadSwiss RS 60	<<locked>>	97%	47848	75%	**87	99%
ReloadSwiss RS 62	<<locked>>	97%	42163	66%	**36	95%
[ReloadSwiss RS 70]*	<<locked>>	97%	43598	68%	**53	94%
Rottweil R 901	<<locked>>	91%	57464	90%	**71	100%
Rottweil R 902	<<locked>>	94%	56782	89%	**74	100%
Rottweil R 903	<<locked>>	97%	51590	80%	**45	99%
[Rottweil R 907]*	<<locked>>	97%	49995	78%	**56	94%
SNPE Vectan SP 11	<<locked>>	97%	54360	85%	**27	99%
SNPE Vectan SP 7	<<locked>>	91%	57072	89%	**94	98%
SNPE Vectan SP 9	<<locked>>	93%	57667	90%	**23	99%
SNPE Vectan Tubal 3000	<<locked>>	91%	57305	89%	**12	100%
SNPE Vectan Tubal 5000	<<locked>>	97%	55738	87%	**79	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	97%	48138	75%	**90	94%
Shooters World Long Rifle	<<locked>>	97%	47979	75%	**36	96%
Shooters World Match Rifle	<<locked>>	92%	57029	89%	**14	100%
Shooters World Precision	<<locked>>	96%	57000	89%	**94	100%
Shooters World Tactical Rifle	<<locked>>	84%	56840	89%	**45	100%
Somchem S321	<<locked>>	88%	57392	90%	**10	100%
Somchem S335	<<locked>>	92%	57450	90%	**15	100%
Somchem S341	<<locked>>	91%	57363	89%	**00	99%
Somchem S355	<<locked>>	97%	53026	83%	**58	99%
Somchem S365	<<locked>>	97%	38189	60%	**64	98%
Vihtavuori N120	<<locked>>	83%	57188	89%	**13	100%
Vihtavuori N130	<<locked>>	89%	57580	90%	**86	100%
Vihtavuori N133	<<locked>>	94%	57188	89%	**95	100%
Vihtavuori N135	<<locked>>	97%	50415	79%	**63	100%
Vihtavuori N140	<<locked>>	95%	57246	89%	**58	100%
Vihtavuori N150	<<locked>>	97%	44570	70%	**77	99%
Vihtavuori N160	<<locked>>	97%	47427	74%	**72	97%
Vihtavuori N530	<<locked>>	89%	57479	90%	**07	100%
Vihtavuori N540	<<locked>>	95%	57348	89%	**91	100%
Vihtavuori N550	<<locked>>	97%	47268	74%	**09	97%
[Vihtavuori N555]*	<<locked>>	97%	31314	49%	**90	92%
Winchester 6.5 StaBALL	<<locked>>	97%	46282	72%	**17	99%
Winchester 748	<<locked>>	88%	56724	88%	**30	100%
Winchester 760	<<locked>>	97%	50792	79%	**68	95%
Winchester StaBALL Match	<<locked>>	86%	57392	90%	**33	100%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	40248	63%	**08	97%
[ADI AR 2208]*	<<locked>>	81%	34098	53%	**41	93%
Accurate 2015	<<locked>>	81%	45556	71%	**41	100%
Accurate 2200	<<locked>>	81%	42641	67%	**18	95%
Accurate 2230	<<locked>>	81%	48124	75%	**20	99%
Accurate 2460	<<locked>>	81%	48124	75%	**33	100%
Accurate 2495	<<locked>>	81%	40176	63%	**18	100%
Accurate 2520	<<locked>>	81%	41379	65%	**44	99%
[Accurate 2700]*	<<locked>>	87%	40205	63%	**13	90%
Accurate 4064	<<locked>>	81%	33533	52%	**71	99%
[Accurate 4350]*	<<locked>>	87%	29704	46%	**08	90%
Alliant AR-Comp	<<locked>>	81%	41481	65%	**28	100%
Alliant Reloder- TS 15.5	<<locked>>	81%	33373	52%	**64	95%
Alliant Reloder-10x	<<locked>>	81%	49371	77%	**17	100%
[Alliant Reloder-15]*	<<locked>>	81%	35969	56%	**20	94%
[Alliant Reloder-16]*	<<locked>>	87%	31053	48%	**21	90%
[Alliant Reloder-17]*	<<locked>>	81%	28863	45%	**85	91%
Baschieri & Pellagri 106	<<locked>>	81%	52098	81%	**00	100%
Baschieri & Pellagri 107	<<locked>>	81%	39363	61%	**05	95%
Hodgdon BL-C2	<<locked>>	81%	41481	65%	**61	98%
Hodgdon Benchmark	<<locked>>	81%	44498	69%	**31	99%
[Hodgdon CFE223]*	<<locked>>	81%	34243	53%	**07	92%
Hodgdon H322	<<locked>>	81%	44904	70%	**90	100%
Hodgdon H335	<<locked>>	81%	52692	82%	**28	100%
[Hodgdon H380]*	<<locked>>	81%	33605	52%	**54	92%
[Hodgdon H414]*	<<locked>>	88%	37797	59%	**92	90%
[Hodgdon Hybrid 100V]*	<<locked>>	85%	26731	42%	**74	90%
[Hodgdon LVR]*	<<locked>>	86%	32358	50%	**54	90%
[Hodgdon Superperformance]*	<<locked>>	93%	41147	64%	**74	90%
[Hodgdon VARGET]*	<<locked>>	81%	33895	53%	**28	93%
Hodgdon TrailBoss	<<locked>>	81%	26136	41%	**96	100%
IMR 3031	<<locked>>	81%	36100	56%	**59	100%
[IMR 4064]*	<<locked>>	81%	33402	52%	**12	93%
[IMR 4166 Enduron]*	<<locked>>	85%	37695	59%	**74	90%
IMR 4198	<<locked>>	81%	50183	78%	**87	100%
[IMR 4350]*	<<locked>>	93%	39668	62%	**76	90%
[IMR 4451 Enduron]*	<<locked>>	87%	37826	59%	**10	90%
[IMR 4831]*	<<locked>>	91%	29805	46%	**85	90%
IMR 4895	<<locked>>	81%	36854	57%	**62	96%
IMR 8208 XBR	<<locked>>	81%	42438	66%	**28	98%
Lovex D073.4	<<locked>>	81%	49850	78%	**49	100%
Lovex D073.5	<<locked>>	81%	47834	75%	**20	100%
Lovex D073.6	<<locked>>	81%	38667	60%	**82	99%
Lovex S060	<<locked>>	81%	41017	64%	**56	97%
Lovex S062	<<locked>>	81%	35389	55%	**80	96%
[Lovex S065]*	<<locked>>	86%	33533	52%	**15	90%
[Lovex S070]*	<<locked>>	90%	36956	58%	**13	90%
Norma 201	<<locked>>	81%	39291	61%	**66	98%
Norma 202	<<locked>>	81%	39624	62%	**79	99%
Norma 203B	<<locked>>	81%	35244	55%	**13	95%
[Norma URP]*	<<locked>>	86%	30414	47%	**08	90%
[Ramshot Big Game]*	<<locked>>	81%	34838	54%	**20	94%
[Ramshot Hunter]*	<<locked>>	91%	35505	55%	**36	90%
[Ramshot TAC]*	<<locked>>	81%	42351	66%	**18	94%
Ramshot Wild Boar	<<locked>>	81%	41408	65%	**38	97%
Ramshot X-Terminator	<<locked>>	81%	46238	72%	**81	98%
ReloadSwiss RS 14	<<locked>>	81%	26266	41%	**36	100%
ReloadSwiss RS 40	<<locked>>	81%	47703	74%	**30	100%
[ReloadSwiss RS 50]*	<<locked>>	82%	35607	56%	**71	90%
ReloadSwiss RS 52	<<locked>>	81%	33562	52%	**10	96%
[ReloadSwiss RS 60]*	<<locked>>	81%	28065	44%	**62	91%
[ReloadSwiss RS 62]*	<<locked>>	88%	31212	49%	**54	90%
[ReloadSwiss RS 70]*	<<locked>>	90%	34780	54%	**33	90%
Rottweil R 901	<<locked>>	81%	42946	67%	**22	100%
Rottweil R 902	<<locked>>	81%	37072	58%	**00	97%
[Rottweil R 903]*	<<locked>>	81%	30269	47%	**79	94%
[Rottweil R 907]*	<<locked>>	90%	39856	62%	**49	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	31647	49%	**31	93%
[SNPE Vectan SP 7]*	<<locked>>	81%	40263	63%	**82	94%
SNPE Vectan SP 9	<<locked>>	81%	38754	60%	**72	96%
SNPE Vectan Tubal 3000	<<locked>>	81%	41075	64%	**33	100%
SNPE Vectan Tubal 5000	<<locked>>	81%	33663	53%	**79	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	90%	37202	58%	**74	90%
[Shooters World Long Rifle]*	<<locked>>	86%	33533	52%	**15	90%
Shooters World Match Rifle	<<locked>>	81%	38667	60%	**82	99%
Shooters World Precision	<<locked>>	81%	35389	55%	**80	96%
Shooters World Tactical Rifle	<<locked>>	81%	50604	79%	**49	99%
Somchem S321	<<locked>>	81%	45876	72%	**13	99%
Somchem S335	<<locked>>	81%	40495	63%	**33	100%
Somchem S341	<<locked>>	81%	40176	63%	**89	96%
[Somchem S355]*	<<locked>>	81%	31560	49%	**02	94%
[Somchem S365]*	<<locked>>	83%	24555	38%	**44	90%
Vihtavuori N120	<<locked>>	81%	53548	84%	**67	100%
Vihtavuori N130	<<locked>>	81%	45876	72%	**12	100%
Vihtavuori N133	<<locked>>	81%	38435	60%	**84	100%
Vihtavuori N135	<<locked>>	81%	30501	48%	**66	99%
Vihtavuori N140	<<locked>>	81%	36608	57%	**00	99%
[Vihtavuori N150]*	<<locked>>	81%	26701	42%	**44	93%
[Vihtavuori N160]*	<<locked>>	84%	30342	47%	**69	90%
Vihtavuori N530	<<locked>>	81%	44744	70%	**87	99%
Vihtavuori N540	<<locked>>	81%	36390	57%	**13	99%
[Vihtavuori N550]*	<<locked>>	83%	30284	47%	**08	90%
[Vihtavuori N555]*	<<locked>>	94%	28805	45%	**08	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	27093	42%	**38	90%
Winchester 748	<<locked>>	81%	45194	70%	**36	99%
[Winchester 760]*	<<locked>>	88%	37797	59%	**92	90%
Winchester StaBALL Match	<<locked>>	81%	47964	75%	**72	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.