Load data for .300 Blaser Mag + .308 | 147gr | Winchester FMJ Match

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 147gr \| Winchester FMJ Match
Bullet Weight:	147gr \| 9.5g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	1.000" \| 25.4mm
Caliber:	.300 Blaser Mag load data
Case Length (l3):	2.519" \| 64.0mm
Cartridge Length (C.O.L.):	3.290" \| 83.6mm
Seated Depth:	0.229" \| 5.8mm
Shank Seated Depth:	0.229" \| 5.8mm
Case Capacity:	92.4 Grains of Water \| 6.00 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	60916 psi \| 4200 bar
LID:	LID_B6629_C351
Last updated:	2025-01-01

Load data for 154 loads in caliber .300 Blaser Mag with .308 | 147gr | Winchester FMJ Match bullet and 77 powders such as Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70. 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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C.O.L. (mm)
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Min z (%)
Min FR (%)
Max FR*
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Barrel Length (cm)
Safety Buffer (%)
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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 2208	<<locked>>	86%	54679	90%	**04	100%
ADI AR 2209	<<locked>>	97%	53606	88%	**66	97%
[ADI AR 2213]*	<<locked>>	97%	48196	79%	**77	93%
Accurate 2700	<<locked>>	87%	54491	89%	**45	98%
Accurate 3100	<<locked>>	97%	47253	78%	**05	98%
Accurate 4064	<<locked>>	85%	54810	90%	**81	100%
Accurate 4350 👍	<<locked>>	92%	54650	90%	**63	100%
Alliant Reloder- TS 15.5	<<locked>>	86%	54360	89%	**07	100%
Alliant Reloder-15	<<locked>>	84%	54607	90%	**27	100%
Alliant Reloder-16 👍	<<locked>>	93%	54592	90%	**19	100%
Alliant Reloder-17	<<locked>>	89%	54157	89%	**09	100%
Alliant Reloder-19	<<locked>>	97%	53345	88%	**59	97%
Alliant Reloder-22	<<locked>>	97%	47137	77%	**77	95%
Alliant Reloder-23	<<locked>>	97%	44701	73%	**35	100%
Alliant Reloder-25	<<locked>>	97%	38638	63%	**07	96%
Alliant Reloder-26	<<locked>>	97%	50662	83%	**22	99%
Hodgdon CFE223	<<locked>>	84%	54563	90%	**59	100%
Hodgdon H380	<<locked>>	85%	54215	89%	**17	99%
Hodgdon H414	<<locked>>	88%	54433	89%	**69	98%
Hodgdon H4350	<<locked>>	95%	54317	89%	**07	98%
[Hodgdon H4831 SC]*	<<locked>>	97%	50560	83%	**74	93%
Hodgdon Hybrid 100V	<<locked>>	95%	54795	90%	**36	100%
Hodgdon LVR	<<locked>>	90%	54157	89%	**53	99%
Hodgdon Superperformance	<<locked>>	90%	54128	89%	**96	98%
Hodgdon VARGET	<<locked>>	86%	54679	90%	**04	100%
Hodgdon TrailBoss	<<locked>>	96%	34301	56%	**46	100%
IMR 3031	<<locked>>	83%	54607	90%	**97	100%
IMR 4064	<<locked>>	87%	54433	89%	**94	100%
IMR 4166 Enduron	<<locked>>	87%	54447	89%	**74	98%
IMR 4350	<<locked>>	93%	54346	89%	**07	98%
IMR 4451 Enduron	<<locked>>	89%	54752	90%	**04	98%
IMR 4831	<<locked>>	97%	53983	89%	**33	100%
[IMR 4955 Enduron]*	<<locked>>	97%	49777	82%	**22	94%
[IMR 7828 SSC]*	<<locked>>	97%	49734	82%	**17	94%
Lovex S062	<<locked>>	84%	54201	89%	**77	100%
Lovex S065	<<locked>>	90%	54099	89%	**94	99%
Lovex S070	<<locked>>	92%	54520	89%	**23	98%
Lovex S071	<<locked>>	97%	39088	64%	**31	95%
Norma 203B	<<locked>>	84%	54462	89%	**23	100%
Norma 204	<<locked>>	92%	54317	89%	**43	96%
Norma MRP	<<locked>>	97%	49559	81%	**59	97%
Norma URP 👍	<<locked>>	93%	54607	90%	**69	100%
Ramshot Big Game	<<locked>>	83%	54404	89%	**36	100%
Ramshot Hunter	<<locked>>	93%	54317	89%	**73	99%
Ramshot Magnum	<<locked>>	97%	45368	74%	**12	95%
ReloadSwiss RS 14	<<locked>>	96%	35114	58%	**95	100%
ReloadSwiss RS 50	<<locked>>	85%	54549	90%	**04	99%
ReloadSwiss RS 52	<<locked>>	84%	54679	90%	**36	100%
ReloadSwiss RS 60	<<locked>>	90%	54389	89%	**38	100%
ReloadSwiss RS 62 👍	<<locked>>	92%	54505	89%	**89	100%
ReloadSwiss RS 70 👍	<<locked>>	93%	54781	90%	**38	100%
Rottweil R 903	<<locked>>	87%	54650	90%	**10	100%
Rottweil R 904	<<locked>>	96%	54781	90%	**27	96%
Rottweil R 905	<<locked>>	97%	51938	85%	**33	96%
Rottweil R 907	<<locked>>	89%	54404	89%	**94	98%
SNPE Vectan SP 11	<<locked>>	86%	54331	89%	**46	100%
SNPE Vectan Tubal 5000	<<locked>>	87%	54752	90%	**86	100%
SNPE Vectan Tubal 7000	<<locked>>	90%	54172	89%	**41	98%
Shooters World Long Rifle	<<locked>>	90%	54099	89%	**94	99%
Shooters World Precision	<<locked>>	84%	54201	89%	**77	100%
Somchem S355	<<locked>>	87%	54491	89%	**07	100%
Somchem S361	<<locked>>	95%	54766	90%	**77	95%
Somchem S365	<<locked>>	95%	54737	90%	**92	100%
Somchem S385	<<locked>>	97%	53011	87%	**07	97%
Vihtavuori N133	<<locked>>	83%	54592	90%	**76	100%
Vihtavuori N135	<<locked>>	88%	54534	90%	**31	100%
Vihtavuori N140	<<locked>>	83%	54621	90%	**38	100%
Vihtavuori N150	<<locked>>	92%	54491	89%	**61	100%
Vihtavuori N160	<<locked>>	90%	54491	89%	**27	100%
Vihtavuori N165	<<locked>>	97%	44106	72%	**23	95%
Vihtavuori N540	<<locked>>	83%	54375	89%	**58	100%
Vihtavuori N550	<<locked>>	90%	54404	89%	**63	100%
Vihtavuori N555	<<locked>>	97%	49806	82%	**10	100%
[Vihtavuori N560]*	<<locked>>	97%	47210	77%	**94	93%
Winchester 6.5 StaBALL	<<locked>>	91%	54157	89%	**94	100%
Winchester 760	<<locked>>	88%	54433	89%	**69	98%
Winchester StaBALL HD	<<locked>>	97%	38189	63%	**51	100%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	46630	77%	**59	99%
[ADI AR 2209]*	<<locked>>	85%	36376	60%	**76	90%
[ADI AR 2213]*	<<locked>>	92%	40843	67%	**04	90%
Accurate 2700	<<locked>>	81%	44918	74%	**64	95%
[Accurate 3100]*	<<locked>>	82%	28311	46%	**43	90%
Accurate 4064	<<locked>>	81%	49182	81%	**89	100%
Accurate 4350	<<locked>>	81%	37231	61%	**12	97%
Alliant Reloder- TS 15.5	<<locked>>	81%	46746	77%	**76	100%
Alliant Reloder-15	<<locked>>	81%	50111	82%	**54	100%
Alliant Reloder-16	<<locked>>	81%	36376	60%	**25	97%
Alliant Reloder-17	<<locked>>	81%	41394	68%	**69	99%
[Alliant Reloder-19]*	<<locked>>	85%	35882	59%	**69	90%
[Alliant Reloder-22]*	<<locked>>	89%	35578	58%	**02	90%
[Alliant Reloder-23]*	<<locked>>	81%	26643	44%	**39	93%
[Alliant Reloder-25]*	<<locked>>	88%	29254	48%	**21	90%
[Alliant Reloder-26]*	<<locked>>	81%	28297	46%	**35	91%
Hodgdon CFE223	<<locked>>	81%	49501	81%	**71	99%
Hodgdon H380	<<locked>>	81%	47964	79%	**99	99%
Hodgdon H414	<<locked>>	81%	42888	70%	**43	95%
[Hodgdon H4350]*	<<locked>>	81%	35346	58%	**07	92%
[Hodgdon H4831 SC]*	<<locked>>	91%	41800	69%	**84	90%
Hodgdon Hybrid 100V	<<locked>>	81%	33750	55%	**07	97%
Hodgdon LVR	<<locked>>	81%	40089	66%	**77	97%
[Hodgdon Superperformance]*	<<locked>>	81%	38566	63%	**67	93%
Hodgdon VARGET	<<locked>>	81%	46064	76%	**46	99%
Hodgdon TrailBoss	<<locked>>	81%	27630	45%	**91	100%
IMR 3031	<<locked>>	81%	51111	84%	**38	100%
IMR 4064	<<locked>>	81%	45672	75%	**23	99%
IMR 4166 Enduron	<<locked>>	81%	44846	74%	**90	96%
[IMR 4350]*	<<locked>>	81%	37173	61%	**46	93%
IMR 4451 Enduron	<<locked>>	81%	43076	71%	**74	95%
IMR 4831	<<locked>>	81%	32430	53%	**71	95%
[IMR 4955 Enduron]*	<<locked>>	90%	40495	66%	**22	90%
[IMR 7828 SSC]*	<<locked>>	91%	40915	67%	**20	90%
Lovex S062	<<locked>>	81%	49226	81%	**92	100%
Lovex S065	<<locked>>	81%	40553	67%	**15	96%
[Lovex S070]*	<<locked>>	81%	38754	64%	**92	94%
[Lovex S071]*	<<locked>>	87%	28471	47%	**46	90%
Norma 203B	<<locked>>	81%	49472	81%	**41	100%
[Norma 204]*	<<locked>>	81%	36550	60%	**69	90%
[Norma MRP]*	<<locked>>	84%	32256	53%	**36	90%
Norma URP	<<locked>>	81%	37202	61%	**08	96%
Ramshot Big Game	<<locked>>	81%	49908	82%	**58	100%
[Ramshot Hunter]*	<<locked>>	81%	36114	59%	**82	94%
[Ramshot Magnum]*	<<locked>>	89%	34360	56%	**43	90%
ReloadSwiss RS 14	<<locked>>	81%	27905	46%	**27	100%
ReloadSwiss RS 50	<<locked>>	81%	47732	78%	**79	97%
ReloadSwiss RS 52	<<locked>>	81%	49371	81%	**54	100%
ReloadSwiss RS 60	<<locked>>	81%	39943	66%	**49	100%
ReloadSwiss RS 62	<<locked>>	81%	37086	61%	**22	96%
ReloadSwiss RS 70	<<locked>>	81%	36230	59%	**31	95%
Rottweil R 903	<<locked>>	81%	44469	73%	**30	100%
[Rottweil R 904]*	<<locked>>	86%	39204	64%	**02	90%
[Rottweil R 905]*	<<locked>>	85%	35375	58%	**53	90%
[Rottweil R 907]*	<<locked>>	81%	41626	68%	**38	94%
SNPE Vectan SP 11	<<locked>>	81%	45585	75%	**82	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	45876	75%	**48	100%
SNPE Vectan Tubal 7000	<<locked>>	81%	39653	65%	**59	95%
Shooters World Long Rifle	<<locked>>	81%	40553	67%	**15	96%
Shooters World Precision	<<locked>>	81%	49226	81%	**92	100%
Somchem S355	<<locked>>	81%	44817	74%	**27	100%
[Somchem S361]*	<<locked>>	87%	41582	68%	**22	90%
Somchem S365	<<locked>>	81%	33518	55%	**59	99%
[Somchem S385]*	<<locked>>	82%	32445	53%	**54	90%
Vihtavuori N133	<<locked>>	81%	51227	84%	**27	100%
Vihtavuori N135	<<locked>>	81%	43395	71%	**41	100%
Vihtavuori N140	<<locked>>	81%	50763	83%	**79	100%
Vihtavuori N150	<<locked>>	81%	38261	63%	**59	99%
Vihtavuori N160	<<locked>>	81%	40205	66%	**41	97%
[Vihtavuori N165]*	<<locked>>	88%	33475	55%	**74	90%
Vihtavuori N540	<<locked>>	81%	50459	83%	**95	100%
Vihtavuori N550	<<locked>>	81%	40988	67%	**90	97%
[Vihtavuori N555]*	<<locked>>	81%	29196	48%	**21	94%
[Vihtavuori N560]*	<<locked>>	93%	41553	68%	**56	90%
Winchester 6.5 StaBALL	<<locked>>	81%	38058	62%	**85	99%
Winchester 760	<<locked>>	81%	42888	70%	**43	95%
[Winchester StaBALL HD]*	<<locked>>	82%	24105	40%	**84	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.