Load data for .300 WSM + .308 | 125gr Hornady ECX

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 125gr Hornady ECX
Manufacturer SKU:	301944
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	<<locked>>
Caliber:	.300 WSM load data
Case Length (l3):	2.090" \| 53.1mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	81.3 Grains of Water \| 5.28 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	63817 psi \| 4400 bar
LID:	LID_B1381_C378
Last updated:	2026-03-24

Load data for 200 loads in caliber .300 WSM with .308 | 125gr Hornady ECX bullet and 100 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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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>>	93%	56666	89%	**04	99%
ADI AR 2208	<<locked>>	97%	53969	85%	**25	98%
ADI AR 2219	<<locked>>	84%	56956	89%	**74	100%
ADI Benchmark 8208	<<locked>>	91%	56913	89%	**81	100%
Accurate 2015	<<locked>>	89%	57217	90%	**22	100%
Accurate 2200	<<locked>>	91%	56811	89%	**55	98%
Accurate 2230	<<locked>>	87%	56579	89%	**48	99%
Accurate 2460	<<locked>>	87%	57145	90%	**61	100%
Accurate 2495	<<locked>>	93%	56739	89%	**81	100%
Accurate 2520 👍	<<locked>>	91%	56492	89%	**87	100%
[Accurate 2700]*	<<locked>>	97%	53606	84%	**36	93%
Accurate 4064	<<locked>>	97%	54157	85%	**55	100%
[Accurate 4350]*	<<locked>>	97%	39900	63%	**35	94%
Alliant AR-Comp	<<locked>>	92%	57435	90%	**81	100%
Alliant Power Pro 2000-MR	<<locked>>	95%	57217	90%	**28	98%
Alliant Reloder- TS 15.5	<<locked>>	97%	53272	83%	**61	99%
Alliant Reloder-10x	<<locked>>	87%	57116	89%	**28	100%
Alliant Reloder-15	<<locked>>	97%	57392	90%	**37	99%
[Alliant Reloder-16]*	<<locked>>	97%	40654	64%	**45	94%
Alliant Reloder-17	<<locked>>	97%	47224	74%	**35	98%
Baschieri & Pellagri 106	<<locked>>	85%	56898	89%	**59	100%
Baschieri & Pellagri 107	<<locked>>	93%	56913	89%	**17	98%
Bofors RP3	<<locked>>	97%	52910	83%	**55	99%
[Bofors RP7]*	<<locked>>	97%	47979	75%	**87	92%
Hodgdon BL-C2 👍	<<locked>>	91%	57246	90%	**33	100%
Hodgdon Benchmark	<<locked>>	90%	57101	89%	**28	100%
Hodgdon CFE223	<<locked>>	97%	57232	90%	**56	98%
Hodgdon H322	<<locked>>	89%	56666	89%	**74	100%
Hodgdon H335	<<locked>>	84%	56956	89%	**81	100%
Hodgdon H380	<<locked>>	97%	55085	86%	**78	97%
[Hodgdon H414]*	<<locked>>	97%	48762	76%	**02	93%
Hodgdon H4198	<<locked>>	84%	56942	89%	**89	100%
Hodgdon H4895 👍	<<locked>>	93%	57116	90%	**20	99%
Hodgdon Hybrid 100V	<<locked>>	97%	37072	58%	**20	95%
[Hodgdon LVR]*	<<locked>>	97%	44701	70%	**14	94%
Hodgdon VARGET	<<locked>>	97%	53447	84%	**19	98%
Hodgdon TrailBoss	<<locked>>	97%	32793	51%	**82	100%
IMR 3031	<<locked>>	97%	57246	90%	**30	100%
IMR 4064	<<locked>>	97%	52025	82%	**92	98%
[IMR 4166 Enduron]*	<<locked>>	97%	52678	83%	**56	94%
IMR 4198	<<locked>>	87%	57319	90%	**89	100%
[IMR 4451 Enduron]*	<<locked>>	97%	50343	79%	**40	93%
IMR 4895	<<locked>>	96%	57130	90%	**46	99%
IMR 8208 XBR	<<locked>>	91%	56913	89%	**81	100%
Lovex D073.4	<<locked>>	86%	56797	89%	**48	100%
Lovex D073.5	<<locked>>	87%	56695	89%	**58	100%
Lovex D073.6	<<locked>>	93%	56492	89%	**87	100%
Lovex S060	<<locked>>	93%	57159	90%	**35	99%
Lovex S062	<<locked>>	97%	56362	88%	**81	100%
[Lovex S065]*	<<locked>>	97%	45847	72%	**64	94%
[Lovex S070]*	<<locked>>	97%	43221	68%	**25	91%
Norma 201	<<locked>>	94%	57145	90%	**78	100%
Norma 202	<<locked>>	93%	56579	89%	**74	100%
Norma 203B	<<locked>>	97%	56478	89%	**14	99%
[Norma URP]*	<<locked>>	97%	40611	64%	**41	94%
Ramshot Big Game	<<locked>>	96%	57203	90%	**40	99%
Ramshot TAC	<<locked>>	91%	56652	89%	**64	97%
Ramshot Wild Boar 👍	<<locked>>	92%	57363	90%	**07	99%
Ramshot X-Terminator	<<locked>>	89%	57043	89%	**51	99%
ReloadSwiss RS 14	<<locked>>	96%	32764	51%	**24	100%
ReloadSwiss RS 40	<<locked>>	88%	57043	89%	**78	100%
ReloadSwiss RS 50	<<locked>>	97%	56608	89%	**68	96%
ReloadSwiss RS 52	<<locked>>	94%	56826	89%	**92	99%
ReloadSwiss RS 60	<<locked>>	97%	50560	79%	**17	100%
[ReloadSwiss RS 62]*	<<locked>>	97%	40263	63%	**58	93%
[ReloadSwiss RS 70]*	<<locked>>	97%	41901	66%	**68	92%
Rottweil R 901	<<locked>>	92%	56956	89%	**55	100%
Rottweil R 902	<<locked>>	96%	56768	89%	**55	100%
Rottweil R 903	<<locked>>	97%	49342	77%	**79	98%
[Rottweil R 907]*	<<locked>>	97%	47979	75%	**87	92%
SNPE Vectan SP 10	<<locked>>	84%	57130	90%	**74	100%
SNPE Vectan SP 11	<<locked>>	97%	51532	81%	**51	98%
SNPE Vectan SP 7	<<locked>>	92%	57130	90%	**68	97%
SNPE Vectan SP 9	<<locked>>	94%	57014	89%	**01	99%
SNPE Vectan Tubal 3000	<<locked>>	92%	56913	89%	**92	100%
SNPE Vectan Tubal 5000	<<locked>>	97%	53969	85%	**36	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	97%	45455	71%	**05	92%
[Shooters World Long Rifle]*	<<locked>>	97%	45847	72%	**64	94%
Shooters World Match Rifle	<<locked>>	93%	56492	89%	**87	100%
Shooters World Precision	<<locked>>	97%	56362	88%	**81	100%
Shooters World Tactical Rifle	<<locked>>	85%	56826	89%	**32	99%
Somchem S321	<<locked>>	88%	56840	89%	**87	100%
Somchem S335	<<locked>>	93%	56507	89%	**92	100%
Somchem S341	<<locked>>	92%	57363	90%	**84	99%
Somchem S355	<<locked>>	97%	50575	79%	**96	98%
Somchem S365	<<locked>>	97%	36056	57%	**66	96%
Vihtavuori N120	<<locked>>	84%	56826	89%	**07	100%
Vihtavuori N130	<<locked>>	89%	57029	89%	**69	100%
Vihtavuori N133	<<locked>>	95%	56579	89%	**76	100%
Vihtavuori N135	<<locked>>	97%	47834	75%	**07	100%
Vihtavuori N140	<<locked>>	96%	57261	90%	**51	100%
Vihtavuori N150	<<locked>>	97%	42641	67%	**09	98%
Vihtavuori N160	<<locked>>	97%	45368	71%	**91	95%
Vihtavuori N530	<<locked>>	90%	57058	89%	**87	100%
Vihtavuori N540	<<locked>>	96%	57406	90%	**87	100%
Vihtavuori N550	<<locked>>	97%	45150	71%	**40	95%
Winchester 6.5 StaBALL	<<locked>>	97%	44483	70%	**45	97%
Winchester 748	<<locked>>	89%	57130	90%	**23	100%
[Winchester 760]*	<<locked>>	97%	48762	76%	**02	93%
Winchester StaBALL Match	<<locked>>	87%	56985	89%	**07	99%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	38479	60%	**30	95%
[ADI AR 2208]*	<<locked>>	81%	32706	51%	**53	91%
ADI AR 2219	<<locked>>	81%	51140	80%	**86	100%
ADI Benchmark 8208	<<locked>>	81%	40654	64%	**56	97%
Accurate 2015	<<locked>>	81%	43555	68%	**92	100%
[Accurate 2200]*	<<locked>>	81%	40785	64%	**46	94%
Accurate 2230	<<locked>>	81%	45948	72%	**54	98%
Accurate 2460	<<locked>>	81%	45803	72%	**68	99%
Accurate 2495	<<locked>>	81%	37652	59%	**40	100%
Accurate 2520	<<locked>>	81%	39102	61%	**66	98%
[Accurate 2700]*	<<locked>>	91%	44556	70%	**59	90%
Accurate 4064	<<locked>>	81%	31647	50%	**82	97%
[Accurate 4350]*	<<locked>>	91%	32213	50%	**38	90%
Alliant AR-Comp	<<locked>>	81%	39436	62%	**86	100%
[Alliant Power Pro 2000-MR]*	<<locked>>	81%	34809	55%	**13	91%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	31473	49%	**72	93%
Alliant Reloder-10x	<<locked>>	81%	47311	74%	**68	100%
[Alliant Reloder-15]*	<<locked>>	81%	34258	54%	**41	92%
[Alliant Reloder-16]*	<<locked>>	91%	33881	53%	**54	90%
[Alliant Reloder-17]*	<<locked>>	84%	30168	47%	**66	90%
Baschieri & Pellagri 106	<<locked>>	81%	50096	79%	**45	100%
[Baschieri & Pellagri 107]*	<<locked>>	81%	37579	59%	**17	93%
[Bofors RP3]*	<<locked>>	81%	30734	48%	**62	93%
[Bofors RP7]*	<<locked>>	93%	42960	67%	**86	90%
Hodgdon BL-C2	<<locked>>	81%	39233	61%	**79	97%
Hodgdon Benchmark	<<locked>>	81%	42917	67%	**72	98%
[Hodgdon CFE223]*	<<locked>>	81%	32866	52%	**15	90%
Hodgdon H322	<<locked>>	81%	43047	67%	**35	100%
Hodgdon H335	<<locked>>	81%	50328	79%	**76	100%
[Hodgdon H380]*	<<locked>>	82%	33504	53%	**99	90%
[Hodgdon H414]*	<<locked>>	92%	41104	64%	**28	90%
Hodgdon H4198	<<locked>>	81%	52649	83%	**20	100%
Hodgdon H4895	<<locked>>	81%	38725	61%	**46	96%
[Hodgdon Hybrid 100V]*	<<locked>>	89%	29254	46%	**97	90%
[Hodgdon LVR]*	<<locked>>	90%	35230	55%	**84	90%
[Hodgdon VARGET]*	<<locked>>	81%	32430	51%	**46	91%
Hodgdon TrailBoss	<<locked>>	81%	25933	41%	**21	100%
IMR 3031	<<locked>>	81%	34011	53%	**81	99%
[IMR 4064]*	<<locked>>	81%	31879	50%	**33	91%
[IMR 4166 Enduron]*	<<locked>>	88%	40727	64%	**10	90%
IMR 4198	<<locked>>	81%	48254	76%	**45	100%
[IMR 4451 Enduron]*	<<locked>>	91%	41423	65%	**46	90%
[IMR 4895]*	<<locked>>	81%	35099	55%	**77	94%
IMR 8208 XBR	<<locked>>	81%	40654	64%	**56	97%
Lovex D073.4	<<locked>>	81%	47572	75%	**91	99%
Lovex D073.5	<<locked>>	81%	45556	71%	**54	99%
Lovex D073.6	<<locked>>	81%	36448	57%	**07	98%
Lovex S060	<<locked>>	81%	39189	61%	**74	95%
Lovex S062	<<locked>>	81%	33605	53%	**99	95%
[Lovex S065]*	<<locked>>	90%	36434	57%	**51	90%
[Lovex S070]*	<<locked>>	94%	39827	62%	**46	90%
Norma 201	<<locked>>	81%	37376	59%	**87	96%
Norma 202	<<locked>>	81%	37478	59%	**00	98%
[Norma 203B]*	<<locked>>	81%	33547	53%	**25	93%
[Norma URP]*	<<locked>>	91%	33112	52%	**41	90%
[Ramshot Big Game]*	<<locked>>	81%	33301	52%	**28	92%
[Ramshot TAC]*	<<locked>>	81%	40930	64%	**49	92%
Ramshot Wild Boar	<<locked>>	81%	39494	62%	**66	95%
Ramshot X-Terminator	<<locked>>	81%	44338	69%	**18	97%
ReloadSwiss RS 14	<<locked>>	81%	25962	41%	**60	100%
ReloadSwiss RS 40	<<locked>>	81%	45934	72%	**74	99%
[ReloadSwiss RS 50]*	<<locked>>	86%	38566	60%	**97	90%
[ReloadSwiss RS 52]*	<<locked>>	81%	35273	55%	**40	93%
[ReloadSwiss RS 60]*	<<locked>>	81%	29428	46%	**62	93%
[ReloadSwiss RS 62]*	<<locked>>	92%	33939	53%	**87	90%
[ReloadSwiss RS 70]*	<<locked>>	94%	37652	59%	**56	90%
Rottweil R 901	<<locked>>	81%	41278	65%	**59	99%
Rottweil R 902	<<locked>>	81%	35476	56%	**28	95%
[Rottweil R 903]*	<<locked>>	81%	28718	45%	**84	91%
[Rottweil R 907]*	<<locked>>	93%	42960	67%	**86	90%
SNPE Vectan SP 10	<<locked>>	81%	51285	80%	**86	100%
[SNPE Vectan SP 11]*	<<locked>>	81%	30356	48%	**43	90%
[SNPE Vectan SP 7]*	<<locked>>	81%	38580	60%	**07	92%
[SNPE Vectan SP 9]*	<<locked>>	81%	36999	58%	**94	94%
SNPE Vectan Tubal 3000	<<locked>>	81%	39349	62%	**64	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	32097	50%	**00	98%
[SNPE Vectan Tubal 7000]*	<<locked>>	93%	39856	62%	**87	90%
[Shooters World Long Rifle]*	<<locked>>	90%	36434	57%	**51	90%
Shooters World Match Rifle	<<locked>>	81%	36448	57%	**07	98%
Shooters World Precision	<<locked>>	81%	33605	53%	**99	95%
Shooters World Tactical Rifle	<<locked>>	81%	48515	76%	**84	98%
Somchem S321	<<locked>>	81%	43758	69%	**48	98%
Somchem S335	<<locked>>	81%	38638	61%	**64	99%
Somchem S341	<<locked>>	81%	38203	60%	**10	95%
[Somchem S355]*	<<locked>>	81%	29950	47%	**10	92%
[Somchem S365]*	<<locked>>	88%	26687	42%	**64	90%
Vihtavuori N120	<<locked>>	81%	51634	81%	**28	100%
Vihtavuori N130	<<locked>>	81%	43729	69%	**49	100%
Vihtavuori N133	<<locked>>	81%	36869	58%	**22	100%
Vihtavuori N135	<<locked>>	81%	28935	45%	**74	98%
Vihtavuori N140	<<locked>>	81%	35041	55%	**28	98%
[Vihtavuori N150]*	<<locked>>	81%	25353	40%	**46	91%
[Vihtavuori N160]*	<<locked>>	88%	33054	52%	**99	90%
Vihtavuori N530	<<locked>>	81%	42757	67%	**25	98%
Vihtavuori N540	<<locked>>	81%	34969	55%	**44	98%
[Vihtavuori N550]*	<<locked>>	88%	33431	52%	**51	90%
[Winchester 6.5 StaBALL]*	<<locked>>	84%	28834	45%	**31	90%
Winchester 748	<<locked>>	81%	42902	67%	**68	98%
[Winchester 760]*	<<locked>>	92%	41104	64%	**28	90%
Winchester StaBALL Match	<<locked>>	81%	45614	71%	**10	98%

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