Load data for .300 Win. Mag. + .308 | 123gr | Nosler Expansion Tip

Recommended Powder(s): IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 123gr \| Nosler Expansion Tip
Manufacturer SKU:	59387
Bullet Weight:	123gr \| 8.0g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	1.363" \| 34.6mm
Caliber:	.300 Win. Mag. load data
Case Length (l3):	2.620" \| 66.5mm
Cartridge Length (C.O.L.):	3.290" \| 83.6mm
Seated Depth:	0.693" \| 17.6mm
Shank Seated Depth:	0.591" \| 15.0mm
Case Capacity:	90.5 Grains of Water \| 5.88 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	62366 psi \| 4300 bar
LID:	LID_B4129_C380
Last updated:	2025-12-18
Recommended Twist Rate:	1:10 - 1:9

Load data for 188 loads in caliber .300 Win. Mag. with .308 | 123gr | Nosler Expansion Tip bullet and 94 powders such as IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60. 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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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>>	89%	55593	89%	**20	99%
ADI AR 2208	<<locked>>	95%	56043	90%	**97	99%
Accurate 2015	<<locked>>	86%	55506	89%	**22	100%
Accurate 2200	<<locked>>	88%	55637	89%	**81	98%
Accurate 2230	<<locked>>	83%	55390	89%	**55	99%
Accurate 2460	<<locked>>	83%	55492	89%	**64	100%
Accurate 2495	<<locked>>	89%	55825	90%	**91	100%
Accurate 2520	<<locked>>	88%	55883	90%	**07	100%
[Accurate 2700]*	<<locked>>	95%	55767	89%	**12	94%
Accurate 4064	<<locked>>	94%	55579	89%	**01	100%
Accurate 4350	<<locked>>	97%	45948	74%	**92	96%
Alliant AR-Comp	<<locked>>	88%	55840	90%	**81	100%
Alliant Reloder- TS 15.5	<<locked>>	95%	55419	89%	**20	100%
Alliant Reloder-10x	<<locked>>	83%	55782	89%	**41	100%
Alliant Reloder-15	<<locked>>	92%	55332	89%	**27	99%
Alliant Reloder-16	<<locked>>	97%	45223	73%	**96	96%
Alliant Reloder-17	<<locked>>	97%	52968	85%	**83	99%
[Alliant Reloder-23]*	<<locked>>	97%	32082	51%	**54	92%
Baschieri & Pellagri 107	<<locked>>	90%	56115	90%	**33	98%
Bofors RP3	<<locked>>	94%	55332	89%	**33	100%
[Bofors RP7]*	<<locked>>	97%	52692	84%	**19	94%
Hodgdon BL-C2	<<locked>>	87%	55405	89%	**27	100%
Hodgdon Benchmark	<<locked>>	87%	55666	89%	**48	100%
Hodgdon CFE223	<<locked>>	93%	55970	90%	**76	98%
Hodgdon H322	<<locked>>	86%	55463	89%	**81	100%
Hodgdon H380	<<locked>>	94%	55651	89%	**20	98%
Hodgdon H414	<<locked>>	97%	54491	87%	**53	95%
Hodgdon Hybrid 100V	<<locked>>	97%	41843	67%	**77	97%
Hodgdon LVR	<<locked>>	97%	50024	80%	**58	96%
[Hodgdon Superperformance]*	<<locked>>	97%	50372	81%	**74	93%
Hodgdon VARGET	<<locked>>	95%	55695	89%	**97	99%
Hodgdon TrailBoss	<<locked>>	96%	33243	53%	**34	100%
IMR 3031	<<locked>>	92%	55303	89%	**33	100%
IMR 4064	<<locked>>	96%	56072	90%	**94	99%
IMR 4166 Enduron	<<locked>>	96%	55477	89%	**51	95%
[IMR 4350]*	<<locked>>	97%	46818	75%	**23	92%
IMR 4451 Enduron	<<locked>>	97%	54723	88%	**68	95%
[IMR 4831]*	<<locked>>	97%	39262	63%	**18	94%
IMR 4895 👍	<<locked>>	92%	55999	90%	**56	99%
IMR 8208 XBR	<<locked>>	88%	55825	90%	**91	100%
Lovex D073.5	<<locked>>	84%	56086	90%	**81	100%
Lovex D073.6	<<locked>>	90%	56072	90%	**17	100%
Lovex S060	<<locked>>	90%	56028	90%	**51	99%
Lovex S062	<<locked>>	93%	55376	89%	**91	100%
Lovex S065	<<locked>>	97%	50546	81%	**96	96%
[Lovex S070]*	<<locked>>	97%	48617	78%	**66	94%
Norma 201	<<locked>>	90%	55361	89%	**84	100%
Norma 202	<<locked>>	90%	55796	89%	**94	100%
Norma 203B 👍	<<locked>>	93%	55999	90%	**46	99%
Norma URP	<<locked>>	97%	46166	74%	**92	96%
Ramshot Big Game 👍	<<locked>>	93%	55419	89%	**53	99%
[Ramshot Hunter]*	<<locked>>	97%	45034	72%	**63	94%
Ramshot TAC	<<locked>>	88%	55840	90%	**84	97%
Ramshot Wild Boar	<<locked>>	88%	55840	90%	**23	99%
Ramshot X-Terminator	<<locked>>	85%	55550	89%	**64	99%
ReloadSwiss RS 14	<<locked>>	96%	33663	54%	**80	100%
ReloadSwiss RS 40	<<locked>>	84%	55230	89%	**78	100%
ReloadSwiss RS 50	<<locked>>	94%	55767	89%	**87	96%
ReloadSwiss RS 52 👍	<<locked>>	90%	55390	89%	**09	99%
ReloadSwiss RS 60 👍	<<locked>>	96%	55666	89%	**48	100%
ReloadSwiss RS 62	<<locked>>	97%	46137	74%	**09	96%
ReloadSwiss RS 70	<<locked>>	97%	46296	74%	**15	95%
Rottweil R 901	<<locked>>	88%	55753	89%	**64	100%
Rottweil R 902	<<locked>>	92%	55956	90%	**81	100%
Rottweil R 903	<<locked>>	97%	56043	90%	**30	99%
[Rottweil R 907]*	<<locked>>	97%	52692	84%	**19	94%
SNPE Vectan SP 11	<<locked>>	96%	55999	90%	**66	99%
SNPE Vectan SP 7	<<locked>>	88%	55434	89%	**84	98%
SNPE Vectan SP 9	<<locked>>	90%	55738	89%	**17	99%
SNPE Vectan Tubal 3000	<<locked>>	89%	56101	90%	**15	100%
SNPE Vectan Tubal 5000	<<locked>>	95%	55332	89%	**89	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	97%	51256	82%	**40	94%
Shooters World Long Rifle	<<locked>>	97%	50546	81%	**96	96%
Shooters World Match Rifle	<<locked>>	90%	56072	90%	**17	100%
Shooters World Precision	<<locked>>	93%	55376	89%	**91	100%
Somchem S321	<<locked>>	85%	55622	89%	**07	100%
Somchem S335	<<locked>>	90%	55782	89%	**15	100%
Somchem S341	<<locked>>	89%	55593	89%	**81	99%
Somchem S355	<<locked>>	97%	55912	90%	**20	99%
Somchem S365	<<locked>>	97%	40915	66%	**20	98%
Vihtavuori N130	<<locked>>	86%	55927	90%	**92	100%
Vihtavuori N133	<<locked>>	92%	55941	90%	**99	100%
Vihtavuori N135	<<locked>>	97%	53040	85%	**19	100%
Vihtavuori N140	<<locked>>	92%	56057	90%	**64	100%
Vihtavuori N150	<<locked>>	97%	47456	76%	**36	99%
Vihtavuori N160	<<locked>>	97%	51140	82%	**41	97%
Vihtavuori N530	<<locked>>	86%	55999	90%	**10	100%
Vihtavuori N540	<<locked>>	92%	55970	90%	**87	100%
Vihtavuori N550	<<locked>>	97%	50981	82%	**91	97%
[Vihtavuori N555]*	<<locked>>	97%	34098	55%	**53	93%
Winchester 6.5 StaBALL	<<locked>>	97%	49284	79%	**76	99%
Winchester 748	<<locked>>	85%	55985	90%	**46	100%
Winchester 760	<<locked>>	97%	54491	87%	**53	95%
Winchester StaBALL Match	<<locked>>	83%	55288	89%	**14	99%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	42453	68%	**61	97%
[ADI AR 2208]*	<<locked>>	81%	36071	58%	**81	93%
Accurate 2015	<<locked>>	81%	48196	77%	**97	100%
Accurate 2200	<<locked>>	81%	44788	72%	**68	96%
Accurate 2230	<<locked>>	81%	50662	81%	**79	99%
Accurate 2460	<<locked>>	81%	51010	82%	**89	100%
Accurate 2495	<<locked>>	81%	43279	69%	**77	100%
Accurate 2520	<<locked>>	81%	44179	71%	**04	99%
[Accurate 2700]*	<<locked>>	87%	42206	68%	**43	90%
Accurate 4064	<<locked>>	81%	36419	58%	**30	99%
[Accurate 4350]*	<<locked>>	86%	31430	50%	**28	90%
Alliant AR-Comp	<<locked>>	81%	44222	71%	**91	100%
Alliant Reloder- TS 15.5	<<locked>>	81%	35404	57%	**97	95%
Alliant Reloder-10x	<<locked>>	81%	52098	84%	**79	100%
[Alliant Reloder-15]*	<<locked>>	81%	38087	61%	**69	94%
[Alliant Reloder-16]*	<<locked>>	86%	32721	52%	**48	90%
[Alliant Reloder-17]*	<<locked>>	81%	30734	49%	**25	91%
[Alliant Reloder-23]*	<<locked>>	94%	29544	47%	**66	90%
Baschieri & Pellagri 107	<<locked>>	81%	41611	67%	**48	95%
Bofors RP3	<<locked>>	81%	34896	56%	**90	95%
[Bofors RP7]*	<<locked>>	89%	41452	66%	**82	90%
Hodgdon BL-C2	<<locked>>	81%	44179	71%	**17	98%
Hodgdon Benchmark	<<locked>>	81%	46514	75%	**77	99%
[Hodgdon CFE223]*	<<locked>>	81%	36593	59%	**49	93%
Hodgdon H322	<<locked>>	81%	47152	76%	**46	100%
[Hodgdon H380]*	<<locked>>	81%	35998	58%	**00	92%
[Hodgdon H414]*	<<locked>>	88%	39552	63%	**31	90%
[Hodgdon Hybrid 100V]*	<<locked>>	84%	27862	45%	**77	90%
[Hodgdon LVR]*	<<locked>>	85%	33939	54%	**71	90%
[Hodgdon Superperformance]*	<<locked>>	92%	42351	68%	**97	90%
[Hodgdon VARGET]*	<<locked>>	81%	35926	58%	**67	93%
Hodgdon TrailBoss	<<locked>>	81%	26295	42%	**60	100%
IMR 3031	<<locked>>	81%	38406	62%	**02	100%
[IMR 4064]*	<<locked>>	81%	35375	57%	**51	93%
[IMR 4166 Enduron]*	<<locked>>	84%	39189	63%	**04	90%
[IMR 4350]*	<<locked>>	93%	41278	66%	**99	90%
[IMR 4451 Enduron]*	<<locked>>	86%	39769	64%	**49	90%
[IMR 4831]*	<<locked>>	90%	30937	50%	**92	90%
IMR 4895	<<locked>>	81%	39059	63%	**02	96%
IMR 8208 XBR	<<locked>>	81%	44701	72%	**81	98%
Lovex D073.5	<<locked>>	81%	50633	81%	**86	100%
Lovex D073.6	<<locked>>	81%	41147	66%	**31	99%
Lovex S060	<<locked>>	81%	42844	69%	**02	97%
Lovex S062	<<locked>>	81%	37637	60%	**23	97%
[Lovex S065]*	<<locked>>	85%	35056	56%	**35	90%
[Lovex S070]*	<<locked>>	90%	38696	62%	**49	90%
Norma 201	<<locked>>	81%	41582	67%	**09	98%
Norma 202	<<locked>>	81%	41698	67%	**22	99%
Norma 203B	<<locked>>	81%	37608	60%	**59	95%
[Norma URP]*	<<locked>>	86%	31952	51%	**35	90%
Ramshot Big Game	<<locked>>	81%	37231	60%	**66	95%
[Ramshot Hunter]*	<<locked>>	91%	37014	59%	**66	90%
[Ramshot TAC]*	<<locked>>	81%	44715	72%	**71	94%
Ramshot Wild Boar	<<locked>>	81%	43903	70%	**91	97%
Ramshot X-Terminator	<<locked>>	81%	48457	78%	**30	98%
ReloadSwiss RS 14	<<locked>>	81%	26687	43%	**09	100%
ReloadSwiss RS 40	<<locked>>	81%	50169	80%	**86	100%
[ReloadSwiss RS 50]*	<<locked>>	82%	37637	60%	**04	90%
ReloadSwiss RS 52	<<locked>>	81%	39624	64%	**84	95%
ReloadSwiss RS 60	<<locked>>	81%	32590	52%	**07	96%
[ReloadSwiss RS 62]*	<<locked>>	87%	32532	52%	**71	90%
[ReloadSwiss RS 70]*	<<locked>>	90%	36289	58%	**53	90%
Rottweil R 901	<<locked>>	81%	45701	73%	**87	100%
Rottweil R 902	<<locked>>	81%	39668	64%	**53	97%
[Rottweil R 903]*	<<locked>>	81%	32764	53%	**25	94%
[Rottweil R 907]*	<<locked>>	89%	41452	66%	**82	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	33953	54%	**84	93%
[SNPE Vectan SP 7]*	<<locked>>	81%	42975	69%	**38	94%
SNPE Vectan SP 9	<<locked>>	81%	41002	66%	**15	96%
SNPE Vectan Tubal 3000	<<locked>>	81%	43337	69%	**86	100%
SNPE Vectan Tubal 5000	<<locked>>	81%	35650	57%	**15	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	89%	38986	63%	**97	90%
[Shooters World Long Rifle]*	<<locked>>	85%	35056	56%	**35	90%
Shooters World Match Rifle	<<locked>>	81%	41147	66%	**31	99%
Shooters World Precision	<<locked>>	81%	37637	60%	**23	97%
Somchem S321	<<locked>>	81%	48428	78%	**76	99%
Somchem S335	<<locked>>	81%	42714	68%	**79	100%
Somchem S341	<<locked>>	81%	42496	68%	**35	96%
[Somchem S355]*	<<locked>>	81%	33823	54%	**44	94%
[Somchem S365]*	<<locked>>	83%	25846	41%	**57	90%
Vihtavuori N130	<<locked>>	81%	47964	77%	**58	100%
Vihtavuori N133	<<locked>>	81%	40553	65%	**33	100%
Vihtavuori N135	<<locked>>	81%	32793	53%	**08	99%
Vihtavuori N140	<<locked>>	81%	39088	63%	**40	99%
[Vihtavuori N150]*	<<locked>>	81%	28660	46%	**74	93%
[Vihtavuori N160]*	<<locked>>	83%	31923	51%	**92	90%
Vihtavuori N530	<<locked>>	81%	47065	75%	**46	99%
Vihtavuori N540	<<locked>>	81%	38798	62%	**59	99%
[Vihtavuori N550]*	<<locked>>	83%	32169	52%	**41	90%
[Vihtavuori N555]*	<<locked>>	93%	29936	48%	**22	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	28848	46%	**54	91%
Winchester 748	<<locked>>	81%	47514	76%	**96	99%
[Winchester 760]*	<<locked>>	88%	39552	63%	**31	90%
Winchester StaBALL Match	<<locked>>	81%	50792	81%	**35	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