Load data for .300 Lapua Mag. + .308 | 131gr | THAC EDH

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 131gr \| THAC EDH
Manufacturer SKU:	55817837707608
Bullet Weight:	131gr \| 8.5g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	<<locked>>
Caliber:	.300 Lapua Mag. load data
Case Length (l3):	2.724" \| 69.2mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	100.0 Grains of Water \| 6.49 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	60916 psi \| 4200 bar
LID:	LID_B12351_C363
Last updated:	2026-05-31
Recommended Twist Rate:	1:21 - 1:18

Load data for 154 loads in caliber .300 Lapua Mag. with .308 | 131gr | THAC EDH bullet and 77 powders such as Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365. 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 2208	<<locked>>	86%	54302	89%	**71	100%
ADI AR 2209	<<locked>>	97%	53505	88%	**27	96%
[ADI AR 2213]*	<<locked>>	97%	48283	79%	**22	92%
Accurate 2700	<<locked>>	84%	54288	89%	**25	97%
Accurate 3100	<<locked>>	97%	46876	77%	**43	97%
Accurate 4064	<<locked>>	84%	54375	89%	**41	100%
Accurate 4350 👍	<<locked>>	92%	54766	90%	**40	100%
Alliant Reloder- TS 15.5	<<locked>>	86%	54781	90%	**94	100%
Alliant Reloder-15	<<locked>>	84%	54795	90%	**04	100%
Alliant Reloder-16 👍	<<locked>>	93%	54360	89%	**83	100%
Alliant Reloder-17	<<locked>>	89%	54404	89%	**92	100%
Alliant Reloder-19	<<locked>>	97%	52692	86%	**97	96%
[Alliant Reloder-22]*	<<locked>>	97%	46905	77%	**28	94%
Alliant Reloder-23	<<locked>>	97%	44106	72%	**66	99%
Alliant Reloder-25	<<locked>>	97%	38566	63%	**51	95%
Alliant Reloder-26	<<locked>>	97%	50691	83%	**76	99%
[Bofors RP15]*	<<locked>>	97%	43105	71%	**33	92%
Bofors RP3	<<locked>>	85%	54331	89%	**87	100%
[Bofors RP5]*	<<locked>>	97%	46905	77%	**28	94%
Bofors RP7	<<locked>>	90%	54723	90%	**61	97%
Hodgdon H380	<<locked>>	85%	54099	89%	**91	99%
Hodgdon H414	<<locked>>	91%	54665	90%	**46	98%
Hodgdon H4350	<<locked>>	89%	54462	89%	**01	96%
[Hodgdon H4831]*	<<locked>>	97%	51488	85%	**45	93%
[Hodgdon H4831 SC]*	<<locked>>	97%	50647	83%	**19	92%
Hodgdon Hybrid 100V	<<locked>>	95%	54520	89%	**97	100%
Hodgdon Superperformance	<<locked>>	91%	54578	90%	**63	97%
Hodgdon TrailBoss	<<locked>>	97%	34708	57%	**96	100%
IMR 4064	<<locked>>	85%	54621	90%	**68	100%
IMR 4166 Enduron	<<locked>>	83%	54665	90%	**45	98%
IMR 4350	<<locked>>	93%	54650	90%	**87	97%
IMR 4451 Enduron	<<locked>>	89%	54375	89%	**58	97%
IMR 4831	<<locked>>	94%	54273	89%	**01	100%
[IMR 4955 Enduron]*	<<locked>>	97%	53214	87%	**48	94%
Lovex S062	<<locked>>	84%	54070	89%	**55	100%
Lovex S065	<<locked>>	90%	54302	89%	**58	99%
Lovex S070	<<locked>>	92%	54346	89%	**87	98%
Lovex S071	<<locked>>	97%	38972	64%	**69	95%
Norma 203B	<<locked>>	84%	54737	90%	**01	100%
Norma 204	<<locked>>	93%	54462	89%	**17	96%
Norma MRP	<<locked>>	97%	49908	82%	**17	97%
Norma URP 👍	<<locked>>	93%	54462	89%	**33	99%
Ramshot Big Game	<<locked>>	84%	54360	89%	**10	100%
Ramshot Hunter	<<locked>>	93%	54650	90%	**53	99%
[Ramshot Magnum]*	<<locked>>	97%	40611	67%	**48	92%
ReloadSwiss RS 14	<<locked>>	97%	35172	58%	**39	100%
ReloadSwiss RS 50	<<locked>>	85%	54433	89%	**64	98%
ReloadSwiss RS 60	<<locked>>	87%	54578	90%	**99	100%
ReloadSwiss RS 62 👍	<<locked>>	92%	54665	90%	**50	99%
ReloadSwiss RS 70	<<locked>>	93%	54259	89%	**99	99%
Rottweil R 902	<<locked>>	84%	54824	90%	**45	100%
Rottweil R 903	<<locked>>	87%	54259	89%	**71	100%
Rottweil R 904	<<locked>>	96%	54273	89%	**68	95%
Rottweil R 905	<<locked>>	97%	51851	85%	**81	96%
Rottweil R 907	<<locked>>	90%	54723	90%	**61	97%
SNPE Vectan SP 11	<<locked>>	86%	54578	90%	**20	100%
SNPE Vectan Tubal 5000	<<locked>>	87%	54520	89%	**59	100%
SNPE Vectan Tubal 7000	<<locked>>	91%	54418	89%	**09	98%
SNPE Vectan Tubal 8000	<<locked>>	97%	51387	84%	**84	96%
Shooters World Long Rifle	<<locked>>	90%	54302	89%	**58	99%
Shooters World Precision	<<locked>>	84%	54070	89%	**55	100%
Somchem S355	<<locked>>	87%	54273	89%	**78	100%
[Somchem S361]*	<<locked>>	95%	54752	90%	**35	94%
Somchem S365 👍	<<locked>>	95%	54694	90%	**50	100%
Somchem S385	<<locked>>	97%	53098	87%	**71	97%
Vihtavuori N135	<<locked>>	85%	54549	90%	**05	100%
Vihtavuori N150	<<locked>>	89%	54650	90%	**38	100%
Vihtavuori N160	<<locked>>	91%	54505	89%	**97	99%
[Vihtavuori N165]*	<<locked>>	97%	45368	74%	**04	94%
Vihtavuori N540	<<locked>>	84%	54331	89%	**19	100%
Vihtavuori N550	<<locked>>	92%	54447	89%	**07	99%
Vihtavuori N555	<<locked>>	97%	49864	82%	**78	99%
[Vihtavuori N560]*	<<locked>>	97%	50314	83%	**97	93%
Winchester 6.5 StaBALL	<<locked>>	91%	54650	90%	**61	100%
Winchester 760	<<locked>>	91%	54665	90%	**46	98%
Winchester StaBALL HD	<<locked>>	97%	37942	62%	**89	100%
Winchester Supreme 780	<<locked>>	97%	49705	82%	**96	95%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	46195	76%	**04	99%
[ADI AR 2209]*	<<locked>>	87%	38435	63%	**79	90%
[ADI AR 2213]*	<<locked>>	93%	42859	70%	**04	90%
Accurate 2700	<<locked>>	81%	49632	81%	**27	96%
[Accurate 3100]*	<<locked>>	84%	30211	50%	**30	90%
Accurate 4064	<<locked>>	81%	49008	80%	**50	100%
Accurate 4350	<<locked>>	81%	37115	61%	**56	96%
Alliant Reloder- TS 15.5	<<locked>>	81%	46543	76%	**30	100%
Alliant Reloder-15	<<locked>>	81%	49980	82%	**19	99%
Alliant Reloder-16	<<locked>>	81%	36289	60%	**69	96%
Alliant Reloder-17	<<locked>>	81%	41118	68%	**10	99%
[Alliant Reloder-19]*	<<locked>>	86%	37289	61%	**53	90%
[Alliant Reloder-22]*	<<locked>>	91%	37956	62%	**05	90%
[Alliant Reloder-23]*	<<locked>>	81%	26455	43%	**61	92%
[Alliant Reloder-25]*	<<locked>>	90%	31082	51%	**12	90%
[Alliant Reloder-26]*	<<locked>>	82%	29385	48%	**95	90%
[Bofors RP15]*	<<locked>>	93%	38435	63%	**15	90%
Bofors RP3	<<locked>>	81%	47065	77%	**56	100%
[Bofors RP5]*	<<locked>>	91%	37956	62%	**05	90%
[Bofors RP7]*	<<locked>>	81%	41466	68%	**86	93%
Hodgdon H380	<<locked>>	81%	47718	78%	**59	98%
[Hodgdon H414]*	<<locked>>	81%	39291	65%	**09	93%
[Hodgdon H4350]*	<<locked>>	81%	42337	69%	**41	93%
[Hodgdon H4831]*	<<locked>>	92%	44092	72%	**84	90%
[Hodgdon H4831 SC]*	<<locked>>	93%	43830	72%	**84	90%
Hodgdon Hybrid 100V	<<locked>>	81%	33721	55%	**54	97%
[Hodgdon Superperformance]*	<<locked>>	81%	38305	63%	**05	92%
Hodgdon TrailBoss	<<locked>>	81%	27470	45%	**19	100%
IMR 4064	<<locked>>	81%	48617	80%	**46	99%
IMR 4166 Enduron	<<locked>>	81%	51198	84%	**79	97%
[IMR 4350]*	<<locked>>	81%	36883	61%	**90	92%
[IMR 4451 Enduron]*	<<locked>>	81%	42859	70%	**18	94%
IMR 4831	<<locked>>	81%	35752	59%	**04	95%
[IMR 4955 Enduron]*	<<locked>>	90%	42815	70%	**15	90%
Lovex S062	<<locked>>	81%	48704	80%	**50	100%
Lovex S065	<<locked>>	81%	40306	66%	**72	95%
[Lovex S070]*	<<locked>>	81%	38493	63%	**30	93%
[Lovex S071]*	<<locked>>	89%	30458	50%	**36	90%
Norma 203B	<<locked>>	81%	49472	81%	**05	100%
[Norma 204]*	<<locked>>	82%	38174	63%	**49	90%
[Norma MRP]*	<<locked>>	86%	34345	56%	**33	90%
Norma URP	<<locked>>	81%	36927	61%	**46	95%
Ramshot Big Game	<<locked>>	81%	49705	82%	**22	100%
[Ramshot Hunter]*	<<locked>>	81%	35810	59%	**23	93%
[Ramshot Magnum]*	<<locked>>	94%	36927	61%	**43	90%
ReloadSwiss RS 14	<<locked>>	81%	27905	46%	**65	100%
ReloadSwiss RS 50	<<locked>>	81%	47703	78%	**36	97%
ReloadSwiss RS 60	<<locked>>	81%	43700	72%	**96	100%
ReloadSwiss RS 62	<<locked>>	81%	36811	60%	**63	95%
[ReloadSwiss RS 70]*	<<locked>>	81%	35955	59%	**56	94%
Rottweil R 902	<<locked>>	81%	50589	83%	**66	100%
Rottweil R 903	<<locked>>	81%	44179	73%	**91	99%
[Rottweil R 904]*	<<locked>>	87%	40857	67%	**95	90%
[Rottweil R 905]*	<<locked>>	87%	36782	60%	**46	90%
[Rottweil R 907]*	<<locked>>	81%	41466	68%	**86	93%
SNPE Vectan SP 11	<<locked>>	81%	45353	74%	**43	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	45716	75%	**09	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	81%	39682	65%	**07	94%
[SNPE Vectan Tubal 8000]*	<<locked>>	87%	37376	61%	**56	90%
Shooters World Long Rifle	<<locked>>	81%	40306	66%	**72	95%
Shooters World Precision	<<locked>>	81%	48704	80%	**50	100%
Somchem S355	<<locked>>	81%	44556	73%	**91	99%
[Somchem S361]*	<<locked>>	89%	43671	72%	**12	90%
Somchem S365	<<locked>>	81%	33199	55%	**87	98%
[Somchem S385]*	<<locked>>	84%	34577	57%	**51	90%
Vihtavuori N135	<<locked>>	81%	48472	80%	**10	100%
Vihtavuori N150	<<locked>>	81%	42656	70%	**12	100%
Vihtavuori N160	<<locked>>	81%	38377	63%	**56	96%
[Vihtavuori N165]*	<<locked>>	90%	35665	59%	**67	90%
Vihtavuori N540	<<locked>>	81%	49676	82%	**43	100%
Vihtavuori N550	<<locked>>	81%	38000	62%	**59	96%
[Vihtavuori N555]*	<<locked>>	81%	28805	47%	**40	92%
[Vihtavuori N560]*	<<locked>>	92%	43250	71%	**46	90%
Winchester 6.5 StaBALL	<<locked>>	81%	37681	62%	**27	98%
[Winchester 760]*	<<locked>>	81%	39291	65%	**09	93%
[Winchester StaBALL HD]*	<<locked>>	83%	25309	42%	**64	90%
[Winchester Supreme 780]*	<<locked>>	89%	38043	62%	**30	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.

<<locked>>... you need to buy an access license to unlock the data