Load data for 9.3 x 57 + .366 | 285gr | Lapua Mega

Recommended Powder(s): Accurate 2520, Accurate 4064, Lovex D073.6, Shooters World Match Rifle

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.366 \| 285gr \| Lapua Mega
Manufacturer SKU:	4PL9017 \| E433
Bullet Weight:	285gr \| 18.5g
Bullet Diameter:	0.366" \| 9.30mm
Bullet Length:	1.181" \| 30.0mm
Caliber:	9.3 x 57 load data
Case Length (l3):	2.224" \| 56.5mm
Cartridge Length (C.O.L.):	3.180" \| 80.8mm
Seated Depth:	0.225" \| 5.7mm
Shank Seated Depth:	0.225" \| 5.7mm
Case Capacity:	63.0 Grains of Water \| 4.09 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	43511 psi \| 3000 bar
LID:	LID_B3229_C1256
Last updated:	2025-01-01

Load data for 120 loads in caliber 9.3 x 57 with .366 | 285gr | Lapua Mega bullet and 60 powders such as Accurate 2520, Accurate 4064, Lovex D073.6, Shooters World Match Rifle. 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)
Muzzle velocity vs. barrel length
Every 1 inch additional barrel length increases muzzle velocity by approx. 20.9 fps
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
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>>	85%	38870	89%	**03	96%
ADI AR 2208	<<locked>>	90%	38595	89%	**80	95%
[Accurate 2200]*	<<locked>>	83%	39160	90%	**64	94%
Accurate 2495	<<locked>>	86%	38740	89%	**19	100%
Accurate 2520 👍	<<locked>>	85%	38769	89%	**23	99%
Accurate 4064 👍	<<locked>>	91%	38580	89%	**29	100%
[Accurate 4350]*	<<locked>>	97%	33257	76%	**73	93%
Alliant AR-Comp	<<locked>>	85%	38754	89%	**10	100%
Alliant Reloder- TS 15.5	<<locked>>	92%	38856	89%	**26	97%
Alliant Reloder-15	<<locked>>	89%	38580	89%	**16	96%
[Alliant Reloder-16]*	<<locked>>	97%	35853	82%	**90	93%
Alliant Reloder-17	<<locked>>	95%	38769	89%	**78	96%
Baschieri & Pellagri 107	<<locked>>	86%	38957	90%	**16	95%
Hodgdon BL-C2	<<locked>>	85%	38595	89%	**36	98%
Hodgdon CFE223	<<locked>>	90%	39073	90%	**52	95%
[Hodgdon H380]*	<<locked>>	91%	38783	89%	**13	94%
[Hodgdon Hybrid 100V]*	<<locked>>	97%	32372	74%	**05	94%
[Hodgdon LVR]*	<<locked>>	97%	38754	89%	**36	93%
Hodgdon VARGET	<<locked>>	91%	38986	90%	**83	95%
IMR 3031	<<locked>>	89%	39015	90%	**39	100%
IMR 4064	<<locked>>	91%	38740	89%	**77	96%
IMR 4895	<<locked>>	88%	38624	89%	**29	96%
IMR 8208 XBR	<<locked>>	83%	38885	89%	**80	98%
Lovex D073.6 👍	<<locked>>	87%	38508	88%	**16	99%
Lovex S060	<<locked>>	84%	38856	89%	**37	96%
Lovex S062	<<locked>>	89%	38856	89%	**93	98%
[Lovex S065]*	<<locked>>	96%	38711	89%	**87	93%
Norma 201	<<locked>>	86%	38986	90%	**83	98%
Norma 202	<<locked>>	86%	38667	89%	**93	99%
Norma 203B	<<locked>>	90%	39088	90%	**29	96%
[Norma URP]*	<<locked>>	96%	34592	80%	**73	93%
Ramshot Big Game	<<locked>>	90%	39030	90%	**42	96%
[Ramshot TAC]*	<<locked>>	83%	38595	89%	**64	93%
Ramshot Wild Boar	<<locked>>	84%	38885	89%	**13	96%
[ReloadSwiss RS 50]*	<<locked>>	90%	39044	90%	**83	92%
ReloadSwiss RS 52	<<locked>>	91%	38595	89%	**59	98%
ReloadSwiss RS 60	<<locked>>	97%	39059	90%	**92	97%
[ReloadSwiss RS 62]*	<<locked>>	97%	33982	78%	**87	92%
Rottweil R 902	<<locked>>	87%	38537	89%	**67	98%
Rottweil R 903	<<locked>>	95%	39117	90%	**39	97%
SNPE Vectan SP 11	<<locked>>	92%	38508	88%	**39	96%
[SNPE Vectan SP 7]*	<<locked>>	85%	39131	90%	**90	94%
SNPE Vectan SP 9	<<locked>>	86%	38580	89%	**96	96%
SNPE Vectan Tubal 3000	<<locked>>	84%	38580	89%	**14	99%
SNPE Vectan Tubal 5000	<<locked>>	90%	38566	89%	**31	100%
[Shooters World Long Rifle]*	<<locked>>	96%	38711	89%	**87	93%
Shooters World Match Rifle 👍	<<locked>>	87%	38508	88%	**16	99%
Shooters World Precision	<<locked>>	89%	38856	89%	**93	98%
Somchem S335	<<locked>>	85%	38928	89%	**37	100%
Somchem S341	<<locked>>	85%	38812	89%	**93	96%
Somchem S355	<<locked>>	93%	38696	89%	**13	97%
Somchem S365	<<locked>>	97%	31067	71%	**37	95%
Vihtavuori N133	<<locked>>	86%	38421	88%	**21	100%
Vihtavuori N135	<<locked>>	95%	38740	89%	**93	100%
Vihtavuori N140	<<locked>>	88%	38711	89%	**77	100%
Vihtavuori N150	<<locked>>	96%	36347	84%	**57	98%
[Vihtavuori N160]*	<<locked>>	97%	38624	89%	**16	94%
Vihtavuori N540	<<locked>>	88%	38232	88%	**93	99%
[Vihtavuori N550]*	<<locked>>	97%	38101	88%	**49	94%
Winchester 6.5 StaBALL	<<locked>>	97%	38290	88%	**80	96%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	34214	79%	**14	95%
[ADI AR 2208]*	<<locked>>	81%	29486	68%	**96	92%
[Accurate 2200]*	<<locked>>	81%	36390	84%	**14	93%
Accurate 2495	<<locked>>	81%	33243	76%	**28	100%
Accurate 2520	<<locked>>	81%	33953	78%	**41	98%
Accurate 4064	<<locked>>	81%	27978	64%	**26	97%
[Accurate 4350]*	<<locked>>	92%	28558	66%	**72	90%
Alliant AR-Comp	<<locked>>	81%	34490	79%	**41	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	27717	64%	**03	93%
[Alliant Reloder-15]*	<<locked>>	81%	30182	69%	**52	92%
[Alliant Reloder-16]*	<<locked>>	92%	31154	72%	**85	90%
[Alliant Reloder-17]*	<<locked>>	84%	27166	62%	**19	90%
[Baschieri & Pellagri 107]*	<<locked>>	81%	33112	76%	**05	93%
Hodgdon BL-C2	<<locked>>	81%	33968	78%	**47	96%
[Hodgdon CFE223]*	<<locked>>	82%	29515	68%	**49	90%
[Hodgdon H380]*	<<locked>>	83%	29791	68%	**36	90%
[Hodgdon Hybrid 100V]*	<<locked>>	90%	26092	60%	**54	90%
[Hodgdon LVR]*	<<locked>>	90%	31836	73%	**95	90%
[Hodgdon VARGET]*	<<locked>>	81%	29283	67%	**90	91%
IMR 3031	<<locked>>	81%	30226	69%	**75	99%
[IMR 4064]*	<<locked>>	81%	28660	66%	**73	92%
[IMR 4895]*	<<locked>>	81%	30864	71%	**75	94%
IMR 8208 XBR	<<locked>>	81%	36187	83%	**28	97%
Lovex D073.6	<<locked>>	81%	31633	73%	**95	97%
Lovex S060	<<locked>>	81%	35578	82%	**75	95%
Lovex S062	<<locked>>	81%	29936	69%	**23	95%
[Lovex S065]*	<<locked>>	90%	32329	74%	**65	90%
Norma 201	<<locked>>	81%	33562	77%	**82	96%
Norma 202	<<locked>>	81%	33315	77%	**98	98%
[Norma 203B]*	<<locked>>	81%	29718	68%	**46	93%
[Norma URP]*	<<locked>>	92%	30037	69%	**78	90%
[Ramshot Big Game]*	<<locked>>	81%	29327	67%	**42	92%
[Ramshot TAC]*	<<locked>>	81%	36085	83%	**21	92%
Ramshot Wild Boar	<<locked>>	81%	34795	80%	**37	95%
[ReloadSwiss RS 50]*	<<locked>>	87%	35505	82%	**18	90%
[ReloadSwiss RS 52]*	<<locked>>	81%	28181	65%	**46	94%
[ReloadSwiss RS 60]*	<<locked>>	84%	26585	61%	**00	90%
[ReloadSwiss RS 62]*	<<locked>>	94%	31096	71%	**21	90%
Rottweil R 902	<<locked>>	81%	31923	73%	**42	96%
[Rottweil R 903]*	<<locked>>	81%	25092	58%	**50	91%
[SNPE Vectan SP 11]*	<<locked>>	81%	27006	62%	**90	90%
[SNPE Vectan SP 7]*	<<locked>>	81%	33823	78%	**91	92%
[SNPE Vectan SP 9]*	<<locked>>	81%	32764	75%	**88	94%
SNPE Vectan Tubal 3000	<<locked>>	81%	35708	82%	**65	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	28834	66%	**57	98%
[Shooters World Long Rifle]*	<<locked>>	90%	32329	74%	**65	90%
Shooters World Match Rifle	<<locked>>	81%	31633	73%	**95	97%
Shooters World Precision	<<locked>>	81%	29936	69%	**23	95%
Somchem S335	<<locked>>	81%	34867	80%	**69	99%
[Somchem S341]*	<<locked>>	81%	33576	77%	**95	94%
[Somchem S355]*	<<locked>>	81%	26629	61%	**70	92%
[Somchem S365]*	<<locked>>	88%	23917	55%	**41	90%
Vihtavuori N133	<<locked>>	81%	33112	76%	**29	100%
Vihtavuori N135	<<locked>>	81%	25701	59%	**41	98%
Vihtavuori N140	<<locked>>	81%	30951	71%	**39	98%
[Vihtavuori N150]*	<<locked>>	81%	22698	52%	**55	91%
[Vihtavuori N160]*	<<locked>>	89%	30052	69%	**39	90%
Vihtavuori N540	<<locked>>	81%	30676	70%	**52	98%
[Vihtavuori N550]*	<<locked>>	89%	29689	68%	**72	90%
[Winchester 6.5 StaBALL]*	<<locked>>	85%	26658	61%	**37	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