Load data for 9.3 x 57 + .366 | 250gr | Lapua Naturalis

Recommended Powder(s): Accurate 2495, Alliant AR-Comp, IMR 3031

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.366 \| 250gr \| Lapua Naturalis
Manufacturer SKU:	NPL9204 \| N560
Bullet Weight:	250gr \| 16.2g
Bullet Diameter:	0.366" \| 9.30mm
Bullet Length:	1.440" \| 36.6mm
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:	0.484" \| 12.3mm
Shank Seated Depth:	0.484" \| 12.3mm
Case Capacity:	63.0 Grains of Water \| 4.09 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	43511 psi \| 3000 bar
LID:	LID_B3227_C1256
Last updated:	2025-01-01

Load data for 108 loads in caliber 9.3 x 57 with .366 | 250gr | Lapua Naturalis bullet and 54 powders such as Accurate 2495, Alliant AR-Comp, IMR 3031. 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)
No data yet
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>>	91%	38566	89%	**56	93%
[ADI AR 2208]*	<<locked>>	97%	38986	90%	**36	91%
Accurate 2015	<<locked>>	87%	39001	90%	**29	100%
[Accurate 2230]*	<<locked>>	86%	39146	90%	**33	94%
Accurate 2460	<<locked>>	86%	38638	89%	**46	96%
Accurate 2495 👍	<<locked>>	93%	38928	89%	**15	100%
Accurate 2520	<<locked>>	92%	38580	89%	**95	97%
Accurate 4064	<<locked>>	97%	35882	82%	**62	97%
Alliant AR-Comp 👍	<<locked>>	91%	38725	89%	**01	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	97%	36579	84%	**49	93%
Alliant Reloder-10x	<<locked>>	84%	38421	88%	**29	100%
[Alliant Reloder-15]*	<<locked>>	96%	38812	89%	**82	92%
Hodgdon BL-C2	<<locked>>	91%	38928	89%	**05	95%
Hodgdon Benchmark	<<locked>>	86%	38290	88%	**87	95%
Hodgdon H322	<<locked>>	88%	38682	89%	**59	98%
[Hodgdon VARGET]*	<<locked>>	97%	38986	90%	**36	91%
IMR 3031 👍	<<locked>>	96%	38508	89%	**15	99%
[IMR 4064]*	<<locked>>	97%	37579	86%	**10	91%
[IMR 4895]*	<<locked>>	95%	38870	89%	**98	93%
[IMR 8208 XBR]*	<<locked>>	89%	38348	88%	**33	94%
Lovex D073.4	<<locked>>	85%	38769	89%	**36	96%
Lovex D073.5	<<locked>>	87%	38943	90%	**52	96%
Lovex D073.6	<<locked>>	94%	38580	89%	**95	97%
[Lovex S060]*	<<locked>>	90%	39088	90%	**93	93%
Lovex S062	<<locked>>	96%	38696	89%	**59	95%
Norma 201	<<locked>>	92%	38711	89%	**39	95%
Norma 202	<<locked>>	93%	39088	90%	**75	98%
[Norma 203B]*	<<locked>>	96%	38986	90%	**92	93%
[Ramshot Big Game]*	<<locked>>	96%	38957	90%	**82	92%
[Ramshot Wild Boar]*	<<locked>>	90%	38551	89%	**59	92%
[Ramshot X-Terminator]*	<<locked>>	86%	38479	88%	**06	92%
ReloadSwiss RS 40	<<locked>>	85%	38754	89%	**39	96%
ReloadSwiss RS 52	<<locked>>	97%	37840	87%	**98	95%
Rottweil R 901	<<locked>>	88%	38203	88%	**16	97%
Rottweil R 902	<<locked>>	94%	38624	89%	**33	95%
[Rottweil R 903]*	<<locked>>	97%	32953	76%	**90	92%
[SNPE Vectan SP 9]*	<<locked>>	93%	38870	89%	**59	93%
SNPE Vectan Tubal 3000	<<locked>>	89%	38479	88%	**80	97%
SNPE Vectan Tubal 5000	<<locked>>	96%	37884	87%	**90	98%
Shooters World Match Rifle	<<locked>>	94%	38580	89%	**95	97%
Shooters World Precision	<<locked>>	96%	38696	89%	**59	95%
[Shooters World Tactical Rifle]*	<<locked>>	83%	38798	89%	**00	94%
Somchem S321	<<locked>>	87%	38290	88%	**56	95%
Somchem S335	<<locked>>	90%	38508	89%	**03	98%
[Somchem S341]*	<<locked>>	92%	38798	89%	**42	92%
[Somchem S355]*	<<locked>>	97%	34780	80%	**03	92%
Vihtavuori N130	<<locked>>	86%	38885	89%	**87	100%
Vihtavuori N133	<<locked>>	93%	38696	89%	**03	99%
Vihtavuori N135	<<locked>>	96%	32779	75%	**67	98%
Vihtavuori N140	<<locked>>	95%	38711	89%	**49	98%
Vihtavuori N530	<<locked>>	88%	38595	89%	**49	95%
Vihtavuori N540	<<locked>>	95%	38580	89%	**72	97%
Winchester 748	<<locked>>	88%	38798	89%	**92	96%
[Winchester StaBALL Match]*	<<locked>>	86%	38957	90%	**75	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	85%	32256	74%	**28	90%
[ADI AR 2208]*	<<locked>>	94%	35940	83%	**80	90%
Accurate 2015	<<locked>>	81%	32300	74%	**11	99%
[Accurate 2230]*	<<locked>>	81%	33054	76%	**24	92%
[Accurate 2460]*	<<locked>>	81%	32909	76%	**34	94%
Accurate 2495	<<locked>>	81%	26411	61%	**62	97%
[Accurate 2520]*	<<locked>>	81%	27224	63%	**62	92%
[Accurate 4064]*	<<locked>>	81%	22495	52%	**54	91%
Alliant AR-Comp	<<locked>>	81%	28587	66%	**98	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	89%	29617	68%	**98	90%
Alliant Reloder-10x	<<locked>>	81%	35462	81%	**77	100%
[Alliant Reloder-15]*	<<locked>>	92%	34432	79%	**96	90%
[Hodgdon BL-C2]*	<<locked>>	82%	29008	67%	**95	90%
[Hodgdon Benchmark]*	<<locked>>	81%	32793	75%	**82	93%
Hodgdon H322	<<locked>>	81%	31517	72%	**18	96%
[Hodgdon VARGET]*	<<locked>>	94%	35940	83%	**80	90%
[IMR 3031]*	<<locked>>	81%	25309	58%	**13	94%
[IMR 4064]*	<<locked>>	94%	34418	79%	**54	90%
[IMR 4895]*	<<locked>>	89%	32445	75%	**70	90%
[IMR 8208 XBR]*	<<locked>>	81%	30284	70%	**69	91%
[Lovex D073.4]*	<<locked>>	81%	34272	79%	**54	94%
[Lovex D073.5]*	<<locked>>	81%	32619	75%	**28	94%
[Lovex D073.6]*	<<locked>>	81%	25672	59%	**23	91%
[Lovex S060]*	<<locked>>	84%	32808	75%	**69	90%
[Lovex S062]*	<<locked>>	85%	28224	65%	**42	90%
[Norma 201]*	<<locked>>	82%	28529	66%	**29	90%
[Norma 202]*	<<locked>>	81%	27688	64%	**42	93%
[Norma 203B]*	<<locked>>	90%	32372	74%	**64	90%
[Ramshot Big Game]*	<<locked>>	93%	35201	81%	**10	90%
[Ramshot Wild Boar]*	<<locked>>	85%	33272	76%	**57	90%
[Ramshot X-Terminator]*	<<locked>>	81%	33199	76%	**01	90%
ReloadSwiss RS 40	<<locked>>	81%	33736	78%	**44	95%
[ReloadSwiss RS 52]*	<<locked>>	88%	28848	66%	**01	90%
Rottweil R 901	<<locked>>	81%	31459	72%	**82	95%
[Rottweil R 902]*	<<locked>>	83%	28500	65%	**26	90%
[Rottweil R 903]*	<<locked>>	94%	30226	69%	**31	90%
[SNPE Vectan SP 9]*	<<locked>>	87%	32735	75%	**41	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	29791	68%	**13	94%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	24395	56%	**98	93%
[Shooters World Match Rifle]*	<<locked>>	81%	25672	59%	**23	91%
[Shooters World Precision]*	<<locked>>	85%	28224	65%	**42	90%
[Shooters World Tactical Rifle]*	<<locked>>	81%	35636	82%	**47	93%
[Somchem S321]*	<<locked>>	81%	31488	72%	**24	92%
Somchem S335	<<locked>>	81%	29167	67%	**19	95%
[Somchem S341]*	<<locked>>	87%	33895	78%	**51	90%
[Somchem S355]*	<<locked>>	92%	30792	71%	**24	90%
Vihtavuori N130	<<locked>>	81%	33576	77%	**98	99%
Vihtavuori N133	<<locked>>	81%	27963	64%	**93	97%
[Vihtavuori N135]*	<<locked>>	81%	21785	50%	**85	93%
[Vihtavuori N140]*	<<locked>>	81%	26005	60%	**80	93%
[Vihtavuori N530]*	<<locked>>	81%	31430	72%	**05	92%
[Vihtavuori N540]*	<<locked>>	81%	25643	59%	**86	92%
[Winchester 748]*	<<locked>>	81%	30835	71%	**24	92%
[Winchester StaBALL Match]*	<<locked>>	81%	32503	75%	**51	91%

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