Load data for .33 Win. + .338 | 185gr | Hornady ECX

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.338 \| 185gr \| Hornady ECX
Manufacturer SKU:	33272
Bullet Weight:	185gr \| 12.0g
Bullet Diameter:	0.338" \| 8.59mm
Bullet Length:	1.266" \| 32.2mm
Caliber:	.33 Win. load data
Case Length (l3):	2.104" \| 53.4mm
Cartridge Length (C.O.L.):	2.753" \| 69.9mm
Seated Depth:	0.617" \| 15.7mm
Shank Seated Depth:	0.617" \| 15.7mm
Case Capacity:	63.0 Grains of Water \| 4.09 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B12167_C441
Last updated:	2026-01-20

Load data for 100 loads in caliber .33 Win. with .338 | 185gr | Hornady ECX bullet and 50 powders such as Accurate 2495, Alliant AR-Comp. 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>>	93%	39233	89%	**15	92%
ADI AR 2219	<<locked>>	84%	39407	89%	**21	98%
Accurate 2015	<<locked>>	90%	39581	89%	**95	99%
[Accurate 2230]*	<<locked>>	87%	39015	88%	**79	93%
Accurate 2460	<<locked>>	88%	38957	88%	**98	95%
Accurate 2495 👍	<<locked>>	96%	39291	89%	**80	99%
Accurate 2520	<<locked>>	94%	39465	89%	**61	96%
Accurate 4064	<<locked>>	96%	33330	75%	**56	96%
Alliant AR-Comp 👍	<<locked>>	93%	38899	88%	**64	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	97%	34867	79%	**56	92%
Alliant Reloder-10x	<<locked>>	86%	39262	89%	**95	100%
Baschieri & Pellagri 106	<<locked>>	83%	39073	88%	**23	98%
[Hodgdon BL-C2]*	<<locked>>	93%	38972	88%	**54	94%
Hodgdon Benchmark	<<locked>>	89%	39407	89%	**49	95%
Hodgdon H322	<<locked>>	89%	38914	88%	**11	98%
Hodgdon H335	<<locked>>	85%	39102	88%	**25	97%
IMR 3031	<<locked>>	96%	37173	84%	**44	98%
IMR 4198	<<locked>>	85%	39755	90%	**62	100%
[IMR 4895]*	<<locked>>	97%	38740	88%	**48	92%
[IMR 8208 XBR]*	<<locked>>	91%	39160	89%	**92	94%
Lovex D073.4	<<locked>>	87%	39450	89%	**95	95%
Lovex D073.5	<<locked>>	88%	38957	88%	**98	95%
Lovex D073.6	<<locked>>	96%	39465	89%	**61	96%
[Lovex S060]*	<<locked>>	92%	39552	89%	**39	92%
[Lovex S062]*	<<locked>>	97%	37275	84%	**79	94%
[Norma 201]*	<<locked>>	94%	39436	89%	**05	94%
Norma 202	<<locked>>	95%	39624	90%	**34	97%
[Ramshot Wild Boar]*	<<locked>>	92%	39537	89%	**28	92%
[Ramshot X-Terminator]*	<<locked>>	88%	39334	89%	**65	92%
ReloadSwiss RS 40	<<locked>>	87%	39059	88%	**95	96%
Rottweil R 901	<<locked>>	91%	39349	89%	**85	97%
[Rottweil R 902]*	<<locked>>	96%	39334	89%	**92	94%
SNPE Vectan SP 10	<<locked>>	84%	39479	89%	**21	97%
[SNPE Vectan SP 9]*	<<locked>>	94%	38957	88%	**05	92%
SNPE Vectan Tubal 3000	<<locked>>	92%	39363	89%	**39	97%
SNPE Vectan Tubal 5000	<<locked>>	97%	36869	83%	**06	97%
Shooters World Match Rifle	<<locked>>	96%	39465	89%	**61	96%
[Shooters World Precision]*	<<locked>>	97%	37275	84%	**79	94%
[Shooters World Tactical Rifle]*	<<locked>>	85%	39146	89%	**49	93%
[Somchem S321]*	<<locked>>	89%	39117	88%	**21	94%
Somchem S335	<<locked>>	93%	39479	89%	**62	98%
[Somchem S341]*	<<locked>>	94%	39653	90%	**05	92%
Vihtavuori N130	<<locked>>	88%	39421	89%	**49	100%
Vihtavuori N133	<<locked>>	95%	39682	90%	**65	99%
Vihtavuori N135	<<locked>>	97%	31473	71%	**77	97%
Vihtavuori N140	<<locked>>	96%	39175	89%	**08	97%
[Vihtavuori N530]*	<<locked>>	90%	39769	90%	**15	94%
Vihtavuori N540	<<locked>>	97%	38957	88%	**25	97%
Winchester 748	<<locked>>	90%	39784	90%	**61	95%
[Winchester StaBALL Match]*	<<locked>>	88%	39813	90%	**41	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	89%	34461	78%	**13	90%
ADI AR 2219	<<locked>>	81%	35244	80%	**39	97%
Accurate 2015	<<locked>>	81%	30414	69%	**08	98%
[Accurate 2230]*	<<locked>>	82%	31836	72%	**28	90%
[Accurate 2460]*	<<locked>>	81%	30864	70%	**28	92%
Accurate 2495	<<locked>>	81%	23989	54%	**29	95%
[Accurate 2520]*	<<locked>>	81%	25425	57%	**36	90%
[Accurate 4064]*	<<locked>>	84%	22684	51%	**83	90%
Alliant AR-Comp	<<locked>>	81%	26818	61%	**88	98%
[Alliant Reloder- TS 15.5]*	<<locked>>	93%	31517	71%	**74	90%
Alliant Reloder-10x	<<locked>>	81%	33475	76%	**87	99%
Baschieri & Pellagri 106	<<locked>>	81%	36085	82%	**64	98%
[Hodgdon BL-C2]*	<<locked>>	86%	30980	70%	**74	90%
[Hodgdon Benchmark]*	<<locked>>	81%	31169	70%	**75	91%
Hodgdon H322	<<locked>>	81%	29849	67%	**11	95%
Hodgdon H335	<<locked>>	81%	34606	78%	**26	95%
[IMR 3031]*	<<locked>>	81%	23641	53%	**83	92%
IMR 4198	<<locked>>	81%	35679	81%	**80	100%
[IMR 4895]*	<<locked>>	93%	34200	77%	**49	90%
[IMR 8208 XBR]*	<<locked>>	83%	30443	69%	**98	90%
[Lovex D073.4]*	<<locked>>	81%	32372	73%	**47	93%
[Lovex D073.5]*	<<locked>>	81%	30864	70%	**28	92%
[Lovex D073.6]*	<<locked>>	83%	25425	57%	**36	90%
[Lovex S060]*	<<locked>>	87%	34766	79%	**44	90%
[Lovex S062]*	<<locked>>	89%	30052	68%	**18	90%
[Norma 201]*	<<locked>>	85%	29718	67%	**92	90%
[Norma 202]*	<<locked>>	81%	25759	58%	**16	91%
[Ramshot Wild Boar]*	<<locked>>	89%	35563	80%	**43	90%
[Ramshot X-Terminator]*	<<locked>>	85%	35476	80%	**83	90%
[ReloadSwiss RS 40]*	<<locked>>	81%	32271	73%	**51	93%
[Rottweil R 901]*	<<locked>>	81%	29254	66%	**65	93%
[Rottweil R 902]*	<<locked>>	87%	30255	68%	**98	90%
SNPE Vectan SP 10	<<locked>>	81%	35578	80%	**39	96%
[SNPE Vectan SP 9]*	<<locked>>	91%	35360	80%	**26	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	28224	64%	**96	93%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	22872	52%	**62	91%
[Shooters World Match Rifle]*	<<locked>>	83%	25425	57%	**36	90%
[Shooters World Precision]*	<<locked>>	89%	30052	68%	**18	90%
[Shooters World Tactical Rifle]*	<<locked>>	81%	34418	78%	**54	91%
[Somchem S321]*	<<locked>>	81%	29660	67%	**08	90%
[Somchem S335]*	<<locked>>	81%	27427	62%	**03	94%
[Somchem S341]*	<<locked>>	90%	36013	81%	**29	90%
Vihtavuori N130	<<locked>>	81%	31865	72%	**95	98%
Vihtavuori N133	<<locked>>	81%	26165	59%	**70	95%
[Vihtavuori N135]*	<<locked>>	82%	20450	46%	**52	90%
[Vihtavuori N140]*	<<locked>>	81%	24468	55%	**54	91%
[Vihtavuori N530]*	<<locked>>	81%	29805	67%	**01	90%
[Vihtavuori N540]*	<<locked>>	82%	24627	56%	**77	90%
[Winchester 748]*	<<locked>>	81%	29225	66%	**15	90%
[Winchester StaBALL Match]*	<<locked>>	83%	33591	76%	**06	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