Load data for .338 Marlin Express + .338 | 185gr | Barnes X BT

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.338 \| 185gr \| Barnes X BT
Manufacturer SKU:	33881
Bullet Weight:	185gr \| 12.0g
Bullet Diameter:	0.338" \| 8.59mm
Bullet Length:	1.205" \| 30.6mm
Caliber:	.338 Marlin Express load data
Case Length (l3):	1.880" \| 47.8mm
Cartridge Length (C.O.L.):	2.561" \| 65.0mm
Seated Depth:	0.524" \| 13.3mm
Shank Seated Depth:	0.399" \| 10.1mm
Case Capacity:	61.0 Grains of Water \| 3.96 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	46412 psi \| 3200 bar
LID:	LID_B661_C456
Last updated:	2025-01-01
Recommended Twist Rate:	1:15 - 1:13

Load data for 110 loads in caliber .338 Marlin Express with .338 | 185gr | Barnes X BT bullet and 55 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".

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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>>	91%	41307	89%	**31	93%
[ADI AR 2208]*	<<locked>>	96%	41220	89%	**98	91%
Accurate 2015	<<locked>>	87%	41597	90%	**02	100%
[Accurate 2230]*	<<locked>>	85%	41597	90%	**98	94%
Accurate 2460	<<locked>>	85%	41626	90%	**15	96%
Accurate 2495 👍	<<locked>>	91%	41191	89%	**74	100%
Accurate 2520	<<locked>>	91%	41379	89%	**70	97%
Accurate 4064	<<locked>>	97%	40480	87%	**64	98%
Alliant AR-Comp 👍	<<locked>>	91%	41684	90%	**80	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	97%	39726	86%	**34	94%
Alliant Reloder-10x	<<locked>>	83%	40872	88%	**95	100%
[Alliant Reloder-15]*	<<locked>>	95%	41408	89%	**54	92%
Hodgdon BL-C2	<<locked>>	91%	41510	89%	**77	95%
Hodgdon Benchmark	<<locked>>	87%	41481	89%	**72	95%
Hodgdon H322	<<locked>>	87%	41046	88%	**28	98%
[Hodgdon VARGET]*	<<locked>>	96%	41017	88%	**95	91%
IMR 3031 👍	<<locked>>	96%	41234	89%	**93	99%
[IMR 4064]*	<<locked>>	97%	40480	87%	**85	92%
IMR 4198	<<locked>>	83%	41611	90%	**69	100%
[IMR 4895]*	<<locked>>	95%	41133	89%	**67	93%
IMR 8208 XBR	<<locked>>	89%	41423	89%	**11	95%
Lovex D073.4	<<locked>>	84%	41278	89%	**95	96%
Lovex D073.5	<<locked>>	86%	41626	90%	**15	96%
Lovex D073.6	<<locked>>	93%	41379	89%	**70	97%
[Lovex S060]*	<<locked>>	89%	41466	89%	**56	93%
Lovex S062	<<locked>>	96%	41727	90%	**34	95%
Norma 201	<<locked>>	91%	41423	89%	**08	95%
Norma 202	<<locked>>	92%	41118	89%	**38	97%
[Norma 203B]*	<<locked>>	96%	41365	89%	**61	93%
[Ramshot Big Game]*	<<locked>>	96%	41481	89%	**57	92%
[Ramshot Wild Boar]*	<<locked>>	90%	41481	89%	**38	93%
[Ramshot X-Terminator]*	<<locked>>	86%	41350	89%	**79	92%
ReloadSwiss RS 40	<<locked>>	85%	41234	89%	**08	96%
ReloadSwiss RS 52	<<locked>>	97%	41104	89%	**90	95%
Rottweil R 901	<<locked>>	87%	41452	89%	**88	97%
Rottweil R 902	<<locked>>	93%	41394	89%	**98	95%
[Rottweil R 903]*	<<locked>>	97%	36143	78%	**69	92%
[SNPE Vectan SP 9]*	<<locked>>	92%	41060	88%	**25	93%
SNPE Vectan Tubal 3000	<<locked>>	90%	41365	89%	**49	97%
SNPE Vectan Tubal 5000	<<locked>>	97%	41046	88%	**65	98%
Shooters World Match Rifle	<<locked>>	93%	41379	89%	**70	97%
Shooters World Precision	<<locked>>	96%	41727	90%	**34	95%
Somchem S321	<<locked>>	87%	41466	89%	**38	95%
Somchem S335	<<locked>>	90%	41336	89%	**72	98%
[Somchem S341]*	<<locked>>	91%	41205	89%	**11	92%
[Somchem S355]*	<<locked>>	97%	38508	83%	**95	93%
Vihtavuori N130	<<locked>>	86%	40901	88%	**46	100%
Vihtavuori N133	<<locked>>	93%	41553	90%	**75	99%
Vihtavuori N135	<<locked>>	97%	36405	78%	**52	98%
Vihtavuori N140	<<locked>>	95%	41553	90%	**25	98%
[Vihtavuori N150]*	<<locked>>	97%	32837	71%	**54	92%
Vihtavuori N530	<<locked>>	88%	41466	89%	**25	95%
Vihtavuori N540	<<locked>>	95%	41060	88%	**41	97%
Winchester 748	<<locked>>	88%	41698	90%	**74	96%
[Winchester StaBALL Match]*	<<locked>>	86%	40770	88%	**38	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	84%	34258	74%	**80	90%
[ADI AR 2208]*	<<locked>>	93%	37434	81%	**26	90%
Accurate 2015	<<locked>>	81%	35317	76%	**77	99%
[Accurate 2230]*	<<locked>>	81%	36158	78%	**93	92%
[Accurate 2460]*	<<locked>>	81%	36013	78%	**06	94%
Accurate 2495	<<locked>>	81%	30530	66%	**51	97%
[Accurate 2520]*	<<locked>>	81%	30269	65%	**31	93%
[Accurate 4064]*	<<locked>>	81%	25933	56%	**26	92%
Alliant AR-Comp	<<locked>>	81%	30995	67%	**60	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	89%	31618	68%	**47	90%
Alliant Reloder-10x	<<locked>>	81%	38798	84%	**56	100%
[Alliant Reloder-15]*	<<locked>>	91%	36767	79%	**62	90%
[Hodgdon BL-C2]*	<<locked>>	82%	31299	67%	**47	90%
[Hodgdon Benchmark]*	<<locked>>	81%	35128	76%	**34	93%
Hodgdon H322	<<locked>>	81%	34069	73%	**83	96%
[Hodgdon VARGET]*	<<locked>>	94%	37913	82%	**36	90%
IMR 3031	<<locked>>	81%	27804	60%	**78	95%
[IMR 4064]*	<<locked>>	93%	36695	79%	**10	90%
IMR 4198	<<locked>>	81%	39146	84%	**23	100%
[IMR 4895]*	<<locked>>	88%	33968	73%	**13	90%
[IMR 8208 XBR]*	<<locked>>	81%	32619	70%	**24	91%
Lovex D073.4	<<locked>>	81%	37434	81%	**23	95%
[Lovex D073.5]*	<<locked>>	81%	36013	78%	**06	94%
[Lovex D073.6]*	<<locked>>	81%	28674	62%	**85	92%
[Lovex S060]*	<<locked>>	83%	34258	74%	**05	90%
[Lovex S062]*	<<locked>>	84%	30023	65%	**78	90%
[Norma 201]*	<<locked>>	81%	31357	68%	**88	91%
[Norma 202]*	<<locked>>	81%	30313	65%	**98	94%
[Norma 203B]*	<<locked>>	90%	34722	75%	**23	90%
[Ramshot Big Game]*	<<locked>>	92%	37144	80%	**65	90%
[Ramshot Wild Boar]*	<<locked>>	85%	35172	76%	**06	90%
[Ramshot X-Terminator]*	<<locked>>	81%	35505	77%	**60	90%
ReloadSwiss RS 40	<<locked>>	81%	36448	79%	**13	95%
[ReloadSwiss RS 52]*	<<locked>>	86%	30458	66%	**38	90%
Rottweil R 901	<<locked>>	81%	35041	76%	**57	95%
[Rottweil R 902]*	<<locked>>	82%	30429	66%	**62	90%
[Rottweil R 903]*	<<locked>>	92%	32372	70%	**80	90%
[SNPE Vectan SP 9]*	<<locked>>	86%	34737	75%	**90	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	32619	70%	**72	95%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	26716	58%	**44	93%
[Shooters World Match Rifle]*	<<locked>>	81%	28674	62%	**85	92%
[Shooters World Precision]*	<<locked>>	84%	30023	65%	**78	90%
[Somchem S321]*	<<locked>>	81%	34374	74%	**90	93%
Somchem S335	<<locked>>	81%	32082	69%	**78	96%
[Somchem S341]*	<<locked>>	87%	35708	77%	**97	90%
[Somchem S355]*	<<locked>>	91%	32851	71%	**67	90%
Vihtavuori N130	<<locked>>	81%	36405	78%	**57	99%
Vihtavuori N133	<<locked>>	81%	30298	65%	**42	97%
[Vihtavuori N135]*	<<locked>>	81%	24091	52%	**34	93%
[Vihtavuori N140]*	<<locked>>	81%	28587	62%	**36	93%
[Vihtavuori N150]*	<<locked>>	93%	29356	63%	**62	90%
[Vihtavuori N530]*	<<locked>>	81%	33953	73%	**64	92%
[Vihtavuori N540]*	<<locked>>	81%	28355	61%	**49	92%
[Winchester 748]*	<<locked>>	81%	33562	72%	**93	93%
[Winchester StaBALL Match]*	<<locked>>	81%	35114	76%	**16	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