Load data for .338 Marlin Express + .338 | 215gr | Sierra SBT GameKing

Recommended Powder(s): Accurate 2495, Accurate 2520, Alliant AR-Comp, IMR 3031, Norma 202

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.338 \| 215gr \| Sierra SBT GameKing
Manufacturer SKU:	2610
Bullet Weight:	215gr \| 13.9g
Bullet Diameter:	0.338" \| 8.59mm
Bullet Length:	1.270" \| 32.3mm
Caliber:	.338 Marlin Express load data
Case Length (l3):	1.880" \| 47.8mm
Cartridge Length (C.O.L.):	2.561" \| 65.0mm
Seated Depth:	0.589" \| 15.0mm
Shank Seated Depth:	0.449" \| 11.4mm
Case Capacity:	61.0 Grains of Water \| 3.96 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	46412 psi \| 3200 bar
LID:	LID_B5924_C456
Last updated:	2025-01-01
Recommended Twist Rate:	1:15 - 1:13

Load data for 128 loads in caliber .338 Marlin Express with .338 | 215gr | Sierra SBT GameKing bullet and 64 powders such as Accurate 2495, Accurate 2520, Alliant AR-Comp, IMR 3031, Norma 202. 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. 21.7 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>>	91%	41626	90%	**93	95%
[ADI AR 2208]*	<<locked>>	96%	40843	88%	**57	94%
Accurate 2015	<<locked>>	87%	41104	89%	**38	100%
[Accurate 2200]*	<<locked>>	88%	41031	88%	**34	93%
Accurate 2230	<<locked>>	85%	41263	89%	**51	96%
Accurate 2460	<<locked>>	86%	41118	89%	**67	98%
Accurate 2495 👍	<<locked>>	92%	41133	89%	**20	100%
Accurate 2520 👍	<<locked>>	91%	41089	89%	**13	98%
Accurate 4064	<<locked>>	97%	39131	84%	**93	99%
Alliant AR-Comp 👍	<<locked>>	91%	41176	89%	**13	100%
Alliant Reloder- TS 15.5	<<locked>>	96%	39146	84%	**77	96%
Alliant Reloder-10x	<<locked>>	84%	41437	89%	**51	100%
Alliant Reloder-15	<<locked>>	96%	41698	90%	**20	95%
[Alliant Reloder-17]*	<<locked>>	97%	35549	77%	**38	92%
[Baschieri & Pellagri 107]*	<<locked>>	92%	41756	90%	**03	94%
Hodgdon BL-C2	<<locked>>	91%	41655	90%	**36	97%
Hodgdon Benchmark	<<locked>>	87%	41756	90%	**28	97%
[Hodgdon CFE223]*	<<locked>>	96%	41205	89%	**23	93%
Hodgdon H322	<<locked>>	87%	41075	88%	**80	99%
[Hodgdon H380]*	<<locked>>	97%	41002	88%	**90	93%
[Hodgdon VARGET]*	<<locked>>	97%	41510	89%	**67	94%
IMR 3031 👍	<<locked>>	95%	40741	88%	**29	100%
[IMR 4064]*	<<locked>>	96%	40118	86%	**38	94%
IMR 4895	<<locked>>	94%	40698	88%	**16	95%
IMR 8208 XBR	<<locked>>	89%	41539	90%	**67	97%
Lovex D073.4	<<locked>>	84%	41263	89%	**54	98%
Lovex D073.5	<<locked>>	86%	41713	90%	**74	98%
Lovex D073.6	<<locked>>	93%	41089	89%	**13	98%
Lovex S060	<<locked>>	90%	41263	89%	**15	95%
Lovex S062	<<locked>>	95%	40959	88%	**77	97%
Norma 201	<<locked>>	92%	41234	89%	**67	97%
Norma 202 👍	<<locked>>	92%	41539	89%	**93	99%
Norma 203B	<<locked>>	96%	41727	90%	**20	95%
Ramshot Big Game	<<locked>>	96%	41727	90%	**23	95%
[Ramshot TAC]*	<<locked>>	89%	41089	89%	**44	92%
Ramshot Wild Boar	<<locked>>	90%	41350	89%	**00	95%
Ramshot X-Terminator	<<locked>>	86%	41655	90%	**44	95%
ReloadSwiss RS 40	<<locked>>	85%	40959	88%	**57	98%
ReloadSwiss RS 52	<<locked>>	97%	40785	88%	**43	97%
[ReloadSwiss RS 60]*	<<locked>>	97%	34664	75%	**18	93%
Rottweil R 901	<<locked>>	89%	41655	90%	**57	99%
Rottweil R 902	<<locked>>	94%	41698	90%	**67	97%
Rottweil R 903	<<locked>>	97%	36289	78%	**34	95%
[SNPE Vectan SP 11]*	<<locked>>	97%	38653	83%	**74	94%
[SNPE Vectan SP 7]*	<<locked>>	91%	41756	90%	**74	93%
SNPE Vectan SP 9	<<locked>>	93%	41669	90%	**90	95%
SNPE Vectan Tubal 3000	<<locked>>	90%	41582	90%	**05	99%
SNPE Vectan Tubal 5000	<<locked>>	96%	40814	88%	**15	99%
Shooters World Match Rifle	<<locked>>	93%	41089	89%	**13	98%
Shooters World Precision	<<locked>>	95%	40959	88%	**77	97%
Shooters World Tactical Rifle	<<locked>>	84%	41669	90%	**34	96%
Somchem S321	<<locked>>	87%	40872	88%	**83	97%
Somchem S335	<<locked>>	90%	41031	88%	**18	99%
Somchem S341	<<locked>>	91%	41539	90%	**77	95%
Somchem S355	<<locked>>	97%	37420	81%	**38	95%
Vihtavuori N130	<<locked>>	86%	41495	89%	**01	100%
Vihtavuori N133	<<locked>>	92%	41205	89%	**15	100%
Vihtavuori N135	<<locked>>	96%	35114	76%	**85	99%
Vihtavuori N140	<<locked>>	94%	41176	89%	**67	99%
[Vihtavuori N150]*	<<locked>>	97%	31850	69%	**06	94%
Vihtavuori N530	<<locked>>	87%	40915	88%	**67	97%
Vihtavuori N540	<<locked>>	95%	41321	89%	**93	99%
Winchester 748	<<locked>>	88%	41597	90%	**23	98%
Winchester StaBALL Match	<<locked>>	86%	41031	88%	**00	96%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	30139	65%	**60	91%
[ADI AR 2208]*	<<locked>>	87%	31691	68%	**70	90%
Accurate 2015	<<locked>>	81%	34229	74%	**19	100%
[Accurate 2200]*	<<locked>>	82%	33779	73%	**93	90%
[Accurate 2230]*	<<locked>>	81%	35186	76%	**42	94%
Accurate 2460	<<locked>>	81%	35215	76%	**59	96%
Accurate 2495	<<locked>>	81%	28326	61%	**80	98%
Accurate 2520	<<locked>>	81%	29182	63%	**83	95%
[Accurate 4064]*	<<locked>>	81%	23873	51%	**62	94%
Alliant AR-Comp	<<locked>>	81%	29907	64%	**03	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	84%	26571	57%	**05	90%
Alliant Reloder-10x	<<locked>>	81%	37782	81%	**88	100%
[Alliant Reloder-15]*	<<locked>>	86%	30864	66%	**00	90%
[Alliant Reloder-17]*	<<locked>>	93%	32140	69%	**59	90%
[Baschieri & Pellagri 107]*	<<locked>>	85%	33359	72%	**36	90%
[Hodgdon BL-C2]*	<<locked>>	81%	29501	64%	**90	92%
Hodgdon Benchmark	<<locked>>	81%	34476	74%	**93	95%
[Hodgdon CFE223]*	<<locked>>	91%	34896	75%	**95	90%
Hodgdon H322	<<locked>>	81%	33562	72%	**39	98%
[Hodgdon H380]*	<<locked>>	92%	35056	76%	**78	90%
[Hodgdon VARGET]*	<<locked>>	87%	31430	68%	**64	90%
IMR 3031	<<locked>>	81%	26629	57%	**31	97%
[IMR 4064]*	<<locked>>	88%	30864	67%	**51	90%
[IMR 4895]*	<<locked>>	83%	28776	62%	**64	90%
[IMR 8208 XBR]*	<<locked>>	81%	32024	69%	**87	94%
Lovex D073.4	<<locked>>	81%	36782	79%	**75	96%
Lovex D073.5	<<locked>>	81%	34853	75%	**52	96%
[Lovex D073.6]*	<<locked>>	81%	27296	59%	**34	94%
[Lovex S060]*	<<locked>>	81%	32082	69%	**34	92%
[Lovex S062]*	<<locked>>	81%	26339	57%	**72	91%
[Norma 201]*	<<locked>>	81%	29602	64%	**31	93%
Norma 202	<<locked>>	81%	29138	63%	**47	96%
[Norma 203B]*	<<locked>>	85%	28877	62%	**57	90%
[Ramshot Big Game]*	<<locked>>	87%	31285	67%	**10	90%
[Ramshot TAC]*	<<locked>>	86%	37869	82%	**85	90%
[Ramshot Wild Boar]*	<<locked>>	81%	30777	66%	**83	91%
[Ramshot X-Terminator]*	<<locked>>	81%	35157	76%	**26	93%
ReloadSwiss RS 40	<<locked>>	81%	35839	77%	**65	97%
[ReloadSwiss RS 52]*	<<locked>>	82%	25367	55%	**95	90%
[ReloadSwiss RS 60]*	<<locked>>	93%	31343	68%	**36	90%
Rottweil R 901	<<locked>>	81%	32851	71%	**90	97%
[Rottweil R 902]*	<<locked>>	81%	28384	61%	**98	92%
[Rottweil R 903]*	<<locked>>	88%	26905	58%	**28	90%
[SNPE Vectan SP 11]*	<<locked>>	89%	30908	67%	**10	90%
[SNPE Vectan SP 7]*	<<locked>>	86%	35143	76%	**49	90%
[SNPE Vectan SP 9]*	<<locked>>	81%	29138	63%	**37	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	31647	68%	**21	96%
SNPE Vectan Tubal 5000	<<locked>>	81%	25498	55%	**03	95%
[Shooters World Match Rifle]*	<<locked>>	81%	27296	59%	**34	94%
[Shooters World Precision]*	<<locked>>	81%	26339	57%	**72	91%
Shooters World Tactical Rifle	<<locked>>	81%	38232	82%	**75	95%
Somchem S321	<<locked>>	81%	33794	73%	**46	95%
Somchem S335	<<locked>>	81%	30951	67%	**31	97%
[Somchem S341]*	<<locked>>	81%	29747	64%	**41	90%
[Somchem S355]*	<<locked>>	87%	27572	59%	**24	90%
Vihtavuori N130	<<locked>>	81%	35491	76%	**03	100%
Vihtavuori N133	<<locked>>	81%	29269	63%	**95	98%
Vihtavuori N135	<<locked>>	81%	22481	48%	**83	95%
Vihtavuori N140	<<locked>>	81%	27166	59%	**85	95%
[Vihtavuori N150]*	<<locked>>	88%	24540	53%	**23	90%
[Vihtavuori N530]*	<<locked>>	81%	33315	72%	**23	94%
[Vihtavuori N540]*	<<locked>>	81%	26789	58%	**98	94%
Winchester 748	<<locked>>	81%	32808	71%	**56	95%
[Winchester StaBALL Match]*	<<locked>>	81%	34737	75%	**78	94%

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