Load data for .33 Win. + .338 | 215gr | Sierra SBT GameKing

Recommended Powder(s): Accurate 2495, Accurate 4064, IMR 3031, Norma 202, Vihtavuori N540

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:	.33 Win. load data
Case Length (l3):	2.104" \| 53.4mm
Cartridge Length (C.O.L.):	2.753" \| 69.9mm
Seated Depth:	0.621" \| 15.8mm
Shank Seated Depth:	0.481" \| 12.2mm
Case Capacity:	63.0 Grains of Water \| 4.09 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B5924_C441
Last updated:	2025-01-01
Recommended Twist Rate:	1:15 - 1:13

Load data for 122 loads in caliber .33 Win. with .338 | 215gr | Sierra SBT GameKing bullet and 61 powders such as Accurate 2495, Accurate 4064, IMR 3031, Norma 202, Vihtavuori N540. 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. 22.1 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>>	88%	39001	88%	**57	95%
[ADI AR 2208]*	<<locked>>	94%	39784	90%	**44	94%
Accurate 2015	<<locked>>	85%	39465	89%	**21	100%
[Accurate 2200]*	<<locked>>	86%	39523	89%	**15	93%
Accurate 2230	<<locked>>	84%	39682	90%	**38	96%
Accurate 2460	<<locked>>	83%	39146	89%	**41	97%
Accurate 2495 👍	<<locked>>	90%	39320	89%	**97	100%
Accurate 2520	<<locked>>	89%	39102	88%	**90	98%
Accurate 4064 👍	<<locked>>	96%	38885	88%	**00	99%
Alliant AR-Comp	<<locked>>	89%	39392	89%	**90	100%
Alliant Reloder- TS 15.5	<<locked>>	95%	38841	88%	**83	96%
[Alliant Reloder-15]*	<<locked>>	93%	39740	90%	**93	94%
[Alliant Reloder-17]*	<<locked>>	97%	36216	82%	**64	93%
[Baschieri & Pellagri 107]*	<<locked>>	90%	39653	90%	**77	93%
Hodgdon BL-C2	<<locked>>	88%	39030	88%	**00	96%
Hodgdon Benchmark	<<locked>>	85%	39813	90%	**05	97%
[Hodgdon CFE223]*	<<locked>>	93%	39508	89%	**00	93%
Hodgdon H322	<<locked>>	85%	39291	89%	**54	99%
[Hodgdon H380]*	<<locked>>	95%	39595	90%	**74	92%
[Hodgdon VARGET]*	<<locked>>	94%	39508	89%	**41	94%
IMR 3031 👍	<<locked>>	93%	39291	89%	**13	100%
[IMR 4064]*	<<locked>>	95%	39117	88%	**31	94%
IMR 4895	<<locked>>	92%	39798	90%	**06	95%
IMR 8208 XBR	<<locked>>	87%	39668	90%	**47	96%
Lovex D073.5	<<locked>>	84%	39146	89%	**41	97%
Lovex D073.6	<<locked>>	91%	39102	88%	**90	98%
Lovex S060	<<locked>>	87%	39450	89%	**92	95%
Lovex S062	<<locked>>	93%	38972	88%	**51	96%
Norma 201	<<locked>>	89%	39175	89%	**38	96%
Norma 202 👍	<<locked>>	89%	39030	88%	**57	99%
Norma 203B	<<locked>>	94%	39726	90%	**00	95%
[Ramshot Big Game]*	<<locked>>	93%	39349	89%	**90	94%
[Ramshot TAC]*	<<locked>>	87%	39523	89%	**28	91%
Ramshot Wild Boar	<<locked>>	88%	39581	89%	**80	95%
Ramshot X-Terminator	<<locked>>	84%	39697	90%	**21	95%
ReloadSwiss RS 52	<<locked>>	95%	39653	90%	**33	97%
[ReloadSwiss RS 60]*	<<locked>>	97%	35288	80%	**47	93%
Rottweil R 901	<<locked>>	86%	39073	88%	**24	98%
Rottweil R 902	<<locked>>	91%	39639	90%	**38	97%
Rottweil R 903	<<locked>>	97%	36738	83%	**51	95%
[SNPE Vectan SP 11]*	<<locked>>	96%	39044	88%	**97	94%
[SNPE Vectan SP 7]*	<<locked>>	89%	39204	89%	**38	92%
SNPE Vectan SP 9	<<locked>>	90%	39813	90%	**70	95%
SNPE Vectan Tubal 3000	<<locked>>	87%	39552	89%	**82	99%
SNPE Vectan Tubal 5000	<<locked>>	95%	39537	89%	**98	99%
Shooters World Match Rifle	<<locked>>	91%	39102	88%	**90	98%
Shooters World Precision	<<locked>>	93%	38972	88%	**51	96%
Somchem S321	<<locked>>	85%	39160	89%	**60	97%
Somchem S335	<<locked>>	88%	39030	88%	**95	99%
Somchem S341	<<locked>>	89%	39552	89%	**54	95%
Somchem S355	<<locked>>	97%	38928	88%	**74	95%
Vihtavuori N130	<<locked>>	84%	39392	89%	**78	100%
Vihtavuori N133	<<locked>>	90%	39407	89%	**95	100%
Vihtavuori N135	<<locked>>	97%	36941	84%	**24	100%
Vihtavuori N140	<<locked>>	92%	39508	89%	**51	99%
Vihtavuori N150	<<locked>>	97%	32909	74%	**36	95%
Vihtavuori N530	<<locked>>	86%	39798	90%	**60	97%
Vihtavuori N540 👍	<<locked>>	92%	39682	90%	**80	99%
[Winchester 6.5 StaBALL]*	<<locked>>	97%	34534	78%	**39	92%
Winchester 748	<<locked>>	86%	39523	89%	**97	97%
Winchester StaBALL Match	<<locked>>	84%	39523	89%	**83	96%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	30980	70%	**90	91%
[ADI AR 2208]*	<<locked>>	86%	31024	70%	**67	90%
Accurate 2015	<<locked>>	81%	35215	80%	**42	100%
[Accurate 2200]*	<<locked>>	81%	33214	75%	**93	90%
Accurate 2230	<<locked>>	81%	36405	82%	**72	95%
Accurate 2460	<<locked>>	81%	36129	82%	**85	97%
Accurate 2495	<<locked>>	81%	29283	66%	**03	99%
Accurate 2520	<<locked>>	81%	30110	68%	**13	95%
[Accurate 4064]*	<<locked>>	81%	24671	56%	**85	94%
Alliant AR-Comp	<<locked>>	81%	30748	70%	**29	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	82%	26107	59%	**95	90%
[Alliant Reloder-15]*	<<locked>>	84%	30298	68%	**96	90%
[Alliant Reloder-17]*	<<locked>>	92%	31430	71%	**52	90%
[Baschieri & Pellagri 107]*	<<locked>>	83%	32518	74%	**29	90%
[Hodgdon BL-C2]*	<<locked>>	81%	30487	69%	**23	93%
Hodgdon Benchmark	<<locked>>	81%	35230	80%	**19	96%
[Hodgdon CFE223]*	<<locked>>	89%	34185	77%	**92	90%
Hodgdon H322	<<locked>>	81%	34432	78%	**65	98%
[Hodgdon H380]*	<<locked>>	90%	33953	77%	**69	90%
[Hodgdon VARGET]*	<<locked>>	86%	31285	71%	**73	90%
IMR 3031	<<locked>>	81%	27050	61%	**47	97%
[IMR 4064]*	<<locked>>	86%	30226	68%	**47	90%
[IMR 4895]*	<<locked>>	82%	28297	64%	**60	90%
[IMR 8208 XBR]*	<<locked>>	81%	32880	74%	**13	94%
Lovex D073.5	<<locked>>	81%	36129	82%	**85	97%
[Lovex D073.6]*	<<locked>>	81%	27949	63%	**60	94%
[Lovex S060]*	<<locked>>	81%	32808	74%	**60	92%
[Lovex S062]*	<<locked>>	81%	27079	61%	**95	92%
[Norma 201]*	<<locked>>	81%	30371	69%	**60	93%
Norma 202	<<locked>>	81%	30066	68%	**77	96%
[Norma 203B]*	<<locked>>	83%	28355	64%	**54	90%
[Ramshot Big Game]*	<<locked>>	86%	30792	70%	**10	90%
[Ramshot TAC]*	<<locked>>	84%	36448	82%	**69	90%
[Ramshot Wild Boar]*	<<locked>>	81%	31647	72%	**13	92%
[Ramshot X-Terminator]*	<<locked>>	81%	35839	81%	**46	93%
[ReloadSwiss RS 52]*	<<locked>>	81%	25454	58%	**01	90%
[ReloadSwiss RS 60]*	<<locked>>	92%	30647	69%	**29	90%
Rottweil R 901	<<locked>>	81%	33634	76%	**13	97%
[Rottweil R 902]*	<<locked>>	81%	28703	65%	**14	92%
[Rottweil R 903]*	<<locked>>	86%	26368	60%	**24	90%
[SNPE Vectan SP 11]*	<<locked>>	88%	30676	69%	**13	90%
[SNPE Vectan SP 7]*	<<locked>>	85%	34722	78%	**52	90%
[SNPE Vectan SP 9]*	<<locked>>	81%	29689	67%	**60	91%
SNPE Vectan Tubal 3000	<<locked>>	81%	32503	73%	**51	97%
SNPE Vectan Tubal 5000	<<locked>>	81%	26194	59%	**29	96%
[Shooters World Match Rifle]*	<<locked>>	81%	27949	63%	**60	94%
[Shooters World Precision]*	<<locked>>	81%	27079	61%	**95	92%
Somchem S321	<<locked>>	81%	34490	78%	**72	95%
Somchem S335	<<locked>>	81%	31705	72%	**57	98%
[Somchem S341]*	<<locked>>	81%	30168	68%	**64	91%
[Somchem S355]*	<<locked>>	85%	27006	61%	**14	90%
Vihtavuori N130	<<locked>>	81%	36013	81%	**23	100%
Vihtavuori N133	<<locked>>	81%	30211	68%	**21	99%
Vihtavuori N135	<<locked>>	81%	23192	52%	**13	96%
Vihtavuori N140	<<locked>>	81%	27847	63%	**11	96%
[Vihtavuori N150]*	<<locked>>	86%	24033	54%	**16	90%
Vihtavuori N530	<<locked>>	81%	34084	77%	**49	95%
Vihtavuori N540	<<locked>>	81%	27775	63%	**28	95%
[Winchester 6.5 StaBALL]*	<<locked>>	93%	30705	69%	**54	90%
Winchester 748	<<locked>>	81%	33605	76%	**82	96%
[Winchester StaBALL Match]*	<<locked>>	81%	35650	81%	**08	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