Load data for .308 Marlin Express + .308 | 150gr | Sierra SBT GameKing

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 150gr \| Sierra SBT GameKing
Manufacturer SKU:	2125
Bullet Weight:	150gr \| 9.7g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	1.096" \| 27.8mm
Caliber:	.308 Marlin Express load data
Case Length (l3):	1.910" \| 48.5mm
Cartridge Length (C.O.L.):	2.571" \| 65.3mm
Seated Depth:	0.435" \| 11.1mm
Shank Seated Depth:	0.285" \| 7.2mm
Case Capacity:	51.0 Grains of Water \| 3.31 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B5873_C397
Last updated:	2025-01-01
Recommended Twist Rate:	1:14 - 1:12

Load data for 118 loads in caliber .308 Marlin Express with .308 | 150gr | Sierra SBT GameKing bullet and 59 powder(s). 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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C.O.L. (Inch)
C.O.L. (mm)
Case Length (Inch)
Case Length (mm)
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Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.
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.

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>>	94%	42061	88%	**39	93%
[ADI AR 2208]*	<<locked>>	97%	39334	82%	**57	91%
ADI AR 2219 👍	<<locked>>	86%	42830	89%	**56	99%
Accurate 2015	<<locked>>	91%	42946	90%	**23	100%
[Accurate 2200]*	<<locked>>	91%	42511	89%	**90	91%
Accurate 2230	<<locked>>	89%	42844	90%	**20	95%
Accurate 2460	<<locked>>	89%	42453	89%	**33	96%
Accurate 2495 👍	<<locked>>	97%	43033	90%	**12	100%
Accurate 2520	<<locked>>	95%	42917	90%	**92	97%
Accurate 4064	<<locked>>	97%	35433	74%	**70	97%
Alliant AR-Comp 👍	<<locked>>	94%	42714	89%	**92	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	96%	36303	76%	**54	93%
Alliant Reloder-10x	<<locked>>	88%	42989	90%	**30	100%
[Alliant Reloder-15]*	<<locked>>	96%	39537	83%	**13	92%
Baschieri & Pellagri 106	<<locked>>	85%	42177	88%	**44	99%
[Baschieri & Pellagri 107]*	<<locked>>	94%	42293	88%	**46	92%
Hodgdon BL-C2	<<locked>>	94%	43004	90%	**98	95%
Hodgdon Benchmark	<<locked>>	90%	42076	88%	**70	96%
Hodgdon H322 👍	<<locked>>	91%	42221	88%	**46	99%
Hodgdon H335	<<locked>>	86%	42511	89%	**56	98%
IMR 3031 👍	<<locked>>	97%	39204	82%	**49	99%
IMR 4198	<<locked>>	86%	42772	89%	**80	100%
[IMR 4895]*	<<locked>>	96%	40567	85%	**52	93%
IMR 8208 XBR	<<locked>>	93%	42714	89%	**33	95%
Lovex D073.4	<<locked>>	87%	42656	89%	**16	96%
Lovex D073.5	<<locked>>	89%	42902	90%	**39	97%
Lovex D073.6	<<locked>>	96%	42235	88%	**79	97%
[Lovex S060]*	<<locked>>	93%	42598	89%	**67	94%
Lovex S062	<<locked>>	97%	39494	83%	**90	95%
Norma 200	<<locked>>	83%	42569	89%	**00	100%
Norma 201	<<locked>>	95%	42322	88%	**30	95%
Norma 202	<<locked>>	96%	42844	90%	**62	98%
[Norma 203B]*	<<locked>>	96%	38725	81%	**03	92%
[Ramshot Big Game]*	<<locked>>	97%	40350	84%	**30	92%
[Ramshot Wild Boar]*	<<locked>>	93%	42250	88%	**49	93%
[Ramshot X-Terminator]*	<<locked>>	90%	43018	90%	**10	93%
ReloadSwiss RS 40	<<locked>>	88%	42670	89%	**33	97%
[ReloadSwiss RS 52]*	<<locked>>	97%	37956	79%	**20	94%
Rottweil R 901	<<locked>>	92%	42685	89%	**23	98%
Rottweil R 902	<<locked>>	97%	42322	88%	**20	95%
SNPE Vectan SP 10	<<locked>>	85%	43004	90%	**56	98%
[SNPE Vectan SP 9]*	<<locked>>	96%	42989	90%	**56	94%
SNPE Vectan Tubal 3000	<<locked>>	93%	42714	89%	**64	98%
SNPE Vectan Tubal 5000	<<locked>>	96%	37869	79%	**98	98%
Shooters World Match Rifle	<<locked>>	96%	42235	88%	**79	97%
Shooters World Precision	<<locked>>	97%	39494	83%	**90	95%
Shooters World Tactical Rifle	<<locked>>	86%	42395	89%	**84	95%
Somchem S321	<<locked>>	90%	42714	89%	**52	96%
Somchem S335	<<locked>>	94%	42859	90%	**97	99%
[Somchem S341]*	<<locked>>	94%	42902	90%	**36	93%
Vihtavuori N120	<<locked>>	84%	43076	90%	**41	100%
Vihtavuori N130	<<locked>>	89%	42221	88%	**64	100%
Vihtavuori N133	<<locked>>	96%	42699	89%	**87	100%
Vihtavuori N135	<<locked>>	97%	33069	69%	**75	98%
Vihtavuori N140	<<locked>>	97%	41162	86%	**10	98%
Vihtavuori N530	<<locked>>	91%	42975	90%	**49	96%
Vihtavuori N540	<<locked>>	97%	41162	86%	**36	98%
Winchester 748	<<locked>>	91%	42424	89%	**82	96%
[Winchester StaBALL Match]*	<<locked>>	89%	42902	90%	**72	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	87%	33895	71%	**69	90%
[ADI AR 2208]*	<<locked>>	95%	36738	77%	**02	90%
ADI AR 2219	<<locked>>	81%	36941	77%	**44	98%
Accurate 2015	<<locked>>	81%	31749	66%	**00	98%
[Accurate 2200]*	<<locked>>	89%	39581	83%	**31	90%
[Accurate 2230]*	<<locked>>	81%	32445	68%	**10	91%
[Accurate 2460]*	<<locked>>	81%	32314	68%	**26	93%
Accurate 2495	<<locked>>	81%	25338	53%	**28	96%
[Accurate 2520]*	<<locked>>	81%	26585	56%	**31	91%
[Accurate 4064]*	<<locked>>	82%	22046	46%	**10	90%
Alliant AR-Comp	<<locked>>	81%	27905	58%	**80	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	91%	30748	64%	**20	90%
Alliant Reloder-10x	<<locked>>	81%	34969	73%	**82	99%
[Alliant Reloder-15]*	<<locked>>	93%	36042	75%	**41	90%
Baschieri & Pellagri 106	<<locked>>	81%	37637	79%	**62	98%
[Baschieri & Pellagri 107]*	<<locked>>	92%	38638	81%	**70	90%
[Hodgdon BL-C2]*	<<locked>>	84%	30023	63%	**16	90%
[Hodgdon Benchmark]*	<<locked>>	81%	32445	68%	**74	92%
Hodgdon H322	<<locked>>	81%	31502	66%	**16	96%
Hodgdon H335	<<locked>>	81%	35984	75%	**28	96%
[IMR 3031]*	<<locked>>	81%	24526	51%	**75	93%
IMR 4198	<<locked>>	81%	36869	77%	**72	100%
[IMR 4895]*	<<locked>>	90%	33272	70%	**95	90%
[IMR 8208 XBR]*	<<locked>>	81%	29834	62%	**47	90%
[Lovex D073.4]*	<<locked>>	81%	34113	71%	**52	94%
[Lovex D073.5]*	<<locked>>	81%	32082	67%	**20	93%
[Lovex D073.6]*	<<locked>>	81%	24874	52%	**82	90%
[Lovex S060]*	<<locked>>	85%	33678	70%	**87	90%
[Lovex S062]*	<<locked>>	87%	29457	62%	**64	90%
Norma 200	<<locked>>	81%	39508	83%	**51	100%
[Norma 201]*	<<locked>>	83%	29428	61%	**44	90%
[Norma 202]*	<<locked>>	81%	26905	56%	**05	92%
[Norma 203B]*	<<locked>>	92%	33547	70%	**92	90%
[Ramshot Big Game]*	<<locked>>	94%	36767	77%	**51	90%
[Ramshot Wild Boar]*	<<locked>>	87%	34447	72%	**85	90%
[Ramshot X-Terminator]*	<<locked>>	82%	34200	71%	**26	90%
[ReloadSwiss RS 40]*	<<locked>>	81%	33634	70%	**46	94%
[ReloadSwiss RS 52]*	<<locked>>	89%	29921	63%	**23	90%
[Rottweil R 901]*	<<locked>>	81%	30618	64%	**60	94%
[Rottweil R 902]*	<<locked>>	85%	29443	62%	**38	90%
SNPE Vectan SP 10	<<locked>>	81%	37260	78%	**41	97%
[SNPE Vectan SP 9]*	<<locked>>	88%	34098	71%	**72	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	29414	61%	**92	94%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	23873	50%	**54	92%
[Shooters World Match Rifle]*	<<locked>>	81%	24874	52%	**82	90%
[Shooters World Precision]*	<<locked>>	87%	29457	62%	**64	90%
[Shooters World Tactical Rifle]*	<<locked>>	81%	35984	75%	**52	92%
[Somchem S321]*	<<locked>>	81%	31285	65%	**16	92%
[Somchem S335]*	<<locked>>	81%	28543	60%	**92	94%
[Somchem S341]*	<<locked>>	88%	34809	73%	**72	90%
Vihtavuori N120	<<locked>>	81%	38943	81%	**72	100%
Vihtavuori N130	<<locked>>	81%	33025	69%	**83	99%
Vihtavuori N133	<<locked>>	81%	27369	57%	**62	96%
[Vihtavuori N135]*	<<locked>>	81%	20827	44%	**24	91%
[Vihtavuori N140]*	<<locked>>	81%	25599	53%	**46	92%
[Vihtavuori N530]*	<<locked>>	81%	31024	65%	**93	91%
[Vihtavuori N540]*	<<locked>>	81%	25048	52%	**56	91%
[Winchester 748]*	<<locked>>	81%	30385	63%	**13	91%
[Winchester StaBALL Match]*	<<locked>>	81%	32460	68%	**49	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.