Load data for .307 Win. + .308 | 150gr | Sierra FMJBT GameKing

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 150gr \| Sierra FMJBT GameKing
Manufacturer SKU:	2115
Bullet Weight:	150gr \| 9.7g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	<<locked>>
Caliber:	.307 Win. load data
Case Length (l3):	2.014" \| 51.2mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	54.0 Grains of Water \| 3.51 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	60191 psi \| 4150 bar
LID:	LID_B5869_C393
Last updated:	2026-05-29
Recommended Twist Rate:	1:14 - 1:12

Load data for 154 loads in caliber .307 Win. with .308 | 150gr | Sierra FMJBT GameKing bullet and 77 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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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>>	97%	44672	74%	**82	94%
ADI AR 2207	<<locked>>	90%	54070	90%	**35	100%
ADI AR 2219 👍	<<locked>>	92%	52953	88%	**07	100%
ADI Benchmark 8208	<<locked>>	97%	47776	79%	**05	96%
Accurate 1680	<<locked>>	85%	52808	88%	**75	100%
Accurate 2015	<<locked>>	96%	48269	80%	**95	100%
Accurate 2200	<<locked>>	90%	53505	89%	**03	95%
Accurate 2230	<<locked>>	90%	53780	89%	**10	96%
Accurate 2460	<<locked>>	96%	53606	89%	**94	99%
Accurate 2495	<<locked>>	96%	36898	61%	**77	99%
Accurate 2520	<<locked>>	96%	46543	77%	**31	98%
Accurate 4064	<<locked>>	96%	34519	57%	**38	96%
Alliant AR-Comp	<<locked>>	97%	45440	75%	**31	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	97%	36114	60%	**44	93%
Alliant Reloder-10x	<<locked>>	96%	54056	90%	**87	100%
Alliant Reloder-7	<<locked>>	88%	52924	88%	**12	100%
Baschieri & Pellagri 106	<<locked>>	93%	53708	89%	**08	100%
[Baschieri & Pellagri 107]*	<<locked>>	97%	44933	75%	**85	92%
[Bofors RP3]*	<<locked>>	96%	33982	56%	**18	92%
Hodgdon BL-C2	<<locked>>	96%	44498	74%	**18	96%
Hodgdon Benchmark	<<locked>>	97%	51372	85%	**15	98%
Hodgdon CFE223	<<locked>>	97%	50821	84%	**46	95%
Hodgdon H322 👍	<<locked>>	96%	53940	90%	**17	100%
Hodgdon H335 👍	<<locked>>	95%	52837	88%	**10	99%
Hodgdon H4198	<<locked>>	88%	53403	89%	**05	100%
Hodgdon H4895	<<locked>>	97%	44817	74%	**92	95%
[Hodgdon VARGET]*	<<locked>>	96%	44048	73%	**49	94%
[Hodgdon LEVERevolution]*	<<locked>>	97%	40524	67%	**43	94%
Hodgdon TrailBoss	<<locked>>	95%	30284	50%	**35	100%
IMR 3031	<<locked>>	96%	42105	70%	**02	99%
[IMR 4064]*	<<locked>>	96%	39508	66%	**51	92%
IMR 4198	<<locked>>	94%	53185	88%	**28	100%
IMR 4227	<<locked>>	84%	53592	89%	**62	100%
[IMR 4895]*	<<locked>>	97%	39769	66%	**26	93%
IMR 8208 XBR	<<locked>>	97%	47776	79%	**05	96%
Lovex D073.4	<<locked>>	94%	52837	88%	**71	98%
Lovex D073.5	<<locked>>	96%	53505	89%	**94	98%
Lovex D073.6	<<locked>>	97%	41669	69%	**66	97%
Lovex S053	<<locked>>	86%	54157	90%	**33	100%
Lovex S060	<<locked>>	97%	47311	79%	**39	95%
[Lovex S062]*	<<locked>>	97%	38870	65%	**70	94%
Norma 200	<<locked>>	92%	54070	90%	**61	100%
Norma 201	<<locked>>	96%	43207	72%	**33	95%
Norma 202	<<locked>>	97%	43830	73%	**72	98%
[Norma 203B]*	<<locked>>	97%	38363	64%	**90	92%
[Ramshot TAC]*	<<locked>>	97%	49226	82%	**02	92%
Ramshot Wild Boar	<<locked>>	97%	47123	78%	**28	95%
Ramshot X-Terminator	<<locked>>	96%	52823	88%	**54	96%
ReloadSwiss RS 14	<<locked>>	96%	30879	51%	**88	100%
ReloadSwiss RS 36	<<locked>>	84%	53374	89%	**95	100%
ReloadSwiss RS 40	<<locked>>	96%	53737	89%	**97	99%
[ReloadSwiss RS 52]*	<<locked>>	97%	41452	69%	**92	92%
Rottweil R 901	<<locked>>	97%	48051	80%	**05	99%
Rottweil R 902	<<locked>>	97%	40988	68%	**87	95%
SNPE Vectan BA6 1/2	<<locked>>	89%	53606	89%	**79	100%
SNPE Vectan SP 10 👍	<<locked>>	93%	53954	90%	**17	99%
SNPE Vectan SP 3 👍	<<locked>>	95%	54157	90%	**87	100%
[SNPE Vectan SP 7]*	<<locked>>	97%	46238	77%	**72	92%
[SNPE Vectan SP 9]*	<<locked>>	97%	43671	73%	**56	94%
SNPE Vectan Tubal 3000	<<locked>>	97%	47282	79%	**33	99%
SNPE Vectan Tubal 5000	<<locked>>	97%	37797	63%	**88	98%
Shooters World Match Rifle	<<locked>>	97%	41669	69%	**66	97%
[Shooters World Precision]*	<<locked>>	97%	38870	65%	**70	94%
Shooters World Tactical Rifle	<<locked>>	94%	53896	90%	**54	97%
Somchem S321	<<locked>>	97%	52446	87%	**03	98%
Somchem S335	<<locked>>	96%	45150	75%	**23	99%
[Somchem S341]*	<<locked>>	97%	45701	76%	**72	94%
Vihtavuori N120	<<locked>>	89%	52765	88%	**72	100%
Vihtavuori N130	<<locked>>	97%	53301	89%	**18	100%
Vihtavuori N133	<<locked>>	97%	46615	77%	**36	100%
Vihtavuori N135	<<locked>>	97%	36651	61%	**48	99%
Vihtavuori N140	<<locked>>	97%	41568	69%	**03	98%
[Vihtavuori N150]*	<<locked>>	97%	32953	55%	**36	92%
Vihtavuori N530	<<locked>>	96%	47587	79%	**95	96%
Vihtavuori N540	<<locked>>	96%	39363	65%	**84	97%
Winchester 748	<<locked>>	97%	46137	77%	**41	97%
[Winchester StaBALL Match]*	<<locked>>	96%	42134	70%	**43	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	88%	34229	57%	**72	90%
ADI AR 2207	<<locked>>	81%	40727	68%	**41	100%
ADI AR 2219	<<locked>>	81%	36260	60%	**18	97%
[ADI Benchmark 8208]*	<<locked>>	82%	30008	50%	**44	90%
Accurate 1680	<<locked>>	81%	45585	76%	**74	100%
Accurate 2015	<<locked>>	81%	29863	50%	**44	97%
[Accurate 2200]*	<<locked>>	81%	39479	66%	**51	91%
[Accurate 2230]*	<<locked>>	81%	38566	64%	**51	91%
[Accurate 2460]*	<<locked>>	81%	31676	53%	**03	94%
[Accurate 2495]*	<<locked>>	81%	22118	37%	**13	94%
[Accurate 2520]*	<<locked>>	81%	27238	45%	**31	91%
[Accurate 4064]*	<<locked>>	84%	22960	38%	**39	91%
Alliant AR-Comp	<<locked>>	81%	27209	45%	**51	98%
[Alliant Reloder- TS 15.5]*	<<locked>>	92%	31299	52%	**29	90%
Alliant Reloder-10x	<<locked>>	81%	34360	57%	**56	99%
Alliant Reloder-7	<<locked>>	81%	42366	70%	**51	100%
Baschieri & Pellagri 106	<<locked>>	81%	37086	62%	**43	98%
[Baschieri & Pellagri 107]*	<<locked>>	93%	39276	65%	**70	90%
[Bofors RP3]*	<<locked>>	93%	30719	51%	**39	90%
[Hodgdon BL-C2]*	<<locked>>	83%	28674	48%	**74	90%
[Hodgdon Benchmark]*	<<locked>>	81%	32068	53%	**51	92%
[Hodgdon CFE223]*	<<locked>>	87%	37420	62%	**90	90%
Hodgdon H322	<<locked>>	81%	33272	55%	**52	96%
Hodgdon H335	<<locked>>	81%	33170	55%	**52	95%
Hodgdon H4198	<<locked>>	81%	42772	71%	**34	98%
[Hodgdon H4895]*	<<locked>>	86%	32489	54%	**39	90%
[Hodgdon VARGET]*	<<locked>>	87%	32909	55%	**20	90%
[Hodgdon LEVERevolution]*	<<locked>>	90%	32735	54%	**69	90%
Hodgdon TrailBoss	<<locked>>	88%	27238	45%	**80	100%
[IMR 3031]*	<<locked>>	81%	26136	43%	**21	94%
[IMR 4064]*	<<locked>>	93%	35810	59%	**75	90%
IMR 4198	<<locked>>	81%	36608	61%	**56	100%
IMR 4227	<<locked>>	81%	48501	81%	**90	100%
[IMR 4895]*	<<locked>>	91%	33663	56%	**95	90%
[IMR 8208 XBR]*	<<locked>>	82%	30008	50%	**44	90%
[Lovex D073.4]*	<<locked>>	81%	33518	56%	**29	93%
[Lovex D073.5]*	<<locked>>	81%	31488	52%	**00	92%
[Lovex D073.6]*	<<locked>>	82%	25831	43%	**98	90%
Lovex S053	<<locked>>	81%	47805	79%	**51	100%
[Lovex S060]*	<<locked>>	86%	33939	56%	**83	90%
[Lovex S062]*	<<locked>>	88%	29588	49%	**57	90%
Norma 200	<<locked>>	81%	39073	65%	**34	100%
[Norma 201]*	<<locked>>	84%	29936	50%	**47	90%
[Norma 202]*	<<locked>>	81%	26585	44%	**95	92%
[Norma 203B]*	<<locked>>	93%	33823	56%	**88	90%
[Ramshot TAC]*	<<locked>>	94%	44759	74%	**30	90%
[Ramshot Wild Boar]*	<<locked>>	88%	35389	59%	**98	90%
[Ramshot X-Terminator]*	<<locked>>	84%	35418	59%	**43	90%
ReloadSwiss RS 14	<<locked>>	85%	26063	43%	**90	100%
ReloadSwiss RS 36	<<locked>>	81%	48225	80%	**23	100%
[ReloadSwiss RS 40]*	<<locked>>	81%	32953	55%	**23	94%
[ReloadSwiss RS 52]*	<<locked>>	94%	37666	63%	**07	90%
[Rottweil R 901]*	<<locked>>	81%	30240	50%	**47	94%
[Rottweil R 902]*	<<locked>>	86%	29805	50%	**38	90%
SNPE Vectan BA6 1/2	<<locked>>	81%	43976	73%	**57	100%
SNPE Vectan SP 10	<<locked>>	81%	36463	61%	**21	96%
SNPE Vectan SP 3	<<locked>>	81%	35259	59%	**65	98%
[SNPE Vectan SP 7]*	<<locked>>	94%	41829	69%	**90	90%
[SNPE Vectan SP 9]*	<<locked>>	89%	34519	57%	**69	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	29051	48%	**72	93%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	23699	39%	**41	91%
[Shooters World Match Rifle]*	<<locked>>	82%	25831	43%	**98	90%
[Shooters World Precision]*	<<locked>>	88%	29588	49%	**57	90%
[Shooters World Tactical Rifle]*	<<locked>>	81%	35230	59%	**29	92%
[Somchem S321]*	<<locked>>	81%	30763	51%	**97	91%
[Somchem S335]*	<<locked>>	81%	28355	47%	**78	94%
[Somchem S341]*	<<locked>>	89%	35331	59%	**72	90%
Vihtavuori N120	<<locked>>	81%	40872	68%	**02	100%
Vihtavuori N130	<<locked>>	81%	33185	55%	**80	99%
Vihtavuori N133	<<locked>>	81%	28921	48%	**92	96%
[Vihtavuori N135]*	<<locked>>	81%	22771	38%	**90	93%
[Vihtavuori N140]*	<<locked>>	81%	25382	42%	**29	92%
[Vihtavuori N150]*	<<locked>>	93%	29240	49%	**44	90%
[Vihtavuori N530]*	<<locked>>	82%	30211	50%	**51	90%
[Vihtavuori N540]*	<<locked>>	82%	25019	42%	**36	90%
[Winchester 748]*	<<locked>>	82%	28660	48%	**54	90%
[Winchester StaBALL Match]*	<<locked>>	89%	33083	55%	**52	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