Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 247gr | Brenneke TOG

Recommended Powder(s): ADI AR 2206H, Hodgdon BL-C2, Ramshot Wild Boar, ReloadSwiss RS 52, Winchester 748

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.366 \| 247gr \| Brenneke TOG
Bullet Weight:	247gr \| 16.0g
Bullet Diameter:	0.366" \| 9.30mm
Bullet Length:	1.201" \| 30.5mm
Caliber:	9.3 x 66 Sako (370 Sako Mag) load data
Case Length (l3):	2.590" \| 65.8mm
Cartridge Length (C.O.L.):	3.290" \| 83.6mm
Seated Depth:	0.501" \| 12.7mm
Shank Seated Depth:	0.440" \| 11.2mm
Case Capacity:	81.0 Grains of Water \| 5.26 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	60191 psi \| 4150 bar
LID:	LID_B1188_C1263
Last updated:	2025-01-01
Recommended Twist Rate:	1:19 - 1:16

Load data for 184 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 247gr | Brenneke TOG bullet and 92 powders such as ADI AR 2206H, Hodgdon BL-C2, Ramshot Wild Boar, ReloadSwiss RS 52, Winchester 748. 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>>	94%	53896	90%	**92	99%
ADI AR 2208	<<locked>>	97%	49806	83%	**07	98%
ADI AR 2219	<<locked>>	84%	53330	89%	**52	100%
Accurate 2015	<<locked>>	90%	53679	89%	**03	100%
Accurate 2200	<<locked>>	91%	53359	89%	**39	98%
Accurate 2230	<<locked>>	87%	53432	89%	**36	99%
Accurate 2460	<<locked>>	87%	53200	88%	**43	100%
Accurate 2495	<<locked>>	93%	53359	89%	**72	100%
Accurate 2520	<<locked>>	92%	53490	89%	**89	100%
[Accurate 2700]*	<<locked>>	97%	49356	82%	**34	93%
Accurate 4064	<<locked>>	97%	49153	82%	**36	100%
[Accurate 4350]*	<<locked>>	97%	35781	59%	**59	93%
Alliant AR-Comp	<<locked>>	93%	54041	90%	**62	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	48849	81%	**33	99%
Alliant Reloder-10x	<<locked>>	87%	53476	89%	**10	100%
Alliant Reloder-15	<<locked>>	97%	53040	88%	**02	99%
[Alliant Reloder-16]*	<<locked>>	97%	38319	64%	**85	94%
Alliant Reloder-17	<<locked>>	97%	43236	72%	**16	98%
Baschieri & Pellagri 106	<<locked>>	85%	53461	89%	**57	100%
Baschieri & Pellagri 107	<<locked>>	94%	53403	89%	**02	98%
Hodgdon BL-C2 👍	<<locked>>	92%	53505	89%	**18	100%
Hodgdon Benchmark	<<locked>>	90%	54099	90%	**20	100%
Hodgdon CFE223	<<locked>>	97%	51938	86%	**15	98%
Hodgdon H322	<<locked>>	90%	53911	90%	**56	100%
Hodgdon H335	<<locked>>	85%	53693	89%	**69	100%
Hodgdon H380	<<locked>>	97%	50459	84%	**49	97%
[Hodgdon H414]*	<<locked>>	97%	44411	74%	**90	92%
Hodgdon H4198	<<locked>>	83%	53679	89%	**64	100%
Hodgdon Hybrid 100V	<<locked>>	97%	34345	57%	**80	95%
[Hodgdon LVR]*	<<locked>>	97%	41263	69%	**31	94%
Hodgdon VARGET	<<locked>>	97%	49632	82%	**07	98%
IMR 3031	<<locked>>	97%	52721	88%	**92	100%
IMR 4064	<<locked>>	97%	48921	81%	**90	98%
[IMR 4166 Enduron]*	<<locked>>	97%	49472	82%	**57	94%
IMR 4198	<<locked>>	87%	53940	90%	**67	100%
[IMR 4451 Enduron]*	<<locked>>	97%	46760	78%	**41	93%
[IMR 4831]*	<<locked>>	97%	31778	53%	**41	91%
IMR 4895	<<locked>>	97%	54099	90%	**25	99%
IMR 8208 XBR	<<locked>>	92%	53606	89%	**56	100%
Lovex D073.4	<<locked>>	87%	54041	90%	**43	100%
Lovex D073.5	<<locked>>	88%	53635	89%	**46	100%
Lovex D073.6	<<locked>>	94%	53490	89%	**89	100%
Lovex S060	<<locked>>	93%	53650	89%	**16	99%
Lovex S062	<<locked>>	97%	51692	86%	**46	100%
[Lovex S065]*	<<locked>>	97%	42221	70%	**85	94%
Norma 201	<<locked>>	95%	54041	90%	**66	100%
Norma 202	<<locked>>	94%	54070	90%	**69	100%
Norma 203B	<<locked>>	97%	51938	86%	**89	99%
[Norma URP]*	<<locked>>	97%	37492	62%	**72	94%
Ramshot Big Game	<<locked>>	97%	52417	87%	**12	99%
Ramshot TAC	<<locked>>	91%	53795	89%	**59	97%
Ramshot Wild Boar 👍	<<locked>>	92%	53519	89%	**92	99%
Ramshot X-Terminator	<<locked>>	89%	53447	89%	**36	99%
ReloadSwiss RS 40	<<locked>>	88%	54099	90%	**59	100%
ReloadSwiss RS 50	<<locked>>	97%	51692	86%	**33	95%
ReloadSwiss RS 52 👍	<<locked>>	97%	50517	84%	**08	100%
ReloadSwiss RS 60	<<locked>>	97%	42018	70%	**07	98%
[ReloadSwiss RS 62]*	<<locked>>	97%	36840	61%	**82	93%
Rottweil R 901	<<locked>>	92%	53809	89%	**39	100%
Rottweil R 902	<<locked>>	96%	53679	89%	**49	100%
Rottweil R 903	<<locked>>	97%	45237	75%	**87	98%
[Rottweil R 907]*	<<locked>>	97%	44701	74%	**08	92%
SNPE Vectan SP 10	<<locked>>	84%	53722	89%	**59	100%
SNPE Vectan SP 11	<<locked>>	97%	47181	78%	**39	98%
SNPE Vectan SP 7	<<locked>>	93%	53795	89%	**66	97%
SNPE Vectan SP 9	<<locked>>	94%	53258	88%	**79	99%
SNPE Vectan Tubal 3000	<<locked>>	93%	53925	90%	**84	100%
SNPE Vectan Tubal 5000	<<locked>>	97%	49255	82%	**34	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	97%	41394	69%	**39	92%
[Shooters World Long Rifle]*	<<locked>>	97%	42221	70%	**85	94%
Shooters World Match Rifle	<<locked>>	94%	53490	89%	**89	100%
Shooters World Precision	<<locked>>	97%	51692	86%	**46	100%
Shooters World Tactical Rifle	<<locked>>	86%	53461	89%	**20	99%
Somchem S321	<<locked>>	89%	53621	89%	**82	100%
Somchem S335	<<locked>>	94%	53896	90%	**00	100%
Somchem S341	<<locked>>	93%	53896	90%	**72	99%
Somchem S355	<<locked>>	97%	46151	77%	**87	98%
Somchem S365	<<locked>>	97%	33315	55%	**20	96%
Vihtavuori N120	<<locked>>	84%	53171	88%	**95	100%
Vihtavuori N130	<<locked>>	89%	53388	89%	**61	100%
Vihtavuori N133	<<locked>>	95%	53635	89%	**80	100%
Vihtavuori N135	<<locked>>	97%	44193	73%	**21	100%
Vihtavuori N140	<<locked>>	96%	53534	89%	**39	100%
Vihtavuori N150	<<locked>>	96%	39015	65%	**36	98%
Vihtavuori N160	<<locked>>	97%	41553	69%	**11	95%
Vihtavuori N530	<<locked>>	90%	53635	89%	**69	100%
Vihtavuori N540	<<locked>>	97%	54085	90%	**79	100%
Vihtavuori N550	<<locked>>	97%	41350	69%	**51	95%
Winchester 6.5 StaBALL	<<locked>>	97%	40785	68%	**69	97%
Winchester 748 👍	<<locked>>	90%	54172	90%	**21	100%
[Winchester 760]*	<<locked>>	97%	44411	74%	**90	92%
Winchester StaBALL Match	<<locked>>	87%	53403	89%	**95	99%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	36274	60%	**87	95%
[ADI AR 2208]*	<<locked>>	81%	30980	51%	**52	92%
ADI AR 2219	<<locked>>	81%	47805	79%	**77	100%
Accurate 2015	<<locked>>	81%	41118	68%	**23	100%
[Accurate 2200]*	<<locked>>	81%	38406	64%	**87	94%
Accurate 2230	<<locked>>	81%	42801	71%	**79	98%
Accurate 2460	<<locked>>	81%	42888	71%	**85	99%
Accurate 2495	<<locked>>	81%	35723	59%	**03	100%
Accurate 2520	<<locked>>	81%	36434	61%	**16	98%
[Accurate 2700]*	<<locked>>	92%	41829	69%	**13	90%
Accurate 4064	<<locked>>	81%	30197	50%	**88	98%
[Accurate 4350]*	<<locked>>	90%	29066	48%	**01	90%
Alliant AR-Comp	<<locked>>	81%	36724	61%	**16	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	29515	49%	**65	94%
Alliant Reloder-10x	<<locked>>	81%	45121	75%	**92	100%
[Alliant Reloder-15]*	<<locked>>	81%	32140	53%	**18	93%
[Alliant Reloder-16]*	<<locked>>	90%	31502	52%	**18	90%
[Alliant Reloder-17]*	<<locked>>	83%	28050	47%	**56	90%
Baschieri & Pellagri 106	<<locked>>	81%	47007	78%	**72	100%
[Baschieri & Pellagri 107]*	<<locked>>	81%	35027	58%	**74	93%
Hodgdon BL-C2	<<locked>>	81%	36361	60%	**29	97%
Hodgdon Benchmark	<<locked>>	81%	40799	68%	**10	98%
[Hodgdon CFE223]*	<<locked>>	81%	30792	51%	**05	90%
Hodgdon H322	<<locked>>	81%	40321	67%	**56	100%
Hodgdon H335	<<locked>>	81%	46920	78%	**74	100%
[Hodgdon H380]*	<<locked>>	81%	30545	51%	**69	90%
[Hodgdon H414]*	<<locked>>	93%	38740	64%	**79	90%
Hodgdon H4198	<<locked>>	81%	50256	83%	**18	100%
[Hodgdon Hybrid 100V]*	<<locked>>	88%	26614	44%	**77	90%
[Hodgdon LVR]*	<<locked>>	89%	32155	53%	**34	90%
[Hodgdon VARGET]*	<<locked>>	81%	30835	51%	**42	92%
IMR 3031	<<locked>>	81%	32010	53%	**47	99%
[IMR 4064]*	<<locked>>	81%	30211	50%	**26	92%
[IMR 4166 Enduron]*	<<locked>>	88%	38290	64%	**60	90%
IMR 4198	<<locked>>	81%	46224	77%	**65	100%
[IMR 4451 Enduron]*	<<locked>>	90%	38479	64%	**97	90%
[IMR 4831]*	<<locked>>	94%	29573	49%	**88	90%
[IMR 4895]*	<<locked>>	81%	32909	55%	**44	94%
IMR 8208 XBR	<<locked>>	81%	38290	64%	**06	97%
Lovex D073.4	<<locked>>	81%	44643	74%	**08	99%
Lovex D073.5	<<locked>>	81%	42496	71%	**82	99%
Lovex D073.6	<<locked>>	81%	34142	57%	**70	98%
Lovex S060	<<locked>>	81%	37405	62%	**44	96%
Lovex S062	<<locked>>	81%	31966	53%	**88	95%
[Lovex S065]*	<<locked>>	89%	33605	56%	**15	90%
Norma 201	<<locked>>	81%	35679	59%	**57	97%
Norma 202	<<locked>>	81%	35418	59%	**67	99%
[Norma 203B]*	<<locked>>	81%	31676	53%	**08	93%
[Norma URP]*	<<locked>>	90%	30255	50%	**05	90%
[Ramshot Big Game]*	<<locked>>	81%	31270	52%	**11	92%
[Ramshot TAC]*	<<locked>>	81%	38218	64%	**97	93%
Ramshot Wild Boar	<<locked>>	81%	37101	62%	**20	95%
Ramshot X-Terminator	<<locked>>	81%	41597	69%	**49	97%
ReloadSwiss RS 40	<<locked>>	81%	42989	71%	**88	99%
[ReloadSwiss RS 50]*	<<locked>>	86%	35984	60%	**60	90%
ReloadSwiss RS 52	<<locked>>	81%	30095	50%	**18	95%
[ReloadSwiss RS 60]*	<<locked>>	83%	26963	45%	**23	90%
[ReloadSwiss RS 62]*	<<locked>>	92%	31343	52%	**54	90%
Rottweil R 901	<<locked>>	81%	39218	65%	**03	99%
Rottweil R 902	<<locked>>	81%	33837	56%	**11	96%
[Rottweil R 903]*	<<locked>>	81%	27050	45%	**06	92%
[Rottweil R 907]*	<<locked>>	93%	40234	67%	**29	90%
SNPE Vectan SP 10	<<locked>>	81%	48254	80%	**84	100%
[SNPE Vectan SP 11]*	<<locked>>	81%	28703	48%	**49	91%
[SNPE Vectan SP 7]*	<<locked>>	81%	36027	60%	**64	92%
SNPE Vectan SP 9	<<locked>>	81%	34882	58%	**57	95%
SNPE Vectan Tubal 3000	<<locked>>	81%	37521	62%	**31	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	30545	51%	**06	98%
[SNPE Vectan Tubal 7000]*	<<locked>>	93%	37057	62%	**60	90%
[Shooters World Long Rifle]*	<<locked>>	89%	33605	56%	**15	90%
Shooters World Match Rifle	<<locked>>	81%	34142	57%	**70	98%
Shooters World Precision	<<locked>>	81%	31966	53%	**88	95%
Shooters World Tactical Rifle	<<locked>>	81%	45977	76%	**05	98%
Somchem S321	<<locked>>	81%	40857	68%	**75	98%
Somchem S335	<<locked>>	81%	36956	61%	**38	99%
Somchem S341	<<locked>>	81%	35607	59%	**70	95%
[Somchem S355]*	<<locked>>	81%	28398	47%	**26	92%
[Somchem S365]*	<<locked>>	87%	24555	41%	**70	90%
Vihtavuori N120	<<locked>>	81%	49240	82%	**46	100%
Vihtavuori N130	<<locked>>	81%	41684	69%	**97	100%
Vihtavuori N133	<<locked>>	81%	35085	58%	**92	100%
Vihtavuori N135	<<locked>>	81%	27398	46%	**93	98%
Vihtavuori N140	<<locked>>	81%	32866	55%	**98	98%
[Vihtavuori N150]*	<<locked>>	81%	24163	40%	**91	92%
[Vihtavuori N160]*	<<locked>>	88%	31111	52%	**88	90%
Vihtavuori N530	<<locked>>	81%	40364	67%	**56	98%
Vihtavuori N540	<<locked>>	81%	32532	54%	**15	98%
[Vihtavuori N550]*	<<locked>>	87%	30429	51%	**15	90%
[Winchester 6.5 StaBALL]*	<<locked>>	84%	27253	45%	**60	90%
Winchester 748	<<locked>>	81%	39523	66%	**88	98%
[Winchester 760]*	<<locked>>	93%	38740	64%	**79	90%
Winchester StaBALL Match	<<locked>>	81%	42380	70%	**28	98%

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