Load data for 9.3 x 74 R + .366 | 255gr | Geco EXPRESS

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.366 \| 255gr \| Geco EXPRESS
Manufacturer SKU:	2416988
Bullet Weight:	255gr \| 16.5g
Bullet Diameter:	0.366" \| 9.30mm
Bullet Length:	1.299" \| 33.0mm
Caliber:	9.3 x 74 R load data
Case Length (l3):	2.910" \| 73.9mm
Cartridge Length (C.O.L.):	3.664" \| 93.1mm
Seated Depth:	0.545" \| 13.8mm
Shank Seated Depth:	0.545" \| 13.8mm
Case Capacity:	83.0 Grains of Water \| 5.39 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	49313 psi \| 3400 bar
LID:	LID_B9003_C1269
Last updated:	2025-01-01

Load data for 146 loads in caliber 9.3 x 74 R with .366 | 255gr | Geco EXPRESS bullet and 73 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>>	86%	44121	89%	**92	98%
ADI AR 2208	<<locked>>	92%	43845	89%	**75	97%
Accurate 2200	<<locked>>	84%	44063	89%	**52	96%
Accurate 2495	<<locked>>	86%	44019	89%	**95	100%
Accurate 2520	<<locked>>	86%	44164	90%	**08	100%
[Accurate 2700]*	<<locked>>	93%	44237	90%	**13	91%
Accurate 4064 👍	<<locked>>	92%	43758	89%	**08	100%
[Accurate 4350]*	<<locked>>	97%	37231	75%	**46	94%
Alliant AR-Comp	<<locked>>	86%	44164	90%	**85	100%
Alliant Reloder- TS 15.5	<<locked>>	92%	43932	89%	**08	98%
Alliant Reloder-15	<<locked>>	90%	43903	89%	**15	97%
[Alliant Reloder-16]*	<<locked>>	97%	38696	78%	**56	94%
Alliant Reloder-17	<<locked>>	96%	43743	89%	**87	98%
Baschieri & Pellagri 107	<<locked>>	87%	43874	89%	**11	96%
Hodgdon BL-C2	<<locked>>	86%	43729	89%	**25	99%
Hodgdon CFE223	<<locked>>	91%	44019	89%	**48	96%
Hodgdon H380	<<locked>>	92%	43918	89%	**98	96%
[Hodgdon H414]*	<<locked>>	96%	44309	90%	**54	93%
Hodgdon Hybrid 100V	<<locked>>	97%	35433	72%	**67	95%
Hodgdon LVR	<<locked>>	97%	42569	86%	**15	95%
Hodgdon VARGET	<<locked>>	92%	44338	90%	**82	97%
IMR 3031	<<locked>>	90%	43990	89%	**21	100%
IMR 4064	<<locked>>	93%	44338	90%	**75	97%
[IMR 4166 Enduron]*	<<locked>>	92%	44309	90%	**33	93%
[IMR 4451 Enduron]*	<<locked>>	94%	43918	89%	**56	93%
[IMR 4831]*	<<locked>>	97%	32866	67%	**34	93%
IMR 4895	<<locked>>	89%	44237	90%	**31	98%
IMR 8208 XBR	<<locked>>	85%	43888	89%	**65	99%
Lovex D073.6	<<locked>>	88%	44164	90%	**08	100%
Lovex S060	<<locked>>	86%	44063	89%	**26	98%
Lovex S062 👍	<<locked>>	91%	44295	90%	**88	99%
[Lovex S065]*	<<locked>>	97%	43700	89%	**69	94%
[Lovex S070]*	<<locked>>	97%	40944	83%	**36	92%
Norma 201	<<locked>>	87%	44367	90%	**75	99%
Norma 202	<<locked>>	87%	43918	89%	**82	100%
Norma 203B	<<locked>>	90%	43772	89%	**11	98%
[Norma URP]*	<<locked>>	97%	38551	78%	**52	94%
Ramshot Big Game	<<locked>>	91%	43859	89%	**31	97%
[Ramshot Hunter]*	<<locked>>	97%	38348	78%	**39	92%
Ramshot TAC	<<locked>>	85%	44353	90%	**65	95%
Ramshot Wild Boar	<<locked>>	85%	44237	90%	**05	98%
[ReloadSwiss RS 50]*	<<locked>>	91%	43671	89%	**69	94%
ReloadSwiss RS 52 👍	<<locked>>	92%	44193	90%	**64	99%
ReloadSwiss RS 60	<<locked>>	97%	43323	88%	**90	99%
[ReloadSwiss RS 62]*	<<locked>>	97%	37797	77%	**62	94%
[ReloadSwiss RS 70]*	<<locked>>	97%	39798	81%	**82	93%
Rottweil R 901	<<locked>>	84%	44164	90%	**49	100%
Rottweil R 902	<<locked>>	89%	43874	89%	**56	99%
Rottweil R 903	<<locked>>	95%	43816	89%	**15	98%
[Rottweil R 907]*	<<locked>>	95%	43714	89%	**52	92%
SNPE Vectan SP 11	<<locked>>	94%	44034	89%	**41	98%
SNPE Vectan SP 7	<<locked>>	86%	43990	89%	**75	96%
SNPE Vectan SP 9	<<locked>>	88%	44034	89%	**95	98%
SNPE Vectan Tubal 3000	<<locked>>	85%	43685	89%	**97	100%
SNPE Vectan Tubal 5000	<<locked>>	92%	43888	89%	**13	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	97%	42482	86%	**16	92%
[Shooters World Long Rifle]*	<<locked>>	97%	43700	89%	**69	94%
Shooters World Match Rifle	<<locked>>	88%	44164	90%	**08	100%
Shooters World Precision 👍	<<locked>>	91%	44295	90%	**88	99%
Somchem S335	<<locked>>	86%	43830	89%	**16	100%
Somchem S341	<<locked>>	86%	44121	89%	**82	98%
Somchem S355	<<locked>>	94%	43526	88%	**95	98%
Somchem S365	<<locked>>	97%	34113	69%	**00	97%
Vihtavuori N133	<<locked>>	88%	44019	89%	**06	100%
Vihtavuori N135	<<locked>>	96%	44106	89%	**69	100%
Vihtavuori N140	<<locked>>	89%	44280	90%	**65	100%
Vihtavuori N150	<<locked>>	97%	40306	82%	**23	99%
Vihtavuori N160	<<locked>>	97%	42554	86%	**88	96%
Vihtavuori N540 👍	<<locked>>	90%	44208	90%	**92	100%
Vihtavuori N550	<<locked>>	97%	42757	87%	**31	96%
Winchester 6.5 StaBALL	<<locked>>	97%	41989	85%	**52	97%
Winchester 748	<<locked>>	83%	44251	90%	**25	99%
[Winchester 760]*	<<locked>>	96%	44309	90%	**54	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	37347	76%	**67	96%
[ADI AR 2208]*	<<locked>>	81%	31850	65%	**33	93%
Accurate 2200	<<locked>>	81%	39465	80%	**70	95%
Accurate 2495	<<locked>>	81%	36608	74%	**74	100%
Accurate 2520	<<locked>>	81%	37550	76%	**97	99%
[Accurate 2700]*	<<locked>>	90%	40553	82%	**51	90%
Accurate 4064	<<locked>>	81%	30792	62%	**59	98%
[Accurate 4350]*	<<locked>>	88%	28239	57%	**42	90%
Alliant AR-Comp	<<locked>>	81%	37826	77%	**93	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	30356	62%	**42	94%
[Alliant Reloder-15]*	<<locked>>	81%	33170	67%	**05	94%
[Alliant Reloder-16]*	<<locked>>	89%	31111	63%	**75	91%
[Alliant Reloder-17]*	<<locked>>	82%	27137	55%	**00	90%
[Baschieri & Pellagri 107]*	<<locked>>	81%	36056	73%	**60	94%
Hodgdon BL-C2	<<locked>>	81%	37594	76%	**10	97%
[Hodgdon CFE223]*	<<locked>>	81%	31705	64%	**88	92%
[Hodgdon H380]*	<<locked>>	81%	31082	63%	**42	91%
[Hodgdon H414]*	<<locked>>	91%	37536	76%	**20	90%
[Hodgdon Hybrid 100V]*	<<locked>>	87%	26020	53%	**28	90%
[Hodgdon LVR]*	<<locked>>	87%	31749	64%	**85	90%
[Hodgdon VARGET]*	<<locked>>	81%	31575	64%	**26	93%
IMR 3031	<<locked>>	81%	33083	67%	**24	100%
[IMR 4064]*	<<locked>>	81%	31096	63%	**13	93%
[IMR 4166 Enduron]*	<<locked>>	86%	36854	75%	**95	90%
[IMR 4451 Enduron]*	<<locked>>	89%	37623	76%	**41	90%
[IMR 4831]*	<<locked>>	92%	28631	58%	**23	90%
IMR 4895	<<locked>>	81%	33968	69%	**31	95%
IMR 8208 XBR	<<locked>>	81%	39378	80%	**87	98%
Lovex D073.6	<<locked>>	81%	35346	72%	**47	98%
Lovex S060	<<locked>>	81%	38363	78%	**28	96%
Lovex S062	<<locked>>	81%	32967	67%	**69	96%
[Lovex S065]*	<<locked>>	87%	32358	66%	**46	90%
[Lovex S070]*	<<locked>>	92%	35737	72%	**38	90%
Norma 201	<<locked>>	81%	36390	74%	**28	97%
Norma 202	<<locked>>	81%	36506	74%	**47	99%
[Norma 203B]*	<<locked>>	81%	32692	66%	**95	94%
[Norma URP]*	<<locked>>	88%	29443	60%	**42	90%
[Ramshot Big Game]*	<<locked>>	81%	32082	65%	**92	93%
[Ramshot Hunter]*	<<locked>>	94%	35273	72%	**74	90%
[Ramshot TAC]*	<<locked>>	81%	39291	80%	**77	93%
Ramshot Wild Boar	<<locked>>	81%	37942	77%	**93	96%
[ReloadSwiss RS 50]*	<<locked>>	84%	34983	71%	**01	90%
ReloadSwiss RS 52	<<locked>>	81%	30792	62%	**92	96%
[ReloadSwiss RS 60]*	<<locked>>	81%	26063	53%	**64	90%
[ReloadSwiss RS 62]*	<<locked>>	91%	31154	63%	**08	90%
[ReloadSwiss RS 70]*	<<locked>>	93%	34592	70%	**67	90%
Rottweil R 901	<<locked>>	81%	40176	81%	**80	99%
Rottweil R 902	<<locked>>	81%	34853	71%	**88	97%
[Rottweil R 903]*	<<locked>>	81%	27905	57%	**90	93%
[Rottweil R 907]*	<<locked>>	92%	39247	80%	**74	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	29414	60%	**29	92%
[SNPE Vectan SP 7]*	<<locked>>	81%	37173	75%	**47	93%
SNPE Vectan SP 9	<<locked>>	81%	35636	72%	**38	95%
SNPE Vectan Tubal 3000	<<locked>>	81%	38435	78%	**08	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	31459	64%	**90	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	92%	35955	73%	**98	90%
[Shooters World Long Rifle]*	<<locked>>	87%	32358	66%	**46	90%
Shooters World Match Rifle	<<locked>>	81%	35346	72%	**47	98%
Shooters World Precision	<<locked>>	81%	32967	67%	**69	96%
Somchem S335	<<locked>>	81%	37521	76%	**08	100%
Somchem S341	<<locked>>	81%	36724	74%	**47	96%
[Somchem S355]*	<<locked>>	81%	29037	59%	**03	93%
[Somchem S365]*	<<locked>>	85%	23859	48%	**11	90%
Vihtavuori N133	<<locked>>	81%	35882	73%	**69	100%
Vihtavuori N135	<<locked>>	81%	28340	57%	**73	99%
Vihtavuori N140	<<locked>>	81%	33895	69%	**82	99%
[Vihtavuori N150]*	<<locked>>	81%	24932	51%	**82	93%
[Vihtavuori N160]*	<<locked>>	86%	29907	61%	**23	90%
Vihtavuori N540	<<locked>>	81%	33562	68%	**95	98%
[Vihtavuori N550]*	<<locked>>	85%	29631	60%	**56	90%
[Winchester 6.5 StaBALL]*	<<locked>>	82%	26411	54%	**01	90%
Winchester 748	<<locked>>	81%	40799	83%	**72	99%
[Winchester 760]*	<<locked>>	91%	37536	76%	**20	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