Load data for 7.63 Mauser + .309 | 120gr | LEE Mold C309-120-R

Recommended Powder(s): Vihtavuori 3N37, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.309 \| 120gr \| LEE Mold C309-120-R
Manufacturer SKU:	C309-120-R
Bullet Weight:	120gr \| 7.8g
Bullet Diameter:	0.309" \| 7.85mm
Bullet Length:	0.711" \| 18.1mm
Caliber:	7.63 Mauser load data
Case Length (l3):	0.990" \| 25.1mm
Cartridge Length (C.O.L.):	1.359" \| 34.5mm
Seated Depth:	0.342" \| 8.7mm
Shank Seated Depth:	0.342" \| 8.7mm
Case Capacity:	17.2 Grains of Water \| 1.12 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	37710 psi \| 2600 bar
LID:	LID_B3252_C1127
Last updated:	2025-01-01

Load data for 116 loads in caliber 7.63 Mauser with .309 | 120gr | LEE Mold C309-120-R bullet and 58 powders such as Vihtavuori 3N37, Vihtavuori N350. 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 AP 100	<<locked>>	95%	32474	86%	**50	98%
ADI AP 70N	<<locked>>	66%	32837	87%	**55	100%
ADI APS 350	<<locked>>	68%	31604	84%	**1	100%
ADI APS 450	<<locked>>	72%	32692	87%	**17	100%
ADI AS 30	<<locked>>	76%	33779	90%	**66	100%
ADI AS 50N	<<locked>>	72%	33852	90%	**12	100%
Accurate No. 2	<<locked>>	73%	33489	89%	**78	100%
Accurate No. 7	<<locked>>	77%	33808	90%	**19	91%
[Accurate No. 9]*	<<locked>>	85%	33881	90%	**09	85%
Accurate Solo 1000	<<locked>>	73%	32938	87%	**83	100%
Accurate Solo 1250	<<locked>>	78%	32677	87%	**38	100%
[Accurate TCM]*	<<locked>>	85%	33533	89%	**96	86%
[Alliant 2400]*	<<locked>>	97%	33794	90%	**32	82%
[Alliant BLUE DOT]*	<<locked>>	96%	31299	83%	**70	89%
Alliant BULLSEYE	<<locked>>	68%	32300	86%	**94	100%
Alliant POWER PISTOL	<<locked>>	79%	32692	87%	**99	98%
Alliant UNIQUE	<<locked>>	80%	33475	89%	**14	100%
Baschieri & Pellagri 100	<<locked>>	76%	33837	90%	**99	100%
Hodgdon Clays	<<locked>>	68%	32155	85%	**8	100%
Hodgdon HS-6	<<locked>>	65%	32634	87%	**34	100%
Hodgdon Longshot	<<locked>>	62%	33011	88%	**34	100%
Hodgdon Universal	<<locked>>	73%	32837	87%	**55	100%
Hodgdon TrailBoss	<<locked>>	93%	13010	34%	**4	100%
Lovex D037.1	<<locked>>	77%	33808	90%	**19	91%
[Lovex D037.2]*	<<locked>>	84%	33881	90%	**09	85%
Lovex S011	<<locked>>	64%	33707	89%	**15	100%
Lovex S020	<<locked>>	72%	32866	87%	**68	100%
Maxam CSB 1	<<locked>>	82%	32706	87%	**35	100%
Maxam CSB 2	<<locked>>	79%	33417	89%	**45	100%
Maxam CSB 3	<<locked>>	76%	32343	86%	**06	100%
Maxam CSB 4	<<locked>>	75%	33620	89%	**02	100%
Maxam CSB 5	<<locked>>	69%	32561	86%	**43	100%
[Ramshot Enforcer]*	<<locked>>	96%	31705	84%	**19	82%
Ramshot Silhouette	<<locked>>	65%	32242	85%	**01	100%
ReloadSwiss RS 12	<<locked>>	68%	32169	85%	**19	100%
ReloadSwiss RS 14	<<locked>>	95%	12198	32%	**7	100%
ReloadSwiss RS 20	<<locked>>	81%	33794	90%	**14	100%
ReloadSwiss RS 24	<<locked>>	82%	32837	87%	**96	93%
Rottweil P 801	<<locked>>	65%	33475	89%	**99	100%
Rottweil P 806	<<locked>>	89%	33779	90%	**42	100%
SNPE Vectan A0	<<locked>>	80%	32039	85%	**55	100%
SNPE Vectan BA 9	<<locked>>	74%	33489	89%	**48	100%
SNPE Vectan BA10	<<locked>>	67%	32677	87%	**17	100%
SNPE Vectan BA7 1/2	<<locked>>	87%	33156	88%	**24	100%
SNPE Vectan BA9 1/2	<<locked>>	75%	32895	87%	**45	100%
[Shooters World Heavy Pistol]*	<<locked>>	84%	33881	90%	**09	85%
Shooters World Major Pistol	<<locked>>	77%	33808	90%	**19	91%
Somchem MP200	<<locked>>	72%	32111	85%	**91	100%
Somchem MS200	<<locked>>	76%	32387	86%	**71	100%
Somchem S221	<<locked>>	69%	32764	87%	**70	96%
Vihtavuori 3N37 👍	<<locked>>	81%	33373	89%	**47	100%
Vihtavuori 3N38	<<locked>>	94%	33692	89%	**96	94%
Vihtavuori N105	<<locked>>	96%	27369	73%	**63	96%
Vihtavuori N320	<<locked>>	72%	32909	87%	**99	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	32140	85%	**27	100%
Vihtavuori N330	<<locked>>	74%	33185	88%	**58	100%
Vihtavuori N340	<<locked>>	78%	32982	87%	**81	100%
Vihtavuori N350 👍	<<locked>>	84%	33011	88%	**37	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	12517	33%	**6	83%
ADI AP 70N	<<locked>>	61%	28718	76%	**06	100%
ADI APS 350	<<locked>>	62%	26977	72%	**2	100%
ADI APS 450	<<locked>>	60%	24308	64%	**9	100%
ADI AS 30	<<locked>>	60%	23018	61%	**8	100%
ADI AS 50N	<<locked>>	62%	25483	68%	**10	100%
Accurate No. 2	<<locked>>	61%	22756	60%	**40	100%
[Accurate No. 7]*	<<locked>>	62%	19261	51%	**73	81%
[Accurate No. 9]*	<<locked>>	78%	25976	69%	**94	80%
Accurate Solo 1000	<<locked>>	62%	24569	65%	**1	100%
Accurate Solo 1250	<<locked>>	60%	19232	51%	**8	100%
[Accurate TCM]*	<<locked>>	76%	24250	64%	**58	81%
[Alliant 2400]*	<<locked>>	94%	30371	81%	**80	80%
[Alliant BLUE DOT]*	<<locked>>	80%	20305	54%	**79	81%
Alliant BULLSEYE	<<locked>>	61%	26266	70%	**12	100%
Alliant POWER PISTOL	<<locked>>	61%	18739	50%	**50	90%
Alliant UNIQUE	<<locked>>	60%	19276	51%	**07	100%
Baschieri & Pellagri 100	<<locked>>	60%	21654	57%	**5	100%
Hodgdon Clays	<<locked>>	62%	27427	73%	**5	100%
Hodgdon HS-6	<<locked>>	61%	29109	77%	**91	99%
Hodgdon Longshot	<<locked>>	60%	31140	83%	**14	100%
Hodgdon Universal	<<locked>>	61%	23206	62%	**30	100%
Hodgdon TrailBoss	<<locked>>	69%	7890	21%	**6	100%
[Lovex D037.1]*	<<locked>>	62%	19261	51%	**73	81%
[Lovex D037.2]*	<<locked>>	77%	25976	69%	**94	80%
Lovex S011	<<locked>>	62%	31386	83%	**93	100%
Lovex S020	<<locked>>	61%	22858	61%	**47	100%
Maxam CSB 1	<<locked>>	61%	18347	49%	**8	100%
Maxam CSB 2	<<locked>>	61%	19885	53%	**4	100%
Maxam CSB 3	<<locked>>	62%	22394	59%	**1	100%
Maxam CSB 4	<<locked>>	61%	23264	62%	**4	100%
Maxam CSB 5	<<locked>>	60%	25889	69%	**8	100%
[Ramshot Enforcer]*	<<locked>>	93%	28282	75%	**63	80%
Ramshot Silhouette	<<locked>>	61%	28572	76%	**58	100%
ReloadSwiss RS 12	<<locked>>	61%	25976	69%	**50	100%
ReloadSwiss RS 14	<<locked>>	73%	7614	20%	**6	100%
ReloadSwiss RS 20	<<locked>>	60%	17782	47%	**8	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	16404	44%	**4	81%
Rottweil P 801	<<locked>>	60%	29225	78%	**56	100%
[Rottweil P 806]*	<<locked>>	61%	11748	31%	**5	88%
SNPE Vectan A0	<<locked>>	61%	18666	49%	**8	100%
SNPE Vectan BA 9	<<locked>>	61%	22669	60%	**10	100%
SNPE Vectan BA10	<<locked>>	61%	28297	75%	**5	100%
SNPE Vectan BA7 1/2	<<locked>>	62%	15867	42%	**5	94%
SNPE Vectan BA9 1/2	<<locked>>	60%	21756	58%	**04	100%
[Shooters World Heavy Pistol]*	<<locked>>	77%	25976	69%	**94	80%
[Shooters World Major Pistol]*	<<locked>>	62%	19261	51%	**73	81%
Somchem MP200	<<locked>>	61%	23395	62%	**73	100%
Somchem MS200	<<locked>>	62%	21596	57%	**24	100%
Somchem S221	<<locked>>	61%	25005	66%	**55	92%
Vihtavuori 3N37	<<locked>>	61%	17506	46%	**7	96%
[Vihtavuori 3N38]*	<<locked>>	69%	15476	41%	**1	81%
[Vihtavuori N105]*	<<locked>>	72%	12691	34%	**5	80%
Vihtavuori N320	<<locked>>	61%	24091	64%	**01	100%
Vihtavuori N32C Tin Star	<<locked>>	63%	14025	37%	**4	100%
Vihtavuori N330	<<locked>>	62%	22858	61%	**33	100%
Vihtavuori N340	<<locked>>	61%	20015	53%	**01	100%
Vihtavuori N350	<<locked>>	60%	15650	42%	**1	95%

Start Load - Barrel Length: 5.50''

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