Load data for .300 Weath. Mag. + .309 | 71gr | H&N RN HS

Recommended Powder(s): Accurate 2015, Accurate 2495, Hodgdon H322, ReloadSwiss RS 40, Winchester 748

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.309 \| 71gr \| H&N RN HS
Bullet Weight:	71gr \| 4.6g
Bullet Diameter:	0.309" \| 7.85mm
Bullet Length:	0.469" \| 11.9mm
Caliber:	.300 Weath. Mag. load data
Case Length (l3):	2.824" \| 71.7mm
Cartridge Length (C.O.L.):	3.151" \| 80.0mm
Seated Depth:	0.142" \| 3.6mm
Shank Seated Depth:	0.122" \| 3.1mm
Case Capacity:	98.9 Grains of Water \| 6.42 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	63817 psi \| 4400 bar
LID:	LID_B7413_C379
Last updated:	2025-01-01

Load data for 156 loads in caliber .300 Weath. Mag. with .309 | 71gr | H&N RN HS bullet and 78 powders such as Accurate 2015, Accurate 2495, Hodgdon H322, ReloadSwiss RS 40, 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>>	96%	57392	90%	**34	96%
ADI AR 2207	<<locked>>	85%	56956	89%	**91	100%
[ADI AR 2208]*	<<locked>>	97%	49705	78%	**37	94%
ADI AR 2219	<<locked>>	87%	57043	89%	**54	100%
Accurate 2015 👍	<<locked>>	93%	56942	89%	**91	100%
Accurate 2200	<<locked>>	93%	56768	89%	**85	95%
Accurate 2230	<<locked>>	89%	56942	89%	**75	97%
Accurate 2460	<<locked>>	90%	56768	89%	**88	99%
Accurate 2495 👍	<<locked>>	97%	57276	90%	**60	100%
Accurate 2520	<<locked>>	94%	57232	90%	**24	99%
Accurate 4064	<<locked>>	97%	47297	74%	**30	98%
Alliant AR-Comp	<<locked>>	95%	56898	89%	**44	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	48327	76%	**50	95%
Alliant Reloder-10x	<<locked>>	90%	57392	90%	**27	100%
Alliant Reloder-15	<<locked>>	97%	52924	83%	**58	95%
[Alliant Reloder-17]*	<<locked>>	97%	43134	68%	**65	92%
Alliant Reloder-7	<<locked>>	85%	57188	90%	**78	100%
Baschieri & Pellagri 106	<<locked>>	87%	57072	89%	**96	100%
Baschieri & Pellagri 107	<<locked>>	95%	57348	90%	**27	95%
Hodgdon BL-C2	<<locked>>	93%	56797	89%	**27	98%
Hodgdon Benchmark	<<locked>>	93%	57392	90%	**85	98%
Hodgdon CFE BLK	<<locked>>	85%	57363	90%	**49	98%
[Hodgdon CFE223]*	<<locked>>	97%	53621	84%	**72	94%
Hodgdon H322 👍	<<locked>>	93%	57421	90%	**47	100%
Hodgdon H335	<<locked>>	87%	56782	89%	**14	99%
[Hodgdon H380]*	<<locked>>	97%	50459	79%	**63	92%
Hodgdon H4198	<<locked>>	87%	57377	90%	**85	100%
[Hodgdon VARGET]*	<<locked>>	97%	49023	77%	**24	94%
Hodgdon TrailBoss	<<locked>>	96%	30734	48%	**94	100%
IMR 3031	<<locked>>	97%	52199	82%	**91	100%
[IMR 4064]*	<<locked>>	97%	47500	74%	**78	93%
IMR 4198	<<locked>>	89%	56942	89%	**98	100%
IMR 4895	<<locked>>	97%	54244	85%	**14	96%
IMR 8208 XBR	<<locked>>	94%	57276	90%	**04	98%
Lovex D073.4	<<locked>>	88%	56840	89%	**85	98%
Lovex D073.5	<<locked>>	90%	56768	89%	**88	99%
Lovex D073.6	<<locked>>	96%	57000	89%	**11	99%
Lovex S060	<<locked>>	95%	56913	89%	**49	96%
Lovex S062	<<locked>>	97%	50763	80%	**67	96%
Norma 200	<<locked>>	87%	57087	89%	**01	100%
Norma 201	<<locked>>	97%	57116	89%	**08	98%
Norma 202	<<locked>>	97%	57435	90%	**37	99%
Norma 203B	<<locked>>	97%	51880	81%	**22	95%
Ramshot Big Game	<<locked>>	97%	53098	83%	**58	95%
[Ramshot TAC]*	<<locked>>	93%	56782	89%	**65	94%
Ramshot Wild Boar	<<locked>>	94%	56971	89%	**14	96%
Ramshot X-Terminator	<<locked>>	91%	56913	89%	**72	96%
ReloadSwiss RS 14	<<locked>>	96%	30342	48%	**46	100%
ReloadSwiss RS 40 👍	<<locked>>	90%	56985	89%	**08	99%
ReloadSwiss RS 52	<<locked>>	97%	51314	80%	**58	97%
[ReloadSwiss RS 60]*	<<locked>>	97%	41916	66%	**29	93%
Rottweil R 901	<<locked>>	95%	57145	90%	**24	99%
Rottweil R 902	<<locked>>	97%	53461	84%	**29	97%
[Rottweil R 903]*	<<locked>>	97%	43801	69%	**16	94%
SNPE Vectan BA6 1/2	<<locked>>	86%	57232	90%	**16	100%
SNPE Vectan SP 10	<<locked>>	86%	56913	89%	**17	99%
[SNPE Vectan SP 11]*	<<locked>>	97%	47485	74%	**30	94%
[SNPE Vectan SP 7]*	<<locked>>	95%	57421	90%	**81	94%
SNPE Vectan SP 9	<<locked>>	96%	57145	90%	**17	97%
SNPE Vectan Tubal 3000	<<locked>>	95%	57130	90%	**52	99%
SNPE Vectan Tubal 5000	<<locked>>	97%	48878	77%	**58	99%
Shooters World Match Rifle	<<locked>>	96%	57000	89%	**11	99%
Shooters World Precision	<<locked>>	97%	50763	80%	**67	96%
Shooters World Tactical Rifle	<<locked>>	88%	57116	89%	**58	97%
Somchem S321	<<locked>>	91%	57130	90%	**11	98%
Somchem S335	<<locked>>	96%	56666	89%	**32	100%
Somchem S341	<<locked>>	95%	57246	90%	**78	96%
[Somchem S355]*	<<locked>>	97%	45469	71%	**52	94%
Vihtavuori N120	<<locked>>	88%	57101	89%	**22	100%
Vihtavuori N130	<<locked>>	93%	57072	89%	**58	100%
Vihtavuori N133	<<locked>>	97%	54998	86%	**06	100%
Vihtavuori N135	<<locked>>	97%	42163	66%	**89	99%
Vihtavuori N140	<<locked>>	97%	54085	85%	**32	99%
[Vihtavuori N150]*	<<locked>>	97%	37594	59%	**15	93%
Vihtavuori N530	<<locked>>	92%	56942	89%	**27	98%
Vihtavuori N540	<<locked>>	97%	53940	85%	**32	99%
Winchester 748 👍	<<locked>>	91%	57174	90%	**57	99%
Winchester StaBALL Match	<<locked>>	89%	57043	89%	**14	97%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	85%	38841	61%	**81	90%
ADI AR 2207	<<locked>>	81%	49429	77%	**47	100%
[ADI AR 2208]*	<<locked>>	91%	40669	64%	**94	90%
ADI AR 2219	<<locked>>	81%	45759	72%	**11	98%
Accurate 2015	<<locked>>	81%	37434	59%	**52	98%
[Accurate 2200]*	<<locked>>	86%	43569	68%	**66	90%
[Accurate 2230]*	<<locked>>	81%	40538	64%	**94	92%
[Accurate 2460]*	<<locked>>	81%	39929	63%	**94	94%
[Accurate 2495]*	<<locked>>	81%	30284	47%	**55	94%
[Accurate 2520]*	<<locked>>	81%	33402	52%	**20	92%
[Accurate 4064]*	<<locked>>	84%	28224	44%	**53	90%
Alliant AR-Comp	<<locked>>	81%	33431	52%	**15	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	89%	35737	56%	**99	90%
Alliant Reloder-10x	<<locked>>	81%	41437	65%	**89	99%
[Alliant Reloder-15]*	<<locked>>	90%	40495	63%	**37	90%
[Alliant Reloder-17]*	<<locked>>	94%	38943	61%	**27	90%
Alliant Reloder-7	<<locked>>	81%	50531	79%	**60	100%
Baschieri & Pellagri 106	<<locked>>	81%	45759	72%	**70	99%
[Baschieri & Pellagri 107]*	<<locked>>	87%	42076	66%	**70	90%
[Hodgdon BL-C2]*	<<locked>>	81%	34635	54%	**73	90%
[Hodgdon Benchmark]*	<<locked>>	81%	37869	59%	**06	93%
Hodgdon CFE BLK	<<locked>>	81%	50212	79%	**04	96%
[Hodgdon CFE223]*	<<locked>>	91%	42148	66%	**89	90%
Hodgdon H322	<<locked>>	81%	37753	59%	**91	96%
Hodgdon H335	<<locked>>	81%	45295	71%	**71	97%
[Hodgdon H380]*	<<locked>>	94%	44266	69%	**09	90%
Hodgdon H4198	<<locked>>	81%	47688	75%	**91	98%
[Hodgdon VARGET]*	<<locked>>	91%	40669	64%	**94	90%
Hodgdon TrailBoss	<<locked>>	81%	23873	37%	**80	100%
[IMR 3031]*	<<locked>>	81%	28601	45%	**28	92%
[IMR 4064]*	<<locked>>	92%	39697	62%	**84	90%
IMR 4198	<<locked>>	81%	42975	67%	**19	100%
[IMR 4895]*	<<locked>>	88%	38348	60%	**04	90%
[IMR 8208 XBR]*	<<locked>>	81%	35549	56%	**66	90%
Lovex D073.4	<<locked>>	81%	42003	66%	**37	95%
[Lovex D073.5]*	<<locked>>	81%	39378	62%	**78	94%
[Lovex D073.6]*	<<locked>>	81%	30893	48%	**48	90%
[Lovex S060]*	<<locked>>	84%	37956	59%	**96	90%
[Lovex S062]*	<<locked>>	86%	34360	54%	**27	90%
Norma 200	<<locked>>	81%	46499	73%	**01	100%
[Norma 201]*	<<locked>>	83%	34925	55%	**40	90%
[Norma 202]*	<<locked>>	81%	32445	51%	**84	92%
[Norma 203B]*	<<locked>>	89%	38595	60%	**88	90%
[Ramshot Big Game]*	<<locked>>	89%	39204	61%	**98	90%
[Ramshot TAC]*	<<locked>>	87%	46267	73%	**16	90%
[Ramshot Wild Boar]*	<<locked>>	84%	38638	61%	**68	90%
[Ramshot X-Terminator]*	<<locked>>	81%	39595	62%	**38	90%
ReloadSwiss RS 14	<<locked>>	81%	23569	37%	**33	100%
ReloadSwiss RS 40	<<locked>>	81%	40524	64%	**27	95%
[ReloadSwiss RS 52]*	<<locked>>	86%	33924	53%	**83	90%
[ReloadSwiss RS 60]*	<<locked>>	94%	37869	59%	**84	90%
[Rottweil R 901]*	<<locked>>	81%	34534	54%	**43	93%
[Rottweil R 902]*	<<locked>>	85%	34867	55%	**27	90%
[Rottweil R 903]*	<<locked>>	92%	36172	57%	**09	90%
SNPE Vectan BA6 1/2	<<locked>>	81%	49603	78%	**88	100%
SNPE Vectan SP 10	<<locked>>	81%	46108	72%	**88	97%
[SNPE Vectan SP 11]*	<<locked>>	92%	39305	62%	**07	90%
[SNPE Vectan SP 7]*	<<locked>>	88%	44947	70%	**83	90%
[SNPE Vectan SP 9]*	<<locked>>	86%	38827	61%	**55	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	34258	54%	**88	93%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	27514	43%	**51	91%
[Shooters World Match Rifle]*	<<locked>>	81%	30893	48%	**48	90%
[Shooters World Precision]*	<<locked>>	86%	34360	54%	**27	90%
[Shooters World Tactical Rifle]*	<<locked>>	81%	43671	68%	**60	94%
[Somchem S321]*	<<locked>>	81%	38609	60%	**61	92%
[Somchem S335]*	<<locked>>	81%	33489	52%	**68	94%
[Somchem S341]*	<<locked>>	85%	38638	61%	**35	90%
[Somchem S355]*	<<locked>>	91%	36883	58%	**25	90%
Vihtavuori N120	<<locked>>	81%	45963	72%	**16	100%
Vihtavuori N130	<<locked>>	81%	38464	60%	**45	99%
Vihtavuori N133	<<locked>>	81%	31807	50%	**28	95%
[Vihtavuori N135]*	<<locked>>	82%	24613	39%	**96	90%
[Vihtavuori N140]*	<<locked>>	81%	29965	47%	**89	92%
[Vihtavuori N150]*	<<locked>>	93%	32866	51%	**65	90%
[Vihtavuori N530]*	<<locked>>	81%	37507	59%	**55	92%
[Vihtavuori N540]*	<<locked>>	81%	29834	47%	**76	91%
[Winchester 748]*	<<locked>>	81%	37695	59%	**78	93%
[Winchester StaBALL Match]*	<<locked>>	81%	40886	64%	**37	92%

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