Load data for .300 RCM + .308 | 138gr | Hasler ARIETE

Recommended Powder(s): ADI AR 2206H, Accurate 2520, Hodgdon BL-C2, Ramshot Wild Boar, ReloadSwiss RS 52

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 138gr \| Hasler ARIETE
Manufacturer SKU:	A30-138
Bullet Weight:	138gr \| 8.9g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	1.200" \| 30.5mm
Caliber:	.300 RCM load data
Case Length (l3):	2.090" \| 53.1mm
Cartridge Length (C.O.L.):	2.797" \| 71.1mm
Seated Depth:	0.493" \| 12.5mm
Shank Seated Depth:	0.273" \| 6.9mm
Case Capacity:	75.0 Grains of Water \| 4.87 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	63817 psi \| 4400 bar
LID:	LID_B7069_C371
Last updated:	2025-01-01
Recommended Twist Rate:	1:12 - 1:10

Load data for 194 loads in caliber .300 RCM with .308 | 138gr | Hasler ARIETE bullet and 97 powders such as ADI AR 2206H, Accurate 2520, Hodgdon BL-C2, Ramshot Wild Boar, ReloadSwiss RS 52. 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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Safety Buffer (%)
.
Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

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.

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%	57421	90%	**43	99%
ADI AR 2208	<<locked>>	97%	53534	84%	**54	98%
ADI AR 2219	<<locked>>	84%	56826	89%	**00	100%
Accurate 2015	<<locked>>	89%	56347	88%	**31	100%
Accurate 2200	<<locked>>	91%	56666	89%	**91	98%
Accurate 2230	<<locked>>	87%	57363	90%	**94	100%
Accurate 2460	<<locked>>	87%	56971	89%	**97	100%
Accurate 2495	<<locked>>	93%	56927	89%	**14	100%
Accurate 2520 👍	<<locked>>	92%	57246	90%	**30	100%
[Accurate 2700]*	<<locked>>	97%	52315	82%	**56	94%
Accurate 4064	<<locked>>	96%	52127	82%	**61	100%
[Accurate 4350]*	<<locked>>	97%	38928	61%	**67	94%
Alliant AR-Comp	<<locked>>	92%	57348	90%	**97	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	52895	83%	**81	99%
Alliant Reloder-10x	<<locked>>	87%	56652	89%	**51	100%
Alliant Reloder-15	<<locked>>	97%	56782	89%	**59	99%
[Alliant Reloder-16]*	<<locked>>	97%	40190	63%	**84	94%
Alliant Reloder-17	<<locked>>	97%	46804	73%	**71	98%
Baschieri & Pellagri 106	<<locked>>	85%	56913	89%	**86	100%
Baschieri & Pellagri 107	<<locked>>	93%	56840	89%	**46	99%
Hodgdon BL-C2 👍	<<locked>>	92%	57072	89%	**59	100%
Hodgdon Benchmark	<<locked>>	90%	56507	89%	**51	100%
Hodgdon CFE223	<<locked>>	97%	57087	89%	**92	99%
Hodgdon H322	<<locked>>	90%	57305	90%	**04	100%
Hodgdon H335	<<locked>>	85%	56724	89%	**10	100%
Hodgdon H380	<<locked>>	97%	54607	86%	**00	98%
[Hodgdon H414]*	<<locked>>	97%	47892	75%	**35	94%
Hodgdon H4198	<<locked>>	84%	57101	89%	**09	100%
Hodgdon Hybrid 100V	<<locked>>	97%	36564	57%	**69	95%
Hodgdon LVR	<<locked>>	97%	44164	69%	**49	95%
Hodgdon VARGET	<<locked>>	97%	53113	83%	**51	98%
Hodgdon TrailBoss	<<locked>>	96%	32329	51%	**50	100%
IMR 3031	<<locked>>	97%	56768	89%	**46	100%
IMR 4064	<<locked>>	97%	52243	82%	**31	98%
IMR 4166 Enduron	<<locked>>	97%	52069	82%	**82	95%
IMR 4198	<<locked>>	87%	57058	89%	**05	100%
[IMR 4451 Enduron]*	<<locked>>	97%	49792	78%	**79	94%
[IMR 4831]*	<<locked>>	97%	33504	53%	**13	92%
IMR 4895	<<locked>>	96%	56376	88%	**63	99%
IMR 8208 XBR	<<locked>>	92%	56724	89%	**00	100%
Lovex D073.4	<<locked>>	86%	56797	89%	**81	100%
Lovex D073.5	<<locked>>	88%	56478	88%	**81	100%
Lovex D073.6	<<locked>>	94%	56739	89%	**23	100%
Lovex S060	<<locked>>	93%	57377	90%	**68	99%
Lovex S062	<<locked>>	97%	55042	86%	**87	100%
[Lovex S065]*	<<locked>>	96%	44614	70%	**94	94%
[Lovex S070]*	<<locked>>	97%	42641	67%	**67	92%
Norma 200	<<locked>>	84%	57276	90%	**35	100%
Norma 201	<<locked>>	94%	57101	89%	**07	100%
Norma 202	<<locked>>	94%	56927	89%	**07	100%
Norma 203B	<<locked>>	97%	55883	88%	**36	99%
Norma URP	<<locked>>	97%	40350	63%	**90	95%
Ramshot Big Game	<<locked>>	97%	56971	89%	**76	99%
Ramshot TAC	<<locked>>	91%	57203	90%	**04	97%
Ramshot Wild Boar 👍	<<locked>>	92%	57377	90%	**50	99%
Ramshot X-Terminator	<<locked>>	89%	56811	89%	**84	99%
ReloadSwiss RS 14	<<locked>>	96%	32271	51%	**83	100%
ReloadSwiss RS 40	<<locked>>	88%	57101	89%	**00	100%
ReloadSwiss RS 50	<<locked>>	97%	54984	86%	**77	96%
ReloadSwiss RS 52 👍	<<locked>>	97%	55027	86%	**63	100%
ReloadSwiss RS 60	<<locked>>	97%	45411	71%	**54	99%
[ReloadSwiss RS 62]*	<<locked>>	97%	39595	62%	**94	94%
[ReloadSwiss RS 70]*	<<locked>>	97%	40872	64%	**07	93%
Rottweil R 901	<<locked>>	92%	56985	89%	**87	100%
Rottweil R 902	<<locked>>	96%	57130	90%	**00	100%
Rottweil R 903	<<locked>>	97%	49037	77%	**18	99%
[Rottweil R 907]*	<<locked>>	97%	47543	75%	**27	93%
SNPE Vectan SP 10	<<locked>>	84%	57116	90%	**10	100%
SNPE Vectan SP 11	<<locked>>	97%	50865	80%	**87	99%
SNPE Vectan SP 7	<<locked>>	92%	56652	89%	**00	98%
SNPE Vectan SP 9	<<locked>>	94%	57014	89%	**30	99%
SNPE Vectan Tubal 3000	<<locked>>	93%	57000	89%	**22	100%
SNPE Vectan Tubal 5000	<<locked>>	97%	52765	83%	**53	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	97%	44773	70%	**41	93%
[Shooters World Long Rifle]*	<<locked>>	96%	44614	70%	**94	94%
Shooters World Match Rifle	<<locked>>	94%	56739	89%	**23	100%
Shooters World Precision	<<locked>>	97%	55042	86%	**87	100%
Shooters World Tactical Rifle	<<locked>>	86%	56985	89%	**64	100%
Somchem S321	<<locked>>	89%	56898	89%	**20	100%
Somchem S335	<<locked>>	93%	56652	89%	**25	100%
Somchem S341	<<locked>>	93%	57188	90%	**10	99%
Somchem S355	<<locked>>	96%	49269	77%	**09	99%
Somchem S365	<<locked>>	97%	35273	55%	**05	97%
Vihtavuori N120	<<locked>>	84%	56623	89%	**27	100%
Vihtavuori N130	<<locked>>	90%	56782	89%	**92	100%
Vihtavuori N133	<<locked>>	95%	56855	89%	**15	100%
Vihtavuori N135	<<locked>>	97%	46978	74%	**30	100%
Vihtavuori N140	<<locked>>	96%	56840	89%	**77	100%
Vihtavuori N150	<<locked>>	97%	41452	65%	**35	98%
Vihtavuori N160	<<locked>>	97%	44831	70%	**30	96%
Vihtavuori N530	<<locked>>	90%	56608	89%	**10	100%
Vihtavuori N540	<<locked>>	96%	56826	89%	**10	100%
Vihtavuori N550	<<locked>>	97%	44759	70%	**79	96%
Winchester 6.5 StaBALL	<<locked>>	97%	43859	69%	**81	98%
Winchester 748	<<locked>>	89%	57334	90%	**56	100%
[Winchester 760]*	<<locked>>	97%	47892	75%	**35	94%
Winchester StaBALL Match	<<locked>>	87%	57188	90%	**43	100%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	37768	59%	**72	95%
[ADI AR 2208]*	<<locked>>	81%	32242	51%	**08	92%
ADI AR 2219	<<locked>>	81%	50372	79%	**99	100%
Accurate 2015	<<locked>>	81%	42786	67%	**18	100%
[Accurate 2200]*	<<locked>>	81%	40176	63%	**85	94%
Accurate 2230	<<locked>>	81%	45063	71%	**81	98%
Accurate 2460	<<locked>>	81%	44860	70%	**90	99%
Accurate 2495	<<locked>>	81%	36608	57%	**69	100%
Accurate 2520	<<locked>>	81%	38043	60%	**89	98%
[Accurate 2700]*	<<locked>>	90%	42003	66%	**66	90%
Accurate 4064	<<locked>>	81%	30545	48%	**15	97%
[Accurate 4350]*	<<locked>>	90%	30298	47%	**48	90%
Alliant AR-Comp	<<locked>>	81%	38943	61%	**05	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	30850	48%	**15	94%
Alliant Reloder-10x	<<locked>>	81%	46804	73%	**97	100%
[Alliant Reloder-15]*	<<locked>>	81%	33518	53%	**77	93%
[Alliant Reloder-16]*	<<locked>>	90%	32416	51%	**80	90%
[Alliant Reloder-17]*	<<locked>>	83%	28239	44%	**82	90%
Baschieri & Pellagri 106	<<locked>>	81%	49400	77%	**74	100%
[Baschieri & Pellagri 107]*	<<locked>>	81%	36840	58%	**59	94%
Hodgdon BL-C2	<<locked>>	81%	38348	60%	**18	97%
Hodgdon Benchmark	<<locked>>	81%	42235	66%	**02	98%
[Hodgdon CFE223]*	<<locked>>	81%	32097	50%	**64	91%
Hodgdon H322	<<locked>>	81%	42627	67%	**61	100%
Hodgdon H335	<<locked>>	81%	49705	78%	**95	100%
[Hodgdon H380]*	<<locked>>	81%	31792	50%	**21	90%
[Hodgdon H414]*	<<locked>>	91%	39044	61%	**41	90%
Hodgdon H4198	<<locked>>	81%	52475	82%	**46	100%
[Hodgdon Hybrid 100V]*	<<locked>>	88%	27180	43%	**03	90%
[Hodgdon LVR]*	<<locked>>	88%	32938	52%	**84	90%
[Hodgdon VARGET]*	<<locked>>	81%	31952	50%	**02	92%
Hodgdon TrailBoss	<<locked>>	81%	25643	40%	**96	100%
IMR 3031	<<locked>>	81%	33547	53%	**20	99%
[IMR 4064]*	<<locked>>	81%	31111	49%	**75	92%
[IMR 4166 Enduron]*	<<locked>>	87%	38725	61%	**17	90%
IMR 4198	<<locked>>	81%	47921	75%	**74	100%
[IMR 4451 Enduron]*	<<locked>>	89%	38827	61%	**53	90%
[IMR 4831]*	<<locked>>	94%	30168	47%	**15	90%
[IMR 4895]*	<<locked>>	81%	34330	54%	**20	94%
IMR 8208 XBR	<<locked>>	81%	40045	63%	**92	97%
Lovex D073.4	<<locked>>	81%	46949	74%	**17	99%
Lovex D073.5	<<locked>>	81%	44425	70%	**84	99%
Lovex D073.6	<<locked>>	81%	35810	56%	**36	98%
Lovex S060	<<locked>>	81%	38653	61%	**17	96%
Lovex S062	<<locked>>	81%	32909	52%	**35	95%
[Lovex S065]*	<<locked>>	88%	33982	53%	**51	90%
[Lovex S070]*	<<locked>>	93%	37869	59%	**59	90%
Norma 200	<<locked>>	81%	52605	82%	**69	100%
Norma 201	<<locked>>	81%	36564	57%	**20	97%
Norma 202	<<locked>>	81%	36985	58%	**43	99%
[Norma 203B]*	<<locked>>	81%	32822	51%	**71	93%
[Norma URP]*	<<locked>>	89%	31067	49%	**41	90%
[Ramshot Big Game]*	<<locked>>	81%	32692	51%	**74	93%
[Ramshot TAC]*	<<locked>>	81%	40030	63%	**79	93%
Ramshot Wild Boar	<<locked>>	81%	39102	61%	**02	96%
Ramshot X-Terminator	<<locked>>	81%	43758	69%	**48	97%
ReloadSwiss RS 14	<<locked>>	81%	25628	40%	**32	100%
ReloadSwiss RS 40	<<locked>>	81%	45107	71%	**97	99%
[ReloadSwiss RS 50]*	<<locked>>	84%	36245	57%	**00	90%
ReloadSwiss RS 52	<<locked>>	81%	31198	49%	**64	95%
[ReloadSwiss RS 60]*	<<locked>>	83%	27485	43%	**46	90%
[ReloadSwiss RS 62]*	<<locked>>	91%	32184	50%	**03	90%
[ReloadSwiss RS 70]*	<<locked>>	93%	35723	56%	**69	90%
Rottweil R 901	<<locked>>	81%	39987	63%	**82	99%
Rottweil R 902	<<locked>>	81%	34882	55%	**74	96%
[Rottweil R 903]*	<<locked>>	81%	28021	44%	**36	92%
[Rottweil R 907]*	<<locked>>	92%	40799	64%	**92	90%
SNPE Vectan SP 10	<<locked>>	81%	50937	80%	**12	100%
[SNPE Vectan SP 11]*	<<locked>>	81%	29573	46%	**85	91%
[SNPE Vectan SP 7]*	<<locked>>	81%	37492	59%	**40	93%
SNPE Vectan SP 9	<<locked>>	81%	36303	57%	**26	95%
SNPE Vectan Tubal 3000	<<locked>>	81%	38885	61%	**07	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	31662	50%	**49	98%
[SNPE Vectan Tubal 7000]*	<<locked>>	92%	37985	60%	**10	90%
[Shooters World Long Rifle]*	<<locked>>	88%	33982	53%	**51	90%
Shooters World Match Rifle	<<locked>>	81%	35810	56%	**36	98%
Shooters World Precision	<<locked>>	81%	32909	52%	**35	95%
Shooters World Tactical Rifle	<<locked>>	81%	48138	75%	**23	99%
Somchem S321	<<locked>>	81%	42772	67%	**71	98%
Somchem S335	<<locked>>	81%	38029	60%	**03	99%
Somchem S341	<<locked>>	81%	37550	59%	**46	95%
[Somchem S355]*	<<locked>>	81%	29167	46%	**56	92%
[Somchem S365]*	<<locked>>	87%	25382	40%	**90	90%
Vihtavuori N120	<<locked>>	81%	51169	80%	**51	100%
Vihtavuori N130	<<locked>>	81%	43163	68%	**82	100%
Vihtavuori N133	<<locked>>	81%	36390	57%	**57	100%
Vihtavuori N135	<<locked>>	81%	28181	44%	**23	98%
Vihtavuori N140	<<locked>>	81%	34534	54%	**71	99%
[Vihtavuori N150]*	<<locked>>	81%	24598	39%	**95	91%
[Vihtavuori N160]*	<<locked>>	87%	31183	49%	**15	90%
Vihtavuori N530	<<locked>>	81%	42090	66%	**54	98%
Vihtavuori N540	<<locked>>	81%	34301	54%	**84	98%
[Vihtavuori N550]*	<<locked>>	87%	31589	49%	**67	90%
[Winchester 6.5 StaBALL]*	<<locked>>	83%	27296	43%	**57	90%
Winchester 748	<<locked>>	81%	41974	66%	**94	99%
[Winchester 760]*	<<locked>>	91%	39044	61%	**41	90%
Winchester StaBALL Match	<<locked>>	81%	45063	71%	**40	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.