Load data for .300 RCM + .308 | 85gr | Sierra FMJ RN SportsMaster

Recommended Powder(s): ADI AR 2219, Accurate 2015, Alliant Reloder-10x, Hodgdon H4198, SNPE Vectan SP 10

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 85gr \| Sierra FMJ RN SportsMaster
Manufacturer SKU:	8005
Bullet Weight:	85gr \| 5.5g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	0.535" \| 13.6mm
Caliber:	.300 RCM load data
Case Length (l3):	2.090" \| 53.1mm
Cartridge Length (C.O.L.):	2.503" \| 63.6mm
Seated Depth:	0.122" \| 3.1mm
Shank Seated Depth:	0.122" \| 3.1mm
Case Capacity:	75.0 Grains of Water \| 4.87 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	63817 psi \| 4400 bar
LID:	LID_B5858_C371
Last updated:	2025-01-01

Load data for 128 loads in caliber .300 RCM with .308 | 85gr | Sierra FMJ RN SportsMaster bullet and 64 powders such as ADI AR 2219, Accurate 2015, Alliant Reloder-10x, Hodgdon H4198, SNPE Vectan SP 10. 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".

Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
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>>	97%	49023	77%	**58	93%
ADI AR 2207	<<locked>>	89%	56536	89%	**50	100%
ADI AR 2219 👍	<<locked>>	92%	56811	89%	**32	100%
Accurate 2015 👍	<<locked>>	97%	55129	86%	**43	100%
[Accurate 2200]*	<<locked>>	97%	54186	85%	**01	93%
Accurate 2230	<<locked>>	94%	56927	89%	**47	96%
Accurate 2460	<<locked>>	95%	56739	89%	**66	98%
Accurate 2495	<<locked>>	97%	46630	73%	**61	99%
Accurate 2520	<<locked>>	97%	50633	79%	**07	97%
Accurate 4064	<<locked>>	97%	38276	60%	**45	95%
Alliant AR-Comp	<<locked>>	97%	49240	77%	**27	100%
Alliant Reloder-10x 👍	<<locked>>	95%	57421	90%	**12	100%
Alliant Reloder-7	<<locked>>	89%	56579	89%	**37	100%
Baschieri & Pellagri 106	<<locked>>	92%	57087	89%	**81	100%
[Baschieri & Pellagri 107]*	<<locked>>	97%	49821	78%	**55	92%
Hodgdon BL-C2	<<locked>>	97%	51488	81%	**20	96%
Hodgdon Benchmark	<<locked>>	97%	55535	87%	**24	97%
Hodgdon CFE BLK	<<locked>>	89%	57334	90%	**04	97%
Hodgdon H322	<<locked>>	97%	54853	86%	**96	99%
Hodgdon H335	<<locked>>	92%	57188	90%	**22	99%
Hodgdon H4198 👍	<<locked>>	91%	57246	90%	**37	99%
Hodgdon TrailBoss	<<locked>>	96%	30371	48%	**46	100%
IMR 3031	<<locked>>	97%	41974	66%	**73	98%
IMR 4198	<<locked>>	94%	56927	89%	**63	100%
IMR 4227	<<locked>>	85%	56739	89%	**98	100%
[IMR 4895]*	<<locked>>	97%	44063	69%	**83	92%
IMR 8208 XBR	<<locked>>	97%	52344	82%	**01	96%
Lovex D073.4	<<locked>>	93%	57072	89%	**70	98%
Lovex D073.5	<<locked>>	95%	56739	89%	**66	98%
Lovex D073.6	<<locked>>	97%	46862	73%	**25	97%
Lovex S053	<<locked>>	86%	57363	90%	**61	100%
[Lovex S060]*	<<locked>>	97%	50386	79%	**96	94%
[Lovex S062]*	<<locked>>	97%	41785	65%	**78	93%
Norma 200	<<locked>>	91%	57319	90%	**86	100%
Norma 201	<<locked>>	97%	47688	75%	**96	95%
Norma 202	<<locked>>	97%	47877	75%	**32	98%
[Ramshot Wild Boar]*	<<locked>>	97%	52591	82%	**14	94%
Ramshot X-Terminator	<<locked>>	96%	56666	89%	**40	95%
ReloadSwiss RS 14	<<locked>>	96%	29907	47%	**92	100%
ReloadSwiss RS 36	<<locked>>	84%	56579	89%	**27	100%
ReloadSwiss RS 40	<<locked>>	95%	56753	89%	**86	98%
[ReloadSwiss RS 52]*	<<locked>>	97%	40553	64%	**14	93%
Rottweil R 901	<<locked>>	97%	51271	80%	**81	98%
[Rottweil R 902]*	<<locked>>	97%	44324	69%	**20	94%
SNPE Vectan BA6 1/2	<<locked>>	90%	56695	89%	**68	100%
SNPE Vectan SP 10 👍	<<locked>>	91%	56913	89%	**12	99%
[SNPE Vectan SP 9]*	<<locked>>	97%	47471	74%	**96	93%
SNPE Vectan Tubal 3000	<<locked>>	97%	50604	79%	**99	98%
SNPE Vectan Tubal 5000	<<locked>>	97%	40611	64%	**76	97%
Shooters World Match Rifle	<<locked>>	97%	46862	73%	**25	97%
[Shooters World Precision]*	<<locked>>	97%	41785	65%	**78	93%
Shooters World Tactical Rifle	<<locked>>	92%	56507	89%	**27	96%
Somchem S321	<<locked>>	96%	56724	89%	**96	97%
Somchem S335	<<locked>>	97%	49661	78%	**83	99%
[Somchem S341]*	<<locked>>	97%	50763	80%	**48	94%
Vihtavuori N120	<<locked>>	92%	56855	89%	**84	100%
Vihtavuori N130	<<locked>>	97%	56028	88%	**04	100%
Vihtavuori N133	<<locked>>	97%	45832	72%	**17	99%
Vihtavuori N135	<<locked>>	97%	34592	54%	**17	96%
Vihtavuori N140	<<locked>>	97%	44701	70%	**33	97%
Vihtavuori N530	<<locked>>	97%	55883	88%	**89	97%
Vihtavuori N540	<<locked>>	97%	43932	69%	**33	96%
Winchester 748	<<locked>>	97%	57101	89%	**48	98%
Winchester StaBALL Match	<<locked>>	94%	57159	90%	**12	96%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	91%	40582	64%	**48	90%
ADI AR 2207	<<locked>>	81%	42830	67%	**94	100%
ADI AR 2219	<<locked>>	81%	38348	60%	**25	96%
Accurate 2015	<<locked>>	81%	31966	50%	**02	96%
[Accurate 2200]*	<<locked>>	92%	46238	72%	**20	90%
[Accurate 2230]*	<<locked>>	84%	37536	59%	**20	90%
[Accurate 2460]*	<<locked>>	81%	33489	52%	**35	91%
[Accurate 2495]*	<<locked>>	81%	25324	40%	**51	92%
[Accurate 2520]*	<<locked>>	84%	30879	48%	**99	90%
[Accurate 4064]*	<<locked>>	89%	27905	44%	**23	90%
Alliant AR-Comp	<<locked>>	81%	28079	44%	**63	97%
Alliant Reloder-10x	<<locked>>	81%	35650	56%	**43	98%
Alliant Reloder-7	<<locked>>	81%	43976	69%	**94	100%
Baschieri & Pellagri 106	<<locked>>	81%	39465	62%	**17	97%
[Baschieri & Pellagri 107]*	<<locked>>	94%	44643	70%	**33	90%
[Hodgdon BL-C2]*	<<locked>>	87%	36013	56%	**56	90%
[Hodgdon Benchmark]*	<<locked>>	82%	33895	53%	**99	90%
[Hodgdon CFE BLK]*	<<locked>>	81%	43468	68%	**15	93%
[Hodgdon H322]*	<<locked>>	81%	31836	50%	**25	93%
[Hodgdon H335]*	<<locked>>	81%	37768	59%	**92	94%
Hodgdon H4198	<<locked>>	81%	41800	66%	**06	96%
Hodgdon TrailBoss	<<locked>>	81%	23859	37%	**59	100%
[IMR 3031]*	<<locked>>	83%	26194	41%	**74	90%
IMR 4198	<<locked>>	81%	37463	59%	**50	99%
IMR 4227	<<locked>>	81%	50749	80%	**93	100%
[IMR 4895]*	<<locked>>	94%	39885	62%	**74	90%
[IMR 8208 XBR]*	<<locked>>	86%	35882	56%	**07	90%
[Lovex D073.4]*	<<locked>>	81%	35215	55%	**78	91%
[Lovex D073.5]*	<<locked>>	81%	33025	52%	**15	90%
[Lovex D073.6]*	<<locked>>	86%	31270	49%	**09	90%
Lovex S053	<<locked>>	81%	49023	77%	**30	100%
[Lovex S060]*	<<locked>>	89%	40089	63%	**53	90%
[Lovex S062]*	<<locked>>	92%	35491	56%	**01	90%
Norma 200	<<locked>>	81%	40234	63%	**45	99%
[Norma 201]*	<<locked>>	89%	35694	56%	**91	90%
[Norma 202]*	<<locked>>	83%	29283	46%	**33	90%
[Ramshot Wild Boar]*	<<locked>>	90%	40306	63%	**45	90%
[Ramshot X-Terminator]*	<<locked>>	86%	40567	64%	**86	90%
ReloadSwiss RS 14	<<locked>>	81%	23540	37%	**08	100%
ReloadSwiss RS 36	<<locked>>	81%	50720	79%	**22	100%
[ReloadSwiss RS 40]*	<<locked>>	81%	34795	55%	**81	92%
[ReloadSwiss RS 52]*	<<locked>>	93%	35128	55%	**56	90%
[Rottweil R 901]*	<<locked>>	81%	30240	47%	**27	90%
[Rottweil R 902]*	<<locked>>	90%	35418	55%	**81	90%
SNPE Vectan BA6 1/2	<<locked>>	81%	44904	70%	**71	100%
SNPE Vectan SP 10	<<locked>>	81%	39059	61%	**25	95%
[SNPE Vectan SP 9]*	<<locked>>	92%	40611	64%	**35	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	29878	47%	**58	91%
[SNPE Vectan Tubal 5000]*	<<locked>>	84%	26469	41%	**53	90%
[Shooters World Match Rifle]*	<<locked>>	86%	31270	49%	**09	90%
[Shooters World Precision]*	<<locked>>	92%	35491	56%	**01	90%
[Shooters World Tactical Rifle]*	<<locked>>	81%	37188	58%	**91	90%
[Somchem S321]*	<<locked>>	83%	34751	54%	**81	90%
[Somchem S335]*	<<locked>>	81%	28964	45%	**45	91%
[Somchem S341]*	<<locked>>	91%	40712	64%	**15	90%
Vihtavuori N120	<<locked>>	81%	39871	62%	**69	100%
Vihtavuori N130	<<locked>>	81%	33460	52%	**09	97%
[Vihtavuori N133]*	<<locked>>	81%	27572	43%	**18	93%
[Vihtavuori N135]*	<<locked>>	87%	24569	39%	**69	90%
[Vihtavuori N140]*	<<locked>>	84%	28326	44%	**71	90%
[Vihtavuori N530]*	<<locked>>	84%	35360	55%	**01	90%
[Vihtavuori N540]*	<<locked>>	85%	29414	46%	**20	90%
[Winchester 748]*	<<locked>>	83%	33721	53%	**94	90%
[Winchester StaBALL Match]*	<<locked>>	84%	38363	60%	**92	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.