Load data for .300 Rem. SA Ultra Mag + .308 | 135gr | Sierra SP SSPistol

Recommended Powder(s): Alliant Reloder- TS 15.5, Alliant Reloder-15, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 135gr \| Sierra SP SSPistol
Manufacturer SKU:	7350
Bullet Weight:	135gr \| 8.7g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	0.967" \| 24.6mm
Caliber:	.300 Rem. SA Ultra Mag load data
Case Length (l3):	2.003" \| 50.9mm
Cartridge Length (C.O.L.):	2.783" \| 70.7mm
Seated Depth:	0.187" \| 4.8mm
Shank Seated Depth:	0.187" \| 4.8mm
Case Capacity:	74.0 Grains of Water \| 4.80 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	64107 psi \| 4420 bar
LID:	LID_B5867_C373
Last updated:	2025-01-01

Load data for 192 loads in caliber .300 Rem. SA Ultra Mag with .308 | 135gr | Sierra SP SSPistol bullet and 96 powders such as Alliant Reloder- TS 15.5, Alliant Reloder-15, IMR 4895, Ramshot Big Game, 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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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.
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>>	90%	57145	89%	**86	99%
ADI AR 2208	<<locked>>	96%	57508	90%	**69	99%
Accurate 2015	<<locked>>	87%	57305	89%	**87	100%
Accurate 2200	<<locked>>	89%	57580	90%	**46	98%
Accurate 2230	<<locked>>	84%	56913	89%	**23	100%
Accurate 2460	<<locked>>	85%	56956	89%	**30	100%
Accurate 2495	<<locked>>	90%	57450	90%	**59	100%
Accurate 2520	<<locked>>	89%	57174	89%	**69	100%
Accurate 2700	<<locked>>	97%	57522	90%	**81	95%
Accurate 4064	<<locked>>	95%	56956	89%	**69	100%
Accurate 4350	<<locked>>	97%	44788	70%	**25	96%
Alliant AR-Comp	<<locked>>	89%	57072	89%	**30	100%
Alliant Reloder- TS 15.5 👍	<<locked>>	96%	57392	90%	**02	100%
Alliant Reloder-10x	<<locked>>	84%	56797	89%	**87	100%
Alliant Reloder-15 👍	<<locked>>	94%	57101	89%	**05	99%
Alliant Reloder-16	<<locked>>	97%	44396	69%	**35	96%
Alliant Reloder-17	<<locked>>	97%	51982	81%	**09	99%
[Alliant Reloder-23]*	<<locked>>	97%	31618	49%	**10	92%
Baschieri & Pellagri 107	<<locked>>	91%	57537	90%	**99	99%
Hodgdon BL-C2	<<locked>>	89%	57174	89%	**05	100%
Hodgdon Benchmark	<<locked>>	88%	56869	89%	**10	100%
Hodgdon CFE223	<<locked>>	94%	57348	89%	**41	99%
Hodgdon H322	<<locked>>	87%	57421	90%	**50	100%
Hodgdon H380	<<locked>>	95%	57421	90%	**89	98%
Hodgdon H414	<<locked>>	97%	53592	84%	**73	95%
[Hodgdon H4350]*	<<locked>>	97%	43207	67%	**04	91%
Hodgdon Hybrid 100V	<<locked>>	97%	40944	64%	**13	97%
Hodgdon LVR	<<locked>>	97%	49327	77%	**87	97%
[Hodgdon Superperformance]*	<<locked>>	97%	49530	77%	**07	93%
Hodgdon VARGET	<<locked>>	96%	57101	89%	**56	99%
Hodgdon TrailBoss	<<locked>>	97%	33359	52%	**06	100%
IMR 3031	<<locked>>	94%	57246	89%	**92	100%
IMR 4064	<<locked>>	97%	56666	88%	**50	99%
IMR 4166 Enduron	<<locked>>	97%	57087	89%	**23	96%
IMR 4198	<<locked>>	84%	57058	89%	**48	100%
[IMR 4350]*	<<locked>>	97%	45992	72%	**63	92%
IMR 4451 Enduron	<<locked>>	97%	54578	85%	**04	95%
IMR 4831	<<locked>>	97%	38711	60%	**74	95%
IMR 4895 👍	<<locked>>	93%	56855	89%	**12	99%
IMR 8208 XBR	<<locked>>	89%	57290	89%	**59	100%
Lovex D073.4	<<locked>>	84%	57232	89%	**20	100%
Lovex D073.5	<<locked>>	85%	57624	90%	**36	100%
Lovex D073.6	<<locked>>	91%	57435	90%	**79	100%
Lovex S060	<<locked>>	91%	57392	90%	**14	99%
Lovex S062	<<locked>>	95%	57522	90%	**63	100%
Lovex S065	<<locked>>	97%	49705	78%	**22	96%
[Lovex S070]*	<<locked>>	97%	47442	74%	**99	94%
Norma 201	<<locked>>	91%	57072	89%	**46	100%
Norma 202	<<locked>>	91%	57043	89%	**46	100%
Norma 203B	<<locked>>	94%	57305	89%	**02	99%
Norma URP	<<locked>>	97%	44991	70%	**22	96%
Ramshot Big Game 👍	<<locked>>	94%	57276	89%	**19	99%
[Ramshot Hunter]*	<<locked>>	97%	44092	69%	**92	94%
Ramshot TAC	<<locked>>	89%	56898	89%	**43	98%
Ramshot Wild Boar	<<locked>>	89%	56826	89%	**76	99%
Ramshot X-Terminator	<<locked>>	86%	57319	89%	**36	99%
ReloadSwiss RS 14	<<locked>>	96%	33518	52%	**49	100%
ReloadSwiss RS 40	<<locked>>	85%	57290	89%	**50	100%
ReloadSwiss RS 50	<<locked>>	95%	57043	89%	**50	97%
ReloadSwiss RS 52 👍	<<locked>>	94%	56724	88%	**32	100%
ReloadSwiss RS 60	<<locked>>	97%	50502	79%	**99	100%
ReloadSwiss RS 62	<<locked>>	97%	44976	70%	**41	96%
ReloadSwiss RS 70	<<locked>>	97%	46209	72%	**68	95%
Rottweil R 901	<<locked>>	89%	57421	90%	**27	100%
Rottweil R 902	<<locked>>	93%	57624	90%	**43	100%
Rottweil R 903	<<locked>>	97%	54839	86%	**56	100%
[Rottweil R 907]*	<<locked>>	97%	51880	81%	**58	94%
SNPE Vectan SP 11	<<locked>>	97%	56463	88%	**15	99%
SNPE Vectan SP 7	<<locked>>	89%	56724	88%	**50	98%
SNPE Vectan SP 9	<<locked>>	92%	57392	90%	**82	99%
SNPE Vectan Tubal 3000	<<locked>>	90%	57667	90%	**71	100%
SNPE Vectan Tubal 5000	<<locked>>	96%	57638	90%	**68	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	97%	50140	78%	**76	94%
Shooters World Long Rifle	<<locked>>	97%	49705	78%	**22	96%
Shooters World Match Rifle	<<locked>>	91%	57435	90%	**79	100%
Shooters World Precision	<<locked>>	95%	57522	90%	**63	100%
Shooters World Tactical Rifle	<<locked>>	84%	57696	90%	**23	100%
Somchem S321	<<locked>>	86%	57246	89%	**66	100%
Somchem S335	<<locked>>	91%	57290	89%	**77	100%
Somchem S341	<<locked>>	90%	56884	89%	**56	99%
Somchem S355	<<locked>>	97%	54955	86%	**43	99%
Somchem S365	<<locked>>	97%	40234	63%	**66	98%
Vihtavuori N130	<<locked>>	87%	57276	89%	**38	100%
Vihtavuori N133	<<locked>>	93%	57348	89%	**64	100%
Vihtavuori N135	<<locked>>	97%	52576	82%	**51	100%
Vihtavuori N140	<<locked>>	94%	57450	90%	**23	100%
Vihtavuori N150	<<locked>>	97%	46572	73%	**72	99%
Vihtavuori N160	<<locked>>	97%	49864	78%	**71	97%
Vihtavuori N530	<<locked>>	87%	57319	89%	**73	100%
Vihtavuori N540	<<locked>>	93%	57043	89%	**50	100%
Vihtavuori N550	<<locked>>	97%	50053	78%	**14	97%
[Vihtavuori N555]*	<<locked>>	97%	33750	53%	**08	93%
Winchester 6.5 StaBALL	<<locked>>	97%	48501	76%	**12	99%
Winchester 748	<<locked>>	87%	57696	90%	**02	100%
Winchester 760	<<locked>>	97%	53592	84%	**73	95%
Winchester StaBALL Match	<<locked>>	85%	57537	90%	**92	100%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	42047	66%	**97	97%
[ADI AR 2208]*	<<locked>>	81%	35824	56%	**26	94%
Accurate 2015	<<locked>>	81%	47659	74%	**36	100%
Accurate 2200	<<locked>>	81%	44396	69%	**10	96%
Accurate 2230	<<locked>>	81%	50270	78%	**15	99%
Accurate 2460	<<locked>>	81%	50328	78%	**28	100%
Accurate 2495	<<locked>>	81%	42714	67%	**13	100%
Accurate 2520	<<locked>>	81%	43613	68%	**40	100%
[Accurate 2700]*	<<locked>>	86%	40538	63%	**72	90%
Accurate 4064	<<locked>>	81%	36085	56%	**76	99%
[Accurate 4350]*	<<locked>>	85%	30066	47%	**61	90%
Alliant AR-Comp	<<locked>>	81%	43816	68%	**33	100%
Alliant Reloder- TS 15.5	<<locked>>	81%	34940	54%	**46	96%
Alliant Reloder-10x	<<locked>>	81%	51605	80%	**09	100%
Alliant Reloder-15	<<locked>>	81%	37695	59%	**22	95%
[Alliant Reloder-16]*	<<locked>>	85%	31444	49%	**77	90%
[Alliant Reloder-17]*	<<locked>>	81%	30429	47%	**80	92%
[Alliant Reloder-23]*	<<locked>>	93%	28413	44%	**05	90%
Baschieri & Pellagri 107	<<locked>>	81%	41176	64%	**90	95%
Hodgdon BL-C2	<<locked>>	81%	43395	68%	**56	98%
Hodgdon Benchmark	<<locked>>	81%	46412	72%	**20	99%
[Hodgdon CFE223]*	<<locked>>	81%	36230	57%	**12	93%
Hodgdon H322	<<locked>>	81%	46818	73%	**79	100%
[Hodgdon H380]*	<<locked>>	81%	35418	55%	**46	92%
[Hodgdon H414]*	<<locked>>	87%	38218	60%	**51	90%
[Hodgdon H4350]*	<<locked>>	94%	40176	63%	**35	90%
[Hodgdon Hybrid 100V]*	<<locked>>	83%	27064	42%	**26	90%
[Hodgdon LVR]*	<<locked>>	84%	32372	50%	**97	90%
[Hodgdon Superperformance]*	<<locked>>	92%	41321	64%	**23	90%
[Hodgdon VARGET]*	<<locked>>	81%	35650	56%	**23	94%
Hodgdon TrailBoss	<<locked>>	81%	26440	41%	**45	100%
IMR 3031	<<locked>>	81%	38145	59%	**54	100%
[IMR 4064]*	<<locked>>	81%	35099	55%	**13	94%
[IMR 4166 Enduron]*	<<locked>>	84%	38159	60%	**43	90%
IMR 4198	<<locked>>	81%	52040	81%	**79	100%
[IMR 4350]*	<<locked>>	92%	40118	63%	**35	90%
[IMR 4451 Enduron]*	<<locked>>	85%	38072	59%	**69	90%
[IMR 4831]*	<<locked>>	89%	29950	47%	**35	90%
IMR 4895	<<locked>>	81%	38653	60%	**54	96%
IMR 8208 XBR	<<locked>>	81%	44295	69%	**27	99%
Lovex D073.4	<<locked>>	81%	52156	81%	**48	100%
Lovex D073.5	<<locked>>	81%	50082	78%	**18	100%
Lovex D073.6	<<locked>>	81%	40582	63%	**77	99%
Lovex S060	<<locked>>	81%	42612	66%	**44	97%
Lovex S062	<<locked>>	81%	37391	58%	**79	97%
[Lovex S065]*	<<locked>>	84%	33591	52%	**67	90%
[Lovex S070]*	<<locked>>	89%	37217	58%	**76	90%
Norma 201	<<locked>>	81%	41408	65%	**64	98%
Norma 202	<<locked>>	81%	41350	65%	**67	100%
Norma 203B	<<locked>>	81%	37217	58%	**12	95%
[Norma URP]*	<<locked>>	85%	30980	48%	**74	90%
Ramshot Big Game	<<locked>>	81%	36724	57%	**18	95%
[Ramshot Hunter]*	<<locked>>	91%	36245	57%	**08	90%
Ramshot TAC	<<locked>>	81%	44353	69%	**13	95%
Ramshot Wild Boar	<<locked>>	81%	43352	68%	**36	97%
Ramshot X-Terminator	<<locked>>	81%	47921	75%	**72	98%
ReloadSwiss RS 14	<<locked>>	81%	26643	42%	**88	100%
ReloadSwiss RS 40	<<locked>>	81%	49980	78%	**25	100%
[ReloadSwiss RS 50]*	<<locked>>	81%	36318	57%	**36	90%
ReloadSwiss RS 52	<<locked>>	81%	35708	56%	**18	97%
[ReloadSwiss RS 60]*	<<locked>>	81%	29660	46%	**61	92%
[ReloadSwiss RS 62]*	<<locked>>	86%	31415	49%	**10	90%
[ReloadSwiss RS 70]*	<<locked>>	89%	35201	55%	**92	90%
Rottweil R 901	<<locked>>	81%	45107	70%	**23	100%
Rottweil R 902	<<locked>>	81%	39320	61%	**05	97%
[Rottweil R 903]*	<<locked>>	81%	32387	51%	**87	94%
[Rottweil R 907]*	<<locked>>	88%	40059	62%	**12	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	33663	53%	**40	94%
SNPE Vectan SP 7	<<locked>>	81%	42511	66%	**77	95%
SNPE Vectan SP 9	<<locked>>	81%	40538	63%	**64	96%
SNPE Vectan Tubal 3000	<<locked>>	81%	42714	67%	**22	100%
SNPE Vectan Tubal 5000	<<locked>>	81%	35128	55%	**61	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	88%	36753	57%	**10	90%
[Shooters World Long Rifle]*	<<locked>>	84%	33591	52%	**67	90%
Shooters World Match Rifle	<<locked>>	81%	40582	63%	**77	99%
Shooters World Precision	<<locked>>	81%	37391	58%	**79	97%
Shooters World Tactical Rifle	<<locked>>	81%	52649	82%	**35	99%
Somchem S321	<<locked>>	81%	47950	75%	**12	99%
Somchem S335	<<locked>>	81%	42554	66%	**25	100%
Somchem S341	<<locked>>	81%	42061	66%	**87	97%
Somchem S355	<<locked>>	81%	33533	52%	**03	95%
[Somchem S365]*	<<locked>>	82%	24918	39%	**97	90%
Vihtavuori N130	<<locked>>	81%	47718	74%	**94	100%
Vihtavuori N133	<<locked>>	81%	40074	63%	**76	100%
Vihtavuori N135	<<locked>>	81%	32358	50%	**54	99%
Vihtavuori N140	<<locked>>	81%	38464	60%	**92	99%
[Vihtavuori N150]*	<<locked>>	81%	28442	44%	**43	94%
[Vihtavuori N160]*	<<locked>>	82%	30821	48%	**31	90%
Vihtavuori N530	<<locked>>	81%	46702	73%	**82	99%
Vihtavuori N540	<<locked>>	81%	38392	60%	**12	99%
[Vihtavuori N550]*	<<locked>>	82%	31009	48%	**67	90%
[Vihtavuori N555]*	<<locked>>	92%	29051	45%	**64	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	28572	45%	**33	91%
Winchester 748	<<locked>>	81%	47007	73%	**28	100%
[Winchester 760]*	<<locked>>	87%	38218	60%	**51	90%
Winchester StaBALL Match	<<locked>>	81%	50096	78%	**68	99%

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