Load data for .375 R Hoelderlin + .375 | 250gr | Sierra SBT GameKing

Recommended Powder(s): Accurate 4064, Lovex D073.6, Lovex S062, ReloadSwiss RS 52, Shooters World Match Rifle

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.375 \| 250gr \| Sierra SBT GameKing
Manufacturer SKU:	2950
Bullet Weight:	250gr \| 16.2g
Bullet Diameter:	0.375" \| 9.52mm
Bullet Length:	1.183" \| 30.0mm
Caliber:	.375 R Hoelderlin load data
Case Length (l3):	2.657" \| 67.5mm
Cartridge Length (C.O.L.):	3.374" \| 85.7mm
Seated Depth:	0.466" \| 11.8mm
Shank Seated Depth:	0.327" \| 8.3mm
Case Capacity:	88.0 Grains of Water \| 5.71 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	52214 psi \| 3600 bar
LID:	LID_B5957_C554
Last updated:	2025-02-02
Recommended Twist Rate:	1:20 - 1:17

Load data for 162 loads in caliber .375 R Hoelderlin with .375 | 250gr | Sierra SBT GameKing bullet and 81 powders such as Accurate 4064, Lovex D073.6, Lovex S062, ReloadSwiss RS 52, Shooters World Match Rifle. 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>>	89%	46934	90%	**59	98%
ADI AR 2208	<<locked>>	94%	46630	89%	**36	97%
Accurate 2015	<<locked>>	85%	46427	89%	**80	100%
Accurate 2200	<<locked>>	87%	46586	89%	**07	96%
Accurate 2230	<<locked>>	83%	46412	89%	**10	98%
Accurate 2460	<<locked>>	83%	46528	89%	**20	99%
Accurate 2495	<<locked>>	89%	46920	90%	**59	100%
Accurate 2520	<<locked>>	88%	46325	89%	**62	100%
[Accurate 2700]*	<<locked>>	95%	46818	90%	**61	92%
Accurate 4064 👍	<<locked>>	95%	46528	89%	**69	100%
[Accurate 4350]*	<<locked>>	97%	36680	70%	**44	93%
Alliant AR-Comp	<<locked>>	88%	46673	89%	**46	100%
Alliant Reloder- TS 15.5	<<locked>>	95%	46383	89%	**66	98%
Alliant Reloder-15	<<locked>>	92%	46702	89%	**72	97%
[Alliant Reloder-16]*	<<locked>>	97%	38363	73%	**51	93%
Alliant Reloder-17	<<locked>>	97%	43671	84%	**05	97%
Baschieri & Pellagri 107	<<locked>>	89%	46528	89%	**66	97%
Hodgdon BL-C2	<<locked>>	88%	46818	90%	**89	99%
Hodgdon Benchmark	<<locked>>	85%	46514	89%	**80	99%
Hodgdon CFE223	<<locked>>	93%	46499	89%	**98	96%
Hodgdon H322	<<locked>>	85%	46978	90%	**33	100%
Hodgdon H380	<<locked>>	94%	46398	89%	**56	96%
[Hodgdon H414]*	<<locked>>	97%	44933	86%	**72	92%
Hodgdon Hybrid 100V	<<locked>>	97%	35041	67%	**59	95%
[Hodgdon LVR]*	<<locked>>	97%	41742	80%	**10	94%
Hodgdon VARGET	<<locked>>	95%	46949	90%	**39	97%
IMR 3031	<<locked>>	92%	46296	89%	**75	100%
IMR 4064	<<locked>>	95%	46731	89%	**26	97%
[IMR 4166 Enduron]*	<<locked>>	94%	46485	89%	**80	93%
[IMR 4451 Enduron]*	<<locked>>	97%	46876	90%	**23	93%
IMR 4895	<<locked>>	92%	46586	89%	**85	98%
IMR 8208 XBR	<<locked>>	87%	46847	90%	**30	99%
Lovex D073.5	<<locked>>	84%	46688	89%	**23	99%
Lovex D073.6 👍	<<locked>>	90%	46659	89%	**66	100%
Lovex S060	<<locked>>	88%	46804	90%	**87	98%
Lovex S062 👍	<<locked>>	93%	46992	90%	**46	99%
[Lovex S065]*	<<locked>>	97%	42685	82%	**64	94%
Norma 201	<<locked>>	90%	46702	89%	**26	99%
Norma 202	<<locked>>	90%	46862	90%	**43	100%
Norma 203B	<<locked>>	93%	46702	89%	**79	98%
[Norma URP]*	<<locked>>	97%	37579	72%	**41	93%
Ramshot Big Game	<<locked>>	93%	46731	89%	**95	98%
Ramshot TAC	<<locked>>	87%	46615	89%	**16	95%
Ramshot Wild Boar	<<locked>>	88%	46499	89%	**59	98%
Ramshot X-Terminator	<<locked>>	84%	46630	89%	**07	98%
ReloadSwiss RS 40	<<locked>>	83%	46572	89%	**20	100%
[ReloadSwiss RS 50]*	<<locked>>	93%	46572	89%	**23	94%
ReloadSwiss RS 52 👍	<<locked>>	94%	46992	90%	**28	99%
ReloadSwiss RS 60	<<locked>>	97%	42801	82%	**95	98%
[ReloadSwiss RS 62]*	<<locked>>	97%	36898	71%	**54	93%
Rottweil R 901	<<locked>>	87%	46746	90%	**07	100%
Rottweil R 902	<<locked>>	91%	46340	89%	**16	99%
Rottweil R 903	<<locked>>	97%	45368	87%	**59	98%
[Rottweil R 907]*	<<locked>>	97%	44788	86%	**80	91%
SNPE Vectan SP 11	<<locked>>	96%	46557	89%	**05	98%
SNPE Vectan SP 7	<<locked>>	88%	46775	90%	**33	96%
SNPE Vectan SP 9	<<locked>>	90%	46804	90%	**56	98%
SNPE Vectan Tubal 3000	<<locked>>	88%	46731	89%	**61	100%
SNPE Vectan Tubal 5000	<<locked>>	95%	46673	89%	**70	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	97%	42090	81%	**18	92%
[Shooters World Long Rifle]*	<<locked>>	97%	42685	82%	**64	94%
Shooters World Match Rifle 👍	<<locked>>	90%	46659	89%	**66	100%
Shooters World Precision	<<locked>>	93%	46992	90%	**46	99%
Somchem S321	<<locked>>	85%	46688	89%	**49	99%
Somchem S335	<<locked>>	89%	46746	90%	**74	100%
Somchem S341	<<locked>>	89%	46847	90%	**39	98%
Somchem S355	<<locked>>	97%	46876	90%	**69	98%
Somchem S365	<<locked>>	97%	33808	65%	**98	96%
Vihtavuori N130	<<locked>>	85%	46963	90%	**44	100%
Vihtavuori N133	<<locked>>	90%	46267	89%	**54	100%
Vihtavuori N135	<<locked>>	97%	44541	85%	**93	100%
Vihtavuori N140	<<locked>>	91%	46195	88%	**10	100%
Vihtavuori N150	<<locked>>	97%	39682	76%	**21	98%
Vihtavuori N160	<<locked>>	97%	41669	80%	**80	95%
Vihtavuori N530	<<locked>>	85%	46717	89%	**36	99%
Vihtavuori N540	<<locked>>	92%	46760	90%	**46	100%
Vihtavuori N550	<<locked>>	97%	41872	80%	**30	95%
Winchester 6.5 StaBALL	<<locked>>	97%	41466	79%	**51	97%
Winchester 748	<<locked>>	86%	46978	90%	**85	99%
[Winchester 760]*	<<locked>>	97%	44933	86%	**72	92%
Winchester StaBALL Match	<<locked>>	83%	46398	89%	**66	98%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	36448	70%	**62	95%
[ADI AR 2208]*	<<locked>>	81%	31140	60%	**18	92%
Accurate 2015	<<locked>>	81%	41582	80%	**98	100%
[Accurate 2200]*	<<locked>>	81%	38769	74%	**65	94%
Accurate 2230	<<locked>>	81%	43105	83%	**54	98%
Accurate 2460	<<locked>>	81%	43120	83%	**64	99%
Accurate 2495	<<locked>>	81%	35955	69%	**72	100%
Accurate 2520	<<locked>>	81%	36869	71%	**95	98%
[Accurate 2700]*	<<locked>>	92%	42482	81%	**88	90%
Accurate 4064	<<locked>>	81%	30240	58%	**54	98%
[Accurate 4350]*	<<locked>>	91%	29646	57%	**80	90%
Alliant AR-Comp	<<locked>>	81%	36999	71%	**95	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	29776	57%	**34	94%
[Alliant Reloder-15]*	<<locked>>	81%	32314	62%	**87	93%
[Alliant Reloder-16]*	<<locked>>	91%	32213	62%	**00	90%
[Alliant Reloder-17]*	<<locked>>	84%	28369	54%	**31	90%
[Baschieri & Pellagri 107]*	<<locked>>	81%	35346	68%	**49	93%
Hodgdon BL-C2	<<locked>>	81%	36796	70%	**05	97%
Hodgdon Benchmark	<<locked>>	81%	40756	78%	**79	98%
[Hodgdon CFE223]*	<<locked>>	81%	30893	59%	**70	90%
Hodgdon H322	<<locked>>	81%	40538	78%	**31	100%
[Hodgdon H380]*	<<locked>>	82%	31256	60%	**51	90%
[Hodgdon H414]*	<<locked>>	93%	39117	75%	**61	90%
[Hodgdon Hybrid 100V]*	<<locked>>	89%	27209	52%	**59	90%
[Hodgdon LVR]*	<<locked>>	89%	33170	64%	**20	90%
[Hodgdon VARGET]*	<<locked>>	81%	31024	59%	**15	92%
IMR 3031	<<locked>>	81%	32314	62%	**16	99%
[IMR 4064]*	<<locked>>	81%	30458	58%	**98	92%
[IMR 4166 Enduron]*	<<locked>>	88%	38928	75%	**43	90%
[IMR 4451 Enduron]*	<<locked>>	91%	39349	75%	**82	90%
[IMR 4895]*	<<locked>>	81%	33069	63%	**16	94%
IMR 8208 XBR	<<locked>>	81%	38595	74%	**82	97%
Lovex D073.5	<<locked>>	81%	42960	82%	**64	99%
Lovex D073.6	<<locked>>	81%	34330	66%	**39	98%
Lovex S060	<<locked>>	81%	37536	72%	**16	95%
Lovex S062	<<locked>>	81%	32097	61%	**57	95%
[Lovex S065]*	<<locked>>	89%	33924	65%	**83	90%
Norma 201	<<locked>>	81%	35868	69%	**26	96%
Norma 202	<<locked>>	81%	35723	68%	**39	99%
[Norma 203B]*	<<locked>>	81%	31836	61%	**80	93%
[Norma URP]*	<<locked>>	90%	30980	59%	**80	90%
[Ramshot Big Game]*	<<locked>>	81%	31459	60%	**80	92%
[Ramshot TAC]*	<<locked>>	81%	38508	74%	**65	92%
Ramshot Wild Boar	<<locked>>	81%	37289	71%	**88	95%
Ramshot X-Terminator	<<locked>>	81%	41930	80%	**21	96%
ReloadSwiss RS 40	<<locked>>	81%	43366	83%	**67	99%
[ReloadSwiss RS 50]*	<<locked>>	86%	36912	71%	**46	90%
ReloadSwiss RS 52	<<locked>>	81%	30197	58%	**77	95%
[ReloadSwiss RS 60]*	<<locked>>	84%	27731	53%	**05	90%
[ReloadSwiss RS 62]*	<<locked>>	92%	32126	62%	**36	90%
Rottweil R 901	<<locked>>	81%	39610	76%	**79	99%
Rottweil R 902	<<locked>>	81%	34113	65%	**80	96%
[Rottweil R 903]*	<<locked>>	81%	27354	52%	**75	92%
[Rottweil R 907]*	<<locked>>	94%	41205	79%	**15	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	28906	55%	**18	91%
[SNPE Vectan SP 7]*	<<locked>>	81%	36434	70%	**36	92%
[SNPE Vectan SP 9]*	<<locked>>	81%	34998	67%	**26	94%
SNPE Vectan Tubal 3000	<<locked>>	81%	37753	72%	**03	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	30647	59%	**75	98%
[SNPE Vectan Tubal 7000]*	<<locked>>	93%	37405	72%	**33	90%
[Shooters World Long Rifle]*	<<locked>>	89%	33924	65%	**83	90%
Shooters World Match Rifle	<<locked>>	81%	34330	66%	**39	98%
Shooters World Precision	<<locked>>	81%	32097	61%	**57	95%
Somchem S321	<<locked>>	81%	41249	79%	**51	98%
Somchem S335	<<locked>>	81%	36999	71%	**06	99%
Somchem S341	<<locked>>	81%	35955	69%	**39	95%
[Somchem S355]*	<<locked>>	81%	28558	55%	**88	92%
[Somchem S365]*	<<locked>>	87%	25092	48%	**46	90%
Vihtavuori N130	<<locked>>	81%	42003	80%	**69	100%
Vihtavuori N133	<<locked>>	81%	35201	67%	**64	100%
Vihtavuori N135	<<locked>>	81%	27630	53%	**59	98%
Vihtavuori N140	<<locked>>	81%	33315	64%	**74	98%
[Vihtavuori N150]*	<<locked>>	81%	24265	46%	**57	92%
[Vihtavuori N160]*	<<locked>>	88%	31154	60%	**54	90%
Vihtavuori N530	<<locked>>	81%	40451	77%	**28	98%
Vihtavuori N540	<<locked>>	81%	32982	63%	**90	98%
[Vihtavuori N550]*	<<locked>>	87%	31024	59%	**90	90%
[Winchester 6.5 StaBALL]*	<<locked>>	84%	27543	53%	**23	90%
Winchester 748	<<locked>>	81%	39914	76%	**67	98%
[Winchester 760]*	<<locked>>	93%	39117	75%	**61	90%
Winchester StaBALL Match	<<locked>>	81%	42656	82%	**97	97%

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