Load data for .375 Raptor + .375 | 300gr | Sierra SBT GameKing

Recommended Powder(s): ADI AR 2219, Hodgdon H322, Hodgdon H335, ReloadSwiss RS 40, SNPE Vectan SP 10

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.375 \| 300gr \| Sierra SBT GameKing
Manufacturer SKU:	3000
Bullet Weight:	300gr \| 19.4g
Bullet Diameter:	0.375" \| 9.52mm
Bullet Length:	1.378" \| 35.0mm
Caliber:	.375 Raptor load data
Case Length (l3):	1.865" \| 47.4mm
Cartridge Length (C.O.L.):	2.758" \| 70.1mm
Seated Depth:	0.485" \| 12.3mm
Shank Seated Depth:	0.315" \| 8.0mm
Case Capacity:	60.0 Grains of Water \| 3.90 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	58015 psi \| 4000 bar
LID:	LID_B5958_C556
Last updated:	2025-02-02
Recommended Twist Rate:	1:17 - 1:14

Load data for 150 loads in caliber .375 Raptor with .375 | 300gr | Sierra SBT GameKing bullet and 75 powders such as ADI AR 2219, Hodgdon H322, Hodgdon H335, ReloadSwiss RS 40, 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 "Dashboard " page to set the measure system (imperial vs. metric)
Muzzle velocity vs. barrel length
Every 1 inch additional barrel length increases muzzle velocity by approx. 17.6 fps
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
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>>	96%	43511	75%	**73	95%
ADI AR 2207	<<locked>>	89%	51953	90%	**87	100%
[ADI AR 2208]*	<<locked>>	97%	37695	65%	**52	92%
ADI AR 2219 👍	<<locked>>	92%	51039	88%	**59	100%
Accurate 2015	<<locked>>	96%	49240	85%	**00	100%
[Accurate 2200]*	<<locked>>	97%	48385	83%	**87	94%
Accurate 2230	<<locked>>	95%	51663	89%	**39	98%
Accurate 2460	<<locked>>	96%	52069	90%	**62	99%
Accurate 2495	<<locked>>	97%	41060	71%	**80	100%
Accurate 2520	<<locked>>	96%	43149	74%	**96	98%
Accurate 4064	<<locked>>	97%	33852	58%	**72	98%
Alliant AR-Comp	<<locked>>	97%	43845	76%	**00	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	97%	34940	60%	**62	94%
Alliant Reloder-10x	<<locked>>	95%	52199	90%	**36	100%
[Alliant Reloder-15]*	<<locked>>	96%	37913	65%	**08	93%
Alliant Reloder-7	<<locked>>	88%	51880	89%	**77	100%
Baschieri & Pellagri 106	<<locked>>	92%	51895	89%	**80	100%
[Baschieri & Pellagri 107]*	<<locked>>	97%	43787	75%	**80	94%
Hodgdon BL-C2	<<locked>>	96%	43845	76%	**13	97%
Hodgdon Benchmark	<<locked>>	97%	49719	86%	**90	98%
Hodgdon CFE BLK	<<locked>>	88%	51474	89%	**73	98%
Hodgdon H322 👍	<<locked>>	97%	49240	85%	**39	100%
Hodgdon H335 👍	<<locked>>	93%	51285	88%	**69	100%
Hodgdon H4198	<<locked>>	90%	52199	90%	**70	100%
[Hodgdon VARGET]*	<<locked>>	97%	37246	64%	**46	92%
IMR 3031	<<locked>>	97%	38029	66%	**34	99%
[IMR 4064]*	<<locked>>	97%	36042	62%	**26	92%
IMR 4198	<<locked>>	93%	51372	89%	**80	100%
IMR 4227	<<locked>>	83%	51184	88%	**14	100%
[IMR 4895]*	<<locked>>	96%	38682	67%	**34	94%
IMR 8208 XBR	<<locked>>	96%	46354	80%	**87	97%
Lovex D073.4	<<locked>>	94%	51503	89%	**39	99%
Lovex D073.5	<<locked>>	96%	51692	89%	**56	99%
Lovex D073.6	<<locked>>	97%	40393	70%	**60	98%
Lovex S053	<<locked>>	84%	51416	89%	**91	100%
Lovex S060	<<locked>>	97%	46543	80%	**41	96%
Lovex S062	<<locked>>	97%	38101	66%	**88	96%
Norma 200	<<locked>>	91%	52112	90%	**16	100%
Norma 201	<<locked>>	97%	42743	74%	**44	97%
Norma 202	<<locked>>	97%	42366	73%	**57	99%
[Norma 203B]*	<<locked>>	96%	37130	64%	**98	93%
[Ramshot Big Game]*	<<locked>>	97%	38334	66%	**11	93%
[Ramshot TAC]*	<<locked>>	97%	47500	82%	**87	93%
Ramshot Wild Boar	<<locked>>	97%	45571	79%	**06	96%
Ramshot X-Terminator	<<locked>>	96%	51387	89%	**29	97%
ReloadSwiss RS 36	<<locked>>	83%	51227	88%	**51	100%
ReloadSwiss RS 40 👍	<<locked>>	95%	51039	88%	**42	99%
ReloadSwiss RS 52	<<locked>>	97%	36332	63%	**11	95%
Rottweil R 901	<<locked>>	96%	46267	80%	**73	99%
Rottweil R 902	<<locked>>	96%	39929	69%	**95	96%
[Rottweil R 903]*	<<locked>>	96%	31111	54%	**03	92%
SNPE Vectan BA6 1/2	<<locked>>	87%	51126	88%	**64	100%
SNPE Vectan SP 10 👍	<<locked>>	92%	51750	89%	**69	100%
[SNPE Vectan SP 11]*	<<locked>>	97%	34722	60%	**52	91%
[SNPE Vectan SP 7]*	<<locked>>	97%	44498	77%	**60	93%
SNPE Vectan SP 9	<<locked>>	97%	42308	73%	**54	95%
SNPE Vectan Tubal 3000	<<locked>>	96%	45774	79%	**21	99%
SNPE Vectan Tubal 5000	<<locked>>	96%	36753	63%	**09	98%
Shooters World Match Rifle	<<locked>>	97%	40393	70%	**60	98%
Shooters World Precision	<<locked>>	97%	38101	66%	**88	96%
Shooters World Tactical Rifle	<<locked>>	93%	51372	89%	**13	98%
Somchem S321	<<locked>>	97%	50705	87%	**65	98%
Somchem S335	<<locked>>	97%	44454	77%	**28	99%
Somchem S341	<<locked>>	97%	44483	77%	**67	95%
[Somchem S355]*	<<locked>>	97%	33141	57%	**23	93%
Vihtavuori N120	<<locked>>	92%	52141	90%	**44	100%
Vihtavuori N130	<<locked>>	97%	51082	88%	**77	100%
Vihtavuori N133	<<locked>>	97%	42090	73%	**88	100%
Vihtavuori N135	<<locked>>	96%	31082	54%	**83	98%
Vihtavuori N140	<<locked>>	97%	39523	68%	**98	99%
[Vihtavuori N150]*	<<locked>>	97%	28239	49%	**01	92%
Vihtavuori N530	<<locked>>	97%	49893	86%	**42	98%
Vihtavuori N540	<<locked>>	97%	39189	68%	**18	98%
Winchester 748	<<locked>>	97%	49255	85%	**75	99%
Winchester StaBALL Match	<<locked>>	95%	50865	88%	**82	97%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	85%	29994	52%	**34	90%
ADI AR 2207	<<locked>>	81%	40393	70%	**49	100%
[ADI AR 2208]*	<<locked>>	92%	33199	57%	**73	90%
ADI AR 2219	<<locked>>	81%	35766	62%	**42	98%
Accurate 2015	<<locked>>	81%	30705	53%	**27	99%
[Accurate 2200]*	<<locked>>	87%	35534	61%	**93	90%
[Accurate 2230]*	<<locked>>	81%	31314	54%	**41	92%
[Accurate 2460]*	<<locked>>	81%	31198	54%	**57	94%
Accurate 2495	<<locked>>	81%	24352	42%	**78	97%
[Accurate 2520]*	<<locked>>	81%	25657	44%	**88	93%
[Accurate 4064]*	<<locked>>	81%	20595	35%	**77	91%
Alliant AR-Comp	<<locked>>	81%	26672	46%	**08	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	89%	27543	47%	**11	90%
Alliant Reloder-10x	<<locked>>	81%	33736	58%	**90	100%
[Alliant Reloder-15]*	<<locked>>	90%	31401	54%	**83	90%
Alliant Reloder-7	<<locked>>	81%	41597	72%	**52	100%
Baschieri & Pellagri 106	<<locked>>	81%	36564	63%	**77	99%
[Baschieri & Pellagri 107]*	<<locked>>	90%	34722	60%	**29	90%
[Hodgdon BL-C2]*	<<locked>>	82%	27006	47%	**08	90%
[Hodgdon Benchmark]*	<<locked>>	81%	31227	54%	**01	94%
Hodgdon CFE BLK	<<locked>>	81%	40973	71%	**32	96%
Hodgdon H322	<<locked>>	81%	30139	52%	**37	97%
Hodgdon H335	<<locked>>	81%	34679	60%	**32	97%
Hodgdon H4198	<<locked>>	81%	39827	69%	**09	99%
[Hodgdon VARGET]*	<<locked>>	92%	32953	57%	**67	90%
IMR 3031	<<locked>>	81%	23801	41%	**39	95%
[IMR 4064]*	<<locked>>	92%	31459	54%	**41	90%
IMR 4198	<<locked>>	81%	35766	62%	**77	100%
IMR 4227	<<locked>>	81%	47979	83%	**78	100%
[IMR 4895]*	<<locked>>	88%	29820	51%	**64	90%
[IMR 8208 XBR]*	<<locked>>	81%	28877	50%	**91	92%
Lovex D073.4	<<locked>>	81%	32692	56%	**73	95%
[Lovex D073.5]*	<<locked>>	81%	30879	53%	**50	94%
[Lovex D073.6]*	<<locked>>	81%	24033	41%	**45	92%
Lovex S053	<<locked>>	81%	46963	81%	**42	100%
[Lovex S060]*	<<locked>>	83%	30429	52%	**75	90%
[Lovex S062]*	<<locked>>	85%	26020	45%	**55	90%
Norma 200	<<locked>>	81%	38377	66%	**46	100%
[Norma 201]*	<<locked>>	81%	26368	45%	**45	90%
[Norma 202]*	<<locked>>	81%	26063	45%	**62	94%
[Norma 203B]*	<<locked>>	89%	30023	52%	**60	90%
[Ramshot Big Game]*	<<locked>>	92%	33141	57%	**13	90%
[Ramshot TAC]*	<<locked>>	91%	39262	68%	**65	90%
[Ramshot Wild Boar]*	<<locked>>	84%	30690	53%	**54	90%
[Ramshot X-Terminator]*	<<locked>>	81%	31734	55%	**27	91%
ReloadSwiss RS 36	<<locked>>	81%	47863	83%	**14	100%
ReloadSwiss RS 40	<<locked>>	81%	32126	55%	**64	95%
[ReloadSwiss RS 52]*	<<locked>>	87%	26382	45%	**01	90%
Rottweil R 901	<<locked>>	81%	29486	51%	**98	95%
[Rottweil R 902]*	<<locked>>	82%	25744	44%	**26	90%
[Rottweil R 903]*	<<locked>>	93%	27615	48%	**31	90%
SNPE Vectan BA6 1/2	<<locked>>	81%	43714	75%	**85	100%
SNPE Vectan SP 10	<<locked>>	81%	35868	62%	**46	97%
[SNPE Vectan SP 11]*	<<locked>>	94%	32155	55%	**00	90%
[SNPE Vectan SP 7]*	<<locked>>	92%	37231	64%	**49	90%
[SNPE Vectan SP 9]*	<<locked>>	86%	30429	52%	**37	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	28427	49%	**39	95%
[SNPE Vectan Tubal 5000]*	<<locked>>	82%	23627	41%	**47	93%
[Shooters World Match Rifle]*	<<locked>>	81%	24033	41%	**45	92%
[Shooters World Precision]*	<<locked>>	85%	26020	45%	**55	90%
[Shooters World Tactical Rifle]*	<<locked>>	81%	34418	59%	**70	93%
[Somchem S321]*	<<locked>>	81%	29950	52%	**44	93%
Somchem S335	<<locked>>	81%	27717	48%	**49	96%
[Somchem S341]*	<<locked>>	86%	31473	54%	**50	90%
[Somchem S355]*	<<locked>>	92%	28514	49%	**27	90%
Vihtavuori N120	<<locked>>	81%	38000	65%	**80	100%
Vihtavuori N130	<<locked>>	81%	32068	55%	**14	99%
Vihtavuori N133	<<locked>>	81%	26527	46%	**19	97%
[Vihtavuori N135]*	<<locked>>	83%	21437	37%	**54	94%
[Vihtavuori N140]*	<<locked>>	81%	24482	42%	**06	93%
[Vihtavuori N150]*	<<locked>>	93%	25498	44%	**39	90%
[Vihtavuori N530]*	<<locked>>	81%	29791	51%	**24	92%
[Vihtavuori N540]*	<<locked>>	81%	24018	41%	**16	92%
[Winchester 748]*	<<locked>>	81%	29486	51%	**47	93%
[Winchester StaBALL Match]*	<<locked>>	81%	31256	54%	**73	91%

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