Load data for .375 H.& H. Mag. + .375 | 221gr | SUS-TAC HPT

Recommended Powder(s): Accurate 2520, Lovex D073.6, Somchem S321, Winchester 748, Winchester StaBALL Match

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.375 \| 221gr \| SUS-TAC HPT
Manufacturer SKU:	H12924
Bullet Weight:	221gr \| 14.3g
Bullet Diameter:	0.375" \| 9.52mm
Bullet Length:	1.278" \| 32.5mm
Caliber:	.375 H.& H. Mag. load data
Case Length (l3):	2.859" \| 72.6mm
Cartridge Length (C.O.L.):	3.546" \| 90.1mm
Seated Depth:	0.591" \| 15.0mm
Shank Seated Depth:	0.591" \| 15.0mm
Case Capacity:	95.3 Grains of Water \| 6.19 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	62366 psi \| 4300 bar
LID:	LID_B10326_C543
Last updated:	2025-01-01

Load data for 166 loads in caliber .375 H.& H. Mag. with .375 | 221gr | SUS-TAC HPT bullet and 83 powders such as Accurate 2520, Lovex D073.6, Somchem S321, Winchester 748, Winchester StaBALL Match. 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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Min z (%)
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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.

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%	55274	89%	**67	98%
ADI AR 2207	<<locked>>	85%	56130	90%	**46	100%
ADI AR 2208	<<locked>>	97%	47587	76%	**13	96%
ADI AR 2219	<<locked>>	87%	55651	89%	**41	100%
Accurate 2015	<<locked>>	93%	55985	90%	**89	100%
Accurate 2200	<<locked>>	94%	55680	89%	**22	97%
Accurate 2230	<<locked>>	90%	55883	90%	**22	99%
Accurate 2460	<<locked>>	90%	56043	90%	**38	100%
Accurate 2495	<<locked>>	97%	56101	90%	**71	100%
Accurate 2520 👍	<<locked>>	95%	55709	89%	**71	100%
Accurate 4064	<<locked>>	97%	46180	74%	**43	100%
Alliant AR-Comp	<<locked>>	95%	55753	89%	**51	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	46195	74%	**36	98%
Alliant Reloder-10x	<<locked>>	90%	55405	89%	**92	100%
Alliant Reloder-15	<<locked>>	97%	50082	80%	**02	97%
Alliant Reloder-17	<<locked>>	97%	40901	66%	**87	95%
Alliant Reloder-7	<<locked>>	84%	55419	89%	**40	100%
Baschieri & Pellagri 106	<<locked>>	88%	56101	90%	**43	100%
Baschieri & Pellagri 107	<<locked>>	96%	55347	89%	**74	97%
Hodgdon BL-C2	<<locked>>	95%	55840	90%	**00	99%
Hodgdon Benchmark	<<locked>>	93%	55854	90%	**95	99%
Hodgdon CFE BLK	<<locked>>	84%	55347	89%	**53	99%
Hodgdon CFE223	<<locked>>	97%	49124	79%	**12	96%
Hodgdon H322	<<locked>>	93%	55651	89%	**41	100%
Hodgdon H335	<<locked>>	88%	55840	90%	**51	100%
Hodgdon H380	<<locked>>	97%	47906	77%	**49	95%
Hodgdon H4198	<<locked>>	86%	55767	89%	**46	100%
Hodgdon VARGET	<<locked>>	97%	47137	76%	**03	96%
IMR 3031	<<locked>>	97%	49385	79%	**08	100%
IMR 4064	<<locked>>	97%	46108	74%	**80	96%
[IMR 4166 Enduron]*	<<locked>>	97%	47282	76%	**48	91%
IMR 4198	<<locked>>	90%	56043	90%	**59	100%
IMR 4895	<<locked>>	97%	51039	82%	**35	98%
IMR 8208 XBR	<<locked>>	95%	55390	89%	**35	99%
Lovex D073.4	<<locked>>	89%	55927	90%	**18	100%
Lovex D073.5	<<locked>>	90%	55651	89%	**28	100%
Lovex D073.6 👍	<<locked>>	97%	54418	87%	**54	100%
Lovex S060	<<locked>>	96%	55666	89%	**89	98%
Lovex S062	<<locked>>	97%	48979	79%	**46	98%
Norma 200	<<locked>>	86%	55912	90%	**79	100%
Norma 201	<<locked>>	97%	54491	87%	**22	99%
Norma 202	<<locked>>	97%	55390	89%	**44	100%
Norma 203B	<<locked>>	97%	49182	79%	**92	97%
Ramshot Big Game	<<locked>>	97%	49850	80%	**15	97%
Ramshot TAC	<<locked>>	94%	55419	89%	**28	96%
Ramshot Wild Boar	<<locked>>	95%	55303	89%	**71	98%
Ramshot X-Terminator	<<locked>>	92%	56130	90%	**22	98%
ReloadSwiss RS 14	<<locked>>	96%	32140	52%	**93	100%
ReloadSwiss RS 40	<<locked>>	91%	55782	89%	**38	100%
[ReloadSwiss RS 50]*	<<locked>>	97%	49168	79%	**26	93%
ReloadSwiss RS 52	<<locked>>	97%	47471	76%	**05	99%
ReloadSwiss RS 60	<<locked>>	97%	39784	64%	**74	95%
Rottweil R 901	<<locked>>	95%	56057	90%	**28	100%
Rottweil R 902	<<locked>>	97%	52025	83%	**76	99%
Rottweil R 903	<<locked>>	97%	42467	68%	**67	96%
SNPE Vectan BA6 1/2	<<locked>>	85%	55724	89%	**90	100%
SNPE Vectan SP 10	<<locked>>	87%	55840	90%	**44	100%
SNPE Vectan SP 11	<<locked>>	97%	44599	72%	**30	96%
SNPE Vectan SP 7	<<locked>>	96%	55999	90%	**41	96%
SNPE Vectan SP 9	<<locked>>	97%	54549	87%	**48	98%
SNPE Vectan Tubal 3000	<<locked>>	95%	55593	89%	**56	100%
SNPE Vectan Tubal 5000	<<locked>>	97%	47253	76%	**44	100%
Shooters World Match Rifle	<<locked>>	97%	54418	87%	**54	100%
Shooters World Precision	<<locked>>	97%	48979	79%	**46	98%
Shooters World Tactical Rifle	<<locked>>	89%	55999	90%	**99	99%
Somchem S321 👍	<<locked>>	92%	55767	89%	**64	99%
Somchem S335	<<locked>>	96%	55492	89%	**76	100%
Somchem S341	<<locked>>	96%	55317	89%	**41	98%
Somchem S355	<<locked>>	97%	43424	70%	**71	96%
[Somchem S365]*	<<locked>>	97%	31502	51%	**67	93%
Vihtavuori N120	<<locked>>	87%	55796	89%	**90	100%
Vihtavuori N130	<<locked>>	92%	55912	90%	**49	100%
Vihtavuori N133	<<locked>>	97%	53200	85%	**26	100%
Vihtavuori N135	<<locked>>	97%	41785	67%	**21	100%
Vihtavuori N140	<<locked>>	97%	51300	82%	**59	100%
Vihtavuori N150	<<locked>>	97%	36912	59%	**23	96%
[Vihtavuori N160]*	<<locked>>	97%	39233	63%	**82	92%
Vihtavuori N530	<<locked>>	93%	55709	89%	**51	99%
Vihtavuori N540	<<locked>>	97%	50778	81%	**79	100%
[Vihtavuori N550]*	<<locked>>	97%	39001	63%	**31	92%
[Winchester 6.5 StaBALL]*	<<locked>>	97%	38667	62%	**36	94%
Winchester 748 👍	<<locked>>	92%	55317	89%	**87	100%
Winchester StaBALL Match 👍	<<locked>>	90%	55912	90%	**77	99%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	34200	55%	**57	92%
ADI AR 2207	<<locked>>	81%	50241	81%	**64	100%
[ADI AR 2208]*	<<locked>>	84%	31778	51%	**79	90%
ADI AR 2219	<<locked>>	81%	45107	72%	**80	100%
Accurate 2015	<<locked>>	81%	39131	63%	**23	100%
[Accurate 2200]*	<<locked>>	81%	36593	59%	**64	91%
Accurate 2230	<<locked>>	81%	40596	65%	**66	96%
Accurate 2460	<<locked>>	81%	40480	65%	**79	97%
Accurate 2495	<<locked>>	81%	33170	53%	**77	99%
Accurate 2520	<<locked>>	81%	34156	55%	**87	96%
Accurate 4064	<<locked>>	81%	27905	45%	**39	95%
Alliant AR-Comp	<<locked>>	81%	34461	55%	**10	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	27746	44%	**16	91%
Alliant Reloder-10x	<<locked>>	81%	42540	68%	**02	100%
[Alliant Reloder-15]*	<<locked>>	82%	31082	50%	**98	90%
[Alliant Reloder-17]*	<<locked>>	89%	31734	51%	**61	90%
Alliant Reloder-7	<<locked>>	81%	51169	82%	**80	100%
Baschieri & Pellagri 106	<<locked>>	81%	44730	72%	**72	100%
[Baschieri & Pellagri 107]*	<<locked>>	81%	33054	53%	**41	90%
[Hodgdon BL-C2]*	<<locked>>	81%	34142	55%	**00	94%
Hodgdon Benchmark	<<locked>>	81%	38754	62%	**00	97%
Hodgdon CFE BLK	<<locked>>	81%	49705	80%	**71	98%
[Hodgdon CFE223]*	<<locked>>	86%	34592	55%	**00	90%
Hodgdon H322	<<locked>>	81%	38014	61%	**46	99%
Hodgdon H335	<<locked>>	81%	44382	71%	**71	99%
[Hodgdon H380]*	<<locked>>	87%	34896	56%	**80	90%
Hodgdon H4198	<<locked>>	81%	47950	77%	**28	100%
[Hodgdon VARGET]*	<<locked>>	84%	32126	52%	**85	90%
IMR 3031	<<locked>>	81%	30313	49%	**25	98%
[IMR 4064]*	<<locked>>	84%	31053	50%	**52	90%
[IMR 4166 Enduron]*	<<locked>>	94%	43555	70%	**79	90%
IMR 4198	<<locked>>	81%	43743	70%	**72	100%
[IMR 4895]*	<<locked>>	81%	30850	49%	**11	91%
IMR 8208 XBR	<<locked>>	81%	36172	58%	**84	95%
Lovex D073.4	<<locked>>	81%	42264	68%	**98	98%
Lovex D073.5	<<locked>>	81%	39987	64%	**69	97%
Lovex D073.6	<<locked>>	81%	31908	51%	**34	96%
[Lovex S060]*	<<locked>>	81%	35520	57%	**21	93%
[Lovex S062]*	<<locked>>	81%	30008	48%	**52	93%
Norma 200	<<locked>>	81%	48196	77%	**67	100%
[Norma 201]*	<<locked>>	81%	33634	54%	**28	94%
Norma 202	<<locked>>	81%	33504	54%	**48	97%
[Norma 203B]*	<<locked>>	81%	29573	47%	**69	90%
[Ramshot Big Game]*	<<locked>>	83%	31053	50%	**08	90%
[Ramshot TAC]*	<<locked>>	82%	37797	61%	**00	90%
[Ramshot Wild Boar]*	<<locked>>	81%	35027	56%	**90	93%
[Ramshot X-Terminator]*	<<locked>>	81%	39436	63%	**30	94%
ReloadSwiss RS 14	<<locked>>	91%	29921	48%	**50	100%
ReloadSwiss RS 40	<<locked>>	81%	40973	66%	**85	98%
[ReloadSwiss RS 50]*	<<locked>>	91%	40857	66%	**72	90%
[ReloadSwiss RS 52]*	<<locked>>	81%	28282	45%	**69	92%
[ReloadSwiss RS 60]*	<<locked>>	89%	30647	49%	**28	90%
Rottweil R 901	<<locked>>	81%	37101	59%	**90	98%
[Rottweil R 902]*	<<locked>>	81%	32039	51%	**79	93%
[Rottweil R 903]*	<<locked>>	84%	27441	44%	**16	90%
SNPE Vectan BA6 1/2	<<locked>>	81%	50821	81%	**28	100%
SNPE Vectan SP 10	<<locked>>	81%	45745	73%	**90	99%
[SNPE Vectan SP 11]*	<<locked>>	85%	30922	50%	**15	90%
[SNPE Vectan SP 7]*	<<locked>>	82%	35259	57%	**61	90%
[SNPE Vectan SP 9]*	<<locked>>	81%	32866	53%	**21	92%
SNPE Vectan Tubal 3000	<<locked>>	81%	35650	57%	**18	98%
SNPE Vectan Tubal 5000	<<locked>>	81%	28906	46%	**74	96%
Shooters World Match Rifle	<<locked>>	81%	31908	51%	**34	96%
[Shooters World Precision]*	<<locked>>	81%	30008	48%	**52	93%
Shooters World Tactical Rifle	<<locked>>	81%	43265	69%	**92	97%
Somchem S321	<<locked>>	81%	38493	62%	**56	96%
Somchem S335	<<locked>>	81%	34824	56%	**15	98%
[Somchem S341]*	<<locked>>	81%	33518	54%	**31	92%
[Somchem S355]*	<<locked>>	83%	28152	45%	**20	90%
[Somchem S365]*	<<locked>>	93%	27934	45%	**59	90%
Vihtavuori N120	<<locked>>	81%	46717	75%	**69	100%
Vihtavuori N130	<<locked>>	81%	39914	64%	**03	100%
Vihtavuori N133	<<locked>>	81%	33040	53%	**75	99%
Vihtavuori N135	<<locked>>	81%	25657	41%	**51	96%
Vihtavuori N140	<<locked>>	81%	31111	50%	**72	97%
[Vihtavuori N150]*	<<locked>>	84%	24860	40%	**08	90%
[Vihtavuori N160]*	<<locked>>	93%	35143	56%	**87	90%
Vihtavuori N530	<<locked>>	81%	37797	61%	**36	96%
Vihtavuori N540	<<locked>>	81%	30879	50%	**92	96%
[Vihtavuori N550]*	<<locked>>	93%	34592	55%	**23	90%
[Winchester 6.5 StaBALL]*	<<locked>>	90%	30777	49%	**43	90%
Winchester 748	<<locked>>	81%	37289	60%	**72	97%
Winchester StaBALL Match	<<locked>>	81%	39726	64%	**08	95%

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.