Load data for .375 Hoelderlin + .375 | 200gr | MAKER TREX

Recommended Powder(s): ADI AR 2219, Accurate 2015, Accurate 2495, Alliant AR-Comp, Hodgdon H322

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.375 \| 200gr \| MAKER TREX
Manufacturer SKU:	SKU 375-200g-HV-T-Rex
Bullet Weight:	200gr \| 13.0g
Bullet Diameter:	0.375" \| 9.52mm
Bullet Length:	<<locked>>
Caliber:	.375 Hoelderlin load data
Case Length (l3):	2.657" \| 67.5mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	88.0 Grains of Water \| 5.71 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	55114 psi \| 3800 bar
LID:	LID_B10970_C546
Last updated:	2026-04-04

Load data for 146 loads in caliber .375 Hoelderlin with .375 | 200gr | MAKER TREX bullet and 73 powders such as ADI AR 2219, Accurate 2015, Accurate 2495, Alliant AR-Comp, Hodgdon H322. 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>>	97%	47529	86%	**35	95%
ADI AR 2207	<<locked>>	85%	48863	89%	**69	100%
[ADI AR 2208]*	<<locked>>	97%	40379	73%	**57	91%
ADI AR 2219 👍	<<locked>>	89%	49516	90%	**67	100%
ADI Benchmark 8208	<<locked>>	96%	49269	89%	**38	97%
Accurate 2015 👍	<<locked>>	94%	49356	90%	**12	100%
[Accurate 2200]*	<<locked>>	95%	49371	90%	**05	93%
Accurate 2230	<<locked>>	91%	48965	89%	**08	96%
Accurate 2460	<<locked>>	92%	49008	89%	**31	98%
Accurate 2495 👍	<<locked>>	97%	44947	82%	**35	100%
Accurate 2520	<<locked>>	97%	48312	88%	**74	98%
Accurate 4064	<<locked>>	97%	36796	67%	**77	97%
Alliant AR-Comp 👍	<<locked>>	97%	48008	87%	**71	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	97%	37652	68%	**64	93%
Alliant Reloder-10x	<<locked>>	91%	48979	89%	**25	100%
[Alliant Reloder-15]*	<<locked>>	97%	41829	76%	**40	92%
Alliant Reloder-7	<<locked>>	84%	48776	89%	**59	100%
Baschieri & Pellagri 106	<<locked>>	89%	49472	90%	**46	100%
[Baschieri & Pellagri 107]*	<<locked>>	97%	47645	86%	**31	93%
[Bofors RP3]*	<<locked>>	97%	36883	67%	**64	93%
Hodgdon BL-C2	<<locked>>	97%	48762	88%	**87	97%
Hodgdon Benchmark	<<locked>>	94%	49081	89%	**89	97%
Hodgdon H322 👍	<<locked>>	94%	49516	90%	**67	100%
Hodgdon H335	<<locked>>	89%	48921	89%	**58	99%
Hodgdon H4198	<<locked>>	86%	49226	89%	**53	99%
Hodgdon H4895	<<locked>>	97%	47747	87%	**41	96%
Hodgdon TrailBoss	<<locked>>	96%	30763	56%	**99	100%
IMR 3031	<<locked>>	97%	41002	74%	**72	99%
[IMR 4064]*	<<locked>>	97%	38957	71%	**31	91%
IMR 4198	<<locked>>	90%	49501	90%	**85	100%
[IMR 4895]*	<<locked>>	97%	42757	78%	**79	94%
IMR 8208 XBR	<<locked>>	96%	49269	89%	**38	97%
Lovex D073.4	<<locked>>	91%	49385	90%	**28	98%
Lovex D073.5	<<locked>>	92%	49530	90%	**35	98%
Lovex D073.6	<<locked>>	97%	44440	81%	**02	98%
Lovex S060	<<locked>>	97%	49400	90%	**82	95%
Lovex S062	<<locked>>	97%	40712	74%	**94	95%
Norma 200	<<locked>>	88%	49603	90%	**12	100%
Norma 201	<<locked>>	97%	45948	83%	**85	96%
Norma 202	<<locked>>	97%	45788	83%	**99	98%
[Norma 203B]*	<<locked>>	97%	40828	74%	**26	93%
[Ramshot Big Game]*	<<locked>>	97%	41321	75%	**36	92%
[Ramshot TAC]*	<<locked>>	95%	49414	90%	**12	92%
Ramshot Wild Boar	<<locked>>	97%	49559	90%	**67	95%
Ramshot X-Terminator	<<locked>>	92%	49023	89%	**95	95%
ReloadSwiss RS 14	<<locked>>	97%	31053	56%	**45	100%
ReloadSwiss RS 40	<<locked>>	92%	48892	89%	**28	98%
[ReloadSwiss RS 52]*	<<locked>>	97%	43395	79%	**35	93%
[ReloadSwiss RS 60]*	<<locked>>	97%	36709	67%	**71	93%
Rottweil R 901	<<locked>>	96%	49226	89%	**28	99%
Rottweil R 902	<<locked>>	97%	43671	79%	**30	96%
SNPE Vectan BA6 1/2	<<locked>>	84%	49313	89%	**20	100%
SNPE Vectan SP 10	<<locked>>	88%	49052	89%	**54	99%
[SNPE Vectan SP 7]*	<<locked>>	97%	48370	88%	**05	92%
[SNPE Vectan SP 9]*	<<locked>>	97%	45861	83%	**99	94%
SNPE Vectan Tubal 3000	<<locked>>	97%	49516	90%	**66	99%
SNPE Vectan Tubal 5000	<<locked>>	97%	39537	72%	**08	98%
Shooters World Match Rifle	<<locked>>	97%	44440	81%	**02	98%
Shooters World Precision	<<locked>>	97%	40712	74%	**94	95%
Shooters World Tactical Rifle	<<locked>>	89%	49298	89%	**89	96%
Somchem S321	<<locked>>	94%	49559	90%	**64	97%
Somchem S335	<<locked>>	97%	47805	87%	**66	99%
Somchem S341	<<locked>>	97%	48385	88%	**22	95%
[Somchem S355]*	<<locked>>	97%	35897	65%	**15	92%
Vihtavuori N120	<<locked>>	88%	49197	89%	**23	100%
Vihtavuori N130	<<locked>>	94%	49400	90%	**69	100%
Vihtavuori N133	<<locked>>	97%	45005	82%	**10	100%
Vihtavuori N135	<<locked>>	97%	34026	62%	**75	98%
Vihtavuori N140	<<locked>>	97%	42801	78%	**30	98%
Vihtavuori N530	<<locked>>	94%	49458	90%	**51	97%
Vihtavuori N540	<<locked>>	97%	42902	78%	**49	98%
Winchester 748	<<locked>>	94%	49603	90%	**07	98%
Winchester StaBALL Match	<<locked>>	92%	49588	90%	**84	96%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	87%	34142	62%	**49	90%
ADI AR 2207	<<locked>>	81%	42714	78%	**71	100%
[ADI AR 2208]*	<<locked>>	94%	37072	67%	**92	90%
ADI AR 2219	<<locked>>	81%	37782	69%	**44	98%
[ADI Benchmark 8208]*	<<locked>>	81%	30487	55%	**34	90%
Accurate 2015	<<locked>>	81%	32329	59%	**87	98%
[Accurate 2200]*	<<locked>>	89%	40248	73%	**28	90%
[Accurate 2230]*	<<locked>>	81%	33402	61%	**00	91%
[Accurate 2460]*	<<locked>>	81%	33025	60%	**16	93%
Accurate 2495	<<locked>>	81%	25831	47%	**95	95%
[Accurate 2520]*	<<locked>>	81%	27093	49%	**05	91%
[Accurate 4064]*	<<locked>>	83%	23061	42%	**97	90%
Alliant AR-Comp	<<locked>>	81%	28340	51%	**64	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	91%	31662	57%	**20	90%
Alliant Reloder-10x	<<locked>>	81%	35636	65%	**69	99%
[Alliant Reloder-15]*	<<locked>>	92%	36027	65%	**15	90%
Alliant Reloder-7	<<locked>>	81%	43888	80%	**74	100%
Baschieri & Pellagri 106	<<locked>>	81%	38696	70%	**59	98%
[Baschieri & Pellagri 107]*	<<locked>>	91%	38972	71%	**61	90%
[Bofors RP3]*	<<locked>>	92%	31053	56%	**26	90%
[Hodgdon BL-C2]*	<<locked>>	84%	30792	56%	**00	90%
[Hodgdon Benchmark]*	<<locked>>	81%	32866	60%	**54	92%
Hodgdon H322	<<locked>>	81%	31981	58%	**07	96%
Hodgdon H335	<<locked>>	81%	36854	67%	**25	96%
Hodgdon H4198	<<locked>>	81%	41858	76%	**15	98%
[Hodgdon H4895]*	<<locked>>	85%	32750	59%	**26	90%
Hodgdon TrailBoss	<<locked>>	81%	24453	44%	**62	100%
[IMR 3031]*	<<locked>>	81%	24787	45%	**49	93%
[IMR 4064]*	<<locked>>	94%	36085	65%	**66	90%
IMR 4198	<<locked>>	81%	37623	68%	**75	100%
[IMR 4895]*	<<locked>>	90%	34258	62%	**92	90%
[IMR 8208 XBR]*	<<locked>>	81%	30487	55%	**34	90%
[Lovex D073.4]*	<<locked>>	81%	34679	63%	**36	94%
[Lovex D073.5]*	<<locked>>	81%	32895	60%	**07	93%
[Lovex D073.6]*	<<locked>>	81%	25715	47%	**65	90%
[Lovex S060]*	<<locked>>	85%	34635	63%	**84	90%
[Lovex S062]*	<<locked>>	88%	30356	55%	**54	90%
Norma 200	<<locked>>	81%	40480	73%	**54	100%
[Norma 201]*	<<locked>>	83%	29805	54%	**25	90%
[Norma 202]*	<<locked>>	81%	27441	50%	**85	92%
[Norma 203B]*	<<locked>>	91%	34113	62%	**82	90%
[Ramshot Big Game]*	<<locked>>	93%	36941	67%	**31	90%
[Ramshot TAC]*	<<locked>>	92%	44193	80%	**20	90%
[Ramshot Wild Boar]*	<<locked>>	86%	34534	63%	**66	90%
[Ramshot X-Terminator]*	<<locked>>	82%	34940	63%	**16	90%
ReloadSwiss RS 14	<<locked>>	81%	24265	44%	**94	100%
[ReloadSwiss RS 40]*	<<locked>>	81%	34374	62%	**43	94%
[ReloadSwiss RS 52]*	<<locked>>	92%	37347	68%	**97	90%
[ReloadSwiss RS 60]*	<<locked>>	93%	31966	58%	**36	90%
[Rottweil R 901]*	<<locked>>	81%	30922	56%	**44	94%
[Rottweil R 902]*	<<locked>>	85%	30182	55%	**21	90%
SNPE Vectan BA6 1/2	<<locked>>	81%	44976	82%	**61	100%
SNPE Vectan SP 10	<<locked>>	81%	38203	69%	**48	97%
[SNPE Vectan SP 7]*	<<locked>>	92%	41800	76%	**84	90%
[SNPE Vectan SP 9]*	<<locked>>	88%	34969	63%	**62	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	29950	54%	**72	94%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	24134	44%	**18	92%
[Shooters World Match Rifle]*	<<locked>>	81%	25715	47%	**65	90%
[Shooters World Precision]*	<<locked>>	88%	30356	55%	**54	90%
[Shooters World Tactical Rifle]*	<<locked>>	81%	36506	66%	**46	92%
[Somchem S321]*	<<locked>>	81%	31952	58%	**03	92%
[Somchem S335]*	<<locked>>	81%	29182	53%	**72	94%
[Somchem S341]*	<<locked>>	88%	35230	64%	**56	90%
[Somchem S355]*	<<locked>>	94%	32837	60%	**36	90%
Vihtavuori N120	<<locked>>	81%	39827	72%	**72	100%
Vihtavuori N130	<<locked>>	81%	33431	61%	**74	99%
Vihtavuori N133	<<locked>>	81%	27702	50%	**36	96%
[Vihtavuori N135]*	<<locked>>	81%	20769	38%	**72	91%
[Vihtavuori N140]*	<<locked>>	81%	25802	47%	**16	92%
[Vihtavuori N530]*	<<locked>>	81%	31734	58%	**80	91%
[Vihtavuori N540]*	<<locked>>	81%	25338	46%	**16	91%
[Winchester 748]*	<<locked>>	81%	31198	57%	**07	92%
[Winchester StaBALL Match]*	<<locked>>	81%	32967	60%	**33	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.

<<locked>>... you need to buy an access license to unlock the data