Load data for .25 WSSM + .257 | 90gr | Hornady GMX

Recommended Powder(s): ADI AR 2206H, Hodgdon BL-C2, Lovex D073.6, Ramshot Wild Boar, ReloadSwiss RS 52

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.257 \| 90gr \| Hornady GMX
Manufacturer SKU:	22410
Bullet Weight:	90gr \| 5.8g
Bullet Diameter:	0.257" \| 6.53mm
Bullet Length:	1.220" \| 31.0mm
Caliber:	.25 WSSM load data
Case Length (l3):	1.670" \| 42.4mm
Cartridge Length (C.O.L.):	2.325" \| 59.0mm
Seated Depth:	0.565" \| 14.4mm
Shank Seated Depth:	0.506" \| 12.8mm
Case Capacity:	54.3 Grains of Water \| 3.53 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	63817 psi \| 4400 bar
LID:	LID_B2565_C206
Last updated:	2025-01-01
Recommended Twist Rate:	1:9 - 1:7

Load data for 192 loads in caliber .25 WSSM with .257 | 90gr | Hornady GMX bullet and 96 powders such as ADI AR 2206H, Hodgdon BL-C2, Lovex D073.6, Ramshot Wild Boar, 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".

Go to the bottom of the "My Account " 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. 33.2 fps
C.O.L. (Inch)
C.O.L. (mm)
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.
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>>	93%	57406	90%	**48	99%
ADI AR 2208	<<locked>>	97%	54143	85%	**66	98%
ADI AR 2219	<<locked>>	84%	56536	89%	**05	100%
Accurate 2015	<<locked>>	89%	57029	89%	**43	100%
Accurate 2200	<<locked>>	91%	57261	90%	**02	98%
Accurate 2230	<<locked>>	86%	56188	88%	**69	99%
Accurate 2460	<<locked>>	87%	57145	90%	**86	100%
Accurate 2495	<<locked>>	92%	56028	88%	**09	100%
Accurate 2520	<<locked>>	91%	57145	90%	**32	100%
[Accurate 2700]*	<<locked>>	97%	53505	84%	**68	93%
Accurate 4064	<<locked>>	97%	54868	86%	**99	100%
[Accurate 4350]*	<<locked>>	97%	40190	63%	**82	94%
Alliant AR-Comp	<<locked>>	91%	56782	89%	**99	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	53403	84%	**92	99%
Alliant Reloder-10x	<<locked>>	86%	56275	88%	**50	100%
Alliant Reloder-15	<<locked>>	96%	56260	88%	**48	99%
[Alliant Reloder-16]*	<<locked>>	96%	40654	64%	**79	94%
Alliant Reloder-17	<<locked>>	97%	46789	73%	**59	98%
Baschieri & Pellagri 106	<<locked>>	85%	56768	89%	**91	100%
Baschieri & Pellagri 107	<<locked>>	93%	56782	89%	**41	98%
Hodgdon BL-C2 👍	<<locked>>	91%	56231	88%	**55	100%
Hodgdon Benchmark	<<locked>>	90%	56536	89%	**56	100%
Hodgdon CFE223	<<locked>>	96%	56289	88%	**78	98%
Hodgdon H322	<<locked>>	89%	56536	89%	**05	100%
Hodgdon H335	<<locked>>	84%	56768	89%	**12	100%
Hodgdon H380	<<locked>>	96%	54534	85%	**99	97%
[Hodgdon H414]*	<<locked>>	96%	48327	76%	**27	93%
Hodgdon H4198	<<locked>>	83%	56405	88%	**04	100%
Hodgdon Hybrid 100V	<<locked>>	97%	37434	59%	**71	95%
Hodgdon LVR	<<locked>>	97%	45005	71%	**64	95%
Hodgdon VARGET	<<locked>>	97%	53461	84%	**56	98%
Hodgdon TrailBoss	<<locked>>	96%	32837	51%	**26	100%
IMR 3031	<<locked>>	96%	56666	89%	**48	100%
IMR 4064	<<locked>>	96%	51735	81%	**17	98%
[IMR 4166 Enduron]*	<<locked>>	97%	53171	83%	**94	94%
IMR 4198	<<locked>>	86%	56347	88%	**07	100%
[IMR 4451 Enduron]*	<<locked>>	97%	50459	79%	**77	93%
[IMR 4831]*	<<locked>>	97%	34911	55%	**31	92%
IMR 4895	<<locked>>	95%	56623	89%	**64	99%
IMR 8208 XBR	<<locked>>	91%	56376	88%	**96	100%
Lovex D073.4	<<locked>>	85%	56507	89%	**73	100%
Lovex D073.5	<<locked>>	87%	57145	90%	**86	100%
Lovex D073.6 👍	<<locked>>	93%	57145	90%	**32	100%
Lovex S060	<<locked>>	93%	56927	89%	**59	99%
Lovex S062	<<locked>>	96%	55869	88%	**96	100%
[Lovex S065]*	<<locked>>	97%	46282	73%	**09	94%
[Lovex S070]*	<<locked>>	97%	44092	69%	**76	92%
Norma 201	<<locked>>	93%	56492	89%	**96	100%
Norma 202	<<locked>>	93%	56449	88%	**02	100%
Norma 203B	<<locked>>	97%	56637	89%	**58	99%
[Norma URP]*	<<locked>>	97%	41379	65%	**92	94%
Ramshot Big Game	<<locked>>	96%	57043	89%	**74	99%
Ramshot TAC	<<locked>>	90%	55869	88%	**76	97%
Ramshot Wild Boar 👍	<<locked>>	91%	56521	89%	**32	99%
Ramshot X-Terminator	<<locked>>	88%	56724	89%	**76	99%
ReloadSwiss RS 14	<<locked>>	95%	32750	51%	**65	100%
ReloadSwiss RS 40	<<locked>>	87%	57029	89%	**99	100%
ReloadSwiss RS 50	<<locked>>	97%	56159	88%	**89	96%
ReloadSwiss RS 52 👍	<<locked>>	96%	55376	87%	**74	100%
ReloadSwiss RS 60	<<locked>>	97%	45759	72%	**46	98%
[ReloadSwiss RS 62]*	<<locked>>	97%	40524	64%	**99	93%
[ReloadSwiss RS 70]*	<<locked>>	96%	41466	65%	**05	92%
Rottweil R 901	<<locked>>	91%	56376	88%	**73	100%
Rottweil R 902	<<locked>>	96%	57392	90%	**99	100%
Rottweil R 903	<<locked>>	97%	50241	79%	**36	99%
[Rottweil R 907]*	<<locked>>	97%	48733	76%	**38	92%
SNPE Vectan SP 10	<<locked>>	84%	56826	89%	**12	100%
SNPE Vectan SP 11	<<locked>>	96%	51111	80%	**79	98%
SNPE Vectan SP 7	<<locked>>	92%	56623	89%	**99	97%
SNPE Vectan SP 9	<<locked>>	94%	56768	89%	**28	99%
SNPE Vectan Tubal 3000	<<locked>>	92%	56826	89%	**23	100%
SNPE Vectan Tubal 5000	<<locked>>	97%	53925	84%	**71	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	97%	46151	72%	**59	92%
[Shooters World Long Rifle]*	<<locked>>	97%	46282	73%	**09	94%
Shooters World Match Rifle	<<locked>>	93%	57145	90%	**32	100%
Shooters World Precision	<<locked>>	96%	55869	88%	**96	100%
Shooters World Tactical Rifle	<<locked>>	85%	56246	88%	**50	99%
Somchem S321	<<locked>>	88%	56449	88%	**19	100%
Somchem S335	<<locked>>	93%	56289	88%	**27	100%
Somchem S341	<<locked>>	92%	56855	89%	**05	99%
Somchem S355	<<locked>>	97%	50995	80%	**40	99%
Somchem S365	<<locked>>	97%	36593	57%	**23	96%
Vihtavuori N120	<<locked>>	84%	56956	89%	**38	100%
Vihtavuori N130	<<locked>>	89%	57000	89%	**97	100%
Vihtavuori N133	<<locked>>	95%	56942	89%	**17	100%
Vihtavuori N135	<<locked>>	97%	48341	76%	**48	100%
Vihtavuori N140	<<locked>>	96%	56971	89%	**79	100%
Vihtavuori N150	<<locked>>	97%	42960	67%	**56	98%
Vihtavuori N160	<<locked>>	96%	44933	70%	**25	95%
Vihtavuori N530	<<locked>>	89%	57058	89%	**19	100%
Vihtavuori N540	<<locked>>	95%	56217	88%	**96	100%
Vihtavuori N550	<<locked>>	96%	44991	70%	**71	95%
Winchester 6.5 StaBALL	<<locked>>	97%	44701	70%	**89	97%
Winchester 748	<<locked>>	89%	56724	89%	**51	100%
[Winchester 760]*	<<locked>>	96%	48327	76%	**27	93%
Winchester StaBALL Match	<<locked>>	87%	56536	89%	**35	99%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	39059	61%	**84	95%
[ADI AR 2208]*	<<locked>>	81%	33359	52%	**20	92%
ADI AR 2219	<<locked>>	81%	51561	81%	**23	100%
Accurate 2015	<<locked>>	81%	44005	69%	**36	100%
[Accurate 2200]*	<<locked>>	81%	41481	65%	**97	94%
Accurate 2230	<<locked>>	81%	46688	73%	**12	98%
Accurate 2460	<<locked>>	81%	46282	73%	**12	99%
Accurate 2495	<<locked>>	81%	39044	61%	**07	100%
Accurate 2520	<<locked>>	81%	40089	63%	**20	99%
[Accurate 2700]*	<<locked>>	91%	43569	68%	**81	90%
Accurate 4064	<<locked>>	81%	32837	51%	**56	98%
[Accurate 4350]*	<<locked>>	90%	31966	50%	**76	90%
Alliant AR-Comp	<<locked>>	81%	39871	62%	**27	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	31952	50%	**30	94%
Alliant Reloder-10x	<<locked>>	81%	47877	75%	**15	100%
[Alliant Reloder-15]*	<<locked>>	81%	34795	55%	**99	93%
[Alliant Reloder-16]*	<<locked>>	90%	33315	52%	**82	90%
[Alliant Reloder-17]*	<<locked>>	83%	29921	47%	**07	90%
Baschieri & Pellagri 106	<<locked>>	81%	49995	78%	**86	100%
[Baschieri & Pellagri 107]*	<<locked>>	81%	37840	59%	**71	93%
Hodgdon BL-C2	<<locked>>	81%	39827	62%	**40	97%
Hodgdon Benchmark	<<locked>>	81%	43337	68%	**20	98%
[Hodgdon CFE223]*	<<locked>>	81%	33547	53%	**85	91%
Hodgdon H322	<<locked>>	81%	43671	68%	**79	100%
Hodgdon H335	<<locked>>	81%	50662	79%	**14	100%
[Hodgdon H380]*	<<locked>>	82%	33504	53%	**43	90%
[Hodgdon H414]*	<<locked>>	92%	41191	65%	**72	90%
Hodgdon H4198	<<locked>>	81%	52837	83%	**51	100%
[Hodgdon Hybrid 100V]*	<<locked>>	88%	28964	45%	**35	90%
[Hodgdon LVR]*	<<locked>>	89%	34998	55%	**18	90%
[Hodgdon VARGET]*	<<locked>>	81%	32996	52%	**07	92%
Hodgdon TrailBoss	<<locked>>	81%	26281	41%	**72	100%
IMR 3031	<<locked>>	81%	34679	54%	**31	99%
[IMR 4064]*	<<locked>>	81%	32663	51%	**94	92%
[IMR 4166 Enduron]*	<<locked>>	88%	40437	63%	**38	90%
IMR 4198	<<locked>>	81%	48849	77%	**92	100%
[IMR 4451 Enduron]*	<<locked>>	90%	41176	65%	**84	90%
[IMR 4831]*	<<locked>>	94%	31908	50%	**43	90%
[IMR 4895]*	<<locked>>	81%	35650	56%	**35	94%
IMR 8208 XBR	<<locked>>	81%	41104	64%	**04	97%
Lovex D073.4	<<locked>>	81%	47993	75%	**25	99%
Lovex D073.5	<<locked>>	81%	46282	73%	**12	99%
Lovex D073.6	<<locked>>	81%	37275	58%	**64	98%
Lovex S060	<<locked>>	81%	39827	62%	**31	96%
Lovex S062	<<locked>>	81%	34461	54%	**59	95%
[Lovex S065]*	<<locked>>	88%	35462	56%	**66	90%
[Lovex S070]*	<<locked>>	93%	39102	61%	**74	90%
Norma 201	<<locked>>	81%	38218	60%	**41	97%
Norma 202	<<locked>>	81%	37985	60%	**54	99%
[Norma 203B]*	<<locked>>	81%	34055	53%	**82	93%
[Norma URP]*	<<locked>>	90%	32880	52%	**79	90%
[Ramshot Big Game]*	<<locked>>	81%	33852	53%	**92	93%
[Ramshot TAC]*	<<locked>>	81%	41191	65%	**94	93%
Ramshot Wild Boar	<<locked>>	81%	40132	63%	**20	96%
Ramshot X-Terminator	<<locked>>	81%	44498	70%	**56	97%
ReloadSwiss RS 14	<<locked>>	81%	26266	41%	**11	100%
ReloadSwiss RS 40	<<locked>>	81%	46398	73%	**22	99%
[ReloadSwiss RS 50]*	<<locked>>	85%	38261	60%	**35	90%
ReloadSwiss RS 52	<<locked>>	81%	32764	51%	**89	95%
[ReloadSwiss RS 60]*	<<locked>>	83%	29211	46%	**87	91%
[ReloadSwiss RS 62]*	<<locked>>	91%	33721	53%	**22	90%
[ReloadSwiss RS 70]*	<<locked>>	94%	37971	59%	**10	90%
Rottweil R 901	<<locked>>	81%	42177	66%	**17	99%
Rottweil R 902	<<locked>>	81%	36390	57%	**89	96%
[Rottweil R 903]*	<<locked>>	81%	29646	46%	**57	92%
[Rottweil R 907]*	<<locked>>	93%	42395	66%	**13	90%
SNPE Vectan SP 10	<<locked>>	81%	52069	82%	**33	100%
[SNPE Vectan SP 11]*	<<locked>>	81%	31169	49%	**10	91%
[SNPE Vectan SP 7]*	<<locked>>	81%	39088	61%	**54	93%
SNPE Vectan SP 9	<<locked>>	81%	37884	59%	**54	95%
SNPE Vectan Tubal 3000	<<locked>>	81%	39987	63%	**22	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	32924	52%	**67	98%
[SNPE Vectan Tubal 7000]*	<<locked>>	93%	39508	62%	**22	90%
[Shooters World Long Rifle]*	<<locked>>	88%	35462	56%	**66	90%
Shooters World Match Rifle	<<locked>>	81%	37275	58%	**64	98%
Shooters World Precision	<<locked>>	81%	34461	54%	**59	95%
Shooters World Tactical Rifle	<<locked>>	81%	49052	77%	**31	99%
Somchem S321	<<locked>>	81%	43888	69%	**86	98%
Somchem S335	<<locked>>	81%	39320	62%	**22	99%
Somchem S341	<<locked>>	81%	38609	61%	**58	95%
[Somchem S355]*	<<locked>>	81%	30647	48%	**71	92%
[Somchem S365]*	<<locked>>	87%	26643	42%	**12	90%
Vihtavuori N120	<<locked>>	81%	51895	81%	**59	100%
Vihtavuori N130	<<locked>>	81%	44135	69%	**94	100%
Vihtavuori N133	<<locked>>	81%	37434	59%	**72	100%
Vihtavuori N135	<<locked>>	81%	29776	47%	**48	98%
Vihtavuori N140	<<locked>>	81%	35897	56%	**89	98%
[Vihtavuori N150]*	<<locked>>	81%	26078	41%	**20	92%
[Vihtavuori N160]*	<<locked>>	87%	33228	52%	**43	90%
Vihtavuori N530	<<locked>>	81%	42989	67%	**63	98%
Vihtavuori N540	<<locked>>	81%	35462	56%	**95	98%
[Vihtavuori N550]*	<<locked>>	87%	32518	51%	**69	90%
[Winchester 6.5 StaBALL]*	<<locked>>	83%	28921	45%	**79	90%
Winchester 748	<<locked>>	81%	42989	67%	**09	99%
[Winchester 760]*	<<locked>>	92%	41191	65%	**72	90%
Winchester StaBALL Match	<<locked>>	81%	45847	72%	**48	98%

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.