Load data for .255 GS + .257 | 60gr | Hornady InterLock FP

Recommended Powder(s): Accurate 2520, Hodgdon H322, IMR 3031, Lovex D073.6, Shooters World Match Rifle

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.257 \| 60gr \| Hornady InterLock FP
Manufacturer SKU:	2510
Bullet Weight:	60gr \| 3.9g
Bullet Diameter:	0.257" \| 6.53mm
Bullet Length:	0.505" \| 12.8mm
Caliber:	.255 GS load data
Case Length (l3):	2.165" \| 55.0mm
Cartridge Length (C.O.L.):	2.548" \| 64.7mm
Seated Depth:	0.122" \| 3.1mm
Shank Seated Depth:	0.122" \| 3.1mm
Case Capacity:	62.0 Grains of Water \| 4.03 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	63817 psi \| 4400 bar
LID:	LID_B2561_C229
Last updated:	2025-01-01

Load data for 160 loads in caliber .255 GS with .257 | 60gr | Hornady InterLock FP bullet and 80 powders such as Accurate 2520, Hodgdon H322, IMR 3031, Lovex D073.6, 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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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>>	94%	57319	90%	**78	97%
ADI AR 2208	<<locked>>	97%	52924	83%	**63	96%
ADI AR 2219	<<locked>>	85%	57174	90%	**65	100%
Accurate 2015	<<locked>>	90%	57101	89%	**06	100%
Accurate 2200	<<locked>>	91%	57261	90%	**29	96%
Accurate 2230	<<locked>>	87%	56710	89%	**96	98%
Accurate 2460	<<locked>>	87%	56898	89%	**29	99%
Accurate 2495	<<locked>>	93%	56927	89%	**81	100%
Accurate 2520 👍	<<locked>>	91%	56405	88%	**58	99%
Accurate 4064	<<locked>>	97%	54012	85%	**16	100%
Alliant AR-Comp	<<locked>>	92%	56347	88%	**58	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	52765	83%	**89	97%
Alliant Reloder-10x	<<locked>>	88%	57203	90%	**35	100%
Alliant Reloder-15	<<locked>>	96%	56478	89%	**68	97%
Alliant Reloder-17	<<locked>>	97%	47050	74%	**47	95%
Baschieri & Pellagri 106	<<locked>>	85%	56811	89%	**14	100%
Baschieri & Pellagri 107	<<locked>>	93%	56521	89%	**62	96%
Hodgdon BL-C2	<<locked>>	91%	56260	88%	**62	98%
Hodgdon Benchmark	<<locked>>	91%	57014	89%	**02	99%
Hodgdon CFE223	<<locked>>	97%	57406	90%	**98	96%
Hodgdon H322 👍	<<locked>>	90%	57174	90%	**65	100%
Hodgdon H335	<<locked>>	85%	56608	89%	**42	100%
Hodgdon H380	<<locked>>	97%	54969	86%	**06	95%
Hodgdon H4198	<<locked>>	84%	57159	90%	**89	100%
Hodgdon VARGET	<<locked>>	97%	52634	82%	**47	96%
Hodgdon TrailBoss	<<locked>>	95%	31894	50%	**44	100%
IMR 3031 👍	<<locked>>	97%	56768	89%	**14	100%
IMR 4064	<<locked>>	97%	51735	81%	**30	96%
IMR 4198	<<locked>>	87%	56724	89%	**93	100%
IMR 4895	<<locked>>	96%	56811	89%	**91	97%
IMR 8208 XBR	<<locked>>	92%	57203	90%	**48	98%
Lovex D073.4	<<locked>>	86%	56739	89%	**02	99%
Lovex D073.5	<<locked>>	87%	56536	89%	**09	99%
Lovex D073.6 👍	<<locked>>	94%	57203	90%	**71	100%
Lovex S060	<<locked>>	93%	57159	90%	**02	97%
Lovex S062	<<locked>>	97%	55811	87%	**16	98%
Norma 200	<<locked>>	83%	56826	89%	**99	100%
Norma 201	<<locked>>	94%	56768	89%	**45	98%
Norma 202	<<locked>>	94%	57174	90%	**55	100%
Norma 203B	<<locked>>	97%	56695	89%	**88	97%
Ramshot Big Game	<<locked>>	97%	56753	89%	**88	97%
Ramshot TAC	<<locked>>	91%	57276	90%	**06	95%
Ramshot Wild Boar	<<locked>>	92%	57246	90%	**65	97%
Ramshot X-Terminator	<<locked>>	89%	56826	89%	**96	97%
ReloadSwiss RS 14	<<locked>>	97%	32677	51%	**10	100%
ReloadSwiss RS 40	<<locked>>	88%	57087	89%	**48	99%
[ReloadSwiss RS 50]*	<<locked>>	97%	56101	88%	**89	93%
ReloadSwiss RS 52	<<locked>>	97%	55376	87%	**94	99%
ReloadSwiss RS 60	<<locked>>	97%	46021	72%	**30	96%
Rottweil R 901	<<locked>>	92%	56695	89%	**29	100%
Rottweil R 902	<<locked>>	96%	57072	89%	**29	98%
Rottweil R 903	<<locked>>	97%	48878	77%	**01	96%
SNPE Vectan BA6 1/2	<<locked>>	84%	57348	90%	**07	100%
SNPE Vectan SP 10	<<locked>>	85%	57174	90%	**62	100%
SNPE Vectan SP 11	<<locked>>	97%	51082	80%	**73	96%
SNPE Vectan SP 7	<<locked>>	92%	56463	88%	**06	95%
SNPE Vectan SP 9	<<locked>>	94%	56637	89%	**52	97%
SNPE Vectan Tubal 3000	<<locked>>	93%	57305	90%	**63	100%
SNPE Vectan Tubal 5000	<<locked>>	97%	52808	83%	**71	100%
Shooters World Match Rifle 👍	<<locked>>	94%	57203	90%	**71	100%
Shooters World Precision	<<locked>>	97%	55811	87%	**16	98%
Shooters World Tactical Rifle	<<locked>>	86%	57377	90%	**09	98%
Somchem S321	<<locked>>	89%	57159	90%	**52	99%
Somchem S335	<<locked>>	93%	56927	89%	**63	100%
Somchem S341	<<locked>>	92%	56797	89%	**22	97%
Somchem S355	<<locked>>	97%	50082	78%	**14	96%
[Somchem S365]*	<<locked>>	97%	35955	56%	**32	93%
Vihtavuori N120	<<locked>>	85%	56565	89%	**04	100%
Vihtavuori N130	<<locked>>	90%	56753	89%	**66	100%
Vihtavuori N133	<<locked>>	96%	57217	90%	**80	100%
Vihtavuori N135	<<locked>>	97%	47500	74%	**45	100%
Vihtavuori N140	<<locked>>	96%	57421	90%	**29	100%
Vihtavuori N150	<<locked>>	97%	42192	66%	**10	96%
[Vihtavuori N160]*	<<locked>>	97%	44730	70%	**79	92%
Vihtavuori N530	<<locked>>	90%	56753	89%	**55	98%
Vihtavuori N540	<<locked>>	96%	57232	90%	**42	100%
[Vihtavuori N550]*	<<locked>>	97%	45295	71%	**52	92%
Winchester 6.5 StaBALL	<<locked>>	97%	43932	69%	**10	95%
Winchester 748	<<locked>>	89%	57101	89%	**04	99%
Winchester StaBALL Match	<<locked>>	87%	56724	89%	**62	98%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	37753	59%	**06	91%
[ADI AR 2208]*	<<locked>>	86%	37434	59%	**69	90%
ADI AR 2219	<<locked>>	81%	50038	78%	**40	100%
Accurate 2015	<<locked>>	81%	42786	67%	**17	100%
[Accurate 2200]*	<<locked>>	81%	40132	63%	**38	90%
Accurate 2230	<<locked>>	81%	45136	71%	**56	95%
Accurate 2460	<<locked>>	81%	45556	71%	**86	97%
Accurate 2495	<<locked>>	81%	37507	59%	**55	99%
Accurate 2520	<<locked>>	81%	38624	61%	**58	96%
[Accurate 4064]*	<<locked>>	81%	31517	49%	**48	94%
Alliant AR-Comp	<<locked>>	81%	38334	60%	**04	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	83%	32880	52%	**91	90%
Alliant Reloder-10x	<<locked>>	81%	46499	73%	**25	100%
[Alliant Reloder-15]*	<<locked>>	84%	36941	58%	**99	90%
[Alliant Reloder-17]*	<<locked>>	90%	36622	57%	**28	90%
Baschieri & Pellagri 106	<<locked>>	81%	49603	78%	**89	100%
[Baschieri & Pellagri 107]*	<<locked>>	83%	39378	62%	**61	91%
[Hodgdon BL-C2]*	<<locked>>	81%	38856	61%	**58	94%
Hodgdon Benchmark	<<locked>>	81%	42235	66%	**81	96%
[Hodgdon CFE223]*	<<locked>>	87%	39871	62%	**81	90%
Hodgdon H322	<<locked>>	81%	42105	66%	**56	98%
Hodgdon H335	<<locked>>	81%	49763	78%	**20	99%
[Hodgdon H380]*	<<locked>>	88%	40756	64%	**78	90%
Hodgdon H4198	<<locked>>	81%	51184	80%	**81	100%
[Hodgdon VARGET]*	<<locked>>	86%	37681	59%	**89	90%
Hodgdon TrailBoss	<<locked>>	81%	25367	40%	**54	100%
IMR 3031	<<locked>>	81%	33127	52%	**56	96%
[IMR 4064]*	<<locked>>	86%	36376	57%	**46	90%
IMR 4198	<<locked>>	81%	46978	74%	**09	100%
[IMR 4895]*	<<locked>>	82%	35665	56%	**86	90%
[IMR 8208 XBR]*	<<locked>>	81%	39769	62%	**55	94%
Lovex D073.4	<<locked>>	81%	47137	74%	**06	97%
Lovex D073.5	<<locked>>	81%	45237	71%	**83	97%
Lovex D073.6	<<locked>>	81%	35926	56%	**76	95%
[Lovex S060]*	<<locked>>	81%	38551	60%	**66	92%
[Lovex S062]*	<<locked>>	81%	32996	52%	**58	91%
Norma 200	<<locked>>	81%	52837	83%	**27	100%
[Norma 201]*	<<locked>>	81%	36985	58%	**76	93%
Norma 202	<<locked>>	81%	37130	58%	**96	96%
[Norma 203B]*	<<locked>>	83%	35520	56%	**66	90%
[Ramshot Big Game]*	<<locked>>	84%	36477	57%	**86	90%
[Ramshot TAC]*	<<locked>>	83%	43120	68%	**04	90%
[Ramshot Wild Boar]*	<<locked>>	81%	38972	61%	**45	92%
[Ramshot X-Terminator]*	<<locked>>	81%	43613	68%	**07	94%
ReloadSwiss RS 14	<<locked>>	81%	25483	40%	**03	100%
ReloadSwiss RS 40	<<locked>>	81%	45063	71%	**99	97%
[ReloadSwiss RS 50]*	<<locked>>	92%	46775	73%	**79	90%
[ReloadSwiss RS 52]*	<<locked>>	81%	31633	50%	**71	90%
[ReloadSwiss RS 60]*	<<locked>>	90%	35578	56%	**06	91%
Rottweil R 901	<<locked>>	81%	40756	64%	**78	97%
[Rottweil R 902]*	<<locked>>	81%	35215	55%	**01	92%
[Rottweil R 903]*	<<locked>>	85%	33170	52%	**84	90%
SNPE Vectan BA6 1/2	<<locked>>	81%	53417	84%	**45	100%
SNPE Vectan SP 10	<<locked>>	81%	50343	79%	**27	99%
[SNPE Vectan SP 11]*	<<locked>>	86%	36129	57%	**79	90%
[SNPE Vectan SP 7]*	<<locked>>	83%	41191	65%	**58	90%
[SNPE Vectan SP 9]*	<<locked>>	81%	36550	57%	**60	91%
SNPE Vectan Tubal 3000	<<locked>>	81%	38551	60%	**63	97%
SNPE Vectan Tubal 5000	<<locked>>	81%	31372	49%	**56	95%
Shooters World Match Rifle	<<locked>>	81%	35926	56%	**76	95%
[Shooters World Precision]*	<<locked>>	81%	32996	52%	**58	91%
Shooters World Tactical Rifle	<<locked>>	81%	47761	75%	**02	96%
Somchem S321	<<locked>>	81%	43236	68%	**47	96%
Somchem S335	<<locked>>	81%	38247	60%	**63	97%
[Somchem S341]*	<<locked>>	81%	37942	59%	**79	91%
[Somchem S355]*	<<locked>>	85%	33750	53%	**91	90%
[Somchem S365]*	<<locked>>	94%	32634	51%	**07	90%
Vihtavuori N120	<<locked>>	81%	50575	79%	**02	100%
Vihtavuori N130	<<locked>>	81%	42917	67%	**88	100%
Vihtavuori N133	<<locked>>	81%	35940	56%	**17	98%
Vihtavuori N135	<<locked>>	81%	28210	44%	**30	95%
Vihtavuori N140	<<locked>>	81%	34519	54%	**97	95%
[Vihtavuori N150]*	<<locked>>	86%	29994	47%	**46	90%
[Vihtavuori N160]*	<<locked>>	93%	39914	63%	**55	90%
Vihtavuori N530	<<locked>>	81%	42032	66%	**27	95%
Vihtavuori N540	<<locked>>	81%	34127	53%	**10	95%
[Vihtavuori N550]*	<<locked>>	94%	40161	63%	**14	90%
[Winchester 6.5 StaBALL]*	<<locked>>	90%	35056	55%	**58	90%
Winchester 748	<<locked>>	81%	42206	66%	**83	96%
Winchester StaBALL Match	<<locked>>	81%	45498	71%	**19	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.