Load data for .256 Mag. Gibbs + .257 | 80gr | CutEdge ESP Raptor

Recommended Powder(s): Accurate 4064, Lovex D073.6, Norma 202, Shooters World Match Rifle

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.257 \| 80gr \| CutEdge ESP Raptor
Manufacturer SKU:	ESP I80 RAPTOR WoT
Bullet Weight:	80gr \| 5.2g
Bullet Diameter:	0.257" \| 6.53mm
Bullet Length:	0.949" \| 24.1mm
Caliber:	.256 Mag. Gibbs load data
Case Length (l3):	2.173" \| 55.2mm
Cartridge Length (C.O.L.):	3.000" \| 76.2mm
Seated Depth:	0.122" \| 3.1mm
Shank Seated Depth:	0.122" \| 3.1mm
Case Capacity:	56.0 Grains of Water \| 3.64 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	49313 psi \| 3400 bar
LID:	LID_B8418_C231
Last updated:	2025-02-02

Load data for 112 loads in caliber .256 Mag. Gibbs with .257 | 80gr | CutEdge ESP Raptor bullet and 56 powders such as Accurate 4064, Lovex D073.6, Norma 202, 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".

Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric)
No data yet
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>>	84%	43990	89%	**92	96%
ADI AR 2208	<<locked>>	89%	43584	88%	**63	95%
Accurate 2495	<<locked>>	84%	43395	88%	**92	100%
Accurate 4064 👍	<<locked>>	89%	43888	89%	**09	100%
[Accurate 4350]*	<<locked>>	97%	42540	86%	**22	94%
Alliant Reloder- TS 15.5	<<locked>>	90%	44193	90%	**15	97%
Alliant Reloder-15	<<locked>>	87%	43569	88%	**02	96%
[Alliant Reloder-16]*	<<locked>>	97%	42540	86%	**28	94%
Alliant Reloder-17	<<locked>>	93%	43613	88%	**78	97%
Baschieri & Pellagri 107	<<locked>>	84%	43874	89%	**96	95%
Hodgdon CFE223	<<locked>>	88%	43482	88%	**32	95%
[Hodgdon H380]*	<<locked>>	89%	43932	89%	**96	94%
Hodgdon Hybrid 100V	<<locked>>	96%	38348	78%	**77	95%
[Hodgdon LVR]*	<<locked>>	95%	44280	90%	**41	94%
Hodgdon VARGET	<<locked>>	89%	43932	89%	**69	95%
Hodgdon TrailBoss	<<locked>>	96%	32518	66%	**03	100%
IMR 3031	<<locked>>	88%	44338	90%	**51	100%
IMR 4064	<<locked>>	90%	44266	90%	**69	96%
IMR 4895	<<locked>>	86%	43787	89%	**19	96%
Lovex D073.6 👍	<<locked>>	85%	44150	90%	**02	99%
Lovex S060	<<locked>>	84%	43932	89%	**23	96%
Lovex S062	<<locked>>	88%	43990	89%	**73	98%
[Lovex S065]*	<<locked>>	94%	44092	89%	**56	93%
Norma 201	<<locked>>	85%	44266	90%	**73	98%
Norma 202 👍	<<locked>>	85%	44251	90%	**92	99%
Norma 203B	<<locked>>	88%	43787	89%	**09	96%
[Norma URP]*	<<locked>>	96%	42192	86%	**09	94%
Ramshot Big Game	<<locked>>	88%	44092	89%	**22	96%
ReloadSwiss RS 14	<<locked>>	97%	33098	67%	**62	100%
[ReloadSwiss RS 50]*	<<locked>>	88%	43656	89%	**40	92%
ReloadSwiss RS 52	<<locked>>	89%	44324	90%	**64	98%
ReloadSwiss RS 60	<<locked>>	94%	44237	90%	**07	98%
[ReloadSwiss RS 62]*	<<locked>>	97%	42627	86%	**32	94%
[ReloadSwiss RS 70]*	<<locked>>	96%	43149	88%	**35	93%
Rottweil R 902	<<locked>>	86%	43598	88%	**56	98%
Rottweil R 903	<<locked>>	92%	44164	90%	**19	97%
SNPE Vectan SP 11	<<locked>>	91%	43801	89%	**32	96%
[SNPE Vectan SP 7]*	<<locked>>	84%	44121	89%	**66	94%
SNPE Vectan SP 9	<<locked>>	85%	43540	88%	**79	96%
SNPE Vectan Tubal 3000	<<locked>>	84%	44353	90%	**07	99%
SNPE Vectan Tubal 5000	<<locked>>	89%	43961	89%	**07	100%
[Shooters World Long Rifle]*	<<locked>>	94%	44092	89%	**56	93%
Shooters World Match Rifle 👍	<<locked>>	85%	44150	90%	**02	99%
Shooters World Precision	<<locked>>	88%	43990	89%	**73	98%
Somchem S335	<<locked>>	84%	43729	89%	**14	100%
Somchem S341	<<locked>>	84%	44019	89%	**66	96%
Somchem S355	<<locked>>	91%	43918	89%	**96	97%
Somchem S365	<<locked>>	97%	37492	76%	**36	96%
Vihtavuori N133	<<locked>>	86%	44193	90%	**14	100%
Vihtavuori N135	<<locked>>	93%	43888	89%	**69	100%
Vihtavuori N140	<<locked>>	87%	43845	89%	**59	100%
Vihtavuori N150	<<locked>>	97%	44034	89%	**66	98%
[Vihtavuori N160]*	<<locked>>	94%	43540	88%	**79	94%
Vihtavuori N540	<<locked>>	87%	44367	90%	**86	99%
[Vihtavuori N550]*	<<locked>>	94%	43700	89%	**35	94%
Winchester 6.5 StaBALL	<<locked>>	95%	43816	89%	**63	97%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	39769	81%	**00	95%
[ADI AR 2208]*	<<locked>>	81%	33997	69%	**20	92%
Accurate 2495	<<locked>>	81%	39610	80%	**14	100%
Accurate 4064	<<locked>>	81%	33286	68%	**49	97%
[Accurate 4350]*	<<locked>>	90%	33141	67%	**72	90%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	32793	66%	**23	93%
[Alliant Reloder-15]*	<<locked>>	81%	35389	72%	**95	92%
[Alliant Reloder-16]*	<<locked>>	90%	34795	71%	**09	90%
[Alliant Reloder-17]*	<<locked>>	84%	31459	64%	**27	90%
[Baschieri & Pellagri 107]*	<<locked>>	81%	39015	79%	**87	93%
[Hodgdon CFE223]*	<<locked>>	81%	34113	69%	**72	90%
[Hodgdon H380]*	<<locked>>	82%	34795	71%	**56	90%
[Hodgdon Hybrid 100V]*	<<locked>>	89%	29863	61%	**28	90%
[Hodgdon LVR]*	<<locked>>	89%	35955	73%	**28	90%
[Hodgdon VARGET]*	<<locked>>	81%	33591	68%	**07	91%
Hodgdon TrailBoss	<<locked>>	81%	25976	53%	**39	100%
IMR 3031	<<locked>>	81%	35563	72%	**41	99%
[IMR 4064]*	<<locked>>	81%	33098	67%	**87	91%
[IMR 4895]*	<<locked>>	81%	36274	74%	**28	94%
Lovex D073.6	<<locked>>	81%	38130	77%	**64	98%
Lovex S060	<<locked>>	81%	40567	82%	**45	95%
Lovex S062	<<locked>>	81%	34925	71%	**53	95%
[Lovex S065]*	<<locked>>	89%	37507	76%	**95	90%
Norma 201	<<locked>>	81%	38957	79%	**58	96%
Norma 202	<<locked>>	81%	39015	79%	**71	98%
[Norma 203B]*	<<locked>>	81%	34896	71%	**86	93%
[Norma URP]*	<<locked>>	90%	34127	69%	**82	90%
[Ramshot Big Game]*	<<locked>>	81%	34505	70%	**82	92%
ReloadSwiss RS 14	<<locked>>	81%	25846	52%	**72	100%
[ReloadSwiss RS 50]*	<<locked>>	86%	40132	81%	**54	90%
ReloadSwiss RS 52	<<locked>>	81%	33533	68%	**95	95%
[ReloadSwiss RS 60]*	<<locked>>	83%	30139	61%	**87	90%
[ReloadSwiss RS 62]*	<<locked>>	91%	34563	70%	**22	90%
[ReloadSwiss RS 70]*	<<locked>>	94%	38986	79%	**23	90%
Rottweil R 902	<<locked>>	81%	36869	75%	**89	96%
[Rottweil R 903]*	<<locked>>	81%	29820	60%	**31	91%
[SNPE Vectan SP 11]*	<<locked>>	81%	31633	64%	**97	91%
[SNPE Vectan SP 7]*	<<locked>>	81%	39784	81%	**58	92%
[SNPE Vectan SP 9]*	<<locked>>	81%	38493	78%	**48	94%
SNPE Vectan Tubal 3000	<<locked>>	81%	40756	83%	**31	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	33373	68%	**51	98%
[Shooters World Long Rifle]*	<<locked>>	89%	37507	76%	**95	90%
Shooters World Match Rifle	<<locked>>	81%	38130	77%	**64	98%
Shooters World Precision	<<locked>>	81%	34925	71%	**53	95%
Somchem S335	<<locked>>	81%	40277	82%	**31	99%
Somchem S341	<<locked>>	81%	39668	80%	**68	95%
[Somchem S355]*	<<locked>>	81%	31343	64%	**61	92%
[Somchem S365]*	<<locked>>	87%	27514	56%	**99	90%
Vihtavuori N133	<<locked>>	81%	37985	77%	**79	100%
Vihtavuori N135	<<locked>>	81%	30182	61%	**28	98%
Vihtavuori N140	<<locked>>	81%	36361	74%	**79	98%
[Vihtavuori N150]*	<<locked>>	81%	26339	53%	**87	91%
[Vihtavuori N160]*	<<locked>>	87%	33910	69%	**43	90%
Vihtavuori N540	<<locked>>	81%	36071	73%	**95	98%
[Vihtavuori N550]*	<<locked>>	88%	34635	70%	**95	90%
[Winchester 6.5 StaBALL]*	<<locked>>	84%	30139	61%	**82	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.