Load data for .257 Roberts + .257 | 91gr | Peregrine VLR-5

Recommended Powder(s): Accurate 4064, Alliant Reloder- TS 15.5, Lovex S062, ReloadSwiss RS 52, ReloadSwiss RS 60

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.257 \| 91gr \| Peregrine VLR-5
Bullet Weight:	91gr \| 5.9g
Bullet Diameter:	0.257" \| 6.53mm
Bullet Length:	1.126" \| 28.6mm
Caliber:	.257 Roberts load data
Case Length (l3):	2.233" \| 56.7mm
Cartridge Length (C.O.L.):	2.733" \| 69.4mm
Seated Depth:	0.626" \| 15.9mm
Shank Seated Depth:	0.409" \| 10.4mm
Case Capacity:	56.0 Grains of Water \| 3.64 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	51488 psi \| 3550 bar
LID:	LID_B8046_C241
Last updated:	2025-01-01
Recommended Twist Rate:	1:9 - 1:8

Load data for 144 loads in caliber .257 Roberts with .257 | 91gr | Peregrine VLR-5 bullet and 72 powders such as Accurate 4064, Alliant Reloder- TS 15.5, Lovex S062, ReloadSwiss RS 52, ReloadSwiss RS 60. 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.
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>>	84%	45339	88%	**05	97%
ADI AR 2208	<<locked>>	90%	46137	90%	**99	97%
Accurate 2200	<<locked>>	83%	46137	90%	**82	96%
Accurate 2495	<<locked>>	85%	46137	90%	**25	100%
Accurate 2520	<<locked>>	84%	45847	89%	**25	100%
[Accurate 2700]*	<<locked>>	91%	46064	89%	**13	92%
Accurate 4064 👍	<<locked>>	89%	45252	88%	**15	100%
Accurate 4350	<<locked>>	97%	43105	84%	**28	95%
Alliant AR-Comp	<<locked>>	84%	45963	89%	**09	100%
Alliant Reloder- TS 15.5 👍	<<locked>>	91%	46050	89%	**35	98%
Alliant Reloder-15	<<locked>>	88%	45426	88%	**31	97%
Alliant Reloder-16	<<locked>>	97%	42946	83%	**28	95%
Alliant Reloder-17	<<locked>>	94%	45774	89%	**20	98%
Baschieri & Pellagri 107	<<locked>>	85%	45426	88%	**22	96%
Hodgdon BL-C2	<<locked>>	83%	45310	88%	**38	98%
Hodgdon CFE223	<<locked>>	89%	46195	90%	**71	96%
Hodgdon H380	<<locked>>	90%	45759	89%	**18	96%
[Hodgdon H414]*	<<locked>>	94%	46093	90%	**68	93%
Hodgdon Hybrid 100V	<<locked>>	97%	39204	76%	**04	96%
Hodgdon LVR	<<locked>>	95%	45498	88%	**61	95%
Hodgdon VARGET	<<locked>>	90%	45556	88%	**89	97%
Hodgdon TrailBoss	<<locked>>	95%	32663	63%	**16	100%
IMR 3031	<<locked>>	88%	45353	88%	**38	100%
IMR 4064	<<locked>>	90%	45353	88%	**82	97%
[IMR 4166 Enduron]*	<<locked>>	90%	45382	88%	**36	93%
[IMR 4451 Enduron]*	<<locked>>	92%	45527	88%	**69	92%
[IMR 4831]*	<<locked>>	97%	36811	71%	**61	93%
IMR 4895	<<locked>>	87%	45658	89%	**45	98%
IMR 8208 XBR	<<locked>>	83%	45672	89%	**86	99%
Lovex D073.6	<<locked>>	86%	45847	89%	**25	100%
Lovex S060	<<locked>>	85%	46296	90%	**63	98%
Lovex S062 👍	<<locked>>	89%	46137	90%	**12	99%
[Lovex S065]*	<<locked>>	95%	45832	89%	**86	94%
[Lovex S070]*	<<locked>>	97%	45368	88%	**99	93%
Norma 201	<<locked>>	85%	45643	89%	**89	99%
Norma 202	<<locked>>	85%	45629	89%	**99	100%
Norma 203B	<<locked>>	89%	45672	89%	**41	98%
Norma URP	<<locked>>	97%	42888	83%	**12	95%
Ramshot Big Game	<<locked>>	89%	46064	89%	**61	97%
[Ramshot Hunter]*	<<locked>>	96%	42380	82%	**99	93%
Ramshot Wild Boar	<<locked>>	84%	45861	89%	**22	97%
ReloadSwiss RS 14	<<locked>>	97%	33504	65%	**78	100%
[ReloadSwiss RS 50]*	<<locked>>	89%	45571	89%	**82	94%
ReloadSwiss RS 52 👍	<<locked>>	89%	45295	88%	**71	99%
ReloadSwiss RS 60 👍	<<locked>>	95%	45527	88%	**40	99%
ReloadSwiss RS 62	<<locked>>	97%	42975	83%	**35	95%
[ReloadSwiss RS 70]*	<<locked>>	96%	43497	84%	**45	94%
Rottweil R 902	<<locked>>	87%	45281	88%	**72	99%
Rottweil R 903	<<locked>>	92%	45368	88%	**28	98%
[Rottweil R 907]*	<<locked>>	94%	46006	89%	**72	92%
SNPE Vectan SP 11	<<locked>>	92%	46166	90%	**74	98%
SNPE Vectan SP 7	<<locked>>	84%	45411	88%	**82	95%
SNPE Vectan SP 9	<<locked>>	86%	45818	89%	**15	97%
SNPE Vectan Tubal 3000	<<locked>>	85%	46311	90%	**33	100%
SNPE Vectan Tubal 5000	<<locked>>	90%	46006	89%	**27	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	95%	45397	88%	**23	93%
[Shooters World Long Rifle]*	<<locked>>	95%	45832	89%	**86	94%
Shooters World Match Rifle	<<locked>>	86%	45847	89%	**25	100%
Shooters World Precision	<<locked>>	89%	46137	90%	**12	99%
Somchem S335	<<locked>>	85%	45745	89%	**33	100%
Somchem S341	<<locked>>	85%	46340	90%	**05	97%
Somchem S355	<<locked>>	92%	46093	90%	**28	98%
Somchem S365	<<locked>>	96%	38043	74%	**46	97%
Vihtavuori N133	<<locked>>	86%	45513	88%	**20	100%
Vihtavuori N135	<<locked>>	94%	46340	90%	**92	100%
Vihtavuori N140	<<locked>>	88%	45905	89%	**72	100%
Vihtavuori N150	<<locked>>	96%	44541	87%	**72	99%
Vihtavuori N160	<<locked>>	95%	45513	88%	**22	96%
Vihtavuori N540	<<locked>>	88%	46296	90%	**12	100%
Vihtavuori N550	<<locked>>	95%	45687	89%	**68	96%
Winchester 6.5 StaBALL	<<locked>>	96%	46137	90%	**02	98%
[Winchester 760]*	<<locked>>	94%	46093	90%	**68	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	40582	79%	**07	96%
[ADI AR 2208]*	<<locked>>	81%	34505	67%	**30	93%
Accurate 2200	<<locked>>	81%	43047	84%	**17	95%
Accurate 2495	<<locked>>	81%	40741	79%	**13	100%
Accurate 2520	<<locked>>	81%	41814	81%	**46	99%
[Accurate 2700]*	<<locked>>	88%	42076	82%	**31	90%
Accurate 4064	<<locked>>	81%	34258	67%	**76	98%
[Accurate 4350]*	<<locked>>	87%	30545	59%	**17	90%
Alliant AR-Comp	<<locked>>	81%	41684	81%	**36	100%
Alliant Reloder- TS 15.5	<<locked>>	81%	33518	65%	**49	95%
[Alliant Reloder-15]*	<<locked>>	81%	36274	70%	**15	94%
[Alliant Reloder-16]*	<<locked>>	87%	32285	63%	**43	90%
[Alliant Reloder-17]*	<<locked>>	81%	29356	57%	**77	91%
Baschieri & Pellagri 107	<<locked>>	81%	39755	77%	**00	95%
Hodgdon BL-C2	<<locked>>	81%	41336	80%	**49	98%
[Hodgdon CFE223]*	<<locked>>	81%	34693	67%	**02	92%
[Hodgdon H380]*	<<locked>>	81%	34040	66%	**40	91%
[Hodgdon H414]*	<<locked>>	89%	39363	76%	**13	90%
[Hodgdon Hybrid 100V]*	<<locked>>	86%	27876	54%	**82	90%
[Hodgdon LVR]*	<<locked>>	86%	33910	66%	**76	90%
[Hodgdon VARGET]*	<<locked>>	81%	34026	66%	**23	93%
Hodgdon TrailBoss	<<locked>>	81%	26252	51%	**68	100%
IMR 3031	<<locked>>	81%	36521	71%	**51	100%
[IMR 4064]*	<<locked>>	81%	33649	65%	**03	93%
[IMR 4166 Enduron]*	<<locked>>	86%	39711	77%	**08	90%
[IMR 4451 Enduron]*	<<locked>>	88%	39987	78%	**48	90%
[IMR 4831]*	<<locked>>	91%	30560	59%	**87	90%
IMR 4895	<<locked>>	81%	37057	72%	**54	95%
IMR 8208 XBR	<<locked>>	81%	42801	83%	**27	98%
Lovex D073.6	<<locked>>	81%	39044	76%	**87	99%
Lovex S060	<<locked>>	81%	41423	80%	**58	96%
Lovex S062	<<locked>>	81%	35998	70%	**89	96%
[Lovex S065]*	<<locked>>	86%	34447	67%	**23	90%
[Lovex S070]*	<<locked>>	92%	38812	75%	**54	90%
Norma 201	<<locked>>	81%	39668	77%	**64	97%
Norma 202	<<locked>>	81%	39798	77%	**77	99%
Norma 203B	<<locked>>	81%	35665	69%	**12	95%
[Norma URP]*	<<locked>>	87%	31923	62%	**33	90%
[Ramshot Big Game]*	<<locked>>	81%	35128	68%	**12	94%
[Ramshot Hunter]*	<<locked>>	92%	37101	72%	**64	90%
Ramshot Wild Boar	<<locked>>	81%	41930	81%	**40	96%
ReloadSwiss RS 14	<<locked>>	81%	26237	51%	**04	100%
[ReloadSwiss RS 50]*	<<locked>>	82%	36593	71%	**79	90%
ReloadSwiss RS 52	<<locked>>	81%	34272	67%	**15	96%
[ReloadSwiss RS 60]*	<<locked>>	81%	28645	56%	**57	91%
[ReloadSwiss RS 62]*	<<locked>>	89%	32547	63%	**76	90%
[ReloadSwiss RS 70]*	<<locked>>	91%	36506	71%	**54	90%
Rottweil R 902	<<locked>>	81%	37956	74%	**05	97%
[Rottweil R 903]*	<<locked>>	81%	30995	60%	**84	93%
[Rottweil R 907]*	<<locked>>	90%	41046	80%	**71	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	32416	63%	**36	93%
[SNPE Vectan SP 7]*	<<locked>>	81%	40654	79%	**74	94%
SNPE Vectan SP 9	<<locked>>	81%	39378	76%	**74	96%
SNPE Vectan Tubal 3000	<<locked>>	81%	41249	80%	**25	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	33895	66%	**71	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	90%	38537	75%	**79	90%
[Shooters World Long Rifle]*	<<locked>>	86%	34447	67%	**23	90%
Shooters World Match Rifle	<<locked>>	81%	39044	76%	**87	99%
Shooters World Precision	<<locked>>	81%	35998	70%	**89	96%
Somchem S335	<<locked>>	81%	41002	80%	**31	100%
Somchem S341	<<locked>>	81%	40451	79%	**81	96%
[Somchem S355]*	<<locked>>	81%	31981	62%	**97	93%
[Somchem S365]*	<<locked>>	84%	25367	49%	**49	90%
Vihtavuori N133	<<locked>>	81%	38682	75%	**79	100%
Vihtavuori N135	<<locked>>	81%	31038	60%	**61	99%
Vihtavuori N140	<<locked>>	81%	37318	72%	**95	99%
[Vihtavuori N150]*	<<locked>>	81%	27209	53%	**39	93%
[Vihtavuori N160]*	<<locked>>	84%	31705	62%	**84	90%
Vihtavuori N540	<<locked>>	81%	37028	72%	**15	99%
[Vihtavuori N550]*	<<locked>>	84%	31633	61%	**23	90%
[Winchester 6.5 StaBALL]*	<<locked>>	82%	28123	55%	**43	90%
[Winchester 760]*	<<locked>>	89%	39363	76%	**13	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