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Load data for .257 Roberts + .257 | 86gr | Remington SPRN

Recommended Powder(s): Accurate 4064, Lovex D073.6, ReloadSwiss RS 52, Shooters World Match Rifle

.257 Roberts + .257 | 86gr | Remington SPRN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.257 | 86gr | Remington SPRN
Bullet Weight:
86gr | 5.6g
Bullet Diameter:
0.257" | 6.53mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.257 Roberts load data
Case Length (l3):
2.233" | 56.7mm
Cartridge Length (C.O.L.):
2.733" | 69.4mm
Seated Depth:
0.500" | 12.7mm
Shank Seated Depth:
0.500" | 12.7mm
Case Capacity:
56.0 Grains of Water | 3.64 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
51488 psi | 3550 bar
LID:
LID_B5139_C241
Last updated:
2025-01-01

Load data for 144 loads in caliber .257 Roberts with .257 | 86gr | Remington SPRN bullet and 72 powders such as Accurate 4064, Lovex D073.6, ReloadSwiss RS 52, 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 35.3 fps

  • .

    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>>
85%
45629
89%
**94
97%
ADI AR 2208
<<locked>>
91%
46253
90%
**81
96%
Accurate 2200
<<locked>>
84%
46122
90%
**58
95%
Accurate 2495
<<locked>>
85%
46151
90%
**10
100%
Accurate 2520
<<locked>>
84%
45934
89%
**00
99%
Accurate 4064 👍
<<locked>>
91%
46296
90%
**14
100%
[Accurate 4350]*
<<locked>>
96%
41713
81%
**68
94%
Alliant AR-Comp
<<locked>>
84%
45542
88%
**87
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
46035
89%
**17
98%
Alliant Reloder-15
<<locked>>
88%
45484
88%
**04
96%
Alliant Reloder-16
<<locked>>
97%
42772
83%
**94
95%
Alliant Reloder-17
<<locked>>
95%
46296
90%
**12
98%
Baschieri & Pellagri 107
<<locked>>
86%
45701
89%
**04
96%
Hodgdon BL-C2
<<locked>>
84%
45643
89%
**23
98%
Hodgdon CFE223
<<locked>>
89%
45411
88%
**36
96%
Hodgdon H380
<<locked>>
90%
46311
90%
**07
95%
[Hodgdon H414]*
<<locked>>
94%
45614
89%
**36
92%
Hodgdon Hybrid 100V
<<locked>>
97%
38522
75%
**59
95%
Hodgdon LVR
<<locked>>
96%
46195
90%
**46
95%
Hodgdon VARGET
<<locked>>
91%
46253
90%
**81
96%
Hodgdon TrailBoss
<<locked>>
95%
32532
63%
**78
100%
IMR 3031
<<locked>>
88%
45542
88%
**33
100%
IMR 4064
<<locked>>
91%
45426
88%
**54
96%
[IMR 4166 Enduron]*
<<locked>>
91%
45455
88%
**05
92%
[IMR 4451 Enduron]*
<<locked>>
92%
45498
88%
**41
92%
[IMR 4831]*
<<locked>>
96%
35752
69%
**00
92%
IMR 4895
<<locked>>
88%
45614
89%
**27
97%
IMR 8208 XBR
<<locked>>
84%
45847
89%
**64
98%
Lovex D073.6 👍
<<locked>>
86%
45281
88%
**87
99%
Lovex S060
<<locked>>
85%
45440
88%
**22
97%
Lovex S062
<<locked>>
89%
46340
90%
**87
98%
[Lovex S065]*
<<locked>>
95%
45701
89%
**58
94%
[Lovex S070]*
<<locked>>
97%
45107
88%
**64
92%
Norma 201
<<locked>>
86%
45730
89%
**68
98%
Norma 202
<<locked>>
86%
45774
89%
**77
100%
Norma 203B
<<locked>>
89%
45701
89%
**10
97%
[Norma URP]*
<<locked>>
97%
42583
83%
**74
94%
Ramshot Big Game
<<locked>>
89%
46195
90%
**36
97%
[Ramshot Hunter]*
<<locked>>
97%
41945
81%
**51
92%
[Ramshot TAC]*
<<locked>>
83%
45934
89%
**54
94%
Ramshot Wild Boar
<<locked>>
84%
46122
90%
**07
97%
ReloadSwiss RS 14
<<locked>>
97%
33330
65%
**37
100%
[ReloadSwiss RS 50]*
<<locked>>
89%
45455
88%
**54
93%
ReloadSwiss RS 52 👍
<<locked>>
90%
46151
90%
**66
99%
ReloadSwiss RS 60
<<locked>>
96%
46035
89%
**15
98%
[ReloadSwiss RS 62]*
<<locked>>
97%
41800
81%
**84
94%
[ReloadSwiss RS 70]*
<<locked>>
97%
43671
85%
**07
93%
Rottweil R 901
<<locked>>
83%
45745
89%
**51
100%
Rottweil R 902
<<locked>>
87%
45658
89%
**58
98%
Rottweil R 903
<<locked>>
93%
46238
90%
**14
98%
SNPE Vectan SP 11
<<locked>>
92%
45876
89%
**43
97%
SNPE Vectan SP 7
<<locked>>
85%
46035
89%
**64
95%
SNPE Vectan SP 9
<<locked>>
86%
45861
89%
**84
97%
SNPE Vectan Tubal 3000
<<locked>>
84%
45701
89%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
46108
90%
**05
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
96%
46006
89%
**09
92%
[Shooters World Long Rifle]*
<<locked>>
95%
45701
89%
**58
94%
Shooters World Match Rifle 👍
<<locked>>
86%
45281
88%
**87
99%
Shooters World Precision
<<locked>>
89%
46340
90%
**87
98%
Somchem S335
<<locked>>
85%
45847
89%
**15
100%
Somchem S341
<<locked>>
85%
45672
89%
**68
97%
Somchem S355
<<locked>>
93%
46079
89%
**07
98%
Somchem S365
<<locked>>
97%
37782
73%
**09
97%
Vihtavuori N133
<<locked>>
87%
45919
89%
**02
100%
Vihtavuori N135
<<locked>>
94%
45440
88%
**54
100%
Vihtavuori N140
<<locked>>
88%
45919
89%
**61
100%
Vihtavuori N150
<<locked>>
97%
44483
86%
**38
98%
Vihtavuori N160
<<locked>>
96%
46122
90%
**04
95%
Vihtavuori N540
<<locked>>
88%
45339
88%
**68
100%
Vihtavuori N550
<<locked>>
96%
45658
89%
**50
95%
Winchester 6.5 StaBALL
<<locked>>
97%
46093
90%
**74
98%
[Winchester 760]*
<<locked>>
94%
45614
89%
**36
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
39914
78%
**66
95%
[ADI AR 2208]*
<<locked>>
81%
33910
66%
**85
92%
[Accurate 2200]*
<<locked>>
81%
42177
82%
**72
94%
Accurate 2495
<<locked>>
81%
40161
78%
**82
100%
Accurate 2520
<<locked>>
81%
40973
80%
**02
99%
Accurate 4064
<<locked>>
81%
33779
66%
**28
98%
[Accurate 4350]*
<<locked>>
90%
32663
63%
**41
90%
Alliant AR-Comp
<<locked>>
81%
41423
80%
**09
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
33040
64%
**08
94%
[Alliant Reloder-15]*
<<locked>>
81%
35781
69%
**74
93%
[Alliant Reloder-16]*
<<locked>>
89%
33765
66%
**44
90%
[Alliant Reloder-17]*
<<locked>>
82%
30066
58%
**56
90%
[Baschieri & Pellagri 107]*
<<locked>>
81%
39334
76%
**56
94%
Hodgdon BL-C2
<<locked>>
81%
40988
80%
**22
97%
[Hodgdon CFE223]*
<<locked>>
81%
34301
67%
**54
91%
[Hodgdon H380]*
<<locked>>
81%
33721
65%
**99
90%
[Hodgdon H414]*
<<locked>>
91%
40930
80%
**22
90%
[Hodgdon Hybrid 100V]*
<<locked>>
87%
28993
56%
**84
90%
[Hodgdon LVR]*
<<locked>>
88%
35418
69%
**87
90%
[Hodgdon VARGET]*
<<locked>>
81%
33910
66%
**85
92%
Hodgdon TrailBoss
<<locked>>
81%
26252
51%
**27
100%
IMR 3031
<<locked>>
81%
36013
70%
**20
99%
[IMR 4064]*
<<locked>>
81%
33373
65%
**69
92%
[IMR 4166 Enduron]*
<<locked>>
87%
40843
79%
**07
90%
[IMR 4451 Enduron]*
<<locked>>
90%
41597
81%
**49
90%
[IMR 4831]*
<<locked>>
93%
32039
62%
**95
90%
[IMR 4895]*
<<locked>>
81%
36521
71%
**13
94%
IMR 8208 XBR
<<locked>>
81%
41989
82%
**86
97%
Lovex D073.6
<<locked>>
81%
38609
75%
**49
98%
Lovex S060
<<locked>>
81%
40770
79%
**10
96%
Lovex S062
<<locked>>
81%
35462
69%
**38
95%
[Lovex S065]*
<<locked>>
88%
36071
70%
**31
90%
[Lovex S070]*
<<locked>>
93%
40524
79%
**59
90%
Norma 201
<<locked>>
81%
39233
76%
**20
97%
Norma 202
<<locked>>
81%
39175
76%
**43
99%
[Norma 203B]*
<<locked>>
81%
35027
68%
**54
93%
[Norma URP]*
<<locked>>
89%
33431
65%
**38
90%
[Ramshot Big Game]*
<<locked>>
81%
34664
67%
**64
93%
[Ramshot Hunter]*
<<locked>>
94%
38522
75%
**69
90%
[Ramshot TAC]*
<<locked>>
81%
42134
82%
**76
93%
Ramshot Wild Boar
<<locked>>
81%
41379
80%
**95
96%
ReloadSwiss RS 14
<<locked>>
81%
26237
51%
**67
100%
[ReloadSwiss RS 50]*
<<locked>>
85%
39262
76%
**07
90%
ReloadSwiss RS 52
<<locked>>
81%
33634
65%
**64
95%
[ReloadSwiss RS 60]*
<<locked>>
82%
29341
57%
**36
90%
[ReloadSwiss RS 62]*
<<locked>>
90%
33707
65%
**71
90%
[ReloadSwiss RS 70]*
<<locked>>
93%
38392
75%
**72
90%
Rottweil R 901
<<locked>>
81%
42989
83%
**92
99%
Rottweil R 902
<<locked>>
81%
37463
73%
**71
96%
[Rottweil R 903]*
<<locked>>
81%
30516
59%
**30
92%
[SNPE Vectan SP 11]*
<<locked>>
81%
31894
62%
**85
91%
[SNPE Vectan SP 7]*
<<locked>>
81%
40263
78%
**43
93%
SNPE Vectan SP 9
<<locked>>
81%
38479
75%
**23
95%
SNPE Vectan Tubal 3000
<<locked>>
81%
40799
79%
**97
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
33373
65%
**26
98%
[SNPE Vectan Tubal 7000]*
<<locked>>
92%
40030
78%
**84
90%
[Shooters World Long Rifle]*
<<locked>>
88%
36071
70%
**31
90%
Shooters World Match Rifle
<<locked>>
81%
38609
75%
**49
98%
Shooters World Precision
<<locked>>
81%
35462
69%
**38
95%
Somchem S335
<<locked>>
81%
40306
78%
**97
99%
Somchem S341
<<locked>>
81%
40176
78%
**43
95%
[Somchem S355]*
<<locked>>
81%
31560
61%
**46
92%
[Somchem S365]*
<<locked>>
86%
26614
52%
**54
90%
Vihtavuori N133
<<locked>>
81%
38203
74%
**51
100%
Vihtavuori N135
<<locked>>
81%
30472
59%
**13
98%
Vihtavuori N140
<<locked>>
81%
36724
71%
**58
99%
[Vihtavuori N150]*
<<locked>>
81%
26847
52%
**89
92%
[Vihtavuori N160]*
<<locked>>
86%
33069
64%
**92
90%
Vihtavuori N540
<<locked>>
81%
36347
71%
**71
98%
[Vihtavuori N550]*
<<locked>>
86%
32779
64%
**28
90%
[Winchester 6.5 StaBALL]*
<<locked>>
83%
29095
56%
**28
90%
[Winchester 760]*
<<locked>>
91%
40930
80%
**22
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.

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