top of page

Load data for 6.5 x 58 R + .264 | 122gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Somchem S365

6.5 x 58 R + .264 | 122gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 137gr | Hammer Stone Hammer
Manufacturer SKU:
37137SH
Bullet Weight:
137gr | 8.9g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
0.765" | 19.4mm
Caliber:
6.5 x 58 R load data
Case Length (l3):
2.298" | 58.4mm
Cartridge Length (C.O.L.):
3.024" | 76.8mm
Seated Depth:
0.039" | 1.0mm
Shank Seated Depth:
0.039" | 1.0mm
Case Capacity:
39.3 Grains of Water | 2.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
40611 psi | 2800 bar
LID:
LID_B10974_C1019
Last updated:
2025-10-20

Load data for 60 loads in caliber 6.5 x 58 R with .375 | 137gr | Hammer Stone Hammer bullet and 30 powders such as Somchem S365. 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".

  • No data yet

  • .

    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
Accurate 4350
<<locked>>
91%
35882
88%
**06
96%
Alliant Reloder-16
<<locked>>
90%
36042
89%
**00
95%
Alliant Reloder-17
<<locked>>
86%
35723
88%
**26
97%
Alliant Reloder-23
<<locked>>
96%
30922
76%
**08
95%
[Alliant Reloder-26]*
<<locked>>
97%
33823
83%
**26
93%
[Hodgdon H414]*
<<locked>>
85%
35868
88%
**83
92%
Hodgdon Hybrid 100V
<<locked>>
93%
35897
88%
**70
97%
[Hodgdon LVR]*
<<locked>>
87%
35810
88%
**74
94%
[IMR 4451 Enduron]*
<<locked>>
84%
36129
89%
**08
92%
IMR 4831
<<locked>>
96%
36506
90%
**97
96%
[Lovex S065]*
<<locked>>
86%
36027
89%
**21
94%
[Lovex S070]*
<<locked>>
88%
35824
88%
**31
92%
Norma URP
<<locked>>
90%
35650
88%
**83
95%
[Ramshot Hunter]*
<<locked>>
91%
36506
90%
**00
93%
ReloadSwiss RS 60
<<locked>>
87%
35549
88%
**26
98%
ReloadSwiss RS 62
<<locked>>
91%
36506
90%
**36
95%
[ReloadSwiss RS 70]*
<<locked>>
90%
36027
89%
**13
94%
Rottweil R 903
<<locked>>
85%
36376
90%
**67
98%
SNPE Vectan SP 11
<<locked>>
84%
36361
90%
**83
97%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
35752
88%
**82
92%
[Shooters World Long Rifle]*
<<locked>>
86%
36027
89%
**21
94%
Somchem S355
<<locked>>
84%
36477
90%
**51
98%
Somchem S365 👍
<<locked>>
93%
35520
87%
**29
99%
Vihtavuori N135
<<locked>>
84%
35752
88%
**08
100%
Vihtavuori N150
<<locked>>
88%
35636
88%
**18
99%
Vihtavuori N160
<<locked>>
87%
35737
88%
**54
95%
Vihtavuori N550
<<locked>>
87%
35882
88%
**87
95%
Vihtavuori N555
<<locked>>
97%
33373
82%
**97
95%
Winchester 6.5 StaBALL
<<locked>>
88%
35940
89%
**38
97%
[Winchester 760]*
<<locked>>
85%
35868
88%
**83
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[Accurate 4350]*
<<locked>>
81%
25773
63%
**60
90%
[Alliant Reloder-16]*
<<locked>>
81%
27427
68%
**73
90%
Alliant Reloder-17
<<locked>>
81%
30197
74%
**88
95%
[Alliant Reloder-23]*
<<locked>>
88%
24453
60%
**14
90%
[Alliant Reloder-26]*
<<locked>>
93%
30284
75%
**31
91%
[Hodgdon H414]*
<<locked>>
83%
32953
81%
**15
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
25063
62%
**98
92%
[Hodgdon LVR]*
<<locked>>
81%
29515
73%
**26
91%
[IMR 4451 Enduron]*
<<locked>>
81%
33359
82%
**42
90%
[IMR 4831]*
<<locked>>
84%
25483
63%
**28
90%
[Lovex S065]*
<<locked>>
81%
30589
75%
**00
91%
[Lovex S070]*
<<locked>>
85%
32140
79%
**49
90%
[Norma URP]*
<<locked>>
81%
26992
66%
**77
91%
[Ramshot Hunter]*
<<locked>>
86%
31125
77%
**72
90%
ReloadSwiss RS 60
<<locked>>
81%
29443
73%
**75
95%
[ReloadSwiss RS 62]*
<<locked>>
82%
26919
66%
**96
90%
[ReloadSwiss RS 70]*
<<locked>>
85%
30676
76%
**75
90%
Rottweil R 903
<<locked>>
81%
32314
80%
**82
97%
SNPE Vectan SP 11
<<locked>>
81%
33402
82%
**24
96%
[SNPE Vectan Tubal 7000]*
<<locked>>
83%
31807
78%
**06
90%
[Shooters World Long Rifle]*
<<locked>>
81%
30589
75%
**00
91%
Somchem S355
<<locked>>
81%
33417
82%
**88
97%
[Somchem S365]*
<<locked>>
81%
24221
60%
**24
93%
Vihtavuori N135
<<locked>>
81%
32750
81%
**46
100%
Vihtavuori N150
<<locked>>
81%
28355
70%
**57
96%
[Vihtavuori N160]*
<<locked>>
81%
29530
73%
**06
92%
[Vihtavuori N550]*
<<locked>>
81%
29530
73%
**42
92%
[Vihtavuori N555]*
<<locked>>
88%
25280
62%
**80
91%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28398
70%
**60
94%
[Winchester 760]*
<<locked>>
83%
32953
81%
**15
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.

bottom of page