top of page

Load data for .360 BUCKHAMMER + .358 | 250gr | Speer Grand Slam

Recommended Powder(s): ADI AR 2207, IMR 4227, Lovex D060, ReloadSwiss RS 36, Shooters World Buffalo Rifle

.360 BUCKHAMMER + .358 | 250gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.358 | 250gr | Speer Grand Slam
Manufacturer SKU:
2455
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.358" | 9.09mm
Bullet Length:
1.225" | 31.1mm
Caliber:
.360 BUCKHAMMER load data
Case Length (l3):
1.800" | 45.7mm
Cartridge Length (C.O.L.):
2.462" | 62.5mm
Seated Depth:
0.563" | 14.3mm
Shank Seated Depth:
0.563" | 14.3mm
Case Capacity:
44.2 Grains of Water | 2.87 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
49995 psi | 3447 bar
LID:
LID_B6238_C1353
Last updated:
2025-01-01

Load data for 42 loads in caliber .360 BUCKHAMMER with .358 | 250gr | Speer Grand Slam bullet and 21 powders such as ADI AR 2207, IMR 4227, Lovex D060, ReloadSwiss RS 36, Shooters World Buffalo 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. 13.1 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 2205
<<locked>>
85%
43714
87%
**88
100%
ADI AR 2207 👍
<<locked>>
96%
38247
76%
**77
100%
Accurate 1680
<<locked>>
91%
44367
89%
**93
96%
[Accurate 2015]*
<<locked>>
96%
26948
54%
**96
92%
Accurate 5744
<<locked>>
83%
44251
89%
**73
99%
Accurate No. 11 FS
<<locked>>
83%
44657
89%
**64
100%
Alliant Reloder-10x
<<locked>>
97%
31241
62%
**85
95%
Alliant Reloder-7
<<locked>>
96%
40422
81%
**67
98%
[Baschieri & Pellagri 106]*
<<locked>>
97%
37275
75%
**85
93%
[Hodgdon H4198]*
<<locked>>
97%
40930
82%
**18
93%
IMR 4198
<<locked>>
96%
35244
70%
**81
97%
IMR 4227 👍
<<locked>>
92%
43511
87%
**54
99%
Lovex D060 👍
<<locked>>
86%
44875
90%
**83
99%
Lovex S053
<<locked>>
94%
43772
88%
**60
100%
Norma 200
<<locked>>
96%
34490
69%
**37
97%
ReloadSwiss RS 36 👍
<<locked>>
94%
44135
88%
**06
100%
SNPE Vectan BA6 1/2
<<locked>>
96%
43395
87%
**52
100%
Shooters World Buffalo Rifle 👍
<<locked>>
86%
44875
90%
**83
99%
Vihtavuori N110
<<locked>>
88%
44048
88%
**11
100%
Vihtavuori N120
<<locked>>
97%
36129
72%
**18
100%
[Vihtavuori N130]*
<<locked>>
96%
30211
60%
**13
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
39218
78%
**32
100%
ADI AR 2207
<<locked>>
82%
24976
50%
**44
97%
[Accurate 1680]*
<<locked>>
81%
32401
65%
**19
92%
[Accurate 2015]*
<<locked>>
94%
25135
50%
**57
91%
Accurate 5744
<<locked>>
81%
41307
83%
**34
98%
Accurate No. 11 FS
<<locked>>
81%
41553
83%
**27
100%
[Alliant Reloder-10x]*
<<locked>>
88%
24540
49%
**47
91%
[Alliant Reloder-7]*
<<locked>>
83%
27557
55%
**57
94%
[Baschieri & Pellagri 106]*
<<locked>>
90%
30879
62%
**80
90%
[Hodgdon H4198]*
<<locked>>
89%
33243
66%
**99
90%
[IMR 4198]*
<<locked>>
87%
27992
56%
**47
94%
IMR 4227
<<locked>>
81%
31270
63%
**80
97%
Lovex D060
<<locked>>
81%
39073
78%
**04
98%
Lovex S053
<<locked>>
81%
30661
61%
**77
100%
[Norma 200]*
<<locked>>
85%
24062
48%
**40
93%
ReloadSwiss RS 36
<<locked>>
81%
30052
60%
**99
97%
SNPE Vectan BA6 1/2
<<locked>>
88%
35114
70%
**54
100%
Shooters World Buffalo Rifle
<<locked>>
81%
39073
78%
**04
98%
Vihtavuori N110
<<locked>>
81%
36550
73%
**19
100%
Vihtavuori N120
<<locked>>
86%
26455
53%
**50
98%
[Vihtavuori N130]*
<<locked>>
93%
27282
55%
**54
92%

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