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Load data for .45 Win. Mag. + .451 | 255gr | Rim Rock SWC

Recommended Powder(s): Hodgdon HS-6, Rottweil P 806, SNPE Vectan BA7 1/2, Vihtavuori N350

.45 Win. Mag. + .451 | 255gr | Rim Rock SWC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.451 | 255gr | Rim Rock SWC
Manufacturer SKU:
#149
Bullet Weight:
255gr | 16.5g
Bullet Diameter:
0.451" | 11.46mm
Bullet Length:
0.686" | 17.4mm
Caliber:
.45 Win. Mag. load data
Case Length (l3):
1.198" | 30.4mm
Cartridge Length (C.O.L.):
1.410" | 35.8mm
Seated Depth:
0.474" | 12.0mm
Shank Seated Depth:
0.474" | 12.0mm
Case Capacity:
38.0 Grains of Water | 2.47 cm³
Primer Size:
Small Pistol Magnum (SPM)
Max. allowed Pressure:
39885 psi | 2750 bar
LID:
LID_B10649_C740
Last updated:
2025-01-01

Load data for 120 loads in caliber .45 Win. Mag. with .451 | 255gr | Rim Rock SWC bullet and 60 powders such as Hodgdon HS-6, Rottweil P 806, SNPE Vectan BA7 1/2, Vihtavuori N350. 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".

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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.

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 AP 100
<<locked>>
96%
29631
74%
**52
96%
ADI AP 70N
<<locked>>
71%
34650
87%
**25
100%
ADI APS 350
<<locked>>
76%
35230
88%
**8
100%
ADI APS 450
<<locked>>
78%
35375
89%
**1
100%
ADI AS 30
<<locked>>
79%
33881
85%
**20
100%
ADI AS 50N
<<locked>>
76%
34301
86%
**66
100%
Accurate No. 2
<<locked>>
78%
34461
86%
**29
100%
Accurate No. 5
<<locked>>
64%
34679
87%
**14
98%
[Accurate No. 7]*
<<locked>>
82%
35070
88%
**70
89%
[Accurate No. 9]*
<<locked>>
91%
35128
88%
**53
83%
Accurate Solo 1000
<<locked>>
80%
35737
90%
**60
100%
Accurate Solo 1250
<<locked>>
85%
34432
86%
**06
100%
[Accurate TCM]*
<<locked>>
90%
34447
86%
**40
84%
[Alliant BLUE DOT]*
<<locked>>
96%
27093
68%
**48
84%
Alliant BULLSEYE
<<locked>>
75%
35099
88%
**71
100%
Alliant POWER PISTOL
<<locked>>
86%
35215
88%
**63
97%
Alliant UNIQUE
<<locked>>
85%
34505
86%
**78
100%
Baschieri & Pellagri 100
<<locked>>
79%
33315
84%
**43
100%
Hodgdon Clays
<<locked>>
76%
35810
90%
**8
100%
Hodgdon HS-6 👍
<<locked>>
70%
34447
86%
**98
99%
Hodgdon Longshot
<<locked>>
68%
35824
90%
**07
100%
Hodgdon Universal
<<locked>>
77%
33591
84%
**15
100%
Hodgdon TrailBoss
<<locked>>
92%
12067
30%
**8
100%
Lovex D036
<<locked>>
64%
34635
87%
**14
98%
[Lovex D037.1]*
<<locked>>
82%
35070
88%
**70
89%
Lovex S011
<<locked>>
69%
35389
89%
**83
100%
Lovex S020
<<locked>>
76%
33707
85%
**29
100%
Maxam CSB 1
<<locked>>
88%
34505
87%
**02
100%
Maxam CSB 2
<<locked>>
85%
33910
85%
**06
100%
Maxam CSB 3
<<locked>>
83%
35070
88%
**86
100%
Maxam CSB 4
<<locked>>
80%
34998
88%
**70
100%
Maxam CSB 5
<<locked>>
73%
33707
84%
**07
100%
Ramshot Silhouette
<<locked>>
71%
35766
90%
**88
100%
Ramshot True Blue
<<locked>>
66%
35433
89%
**01
100%
ReloadSwiss RS 12
<<locked>>
74%
34896
87%
**99
100%
ReloadSwiss RS 14
<<locked>>
93%
10979
28%
**2
100%
ReloadSwiss RS 20
<<locked>>
87%
34606
87%
**75
100%
ReloadSwiss RS 24
<<locked>>
89%
35447
89%
**57
92%
Rottweil P 801
<<locked>>
68%
34069
85%
**63
100%
Rottweil P 806 👍
<<locked>>
95%
34229
86%
**89
100%
SNPE Vectan A0
<<locked>>
89%
35201
88%
**35
100%
SNPE Vectan BA 9
<<locked>>
79%
34606
87%
**06
100%
SNPE Vectan BA10
<<locked>>
71%
34084
85%
**1
100%
SNPE Vectan BA7 1/2 👍
<<locked>>
94%
35447
89%
**91
100%
SNPE Vectan BA9 1/2
<<locked>>
80%
33576
84%
**02
100%
Shooters World Auto Pistol
<<locked>>
64%
34635
87%
**14
98%
[Shooters World Major Pistol]*
<<locked>>
82%
35070
88%
**70
89%
Somchem MP200
<<locked>>
78%
34563
87%
**65
100%
Somchem MS200
<<locked>>
83%
34418
86%
**42
100%
Somchem S221
<<locked>>
75%
35534
89%
**40
95%
Vihtavuori 3N37
<<locked>>
86%
34055
85%
**01
100%
Vihtavuori 3N38
<<locked>>
96%
30487
76%
**88
91%
Vihtavuori N105
<<locked>>
95%
22568
57%
**19
90%
Vihtavuori N310
<<locked>>
64%
34708
87%
**1
100%
Vihtavuori N320
<<locked>>
79%
35520
89%
**79
100%
Vihtavuori N32C Tin Star
<<locked>>
96%
28718
72%
**8
100%
Vihtavuori N330
<<locked>>
80%
34925
88%
**25
100%
Vihtavuori N340
<<locked>>
83%
33924
85%
**42
100%
Vihtavuori N350 👍
<<locked>>
90%
34722
87%
**01
100%
Winchester 231
<<locked>>
68%
35650
89%
**09
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
66%
13097
33%
**3
82%
ADI AP 70N
<<locked>>
61%
25875
65%
**24
100%
ADI APS 350
<<locked>>
61%
24976
63%
**3
100%
ADI APS 450
<<locked>>
61%
23583
59%
**3
100%
ADI AS 30
<<locked>>
62%
22278
56%
**6
100%
ADI AS 50N
<<locked>>
61%
23032
58%
**5
100%
Accurate No. 2
<<locked>>
62%
20769
52%
**5
99%
Accurate No. 5
<<locked>>
61%
30560
77%
**65
97%
[Accurate No. 7]*
<<locked>>
69%
21596
54%
**66
81%
[Accurate No. 9]*
<<locked>>
88%
31285
78%
**01
80%
Accurate Solo 1000
<<locked>>
61%
21988
55%
**2
100%
Accurate Solo 1250
<<locked>>
61%
17883
45%
**2
100%
[Accurate TCM]*
<<locked>>
85%
28790
72%
**61
80%
[Alliant BLUE DOT]*
<<locked>>
89%
22974
58%
**70
80%
Alliant BULLSEYE
<<locked>>
62%
24004
60%
**30
100%
[Alliant POWER PISTOL]*
<<locked>>
61%
16969
43%
**5
86%
Alliant UNIQUE
<<locked>>
61%
17521
44%
**8
99%
Baschieri & Pellagri 100
<<locked>>
61%
20349
51%
**2
100%
Hodgdon Clays
<<locked>>
61%
25382
64%
**6
100%
Hodgdon HS-6
<<locked>>
61%
25208
63%
**73
97%
Hodgdon Longshot
<<locked>>
61%
27949
70%
**12
99%
Hodgdon Universal
<<locked>>
61%
21248
53%
**8
100%
Hodgdon TrailBoss
<<locked>>
82%
9776
25%
**6
100%
Lovex D036
<<locked>>
61%
30516
77%
**65
97%
[Lovex D037.1]*
<<locked>>
69%
21596
54%
**66
81%
Lovex S011
<<locked>>
61%
28021
70%
**07
100%
Lovex S020
<<locked>>
61%
20856
52%
**5
100%
Maxam CSB 1
<<locked>>
61%
17187
43%
**6
100%
Maxam CSB 2
<<locked>>
61%
17680
44%
**6
100%
Maxam CSB 3
<<locked>>
62%
20015
50%
**6
100%
Maxam CSB 4
<<locked>>
61%
21538
54%
**9
100%
Maxam CSB 5
<<locked>>
60%
23931
60%
**2
100%
Ramshot Silhouette
<<locked>>
61%
25672
64%
**63
100%
Ramshot True Blue
<<locked>>
61%
29385
74%
**25
99%
ReloadSwiss RS 12
<<locked>>
61%
23685
59%
**4
100%
ReloadSwiss RS 14
<<locked>>
83%
9007
23%
**9
100%
ReloadSwiss RS 20
<<locked>>
61%
15809
40%
**2
100%
[ReloadSwiss RS 24]*
<<locked>>
69%
19131
48%
**04
81%
Rottweil P 801
<<locked>>
61%
27122
68%
**8
100%
[Rottweil P 806]*
<<locked>>
61%
10211
26%
**0
83%
SNPE Vectan A0
<<locked>>
61%
16984
43%
**9
99%
SNPE Vectan BA 9
<<locked>>
61%
21031
53%
**8
100%
SNPE Vectan BA10
<<locked>>
62%
26905
67%
**6
100%
[SNPE Vectan BA7 1/2]*
<<locked>>
60%
13895
35%
**0
89%
SNPE Vectan BA9 1/2
<<locked>>
60%
19812
50%
**5
100%
Shooters World Auto Pistol
<<locked>>
61%
30516
77%
**65
97%
[Shooters World Major Pistol]*
<<locked>>
69%
21596
54%
**66
81%
Somchem MP200
<<locked>>
61%
20972
53%
**4
100%
Somchem MS200
<<locked>>
61%
19102
48%
**2
100%
[Somchem S221]*
<<locked>>
61%
22147
56%
**40
88%
Vihtavuori 3N37
<<locked>>
61%
15751
39%
**2
93%
[Vihtavuori 3N38]*
<<locked>>
78%
18202
46%
**4
81%
[Vihtavuori N105]*
<<locked>>
82%
15200
38%
**5
81%
Vihtavuori N310
<<locked>>
61%
31879
80%
**5
100%
Vihtavuori N320
<<locked>>
60%
21393
54%
**9
100%
Vihtavuori N32C Tin Star
<<locked>>
60%
12241
31%
**5
100%
Vihtavuori N330
<<locked>>
61%
19595
49%
**5
100%
Vihtavuori N340
<<locked>>
62%
18159
46%
**5
99%
Vihtavuori N350
<<locked>>
61%
14301
36%
**3
92%
Winchester 231
<<locked>>
61%
28674
72%
**33
100%

Start Load - Barrel Length: 5.50''

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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