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Load data for .300 RCM + .308 | 220gr | Winchester Silvertip

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Recommended Powder(s):

.300 RCM + .308 | 220gr | Winchester Silvertip

Load Specifications

Bullet:
.308 | 220gr | Winchester Silvertip
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.300 RCM
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.293" | 7.4mm
Shank Seated Depth:
0.293" | 7.4mm
Case Capacity:
75.0 Grains of Water | 4.87 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6640_C371

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 148 loads in caliber .300 RCM with .308 | 220gr | Winchester Silvertip bullet and 74 powder(s). 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 here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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 AR 2208
<<locked>>
85%
57232
90%
**16
100%
ADI AR 2209
<<locked>>
96%
56420
88%
**15
99%
ADI AR 2213
<<locked>>
97%
51938
81%
**82
98%
[ADI AR 2217]*
<<locked>>
97%
37985
60%
**20
94%
ADI AR 2225
<<locked>>
97%
33750
53%
**83
96%
Accurate 2700
<<locked>>
86%
56956
89%
**90
100%
Accurate 3100
<<locked>>
97%
51517
81%
**00
100%
Accurate 4350
<<locked>>
91%
57000
89%
**82
100%
Accurate MAGPRO
<<locked>>
97%
50299
79%
**79
96%
Alliant Reloder- TS 15.5
<<locked>>
84%
56782
89%
**23
100%
Alliant Reloder-16
<<locked>>
92%
56608
89%
**15
100%
Alliant Reloder-17
<<locked>>
87%
57087
89%
**25
100%
Alliant Reloder-19
<<locked>>
96%
56608
89%
**12
99%
Alliant Reloder-22
<<locked>>
97%
51314
80%
**79
99%
Alliant Reloder-23
<<locked>>
97%
48646
76%
**20
100%
Alliant Reloder-25
<<locked>>
97%
42496
67%
**67
100%
Alliant Reloder-26 👍
<<locked>>
97%
55259
87%
**90
100%
[Hodgdon H1000]*
<<locked>>
97%
37985
60%
**20
94%
Hodgdon H380
<<locked>>
84%
56855
89%
**46
100%
Hodgdon H414
<<locked>>
87%
57290
90%
**08
100%
Hodgdon H4350
<<locked>>
94%
57000
89%
**56
100%
Hodgdon H4831
<<locked>>
97%
48399
76%
**70
96%
Hodgdon H4831 SC
<<locked>>
97%
54520
85%
**66
98%
Hodgdon Hybrid 100V
<<locked>>
94%
56739
89%
**43
100%
Hodgdon LVR
<<locked>>
89%
57014
89%
**85
100%
Hodgdon Retumbo
<<locked>>
97%
33750
53%
**83
96%
Hodgdon Superperformance
<<locked>>
89%
56840
89%
**38
100%
Hodgdon VARGET
<<locked>>
85%
56913
89%
**16
100%
IMR 4064
<<locked>>
86%
56797
89%
**03
100%
IMR 4166 Enduron
<<locked>>
87%
56840
89%
**10
100%
IMR 4350
<<locked>>
92%
56898
89%
**52
100%
IMR 4451 Enduron
<<locked>>
88%
57058
89%
**39
100%
IMR 4831
<<locked>>
96%
56362
88%
**59
100%
IMR 4955 Enduron
<<locked>>
97%
53795
84%
**20
98%
IMR 7828 SSC
<<locked>>
97%
53693
84%
**18
98%
Lovex S062
<<locked>>
83%
57203
90%
**97
100%
Lovex S065
<<locked>>
89%
56666
89%
**30
100%
Lovex S070
<<locked>>
91%
57072
89%
**52
100%
Lovex S071
<<locked>>
97%
43105
68%
**75
99%
Norma 204 👍
<<locked>>
92%
57261
90%
**02
99%
[Norma 217]*
<<locked>>
97%
29501
46%
**11
93%
Norma MRP 👍
<<locked>>
97%
54288
85%
**51
100%
Norma URP
<<locked>>
91%
57000
89%
**85
100%
Ramshot Hunter 👍
<<locked>>
92%
57029
89%
**12
100%
Ramshot Magnum
<<locked>>
97%
49850
78%
**49
99%
ReloadSwiss RS 50
<<locked>>
84%
57348
90%
**43
100%
ReloadSwiss RS 60
<<locked>>
88%
56724
89%
**41
100%
ReloadSwiss RS 62
<<locked>>
91%
56811
89%
**05
100%
ReloadSwiss RS 70
<<locked>>
91%
56608
89%
**51
100%
ReloadSwiss RS 76
<<locked>>
97%
40843
64%
**80
98%
Rottweil R 903
<<locked>>
86%
56826
89%
**26
100%
Rottweil R 904
<<locked>>
95%
57043
89%
**69
99%
Rottweil R 905
<<locked>>
97%
56449
88%
**12
99%
Rottweil R 907
<<locked>>
89%
57319
90%
**43
100%
SNPE Vectan SP 11
<<locked>>
85%
56782
89%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56898
89%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
56608
89%
**93
100%
Shooters World Long Rifle
<<locked>>
89%
56666
89%
**30
100%
Shooters World Precision
<<locked>>
83%
57203
90%
**97
100%
Somchem S355
<<locked>>
86%
56681
89%
**16
100%
Somchem S361
<<locked>>
95%
57232
90%
**49
98%
Somchem S365
<<locked>>
93%
56695
89%
**85
100%
Somchem S385 👍
<<locked>>
97%
57246
90%
**92
100%
Vihtavuori N135
<<locked>>
87%
57290
90%
**38
100%
Vihtavuori N150
<<locked>>
91%
56884
89%
**84
100%
Vihtavuori N160
<<locked>>
89%
57232
90%
**49
100%
Vihtavuori N165
<<locked>>
97%
47747
75%
**48
99%
Vihtavuori N550
<<locked>>
89%
57116
89%
**85
100%
Vihtavuori N555
<<locked>>
97%
54549
85%
**89
100%
Vihtavuori N560
<<locked>>
97%
51285
80%
**05
97%
Vihtavuori N565
<<locked>>
97%
43627
68%
**64
96%
Winchester 6.5 StaBALL
<<locked>>
90%
56869
89%
**26
100%
Winchester 760
<<locked>>
87%
57290
90%
**08
100%
Winchester StaBALL HD
<<locked>>
97%
43801
69%
**75
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49893
78%
**18
100%
[ADI AR 2209]*
<<locked>>
81%
34766
54%
**31
94%
[ADI AR 2213]*
<<locked>>
81%
31111
49%
**62
90%
[ADI AR 2217]*
<<locked>>
91%
31531
49%
**62
90%
[ADI AR 2225]*
<<locked>>
89%
26252
41%
**67
90%
Accurate 2700
<<locked>>
81%
48298
76%
**69
99%
Accurate 3100
<<locked>>
81%
30284
47%
**16
96%
Accurate 4350
<<locked>>
81%
41133
64%
**46
100%
[Accurate MAGPRO]*
<<locked>>
86%
34650
54%
**80
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50966
80%
**48
100%
Alliant Reloder-16
<<locked>>
81%
40089
63%
**62
100%
Alliant Reloder-17
<<locked>>
81%
45513
71%
**67
100%
[Alliant Reloder-19]*
<<locked>>
81%
34621
54%
**28
94%
[Alliant Reloder-22]*
<<locked>>
81%
30530
48%
**69
92%
Alliant Reloder-23
<<locked>>
81%
29341
46%
**52
99%
[Alliant Reloder-25]*
<<locked>>
81%
25773
40%
**57
93%
Alliant Reloder-26
<<locked>>
81%
31343
49%
**60
98%
[Hodgdon H1000]*
<<locked>>
91%
31531
49%
**62
90%
Hodgdon H380
<<locked>>
81%
51938
81%
**77
100%
Hodgdon H414
<<locked>>
81%
46949
74%
**57
99%
Hodgdon H4350
<<locked>>
81%
38479
60%
**57
97%
[Hodgdon H4831]*
<<locked>>
84%
31734
50%
**46
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
32576
51%
**59
91%
Hodgdon Hybrid 100V
<<locked>>
81%
37275
58%
**54
100%
Hodgdon LVR
<<locked>>
81%
43830
69%
**88
100%
[Hodgdon Retumbo]*
<<locked>>
89%
26252
41%
**67
90%
Hodgdon Superperformance
<<locked>>
81%
42105
66%
**08
98%
Hodgdon VARGET
<<locked>>
81%
49617
78%
**15
100%
IMR 4064
<<locked>>
81%
49371
77%
**05
100%
IMR 4166 Enduron
<<locked>>
81%
48225
76%
**82
99%
IMR 4350
<<locked>>
81%
40393
63%
**93
97%
IMR 4451 Enduron
<<locked>>
81%
46325
73%
**82
99%
IMR 4831
<<locked>>
81%
35868
56%
**34
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33083
52%
**42
91%
[IMR 7828 SSC]*
<<locked>>
81%
31531
49%
**85
91%
Lovex S062
<<locked>>
81%
52924
83%
**48
100%
Lovex S065
<<locked>>
81%
43918
69%
**36
99%
Lovex S070
<<locked>>
81%
42163
66%
**29
98%
[Lovex S071]*
<<locked>>
81%
26150
41%
**14
94%
Norma 204
<<locked>>
81%
39827
62%
**23
96%
[Norma 217]*
<<locked>>
93%
26121
41%
**06
90%
Norma MRP
<<locked>>
81%
31705
50%
**28
95%
Norma URP
<<locked>>
81%
40901
64%
**46
100%
Ramshot Hunter
<<locked>>
81%
39523
62%
**36
98%
[Ramshot Magnum]*
<<locked>>
81%
27891
44%
**00
91%
ReloadSwiss RS 50
<<locked>>
81%
51619
81%
**64
100%
ReloadSwiss RS 60
<<locked>>
81%
43932
69%
**57
100%
ReloadSwiss RS 62
<<locked>>
81%
40915
64%
**69
100%
ReloadSwiss RS 70
<<locked>>
81%
39465
62%
**82
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
26672
42%
**06
90%
Rottweil R 903
<<locked>>
81%
48544
76%
**15
100%
[Rottweil R 904]*
<<locked>>
81%
36405
57%
**24
94%
[Rottweil R 905]*
<<locked>>
81%
33837
53%
**15
94%
Rottweil R 907
<<locked>>
81%
45107
71%
**56
98%
SNPE Vectan SP 11
<<locked>>
81%
49632
78%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49400
77%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42917
67%
**90
98%
Shooters World Long Rifle
<<locked>>
81%
43918
69%
**36
99%
Shooters World Precision
<<locked>>
81%
52924
83%
**48
100%
Somchem S355
<<locked>>
81%
48617
76%
**11
100%
[Somchem S361]*
<<locked>>
81%
36651
57%
**08
93%
Somchem S365
<<locked>>
81%
37043
58%
**00
100%
Somchem S385
<<locked>>
81%
34461
54%
**05
96%
Vihtavuori N135
<<locked>>
81%
47413
74%
**13
100%
Vihtavuori N150
<<locked>>
81%
41611
65%
**74
100%
Vihtavuori N160
<<locked>>
81%
43874
69%
**65
100%
[Vihtavuori N165]*
<<locked>>
81%
28950
45%
**73
92%
Vihtavuori N550
<<locked>>
81%
44614
70%
**08
100%
Vihtavuori N555
<<locked>>
81%
32619
51%
**18
99%
[Vihtavuori N560]*
<<locked>>
82%
31372
49%
**95
90%
[Vihtavuori N565]*
<<locked>>
86%
30414
48%
**82
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41249
65%
**13
100%
Winchester 760
<<locked>>
81%
46949
74%
**57
99%
Winchester StaBALL HD
<<locked>>
81%
25817
40%
**49
99%

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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