top of page

Load data for .300 Blaser Mag + .309 | 220gr | Ares RNBBNG

Recommended Powder(s):

.300 Blaser Mag + .309 | 220gr | Ares RNBBNG

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.309 | 220gr | Ares RNBBNG
Manufacturer SKU:
.30-220 RNBBNG .309
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.309" | 7.85mm
Bullet Length:
1.271" | 32.3mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.500" | 12.7mm
Shank Seated Depth:
0.500" | 12.7mm
Case Capacity:
92.4 Grains of Water | 6.00 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B12011_C351
Last updated:
2026-01-21

Load data for 122 loads in caliber .300 Blaser Mag with .309 | 220gr | Ares RNBBNG bullet and 61 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".

  • No data yet

  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

    .

    Loading_icon.gif

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 2209
<<locked>>
90%
54636
90%
**57
100%
ADI AR 2213 👍
<<locked>>
93%
54505
89%
**00
99%
ADI AR 2217
<<locked>>
97%
46079
76%
**66
98%
ADI AR 2225
<<locked>>
97%
41234
68%
**26
99%
Accurate 3100
<<locked>>
93%
54708
90%
**12
100%
Accurate 4350
<<locked>>
84%
54418
89%
**08
100%
Accurate MAGPRO
<<locked>>
93%
54302
89%
**07
98%
Alliant Reloder-16
<<locked>>
85%
54404
89%
**48
100%
Alliant Reloder-19
<<locked>>
89%
53998
89%
**44
100%
Alliant Reloder-22
<<locked>>
93%
54578
90%
**00
100%
Alliant Reloder-23
<<locked>>
94%
54491
89%
**44
100%
Alliant Reloder-25
<<locked>>
97%
51895
85%
**84
100%
Alliant Reloder-26
<<locked>>
90%
54636
90%
**26
100%
[Alliant Reloder-33]*
<<locked>>
97%
42163
69%
**56
93%
Baschieri & Pellagri 109
<<locked>>
94%
54230
89%
**31
97%
Bofors RP15
<<locked>>
95%
54244
89%
**87
100%
Bofors RP30
<<locked>>
97%
47863
79%
**18
99%
Bofors RP5
<<locked>>
93%
54578
90%
**00
100%
Hodgdon H1000
<<locked>>
97%
46079
76%
**66
98%
Hodgdon H4350
<<locked>>
87%
54607
90%
**95
100%
Hodgdon H4831
<<locked>>
95%
54665
90%
**44
99%
Hodgdon H4831 SC
<<locked>>
91%
54665
90%
**44
99%
Hodgdon Hybrid 100V
<<locked>>
87%
54665
90%
**75
100%
Hodgdon Retumbo
<<locked>>
97%
41234
68%
**26
99%
IMR 4350
<<locked>>
86%
54810
90%
**02
100%
IMR 4831
<<locked>>
89%
53925
89%
**92
100%
IMR 4955 Enduron
<<locked>>
92%
54418
89%
**05
99%
IMR 7828 SSC 👍
<<locked>>
92%
54331
89%
**03
99%
[IMR 7977 Enduron]*
<<locked>>
97%
54273
89%
**66
93%
IMR 8133 Enduron
<<locked>>
97%
37101
61%
**34
96%
Lovex S065
<<locked>>
83%
54317
89%
**66
100%
Lovex S070
<<locked>>
84%
54375
89%
**92
100%
Lovex S071
<<locked>>
97%
52605
86%
**82
100%
Norma 204
<<locked>>
85%
54592
90%
**35
100%
Norma 217
<<locked>>
97%
37231
61%
**61
98%
Norma MRP
<<locked>>
91%
54476
89%
**13
100%
Norma URP
<<locked>>
85%
54636
90%
**15
100%
Ramshot Grand 👍
<<locked>>
90%
54012
89%
**10
99%
Ramshot Hunter
<<locked>>
85%
54273
89%
**38
100%
Ramshot Magnum
<<locked>>
93%
54244
89%
**80
100%
ReloadSwiss RS 62
<<locked>>
84%
54781
90%
**41
100%
ReloadSwiss RS 70
<<locked>>
85%
54476
89%
**84
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
50749
83%
**33
100%
ReloadSwiss RS 80
<<locked>>
97%
46282
76%
**31
97%
Rottweil R 904
<<locked>>
89%
54636
90%
**18
99%
Rottweil R 905
<<locked>>
90%
54505
89%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
54462
89%
**36
100%
Shooters World Long Rifle
<<locked>>
83%
54317
89%
**66
100%
Somchem S361
<<locked>>
88%
54810
90%
**95
99%
Somchem S365
<<locked>>
86%
54331
89%
**08
100%
Somchem S385
<<locked>>
89%
54215
89%
**12
100%
Vihtavuori N150
<<locked>>
85%
54708
90%
**20
100%
Vihtavuori N165
<<locked>>
95%
54476
89%
**12
100%
[Vihtavuori N170]*
<<locked>>
97%
43221
71%
**44
92%
Vihtavuori N555
<<locked>>
91%
54824
90%
**41
100%
Vihtavuori N560 👍
<<locked>>
92%
54375
89%
**13
99%
Vihtavuori N565
<<locked>>
97%
54114
89%
**00
99%
Vihtavuori N568
<<locked>>
97%
47558
78%
**35
97%
[Vihtavuori N570]*
<<locked>>
97%
45121
74%
**21
94%
Winchester 6.5 StaBALL
<<locked>>
84%
54273
89%
**56
100%
Winchester StaBALL HD
<<locked>>
95%
54433
89%
**56
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41307
68%
**38
98%
ADI AR 2213
<<locked>>
81%
36869
61%
**72
95%
[ADI AR 2217]*
<<locked>>
82%
28224
46%
**46
90%
[ADI AR 2225]*
<<locked>>
81%
24801
41%
**83
91%
Accurate 3100
<<locked>>
81%
37014
61%
**13
99%
Accurate 4350
<<locked>>
81%
49487
81%
**39
100%
[Accurate MAGPRO]*
<<locked>>
81%
35984
59%
**69
92%
Alliant Reloder-16
<<locked>>
81%
47500
78%
**46
100%
Alliant Reloder-19
<<locked>>
81%
41191
68%
**31
98%
Alliant Reloder-22
<<locked>>
81%
36985
61%
**82
97%
Alliant Reloder-23
<<locked>>
81%
35708
59%
**43
100%
Alliant Reloder-25
<<locked>>
81%
30835
51%
**64
98%
Alliant Reloder-26
<<locked>>
81%
39088
64%
**80
100%
[Alliant Reloder-33]*
<<locked>>
92%
36085
59%
**18
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
36811
60%
**00
91%
Bofors RP15
<<locked>>
81%
34432
57%
**20
96%
[Bofors RP30]*
<<locked>>
81%
28253
46%
**88
91%
Bofors RP5
<<locked>>
81%
36985
61%
**82
97%
[Hodgdon H1000]*
<<locked>>
82%
28224
46%
**46
90%
Hodgdon H4350
<<locked>>
81%
45107
74%
**48
99%
[Hodgdon H4831]*
<<locked>>
81%
34722
57%
**77
93%
Hodgdon H4831 SC
<<locked>>
81%
38667
63%
**65
95%
Hodgdon Hybrid 100V
<<locked>>
81%
44672
73%
**34
100%
[Hodgdon Retumbo]*
<<locked>>
81%
24801
41%
**83
91%
IMR 4350
<<locked>>
81%
47079
77%
**84
99%
IMR 4831
<<locked>>
81%
42627
70%
**15
100%
IMR 4955 Enduron
<<locked>>
81%
38580
63%
**26
95%
IMR 7828 SSC
<<locked>>
81%
37565
62%
**02
95%
[IMR 7977 Enduron]*
<<locked>>
91%
45281
74%
**18
90%
[IMR 8133 Enduron]*
<<locked>>
88%
27702
45%
**85
90%
Lovex S065
<<locked>>
81%
50923
84%
**20
100%
Lovex S070
<<locked>>
81%
49037
81%
**07
100%
Lovex S071
<<locked>>
81%
31937
52%
**08
98%
Norma 204
<<locked>>
81%
47195
77%
**16
99%
[Norma 217]*
<<locked>>
83%
24091
40%
**90
90%
Norma MRP
<<locked>>
81%
38827
64%
**48
99%
Norma URP
<<locked>>
81%
48486
80%
**30
100%
Ramshot Grand
<<locked>>
81%
39175
64%
**51
96%
Ramshot Hunter
<<locked>>
81%
47137
77%
**30
100%
Ramshot Magnum
<<locked>>
81%
34098
56%
**16
97%
ReloadSwiss RS 62
<<locked>>
81%
49385
81%
**62
100%
ReloadSwiss RS 70
<<locked>>
81%
47427
78%
**82
100%
ReloadSwiss RS 76
<<locked>>
81%
29095
48%
**54
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
30487
50%
**74
90%
Rottweil R 904
<<locked>>
81%
42699
70%
**18
97%
Rottweil R 905
<<locked>>
81%
40582
67%
**18
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
49545
81%
**67
100%
Shooters World Long Rifle
<<locked>>
81%
50923
84%
**20
100%
Somchem S361
<<locked>>
81%
43091
71%
**05
96%
Somchem S365
<<locked>>
81%
45469
75%
**80
100%
Somchem S385
<<locked>>
81%
41263
68%
**02
99%
Vihtavuori N150
<<locked>>
81%
48631
80%
**38
100%
Vihtavuori N165
<<locked>>
81%
34737
57%
**60
96%
[Vihtavuori N170]*
<<locked>>
94%
39537
65%
**72
90%
Vihtavuori N555
<<locked>>
81%
39842
65%
**08
100%
Vihtavuori N560
<<locked>>
81%
36970
61%
**92
95%
[Vihtavuori N565]*
<<locked>>
81%
31778
52%
**67
93%
[Vihtavuori N568]*
<<locked>>
85%
31865
52%
**93
90%
[Vihtavuori N570]*
<<locked>>
91%
36941
61%
**48
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49037
80%
**84
100%
Winchester StaBALL HD
<<locked>>
81%
31473
52%
**65
100%

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.

<<locked>>... you need to buy an access license to unlock the data

bottom of page