top of page

Load data for .300 Blaser Mag + .308 | 220gr | A-Square MONO RN

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

.300 Blaser Mag + .308 | 220gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 220gr | A-Square MONO RN
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.229" | 5.8mm
Shank Seated Depth:
0.229" | 5.8mm
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_B380_C351
Last updated:
2025-02-02

Load data for 94 loads in caliber .300 Blaser Mag with .308 | 220gr | A-Square MONO RN bullet and 47 powders such as ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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>>
88%
54694
90%
**74
100%
ADI AR 2213 👍
<<locked>>
91%
54810
90%
**17
99%
ADI AR 2217
<<locked>>
97%
49530
81%
**35
99%
[ADI AR 2218]*
<<locked>>
97%
42293
69%
**62
93%
ADI AR 2225
<<locked>>
97%
44672
73%
**02
100%
Accurate 3100
<<locked>>
90%
54723
90%
**18
100%
Accurate MAGPRO
<<locked>>
91%
54375
89%
**23
98%
Alliant Reloder-16
<<locked>>
83%
54694
90%
**61
100%
Alliant Reloder-19
<<locked>>
88%
54737
90%
**74
100%
Alliant Reloder-22 👍
<<locked>>
90%
54549
90%
**03
100%
Alliant Reloder-23
<<locked>>
91%
54389
89%
**48
100%
Alliant Reloder-25
<<locked>>
96%
54636
90%
**23
100%
Alliant Reloder-26
<<locked>>
87%
54128
89%
**23
100%
Alliant Reloder-33
<<locked>>
97%
45730
75%
**31
95%
Hodgdon H1000
<<locked>>
97%
49530
81%
**35
99%
Hodgdon H4350
<<locked>>
85%
54360
89%
**08
100%
Hodgdon H4831
<<locked>>
93%
54056
89%
**48
99%
Hodgdon H4831 SC
<<locked>>
89%
54389
89%
**61
99%
Hodgdon Hybrid 100V
<<locked>>
85%
53998
89%
**79
100%
Hodgdon Retumbo
<<locked>>
97%
44672
73%
**02
100%
IMR 4350
<<locked>>
84%
54346
89%
**08
100%
IMR 4831
<<locked>>
87%
54723
90%
**18
100%
IMR 4955 Enduron
<<locked>>
90%
54114
89%
**21
99%
IMR 7828 SSC 👍
<<locked>>
90%
54476
89%
**26
99%
[IMR 7977 Enduron]*
<<locked>>
95%
54679
90%
**92
94%
IMR 8133 Enduron
<<locked>>
97%
40611
67%
**13
97%
Lovex S071
<<locked>>
95%
54317
89%
**15
100%
Norma 204
<<locked>>
83%
54201
89%
**51
100%
Norma 217
<<locked>>
97%
40799
67%
**43
99%
Norma MRP
<<locked>>
88%
54201
89%
**23
100%
Ramshot Hunter
<<locked>>
84%
54723
90%
**54
100%
Ramshot Magnum
<<locked>>
91%
54273
89%
**90
100%
ReloadSwiss RS 76 👍
<<locked>>
96%
54447
89%
**05
100%
ReloadSwiss RS 80
<<locked>>
97%
50546
83%
**10
98%
Rottweil R 904
<<locked>>
87%
54360
89%
**31
99%
Rottweil R 905
<<locked>>
88%
54665
90%
**67
100%
Somchem S361
<<locked>>
86%
54186
89%
**05
99%
Somchem S365
<<locked>>
84%
54128
89%
**15
100%
Somchem S385
<<locked>>
87%
54288
89%
**31
100%
Vihtavuori N165
<<locked>>
93%
54781
90%
**28
100%
[Vihtavuori N170]*
<<locked>>
97%
46427
76%
**23
93%
Vihtavuori N555
<<locked>>
88%
54607
90%
**48
100%
Vihtavuori N560 👍
<<locked>>
90%
54694
90%
**30
99%
Vihtavuori N565
<<locked>>
94%
54186
89%
**07
99%
Vihtavuori N568
<<locked>>
97%
52040
85%
**23
98%
Vihtavuori N570
<<locked>>
97%
49414
81%
**07
96%
Winchester StaBALL HD
<<locked>>
92%
54302
89%
**49
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44121
72%
**00
99%
ADI AR 2213
<<locked>>
81%
39465
65%
**38
96%
[ADI AR 2217]*
<<locked>>
81%
29530
48%
**98
92%
[ADI AR 2218]*
<<locked>>
93%
37927
62%
**64
90%
[ADI AR 2225]*
<<locked>>
81%
26832
44%
**62
94%
Accurate 3100
<<locked>>
81%
39987
66%
**79
99%
[Accurate MAGPRO]*
<<locked>>
81%
38841
64%
**38
94%
Alliant Reloder-16
<<locked>>
81%
50763
83%
**02
100%
Alliant Reloder-19
<<locked>>
81%
44005
72%
**93
99%
Alliant Reloder-22
<<locked>>
81%
39856
65%
**48
98%
Alliant Reloder-23
<<locked>>
81%
38522
63%
**05
100%
Alliant Reloder-25
<<locked>>
81%
33330
55%
**39
99%
Alliant Reloder-26
<<locked>>
81%
42830
70%
**46
100%
[Alliant Reloder-33]*
<<locked>>
89%
35143
58%
**98
90%
[Hodgdon H1000]*
<<locked>>
81%
29530
48%
**98
92%
Hodgdon H4350
<<locked>>
81%
47616
78%
**03
100%
Hodgdon H4831
<<locked>>
81%
37043
61%
**39
95%
Hodgdon H4831 SC
<<locked>>
81%
41263
68%
**34
96%
Hodgdon Hybrid 100V
<<locked>>
81%
47747
78%
**90
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26832
44%
**62
94%
IMR 4350
<<locked>>
81%
49966
82%
**39
100%
IMR 4831
<<locked>>
81%
45643
75%
**74
100%
IMR 4955 Enduron
<<locked>>
81%
41205
68%
**95
96%
IMR 7828 SSC
<<locked>>
81%
40495
66%
**77
97%
[IMR 7977 Enduron]*
<<locked>>
88%
43888
72%
**11
90%
[IMR 8133 Enduron]*
<<locked>>
84%
26861
44%
**72
90%
Lovex S071
<<locked>>
81%
34476
57%
**67
98%
Norma 204
<<locked>>
81%
50415
83%
**89
99%
[Norma 217]*
<<locked>>
81%
24250
40%
**00
91%
Norma MRP
<<locked>>
81%
42032
69%
**16
99%
Ramshot Hunter
<<locked>>
81%
50299
83%
**92
100%
Ramshot Magnum
<<locked>>
81%
36912
61%
**88
98%
ReloadSwiss RS 76
<<locked>>
81%
31589
52%
**36
97%
[ReloadSwiss RS 80]*
<<locked>>
82%
29965
49%
**70
90%
Rottweil R 904
<<locked>>
81%
45208
74%
**80
98%
Rottweil R 905
<<locked>>
81%
43584
72%
**87
99%
Somchem S361
<<locked>>
81%
46021
76%
**70
97%
Somchem S365
<<locked>>
81%
48965
80%
**43
100%
Somchem S385
<<locked>>
81%
44005
72%
**67
99%
Vihtavuori N165
<<locked>>
81%
37275
61%
**26
98%
[Vihtavuori N170]*
<<locked>>
91%
38696
64%
**69
90%
Vihtavuori N555
<<locked>>
81%
43018
71%
**70
100%
Vihtavuori N560
<<locked>>
81%
39943
66%
**64
96%
[Vihtavuori N565]*
<<locked>>
81%
34621
57%
**39
94%
[Vihtavuori N568]*
<<locked>>
82%
30705
50%
**77
90%
[Vihtavuori N570]*
<<locked>>
88%
36056
59%
**34
90%
Winchester StaBALL HD
<<locked>>
81%
35360
58%
**48
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