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

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Recommended Powder(s):

.300 Rem. SA Ultra Mag + .308 | 220gr | A-Square MONO RN

Load Specifications

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 Rem. SA Ultra Mag
Case Length (l3):
2.003" | 50.9mm
Cartridge Length (C.O.L.):
2.783" | 70.7mm
Seated Depth:
0.220" | 5.6mm
Shank Seated Depth:
0.220" | 5.6mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64107 psi | 4420 bar
LID:
LID_B380_C373

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

Load data for 148 loads in caliber .300 Rem. SA Ultra Mag with .308 | 220gr | A-Square MONO RN 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%
56898
89%
**20
100%
ADI AR 2209
<<locked>>
96%
57101
89%
**28
99%
ADI AR 2213
<<locked>>
97%
52533
82%
**95
98%
[ADI AR 2217]*
<<locked>>
97%
38696
60%
**39
94%
ADI AR 2225
<<locked>>
97%
34069
53%
**97
96%
Accurate 2700
<<locked>>
86%
57450
90%
**00
100%
Accurate 3100
<<locked>>
97%
52373
82%
**16
100%
Accurate 4350
<<locked>>
90%
56898
89%
**79
100%
Accurate MAGPRO
<<locked>>
97%
51082
80%
**92
96%
Alliant Reloder- TS 15.5
<<locked>>
84%
56840
89%
**23
100%
Alliant Reloder-16
<<locked>>
92%
56884
89%
**18
100%
Alliant Reloder-17
<<locked>>
87%
56710
88%
**18
100%
Alliant Reloder-19 👍
<<locked>>
96%
57101
89%
**21
99%
Alliant Reloder-22
<<locked>>
97%
51793
81%
**89
99%
Alliant Reloder-23
<<locked>>
97%
49313
77%
**30
100%
Alliant Reloder-25
<<locked>>
97%
42917
67%
**77
100%
Alliant Reloder-26 👍
<<locked>>
97%
56840
89%
**10
100%
[Hodgdon H1000]*
<<locked>>
97%
38696
60%
**39
94%
Hodgdon H380
<<locked>>
84%
57101
89%
**46
100%
Hodgdon H414
<<locked>>
87%
57522
90%
**18
100%
Hodgdon H4350
<<locked>>
94%
57653
90%
**69
100%
Hodgdon H4831
<<locked>>
97%
48588
76%
**80
97%
Hodgdon H4831 SC
<<locked>>
97%
55158
86%
**79
98%
Hodgdon Hybrid 100V
<<locked>>
94%
57319
89%
**52
100%
Hodgdon LVR
<<locked>>
89%
57580
90%
**89
100%
Hodgdon Retumbo
<<locked>>
97%
34069
53%
**97
96%
Hodgdon Superperformance
<<locked>>
89%
57551
90%
**51
100%
Hodgdon VARGET
<<locked>>
85%
57334
89%
**26
100%
IMR 4064
<<locked>>
85%
57087
89%
**07
100%
IMR 4166 Enduron
<<locked>>
87%
57377
89%
**23
100%
IMR 4350
<<locked>>
92%
57551
90%
**66
100%
IMR 4451 Enduron
<<locked>>
87%
56710
88%
**36
100%
IMR 4831
<<locked>>
96%
57087
89%
**72
100%
IMR 4955 Enduron
<<locked>>
97%
54404
85%
**33
98%
IMR 7828 SSC
<<locked>>
97%
54157
84%
**28
98%
Lovex S065
<<locked>>
89%
57363
89%
**36
100%
Lovex S070
<<locked>>
91%
57305
89%
**62
100%
Lovex S071
<<locked>>
97%
43888
68%
**88
99%
Norma 204 👍
<<locked>>
91%
56840
89%
**95
99%
[Norma 217]*
<<locked>>
97%
29936
47%
**21
93%
Norma MRP 👍
<<locked>>
97%
54795
85%
**61
100%
Norma URP
<<locked>>
91%
57087
89%
**85
100%
Ramshot Hunter
<<locked>>
92%
57551
90%
**21
100%
Ramshot Magnum
<<locked>>
97%
50444
79%
**62
99%
ReloadSwiss RS 50
<<locked>>
84%
56971
89%
**39
100%
ReloadSwiss RS 60
<<locked>>
88%
57305
89%
**51
100%
ReloadSwiss RS 62
<<locked>>
91%
57348
89%
**15
100%
ReloadSwiss RS 70
<<locked>>
91%
57130
89%
**61
100%
ReloadSwiss RS 76
<<locked>>
97%
41176
64%
**90
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
37275
58%
**85
92%
Rottweil R 903
<<locked>>
86%
57101
89%
**26
100%
Rottweil R 904
<<locked>>
95%
57232
89%
**75
99%
Rottweil R 905 👍
<<locked>>
97%
57479
90%
**28
100%
Rottweil R 907
<<locked>>
88%
57072
89%
**39
100%
SNPE Vectan SP 11
<<locked>>
85%
57508
90%
**69
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57493
90%
**08
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57217
89%
**00
100%
Shooters World Long Rifle
<<locked>>
89%
57363
89%
**36
100%
Somchem S355
<<locked>>
86%
57261
89%
**26
100%
Somchem S361
<<locked>>
94%
57101
89%
**49
98%
Somchem S365
<<locked>>
93%
57638
90%
**98
100%
Somchem S385
<<locked>>
96%
56956
89%
**85
100%
Vihtavuori N135
<<locked>>
87%
57609
90%
**38
100%
Vihtavuori N150
<<locked>>
91%
57624
90%
**93
100%
Vihtavuori N160
<<locked>>
89%
56855
89%
**52
100%
Vihtavuori N165
<<locked>>
97%
48776
76%
**57
99%
Vihtavuori N550
<<locked>>
88%
57334
89%
**92
100%
Vihtavuori N555
<<locked>>
97%
54781
85%
**89
100%
Vihtavuori N560
<<locked>>
97%
52359
82%
**21
98%
Vihtavuori N565
<<locked>>
97%
44367
69%
**80
96%
[Vihtavuori N568]*
<<locked>>
97%
38551
60%
**95
92%
Winchester 6.5 StaBALL
<<locked>>
90%
57348
89%
**33
100%
Winchester 760
<<locked>>
87%
57522
90%
**18
100%
Winchester StaBALL HD
<<locked>>
97%
44353
69%
**85
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50575
79%
**31
100%
[ADI AR 2209]*
<<locked>>
81%
35201
55%
**41
94%
[ADI AR 2213]*
<<locked>>
81%
31604
49%
**72
90%
[ADI AR 2217]*
<<locked>>
90%
31154
49%
**59
90%
[ADI AR 2225]*
<<locked>>
88%
25918
40%
**57
90%
Accurate 2700
<<locked>>
81%
48921
76%
**82
99%
Accurate 3100
<<locked>>
81%
30850
48%
**29
96%
Accurate 4350
<<locked>>
81%
41858
65%
**62
100%
[Accurate MAGPRO]*
<<locked>>
85%
34490
54%
**80
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51213
80%
**51
100%
Alliant Reloder-16
<<locked>>
81%
40350
63%
**65
100%
Alliant Reloder-17
<<locked>>
81%
46079
72%
**74
100%
Alliant Reloder-19
<<locked>>
81%
35172
55%
**44
95%
[Alliant Reloder-22]*
<<locked>>
81%
31038
48%
**88
93%
Alliant Reloder-23
<<locked>>
81%
29863
47%
**65
99%
[Alliant Reloder-25]*
<<locked>>
81%
26121
41%
**67
94%
Alliant Reloder-26
<<locked>>
81%
31763
50%
**70
98%
[Hodgdon H1000]*
<<locked>>
90%
31154
49%
**59
90%
Hodgdon H380
<<locked>>
81%
52214
81%
**80
100%
Hodgdon H414
<<locked>>
81%
47210
74%
**67
99%
Hodgdon H4350
<<locked>>
81%
39073
61%
**74
97%
[Hodgdon H4831]*
<<locked>>
83%
31589
49%
**39
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
32982
51%
**75
91%
Hodgdon Hybrid 100V
<<locked>>
81%
37811
59%
**67
100%
Hodgdon LVR
<<locked>>
81%
44367
69%
**95
100%
[Hodgdon Retumbo]*
<<locked>>
88%
25918
40%
**57
90%
Hodgdon Superperformance
<<locked>>
81%
42699
67%
**25
98%
Hodgdon VARGET
<<locked>>
81%
50169
78%
**28
100%
IMR 4064
<<locked>>
81%
49661
77%
**08
100%
IMR 4166 Enduron
<<locked>>
81%
48747
76%
**95
99%
IMR 4350
<<locked>>
81%
40872
64%
**03
98%
IMR 4451 Enduron
<<locked>>
81%
46949
73%
**88
99%
IMR 4831
<<locked>>
81%
36376
57%
**51
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33591
52%
**56
92%
[IMR 7828 SSC]*
<<locked>>
81%
31923
50%
**95
91%
Lovex S065
<<locked>>
81%
44570
70%
**52
100%
Lovex S070
<<locked>>
81%
42409
66%
**33
99%
[Lovex S071]*
<<locked>>
81%
26701
42%
**31
94%
Norma 204
<<locked>>
81%
40422
63%
**33
96%
[Norma 217]*
<<locked>>
92%
26136
41%
**10
90%
Norma MRP
<<locked>>
81%
32227
50%
**47
95%
Norma URP
<<locked>>
81%
41176
64%
**49
100%
Ramshot Hunter
<<locked>>
81%
40016
62%
**49
99%
[Ramshot Magnum]*
<<locked>>
81%
28340
44%
**13
92%
ReloadSwiss RS 50
<<locked>>
81%
52156
81%
**74
100%
ReloadSwiss RS 60
<<locked>>
81%
44585
70%
**74
100%
ReloadSwiss RS 62
<<locked>>
81%
41437
65%
**75
100%
ReloadSwiss RS 70
<<locked>>
81%
40045
62%
**88
99%
[ReloadSwiss RS 76]*
<<locked>>
83%
26426
41%
**00
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
33504
52%
**93
90%
Rottweil R 903
<<locked>>
81%
48805
76%
**15
100%
[Rottweil R 904]*
<<locked>>
81%
36622
57%
**28
94%
Rottweil R 905
<<locked>>
81%
34055
53%
**28
95%
Rottweil R 907
<<locked>>
81%
45498
71%
**65
99%
SNPE Vectan SP 11
<<locked>>
81%
50198
78%
**70
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50140
78%
**23
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43424
68%
**97
99%
Shooters World Long Rifle
<<locked>>
81%
44570
70%
**52
100%
Somchem S355
<<locked>>
81%
49342
77%
**21
100%
[Somchem S361]*
<<locked>>
81%
37159
58%
**21
93%
Somchem S365
<<locked>>
81%
37710
59%
**16
100%
Somchem S385
<<locked>>
81%
34925
54%
**15
96%
Vihtavuori N135
<<locked>>
81%
47732
74%
**20
100%
Vihtavuori N150
<<locked>>
81%
42264
66%
**83
100%
Vihtavuori N160
<<locked>>
81%
44396
69%
**69
100%
[Vihtavuori N165]*
<<locked>>
81%
29225
46%
**80
93%
Vihtavuori N550
<<locked>>
81%
44991
70%
**15
100%
Vihtavuori N555
<<locked>>
81%
33083
52%
**28
99%
[Vihtavuori N560]*
<<locked>>
81%
31560
49%
**05
90%
[Vihtavuori N565]*
<<locked>>
85%
30023
47%
**72
90%
[Vihtavuori N568]*
<<locked>>
93%
34606
54%
**06
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41684
65%
**16
100%
Winchester 760
<<locked>>
81%
47210
74%
**67
99%
Winchester StaBALL HD
<<locked>>
81%
23772
37%
**59
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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