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Load data for .300 Rem. SA Ultra Mag + .308 | 135gr | Sierra HPBT MatchKing

Recommended Powder(s):

.300 Rem. SA Ultra Mag + .308 | 135gr | Sierra HPBT MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 135gr | Sierra HPBT MatchKing
Manufacturer SKU:
2123
Bullet Weight:
135gr | 8.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.033" | 26.2mm
Caliber:
.300 Rem. SA Ultra Mag load data
Case Length (l3):
2.003" | 50.9mm
Cartridge Length (C.O.L.):
2.764" | 70.2mm
Seated Depth:
0.272" | 6.9mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64107 psi | 4420 bar
LID:
LID_B5866_C373
Last updated:
2025-01-01
Recommended Twist Rate:
1:15 - 1:13

Load data for 192 loads in caliber .300 Rem. SA Ultra Mag with .308 | 135gr | Sierra HPBT MatchKing bullet and 96 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".

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  • 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.

    .

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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 2206H
<<locked>>
91%
56724
88%
**76
99%
ADI AR 2208
<<locked>>
96%
57348
89%
**66
99%
Accurate 2015
<<locked>>
87%
57145
89%
**81
100%
Accurate 2200
<<locked>>
89%
57377
90%
**40
98%
Accurate 2230
<<locked>>
85%
57377
89%
**27
100%
Accurate 2460
<<locked>>
85%
57217
89%
**30
100%
Accurate 2495
<<locked>>
90%
57493
90%
**59
100%
Accurate 2520
<<locked>>
89%
57261
89%
**66
100%
Accurate 2700
<<locked>>
97%
57130
89%
**77
95%
Accurate 4064
<<locked>>
96%
57087
89%
**66
100%
Accurate 4350
<<locked>>
97%
44657
70%
**15
96%
Alliant AR-Comp
<<locked>>
90%
57624
90%
**36
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
57188
89%
**96
100%
Alliant Reloder-10x
<<locked>>
84%
56782
89%
**91
100%
Alliant Reloder-15 👍
<<locked>>
94%
56927
89%
**02
99%
Alliant Reloder-16
<<locked>>
97%
44266
69%
**18
96%
Alliant Reloder-17
<<locked>>
97%
51343
80%
**02
99%
[Alliant Reloder-23]*
<<locked>>
97%
31270
49%
**00
92%
Baschieri & Pellagri 106
<<locked>>
83%
57290
89%
**31
100%
Baschieri & Pellagri 107 👍
<<locked>>
91%
57624
90%
**05
99%
Hodgdon BL-C2
<<locked>>
89%
57464
90%
**05
100%
Hodgdon Benchmark
<<locked>>
88%
57188
89%
**07
100%
Hodgdon CFE223
<<locked>>
94%
56884
89%
**28
99%
Hodgdon H322
<<locked>>
88%
57232
89%
**43
100%
Hodgdon H380
<<locked>>
96%
57334
89%
**89
98%
Hodgdon H414
<<locked>>
97%
53156
83%
**69
95%
Hodgdon Hybrid 100V
<<locked>>
97%
40973
64%
**13
97%
Hodgdon LVR
<<locked>>
97%
49023
76%
**81
96%
[Hodgdon Superperformance]*
<<locked>>
97%
49284
77%
**97
93%
Hodgdon VARGET
<<locked>>
96%
56927
89%
**53
99%
Hodgdon TrailBoss
<<locked>>
97%
33446
52%
**09
100%
IMR 3031
<<locked>>
94%
57087
89%
**89
100%
IMR 4064
<<locked>>
97%
56275
88%
**40
99%
IMR 4166 Enduron
<<locked>>
97%
56550
88%
**04
96%
IMR 4198
<<locked>>
85%
57566
90%
**61
100%
[IMR 4350]*
<<locked>>
97%
45730
71%
**56
92%
IMR 4451 Enduron
<<locked>>
97%
53548
84%
**81
95%
[IMR 4831]*
<<locked>>
97%
38189
60%
**51
94%
IMR 4895 👍
<<locked>>
94%
57508
90%
**25
99%
IMR 8208 XBR
<<locked>>
89%
56869
89%
**50
100%
Lovex D073.4
<<locked>>
84%
56985
89%
**17
100%
Lovex D073.5
<<locked>>
85%
57682
90%
**43
100%
Lovex D073.6
<<locked>>
91%
57261
89%
**66
100%
Lovex S060
<<locked>>
91%
56913
89%
**07
99%
Lovex S062
<<locked>>
95%
56884
89%
**56
100%
Lovex S065
<<locked>>
97%
49182
77%
**15
96%
[Lovex S070]*
<<locked>>
97%
46760
73%
**79
94%
Norma 201
<<locked>>
92%
57305
89%
**53
100%
Norma 202
<<locked>>
92%
57653
90%
**56
100%
Norma 203B
<<locked>>
95%
56913
89%
**96
99%
Norma URP
<<locked>>
97%
44092
69%
**99
96%
Ramshot Big Game 👍
<<locked>>
94%
56985
89%
**15
99%
[Ramshot Hunter]*
<<locked>>
97%
44208
69%
**95
94%
Ramshot TAC
<<locked>>
89%
57377
90%
**53
98%
Ramshot Wild Boar
<<locked>>
90%
57493
90%
**86
99%
Ramshot X-Terminator
<<locked>>
87%
57551
90%
**33
99%
ReloadSwiss RS 14
<<locked>>
96%
33576
52%
**46
100%
ReloadSwiss RS 40
<<locked>>
86%
57435
90%
**43
100%
ReloadSwiss RS 50
<<locked>>
95%
57392
90%
**63
97%
ReloadSwiss RS 52 👍
<<locked>>
95%
57450
90%
**35
100%
ReloadSwiss RS 60
<<locked>>
97%
50096
78%
**96
100%
ReloadSwiss RS 62
<<locked>>
97%
43990
69%
**28
96%
ReloadSwiss RS 70
<<locked>>
97%
45382
71%
**45
95%
Rottweil R 901
<<locked>>
89%
57261
89%
**20
100%
Rottweil R 902
<<locked>>
93%
57145
89%
**36
100%
Rottweil R 903
<<locked>>
97%
53563
84%
**30
99%
[Rottweil R 907]*
<<locked>>
97%
51372
80%
**38
94%
SNPE Vectan SP 11
<<locked>>
97%
56391
88%
**15
99%
SNPE Vectan SP 7
<<locked>>
90%
57276
89%
**53
98%
SNPE Vectan SP 9
<<locked>>
92%
57232
89%
**79
99%
SNPE Vectan Tubal 3000
<<locked>>
91%
57159
89%
**61
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
57246
89%
**61
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
49632
77%
**69
94%
Shooters World Long Rifle
<<locked>>
97%
49182
77%
**15
96%
Shooters World Match Rifle
<<locked>>
91%
57261
89%
**66
100%
Shooters World Precision
<<locked>>
95%
56884
89%
**56
100%
Shooters World Tactical Rifle
<<locked>>
84%
57667
90%
**17
100%
Somchem S321
<<locked>>
87%
57682
90%
**76
100%
Somchem S335
<<locked>>
91%
57464
90%
**74
100%
Somchem S341
<<locked>>
90%
57377
89%
**59
99%
Somchem S355
<<locked>>
97%
54360
85%
**36
99%
Somchem S365
<<locked>>
97%
39958
62%
**59
98%
Vihtavuori N130
<<locked>>
87%
56898
89%
**38
100%
Vihtavuori N133
<<locked>>
93%
57203
89%
**58
100%
Vihtavuori N135
<<locked>>
97%
52446
82%
**48
100%
Vihtavuori N140
<<locked>>
94%
57435
90%
**23
100%
Vihtavuori N150
<<locked>>
97%
45977
72%
**53
99%
Vihtavuori N160
<<locked>>
97%
48979
76%
**51
97%
Vihtavuori N530
<<locked>>
88%
57290
89%
**63
100%
Vihtavuori N540
<<locked>>
94%
57305
89%
**50
100%
Vihtavuori N550
<<locked>>
97%
49777
78%
**10
97%
[Vihtavuori N555]*
<<locked>>
97%
32982
51%
**82
92%
Winchester 6.5 StaBALL
<<locked>>
97%
47326
74%
**92
99%
Winchester 748
<<locked>>
87%
57043
89%
**96
100%
Winchester 760
<<locked>>
97%
53156
83%
**69
95%
Winchester StaBALL Match
<<locked>>
85%
56985
89%
**79
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
41872
65%
**00
97%
[ADI AR 2208]*
<<locked>>
81%
35505
55%
**23
94%
Accurate 2015
<<locked>>
81%
47369
74%
**27
100%
Accurate 2200
<<locked>>
81%
43932
69%
**97
96%
Accurate 2230
<<locked>>
81%
49574
77%
**02
99%
Accurate 2460
<<locked>>
81%
49980
78%
**15
100%
Accurate 2495
<<locked>>
81%
42134
66%
**97
100%
Accurate 2520
<<locked>>
81%
43062
67%
**30
99%
[Accurate 2700]*
<<locked>>
87%
41234
64%
**85
90%
Accurate 4064
<<locked>>
81%
35447
55%
**66
99%
[Accurate 4350]*
<<locked>>
86%
30211
47%
**61
90%
Alliant AR-Comp
<<locked>>
81%
43337
68%
**20
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
34592
54%
**43
96%
Alliant Reloder-10x
<<locked>>
81%
51024
80%
**95
100%
Alliant Reloder-15
<<locked>>
81%
37507
59%
**12
95%
[Alliant Reloder-16]*
<<locked>>
86%
31778
50%
**87
90%
[Alliant Reloder-17]*
<<locked>>
81%
30066
47%
**64
92%
[Alliant Reloder-23]*
<<locked>>
94%
28689
45%
**12
90%
Baschieri & Pellagri 106
<<locked>>
81%
53127
83%
**76
100%
Baschieri & Pellagri 107
<<locked>>
81%
40596
63%
**77
95%
Hodgdon BL-C2
<<locked>>
81%
42786
67%
**43
98%
Hodgdon Benchmark
<<locked>>
81%
45716
71%
**04
99%
[Hodgdon CFE223]*
<<locked>>
81%
35723
56%
**99
93%
Hodgdon H322
<<locked>>
81%
46557
73%
**69
100%
[Hodgdon H380]*
<<locked>>
81%
35273
55%
**40
92%
[Hodgdon H414]*
<<locked>>
87%
38218
60%
**58
90%
[Hodgdon Hybrid 100V]*
<<locked>>
84%
27151
42%
**23
90%
[Hodgdon LVR]*
<<locked>>
84%
32721
51%
**07
90%
[Hodgdon Superperformance]*
<<locked>>
92%
41510
65%
**27
90%
[Hodgdon VARGET]*
<<locked>>
81%
35201
55%
**17
94%
Hodgdon TrailBoss
<<locked>>
81%
26469
41%
**45
100%
IMR 3031
<<locked>>
81%
37811
59%
**41
100%
[IMR 4064]*
<<locked>>
81%
34621
54%
**94
94%
[IMR 4166 Enduron]*
<<locked>>
84%
38189
60%
**36
90%
IMR 4198
<<locked>>
81%
51663
81%
**69
100%
[IMR 4350]*
<<locked>>
93%
40118
63%
**31
90%
[IMR 4451 Enduron]*
<<locked>>
86%
38450
60%
**69
90%
[IMR 4831]*
<<locked>>
89%
30139
47%
**38
90%
IMR 4895
<<locked>>
81%
38450
60%
**44
96%
IMR 8208 XBR
<<locked>>
81%
43947
69%
**13
98%
Lovex D073.4
<<locked>>
81%
51880
81%
**41
100%
Lovex D073.5
<<locked>>
81%
49385
77%
**05
100%
Lovex D073.6
<<locked>>
81%
40393
63%
**71
99%
Lovex S060
<<locked>>
81%
42076
66%
**28
97%
Lovex S062
<<locked>>
81%
36695
57%
**59
97%
[Lovex S065]*
<<locked>>
84%
33634
52%
**64
90%
[Lovex S070]*
<<locked>>
90%
37681
59%
**79
90%
Norma 201
<<locked>>
81%
40814
64%
**48
98%
Norma 202
<<locked>>
81%
40973
64%
**64
100%
Norma 203B
<<locked>>
81%
36898
58%
**99
95%
[Norma URP]*
<<locked>>
85%
30748
48%
**61
90%
Ramshot Big Game
<<locked>>
81%
36332
57%
**02
95%
[Ramshot Hunter]*
<<locked>>
91%
36274
57%
**08
90%
[Ramshot TAC]*
<<locked>>
81%
43787
68%
**00
94%
Ramshot Wild Boar
<<locked>>
81%
43076
67%
**30
97%
Ramshot X-Terminator
<<locked>>
81%
47471
74%
**63
98%
ReloadSwiss RS 14
<<locked>>
81%
26585
41%
**85
100%
ReloadSwiss RS 40
<<locked>>
81%
49255
77%
**09
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
35882
56%
**23
90%
ReloadSwiss RS 52
<<locked>>
81%
35404
55%
**08
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
29211
46%
**41
92%
[ReloadSwiss RS 62]*
<<locked>>
87%
31836
50%
**17
90%
[ReloadSwiss RS 70]*
<<locked>>
90%
35433
55%
**02
90%
Rottweil R 901
<<locked>>
81%
44846
70%
**10
100%
Rottweil R 902
<<locked>>
81%
38740
60%
**89
97%
[Rottweil R 903]*
<<locked>>
81%
31923
50%
**71
94%
[Rottweil R 907]*
<<locked>>
89%
40190
63%
**08
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
33286
52%
**26
93%
[SNPE Vectan SP 7]*
<<locked>>
81%
41901
65%
**64
94%
SNPE Vectan SP 9
<<locked>>
81%
40379
63%
**58
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
42482
66%
**12
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34882
54%
**57
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
89%
37608
59%
**23
90%
[Shooters World Long Rifle]*
<<locked>>
84%
33634
52%
**64
90%
Shooters World Match Rifle
<<locked>>
81%
40393
63%
**71
99%
Shooters World Precision
<<locked>>
81%
36695
57%
**59
97%
Shooters World Tactical Rifle
<<locked>>
81%
52562
82%
**28
99%
Somchem S321
<<locked>>
81%
47297
74%
**99
99%
Somchem S335
<<locked>>
81%
41829
65%
**15
100%
Somchem S341
<<locked>>
81%
41466
65%
**64
97%
[Somchem S355]*
<<locked>>
81%
32996
51%
**87
94%
[Somchem S365]*
<<locked>>
83%
25121
39%
**07
90%
Vihtavuori N130
<<locked>>
81%
47413
74%
**90
100%
Vihtavuori N133
<<locked>>
81%
39784
62%
**62
100%
Vihtavuori N135
<<locked>>
81%
32053
50%
**51
99%
Vihtavuori N140
<<locked>>
81%
38247
60%
**82
99%
[Vihtavuori N150]*
<<locked>>
81%
27920
44%
**23
94%
[Vihtavuori N160]*
<<locked>>
83%
31038
48%
**28
90%
Vihtavuori N530
<<locked>>
81%
45948
72%
**66
99%
Vihtavuori N540
<<locked>>
81%
37884
59%
**99
99%
[Vihtavuori N550]*
<<locked>>
83%
31096
49%
**71
90%
[Vihtavuori N555]*
<<locked>>
93%
29225
46%
**67
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28181
44%
**16
91%
Winchester 748
<<locked>>
81%
46499
73%
**18
99%
[Winchester 760]*
<<locked>>
87%
38218
60%
**58
90%
Winchester StaBALL Match
<<locked>>
81%
49501
77%
**58
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.

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

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