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Load data for .300 Rem. SA Ultra Mag + .308 | 55gr | Remington SP ACCELL SABOT

Recommended Powder(s): Accurate 5744, IMR 4227, Lovex D060, ReloadSwiss RS 36, Shooters World Buffalo Rifle

.300 Rem. SA Ultra Mag + .308 | 55gr | Remington SP ACCELL SABOT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 55gr | Remington SP ACCELL SABOT
Bullet Weight:
55gr | 3.6g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.300 Rem. SA Ultra Mag load data
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_B5161_C373
Last updated:
2025-01-01

Load data for 58 loads in caliber .300 Rem. SA Ultra Mag with .308 | 55gr | Remington SP ACCELL SABOT bullet and 29 powders such as Accurate 5744, IMR 4227, Lovex D060, ReloadSwiss RS 36, Shooters World Buffalo Rifle. 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 APS 450
<<locked>>
85%
57435
90%
**70
101%
ADI AR 2205
<<locked>>
88%
56724
88%
**99
100%
ADI AR 2207
<<locked>>
97%
50009
78%
**59
100%
[ADI AR 2219]*
<<locked>>
97%
46702
73%
**47
93%
Accurate 1680
<<locked>>
91%
57624
90%
**34
97%
[Accurate 2015]*
<<locked>>
97%
36216
56%
**42
92%
Accurate 5744 👍
<<locked>>
86%
56855
89%
**09
99%
Accurate No. 11 FS
<<locked>>
84%
56855
89%
**98
100%
[Alliant AR-Comp]*
<<locked>>
97%
32285
50%
**76
92%
Alliant Reloder-10x
<<locked>>
97%
40422
63%
**26
95%
Alliant Reloder-7
<<locked>>
97%
52692
82%
**52
98%
Baschieri & Pellagri 106
<<locked>>
97%
48341
75%
**16
95%
[Hodgdon H4198]*
<<locked>>
97%
50589
79%
**50
94%
Hodgdon TrailBoss
<<locked>>
97%
26803
42%
**76
100%
IMR 4198
<<locked>>
96%
43337
68%
**72
97%
IMR 4227 👍
<<locked>>
94%
56710
88%
**21
100%
Lovex D060 👍
<<locked>>
88%
57377
90%
**09
99%
Lovex D063
<<locked>>
84%
57566
90%
**57
99%
Lovex S053
<<locked>>
96%
56869
89%
**04
100%
Norma 200
<<locked>>
97%
45934
72%
**57
97%
ReloadSwiss RS 14
<<locked>>
96%
25715
40%
**12
100%
ReloadSwiss RS 36 👍
<<locked>>
94%
56869
89%
**44
100%
SNPE Vectan BA6 1/2
<<locked>>
97%
51924
81%
**35
100%
[SNPE Vectan SP 10]*
<<locked>>
97%
46746
73%
**27
92%
Shooters World Blackout
<<locked>>
84%
57566
90%
**57
99%
Shooters World Buffalo Rifle 👍
<<locked>>
88%
57377
90%
**09
99%
Vihtavuori N110
<<locked>>
91%
56869
89%
**68
100%
Vihtavuori N120
<<locked>>
97%
45948
72%
**21
100%
[Vihtavuori N130]*
<<locked>>
97%
38493
60%
**78
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
53577
84%
**01
100%
ADI AR 2205
<<locked>>
81%
44933
70%
**76
100%
[ADI AR 2207]*
<<locked>>
81%
28181
44%
**48
94%
[ADI AR 2219]*
<<locked>>
93%
39798
62%
**57
90%
[Accurate 1680]*
<<locked>>
81%
39262
61%
**01
92%
[Accurate 2015]*
<<locked>>
94%
32314
50%
**30
90%
Accurate 5744
<<locked>>
81%
48138
75%
**06
97%
Accurate No. 11 FS
<<locked>>
81%
50531
79%
**73
100%
[Alliant AR-Comp]*
<<locked>>
94%
29588
46%
**68
90%
[Alliant Reloder-10x]*
<<locked>>
89%
30719
48%
**07
90%
[Alliant Reloder-7]*
<<locked>>
81%
30023
47%
**25
91%
[Baschieri & Pellagri 106]*
<<locked>>
89%
36071
56%
**11
90%
[Hodgdon H4198]*
<<locked>>
90%
40567
63%
**98
90%
Hodgdon TrailBoss
<<locked>>
81%
20392
32%
**52
100%
[IMR 4198]*
<<locked>>
84%
29066
45%
**99
90%
IMR 4227
<<locked>>
81%
36463
57%
**39
96%
Lovex D060
<<locked>>
81%
45411
71%
**34
97%
Lovex D063
<<locked>>
81%
51953
81%
**42
98%
Lovex S053
<<locked>>
81%
34983
55%
**06
99%
[Norma 200]*
<<locked>>
84%
28514
44%
**15
90%
ReloadSwiss RS 14
<<locked>>
81%
19609
31%
**95
100%
ReloadSwiss RS 36
<<locked>>
81%
35607
56%
**32
96%
SNPE Vectan BA6 1/2
<<locked>>
81%
32329
50%
**12
100%
[SNPE Vectan SP 10]*
<<locked>>
94%
42250
66%
**16
90%
Shooters World Blackout
<<locked>>
81%
51953
81%
**42
98%
Shooters World Buffalo Rifle
<<locked>>
81%
45411
71%
**34
97%
Vihtavuori N110
<<locked>>
81%
41626
65%
**80
100%
[Vihtavuori N120]*
<<locked>>
81%
26382
41%
**27
94%
[Vihtavuori N130]*
<<locked>>
91%
31082
48%
**32
90%

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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