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Load data for .308 Win. Ackley Improved + .308 | 250gr | Barnes RNSP

Recommended Powder(s): Accurate 4350, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N160, Vihtavuori N550

.308 Win. Ackley Improved + .308 | 250gr | Barnes RNSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 250gr | Barnes RNSP
Manufacturer SKU:
30860
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.420" | 36.1mm
Caliber:
.308 Win. Ackley Improved load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
2.758" | 70.1mm
Seated Depth:
0.676" | 17.2mm
Shank Seated Depth:
0.676" | 17.2mm
Case Capacity:
59.0 Grains of Water | 3.83 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B644_C403
Last updated:
2025-01-01

Load data for 194 loads in caliber .308 Win. Ackley Improved with .308 | 250gr | Barnes RNSP bullet and 97 powders such as Accurate 4350, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N160, Vihtavuori N550. 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.

    .

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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>>
86%
53127
88%
**52
100%
ADI AR 2208
<<locked>>
92%
53983
90%
**56
100%
ADI AR 2209
<<locked>>
96%
42206
70%
**67
95%
Accurate 2200
<<locked>>
84%
53055
88%
**26
100%
Accurate 2495
<<locked>>
85%
53853
89%
**19
100%
Accurate 2520
<<locked>>
85%
54157
90%
**52
100%
Accurate 2700
<<locked>>
93%
54070
90%
**23
98%
Accurate 3100
<<locked>>
97%
34983
58%
**62
96%
Accurate 4064
<<locked>>
91%
53026
88%
**39
100%
Accurate 4350 👍
<<locked>>
97%
49269
82%
**78
100%
Alliant AR-Comp
<<locked>>
84%
53040
88%
**90
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
53563
89%
**69
100%
Alliant Reloder-15
<<locked>>
90%
53838
89%
**85
100%
Alliant Reloder-16
<<locked>>
97%
47572
79%
**75
100%
Alliant Reloder-17
<<locked>>
96%
53055
88%
**60
100%
Alliant Reloder-19
<<locked>>
97%
41959
70%
**73
95%
[Alliant Reloder-22]*
<<locked>>
97%
35926
60%
**08
93%
Alliant Reloder-23
<<locked>>
96%
33794
56%
**82
99%
[Alliant Reloder-25]*
<<locked>>
96%
30081
50%
**00
93%
Alliant Reloder-26
<<locked>>
97%
36985
61%
**96
98%
Baschieri & Pellagri 107
<<locked>>
86%
53200
88%
**78
100%
Hodgdon BL-C2
<<locked>>
85%
53476
89%
**78
100%
Hodgdon Benchmark
<<locked>>
83%
53026
88%
**87
100%
Hodgdon CFE223
<<locked>>
90%
53563
89%
**18
100%
Hodgdon H322
<<locked>>
83%
54027
90%
**13
100%
Hodgdon H380
<<locked>>
91%
53316
89%
**75
100%
Hodgdon H414
<<locked>>
95%
53606
89%
**38
99%
Hodgdon H4350
<<locked>>
96%
46151
77%
**83
97%
Hodgdon Hybrid 100V
<<locked>>
97%
44440
74%
**87
100%
Hodgdon LVR 👍
<<locked>>
97%
53345
89%
**18
100%
Hodgdon Superperformance
<<locked>>
97%
52083
87%
**41
98%
Hodgdon VARGET
<<locked>>
92%
53983
90%
**56
100%
IMR 3031
<<locked>>
89%
53069
88%
**36
100%
IMR 4064
<<locked>>
93%
53896
90%
**46
100%
IMR 4166 Enduron
<<locked>>
93%
53867
89%
**29
99%
IMR 4350
<<locked>>
96%
48588
81%
**16
98%
IMR 4451 Enduron
<<locked>>
94%
53359
89%
**52
99%
IMR 4831
<<locked>>
97%
41814
69%
**64
99%
IMR 4895
<<locked>>
89%
53954
90%
**92
100%
[IMR 4955 Enduron]*
<<locked>>
97%
39958
66%
**82
92%
IMR 8208 XBR
<<locked>>
85%
53330
89%
**26
100%
Lovex D073.6
<<locked>>
87%
53737
89%
**49
100%
Lovex S060
<<locked>>
86%
53287
89%
**00
100%
Lovex S062
<<locked>>
90%
53229
88%
**39
100%
Lovex S065
<<locked>>
96%
53113
88%
**52
99%
Lovex S070
<<locked>>
97%
50604
84%
**46
99%
[Lovex S071]*
<<locked>>
96%
28747
48%
**44
93%
Norma 201
<<locked>>
87%
53243
88%
**26
100%
Norma 202
<<locked>>
87%
53621
89%
**26
100%
Norma 203B
<<locked>>
90%
52997
88%
**75
100%
Norma 204
<<locked>>
96%
48704
81%
**49
96%
Norma MRP
<<locked>>
96%
37188
62%
**60
95%
Norma URP
<<locked>>
97%
48211
80%
**62
100%
Ramshot Big Game
<<locked>>
90%
53795
89%
**05
100%
Ramshot Hunter
<<locked>>
96%
46717
78%
**56
99%
[Ramshot Magnum]*
<<locked>>
97%
34693
58%
**62
92%
Ramshot TAC
<<locked>>
85%
53026
88%
**46
100%
Ramshot Wild Boar
<<locked>>
85%
53287
89%
**65
100%
ReloadSwiss RS 50
<<locked>>
91%
53563
89%
**62
99%
ReloadSwiss RS 52
<<locked>>
91%
54157
90%
**08
100%
ReloadSwiss RS 60
<<locked>>
97%
53882
90%
**87
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
48950
81%
**98
100%
ReloadSwiss RS 70
<<locked>>
97%
48660
81%
**18
100%
Rottweil R 901
<<locked>>
84%
53258
88%
**93
100%
Rottweil R 902
<<locked>>
89%
53214
88%
**19
100%
Rottweil R 903
<<locked>>
94%
53229
88%
**72
100%
[Rottweil R 904]*
<<locked>>
96%
43758
73%
**54
94%
Rottweil R 905
<<locked>>
97%
40480
67%
**57
95%
Rottweil R 907
<<locked>>
95%
52910
88%
**49
98%
SNPE Vectan SP 11
<<locked>>
93%
53388
89%
**05
100%
SNPE Vectan SP 7
<<locked>>
86%
53185
88%
**46
100%
SNPE Vectan SP 9
<<locked>>
87%
53403
89%
**59
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
53011
88%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
53258
88%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
53519
89%
**23
99%
Shooters World Long Rifle
<<locked>>
96%
53113
88%
**52
99%
Shooters World Match Rifle
<<locked>>
87%
53737
89%
**49
100%
Shooters World Precision
<<locked>>
90%
53229
88%
**39
100%
Somchem S335
<<locked>>
86%
53127
88%
**60
100%
Somchem S341
<<locked>>
86%
54143
90%
**56
100%
Somchem S355
<<locked>>
94%
53548
89%
**69
100%
[Somchem S361]*
<<locked>>
97%
45179
75%
**54
93%
Somchem S365
<<locked>>
96%
42931
71%
**23
100%
Somchem S385
<<locked>>
97%
40306
67%
**37
96%
Vihtavuori N133
<<locked>>
88%
53505
89%
**44
100%
Vihtavuori N135
<<locked>>
95%
53272
88%
**93
100%
Vihtavuori N140
<<locked>>
89%
54041
90%
**10
100%
Vihtavuori N150
<<locked>>
97%
50633
84%
**03
100%
Vihtavuori N160 👍
<<locked>>
97%
53621
89%
**88
100%
[Vihtavuori N165]*
<<locked>>
97%
34040
57%
**09
93%
Vihtavuori N530
<<locked>>
83%
53650
89%
**39
100%
Vihtavuori N540
<<locked>>
89%
53896
90%
**39
100%
Vihtavuori N550 👍
<<locked>>
97%
53548
89%
**28
100%
Vihtavuori N555
<<locked>>
97%
36521
61%
**41
99%
Winchester 6.5 StaBALL
<<locked>>
96%
50879
85%
**42
100%
Winchester 760
<<locked>>
95%
53606
89%
**38
99%
Winchester StaBALL HD
<<locked>>
96%
29950
50%
**75
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
45397
75%
**57
100%
ADI AR 2208
<<locked>>
81%
38421
64%
**42
99%
[ADI AR 2209]*
<<locked>>
88%
32126
53%
**80
90%
Accurate 2200
<<locked>>
81%
47427
79%
**57
100%
Accurate 2495
<<locked>>
81%
46775
78%
**41
100%
Accurate 2520
<<locked>>
81%
47311
79%
**77
100%
[Accurate 2700]*
<<locked>>
81%
37115
62%
**86
94%
[Accurate 3100]*
<<locked>>
85%
23801
40%
**26
90%
Accurate 4064
<<locked>>
81%
39421
65%
**69
100%
Accurate 4350
<<locked>>
81%
28660
48%
**47
96%
Alliant AR-Comp
<<locked>>
81%
48066
80%
**37
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
38058
63%
**62
100%
Alliant Reloder-15
<<locked>>
81%
40944
68%
**11
99%
Alliant Reloder-16
<<locked>>
81%
29675
49%
**57
96%
Alliant Reloder-17
<<locked>>
81%
32851
55%
**52
99%
[Alliant Reloder-19]*
<<locked>>
87%
30821
51%
**64
90%
[Alliant Reloder-22]*
<<locked>>
92%
30821
51%
**03
90%
[Alliant Reloder-23]*
<<locked>>
81%
21524
36%
**73
92%
[Alliant Reloder-25]*
<<locked>>
91%
25860
43%
**88
90%
[Alliant Reloder-26]*
<<locked>>
83%
23801
40%
**78
90%
Baschieri & Pellagri 107
<<locked>>
81%
44396
74%
**67
99%
Hodgdon BL-C2
<<locked>>
81%
46615
77%
**96
100%
Hodgdon Benchmark
<<locked>>
81%
49574
82%
**44
100%
Hodgdon CFE223
<<locked>>
81%
39073
65%
**21
99%
Hodgdon H322
<<locked>>
81%
50386
84%
**73
100%
Hodgdon H380
<<locked>>
81%
38783
64%
**75
98%
[Hodgdon H414]*
<<locked>>
81%
33939
56%
**36
94%
[Hodgdon H4350]*
<<locked>>
81%
28863
48%
**78
91%
Hodgdon Hybrid 100V
<<locked>>
81%
27398
46%
**88
97%
Hodgdon LVR
<<locked>>
81%
32198
53%
**93
96%
[Hodgdon Superperformance]*
<<locked>>
81%
30458
51%
**77
91%
Hodgdon VARGET
<<locked>>
81%
38421
64%
**42
99%
IMR 3031
<<locked>>
81%
41626
69%
**01
100%
IMR 4064
<<locked>>
81%
38130
63%
**32
99%
IMR 4166 Enduron
<<locked>>
81%
37695
63%
**96
95%
[IMR 4350]*
<<locked>>
81%
30443
51%
**11
92%
IMR 4451 Enduron
<<locked>>
81%
35679
59%
**93
95%
[IMR 4831]*
<<locked>>
81%
25483
42%
**55
94%
IMR 4895
<<locked>>
81%
42003
70%
**34
100%
[IMR 4955 Enduron]*
<<locked>>
94%
36622
61%
**26
90%
IMR 8208 XBR
<<locked>>
81%
47659
79%
**60
100%
Lovex D073.6
<<locked>>
81%
44599
74%
**41
100%
Lovex S060
<<locked>>
81%
45585
76%
**01
100%
Lovex S062
<<locked>>
81%
40524
67%
**75
100%
Lovex S065
<<locked>>
81%
33170
55%
**54
96%
[Lovex S070]*
<<locked>>
81%
31560
52%
**41
94%
[Lovex S071]*
<<locked>>
90%
23801
40%
**26
90%
Norma 201
<<locked>>
81%
44527
74%
**18
100%
Norma 202
<<locked>>
81%
44730
74%
**18
100%
Norma 203B
<<locked>>
81%
40451
67%
**05
100%
[Norma 204]*
<<locked>>
83%
31575
52%
**64
90%
[Norma MRP]*
<<locked>>
88%
28558
47%
**73
90%
Norma URP
<<locked>>
81%
29675
49%
**54
96%
Ramshot Big Game
<<locked>>
81%
39943
66%
**21
99%
[Ramshot Hunter]*
<<locked>>
81%
28819
48%
**34
93%
[Ramshot Magnum]*
<<locked>>
94%
31575
52%
**96
90%
Ramshot TAC
<<locked>>
81%
47645
79%
**77
99%
Ramshot Wild Boar
<<locked>>
81%
46615
77%
**83
100%
ReloadSwiss RS 50
<<locked>>
81%
39204
65%
**62
97%
ReloadSwiss RS 52
<<locked>>
81%
38943
65%
**11
100%
ReloadSwiss RS 60
<<locked>>
81%
31981
53%
**46
99%
ReloadSwiss RS 62
<<locked>>
81%
28761
48%
**60
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
29196
49%
**60
94%
Rottweil R 901
<<locked>>
81%
48776
81%
**41
100%
Rottweil R 902
<<locked>>
81%
42453
71%
**85
100%
Rottweil R 903
<<locked>>
81%
35752
59%
**32
99%
[Rottweil R 904]*
<<locked>>
88%
34127
57%
**86
90%
[Rottweil R 905]*
<<locked>>
87%
29994
50%
**54
90%
[Rottweil R 907]*
<<locked>>
81%
34345
57%
**67
94%
SNPE Vectan SP 11
<<locked>>
81%
36419
61%
**65
99%
SNPE Vectan SP 7
<<locked>>
81%
45498
76%
**54
99%
SNPE Vectan SP 9
<<locked>>
81%
43700
73%
**34
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
46021
76%
**72
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
38363
64%
**77
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31865
53%
**08
94%
Shooters World Long Rifle
<<locked>>
81%
33170
55%
**54
96%
Shooters World Match Rifle
<<locked>>
81%
44599
74%
**41
100%
Shooters World Precision
<<locked>>
81%
40524
67%
**75
100%
Somchem S335
<<locked>>
81%
45411
75%
**75
100%
Somchem S341
<<locked>>
81%
45324
75%
**47
100%
Somchem S355
<<locked>>
81%
36390
60%
**29
99%
[Somchem S361]*
<<locked>>
91%
36927
61%
**23
90%
Somchem S365
<<locked>>
81%
26426
44%
**18
98%
[Somchem S385]*
<<locked>>
84%
27340
45%
**91
90%
Vihtavuori N133
<<locked>>
81%
43366
72%
**26
100%
Vihtavuori N135
<<locked>>
81%
35621
59%
**73
100%
Vihtavuori N140
<<locked>>
81%
42018
70%
**69
100%
Vihtavuori N150
<<locked>>
81%
30937
51%
**18
99%
Vihtavuori N160
<<locked>>
81%
32256
54%
**73
97%
[Vihtavuori N165]*
<<locked>>
92%
29733
49%
**24
90%
Vihtavuori N530
<<locked>>
81%
50038
83%
**96
100%
Vihtavuori N540
<<locked>>
81%
41162
68%
**82
100%
Vihtavuori N550
<<locked>>
81%
32416
54%
**09
97%
[Vihtavuori N555]*
<<locked>>
81%
22611
38%
**29
93%
Winchester 6.5 StaBALL
<<locked>>
81%
30632
51%
**37
98%
[Winchester 760]*
<<locked>>
81%
33939
56%
**36
94%
[Winchester StaBALL HD]*
<<locked>>
84%
20885
35%
**93
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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