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Load data for .22-250 Ackley Improved + .224 | 50gr | Impala RNFP KO

Recommended Powder(s): Accurate 4064, IMR 3031, ReloadSwiss RS 60, Vihtavuori N540, Winchester 748

.22-250 Ackley Improved + .224 | 50gr | Impala RNFP KO

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.224 | 50gr | Impala RNFP KO
Bullet Weight:
50gr | 3.2g
Bullet Diameter:
0.224" | 5.69mm
Bullet Length:
<<locked>>
Caliber:
.22-250 Ackley Improved load data
Case Length (l3):
1.940" | 49.3mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
46.9 Grains of Water | 3.05 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
57986 psi | 3998 bar
LID:
LID_B2961_C1041
Last updated:
2026-03-24

Load data for 154 loads in caliber .22-250 Ackley Improved with .224 | 50gr | Impala RNFP KO bullet and 77 powders such as Accurate 4064, IMR 3031, ReloadSwiss RS 60, Vihtavuori N540, Winchester 748. 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>>
88%
51227
88%
**12
97%
ADI AR 2208
<<locked>>
94%
51779
89%
**93
96%
ADI Benchmark 8208
<<locked>>
86%
51242
88%
**96
98%
Accurate 2015
<<locked>>
84%
51721
89%
**66
100%
Accurate 2200
<<locked>>
86%
51721
89%
**76
95%
Accurate 2495
<<locked>>
87%
51663
89%
**35
100%
Accurate 2520
<<locked>>
86%
51300
88%
**15
99%
Accurate 4064 👍
<<locked>>
92%
51068
88%
**12
100%
[Accurate 4350]*
<<locked>>
97%
44715
77%
**07
93%
Alliant AR-Comp
<<locked>>
87%
51938
90%
**42
100%
Alliant Power Pro 2000-MR
<<locked>>
90%
51271
88%
**24
96%
Alliant Reloder- TS 15.5
<<locked>>
93%
51068
88%
**19
98%
Alliant Reloder-15
<<locked>>
92%
52112
90%
**52
96%
[Alliant Reloder-16]*
<<locked>>
97%
43816
76%
**97
93%
Alliant Reloder-17
<<locked>>
96%
49951
86%
**78
97%
Baschieri & Pellagri 107
<<locked>>
88%
51488
89%
**19
96%
Bofors RP3
<<locked>>
93%
51619
89%
**32
98%
Hodgdon BL-C2
<<locked>>
87%
51793
89%
**45
98%
Hodgdon Benchmark
<<locked>>
86%
52156
90%
**73
99%
Hodgdon CFE223
<<locked>>
92%
51416
89%
**52
95%
Hodgdon H322
<<locked>>
85%
51648
89%
**22
100%
Hodgdon H380
<<locked>>
92%
51082
88%
**99
95%
Hodgdon H4895
<<locked>>
88%
51605
89%
**32
97%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
40292
69%
**60
94%
[Hodgdon LVR]*
<<locked>>
97%
48283
83%
**76
93%
Hodgdon VARGET
<<locked>>
93%
50995
88%
**79
96%
Hodgdon TrailBoss
<<locked>>
95%
32692
56%
**29
100%
IMR 3031 👍
<<locked>>
92%
52098
90%
**88
100%
IMR 4064
<<locked>>
94%
51285
88%
**86
96%
[IMR 4166 Enduron]*
<<locked>>
94%
51822
89%
**40
92%
[IMR 4451 Enduron]*
<<locked>>
96%
51576
89%
**56
92%
IMR 4895
<<locked>>
90%
50908
88%
**52
97%
IMR 8208 XBR
<<locked>>
86%
51242
88%
**96
98%
Lovex D073.6
<<locked>>
88%
51663
89%
**22
99%
Lovex S060
<<locked>>
88%
52025
90%
**66
97%
Lovex S062
<<locked>>
91%
50807
88%
**86
98%
[Lovex S065]*
<<locked>>
97%
49342
85%
**20
93%
Norma 201
<<locked>>
88%
51111
88%
**86
98%
Norma 202
<<locked>>
88%
50952
88%
**99
100%
Norma 203B
<<locked>>
92%
51256
88%
**38
97%
[Norma URP]*
<<locked>>
96%
43816
76%
**91
93%
Ramshot Big Game
<<locked>>
92%
51808
89%
**48
97%
[Ramshot TAC]*
<<locked>>
86%
51314
88%
**70
94%
Ramshot Wild Boar
<<locked>>
87%
51517
89%
**25
97%
Ramshot X-Terminator
<<locked>>
84%
52112
90%
**70
97%
ReloadSwiss RS 14
<<locked>>
97%
33823
58%
**02
100%
[ReloadSwiss RS 50]*
<<locked>>
92%
51343
89%
**63
93%
ReloadSwiss RS 52
<<locked>>
90%
51721
89%
**27
96%
ReloadSwiss RS 60 👍
<<locked>>
96%
52127
90%
**60
99%
[ReloadSwiss RS 62]*
<<locked>>
96%
43743
75%
**94
92%
Rottweil R 901
<<locked>>
85%
51024
88%
**73
99%
Rottweil R 902
<<locked>>
90%
51213
88%
**76
98%
Rottweil R 903
<<locked>>
96%
52185
90%
**38
98%
SNPE Vectan SP 11
<<locked>>
95%
51895
90%
**65
97%
[SNPE Vectan SP 7]*
<<locked>>
87%
51097
88%
**66
94%
SNPE Vectan SP 9
<<locked>>
89%
51648
89%
**06
97%
SNPE Vectan Tubal 3000
<<locked>>
88%
51576
89%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
50908
88%
**94
100%
[Shooters World Long Rifle]*
<<locked>>
97%
49342
85%
**20
93%
Shooters World Match Rifle
<<locked>>
88%
51663
89%
**22
99%
Shooters World Precision
<<locked>>
91%
50807
88%
**86
98%
Somchem S321
<<locked>>
84%
52069
90%
**22
98%
Somchem S335
<<locked>>
88%
51938
90%
**30
100%
Somchem S341
<<locked>>
88%
51706
89%
**86
97%
Somchem S355
<<locked>>
95%
51750
89%
**15
97%
Somchem S365
<<locked>>
96%
39044
67%
**09
95%
Vihtavuori N130
<<locked>>
84%
51793
89%
**20
100%
Vihtavuori N133
<<locked>>
90%
51576
89%
**33
100%
Vihtavuori N135
<<locked>>
96%
50821
88%
**70
100%
Vihtavuori N140
<<locked>>
91%
52025
90%
**83
100%
Vihtavuori N150
<<locked>>
96%
45382
78%
**51
97%
[Vihtavuori N160]*
<<locked>>
97%
48921
84%
**50
94%
Vihtavuori N530
<<locked>>
85%
51953
90%
**32
98%
Vihtavuori N540 👍
<<locked>>
91%
51808
89%
**06
100%
[Vihtavuori N550]*
<<locked>>
97%
49066
85%
**99
94%
Winchester 6.5 StaBALL
<<locked>>
97%
47688
82%
**84
97%
Winchester 748 👍
<<locked>>
84%
50865
88%
**38
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
41452
71%
**83
94%
[ADI AR 2208]*
<<locked>>
81%
35549
61%
**86
90%
ADI Benchmark 8208
<<locked>>
81%
43352
75%
**15
96%
Accurate 2015
<<locked>>
81%
47050
81%
**78
100%
[Accurate 2200]*
<<locked>>
81%
43859
76%
**96
93%
Accurate 2495
<<locked>>
81%
43453
75%
**61
100%
Accurate 2520
<<locked>>
81%
43221
75%
**45
98%
Accurate 4064
<<locked>>
81%
36724
63%
**74
97%
[Accurate 4350]*
<<locked>>
92%
37115
64%
**23
90%
Alliant AR-Comp
<<locked>>
81%
42395
73%
**55
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
82%
38508
66%
**76
90%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
34766
60%
**12
92%
[Alliant Reloder-15]*
<<locked>>
81%
37188
64%
**81
91%
[Alliant Reloder-16]*
<<locked>>
93%
39189
68%
**56
90%
[Alliant Reloder-17]*
<<locked>>
85%
34229
59%
**45
90%
[Baschieri & Pellagri 107]*
<<locked>>
81%
40770
70%
**73
92%
[Bofors RP3]*
<<locked>>
81%
34780
60%
**22
92%
Hodgdon BL-C2
<<locked>>
81%
43091
74%
**58
96%
Hodgdon Benchmark
<<locked>>
81%
45339
78%
**15
97%
[Hodgdon CFE223]*
<<locked>>
83%
38014
66%
**14
90%
Hodgdon H322
<<locked>>
81%
45571
79%
**94
99%
[Hodgdon H380]*
<<locked>>
84%
39349
68%
**14
90%
Hodgdon H4895
<<locked>>
81%
41930
72%
**09
95%
[Hodgdon Hybrid 100V]*
<<locked>>
90%
33388
58%
**59
90%
[Hodgdon LVR]*
<<locked>>
91%
40030
69%
**76
90%
[Hodgdon VARGET]*
<<locked>>
82%
35810
62%
**96
90%
Hodgdon TrailBoss
<<locked>>
81%
26716
46%
**65
100%
IMR 3031
<<locked>>
81%
37434
65%
**56
99%
[IMR 4064]*
<<locked>>
81%
34911
60%
**76
90%
[IMR 4166 Enduron]*
<<locked>>
91%
47326
82%
**32
90%
[IMR 4451 Enduron]*
<<locked>>
93%
47021
81%
**61
90%
[IMR 4895]*
<<locked>>
81%
38130
66%
**33
93%
IMR 8208 XBR
<<locked>>
81%
43352
75%
**15
96%
Lovex D073.6
<<locked>>
81%
40524
70%
**79
97%
[Lovex S060]*
<<locked>>
81%
42192
73%
**27
94%
[Lovex S062]*
<<locked>>
81%
37492
65%
**58
94%
[Lovex S065]*
<<locked>>
91%
41959
72%
**46
90%
Norma 201
<<locked>>
81%
41408
71%
**63
96%
Norma 202
<<locked>>
81%
40959
71%
**69
98%
[Norma 203B]*
<<locked>>
81%
36767
63%
**74
92%
[Norma URP]*
<<locked>>
92%
38014
66%
**33
90%
[Ramshot Big Game]*
<<locked>>
81%
36187
62%
**61
91%
[Ramshot TAC]*
<<locked>>
81%
43845
76%
**89
91%
[Ramshot Wild Boar]*
<<locked>>
81%
42815
74%
**15
94%
Ramshot X-Terminator
<<locked>>
81%
47601
82%
**78
96%
ReloadSwiss RS 14
<<locked>>
81%
26803
46%
**08
100%
[ReloadSwiss RS 50]*
<<locked>>
88%
44512
77%
**09
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
38392
66%
**86
91%
[ReloadSwiss RS 60]*
<<locked>>
81%
32576
56%
**02
92%
[ReloadSwiss RS 62]*
<<locked>>
93%
38870
67%
**63
90%
Rottweil R 901
<<locked>>
81%
45701
79%
**51
99%
Rottweil R 902
<<locked>>
81%
39407
68%
**01
95%
[Rottweil R 903]*
<<locked>>
81%
32445
56%
**33
91%
[SNPE Vectan SP 11]*
<<locked>>
82%
35128
61%
**35
91%
[SNPE Vectan SP 7]*
<<locked>>
81%
42163
73%
**56
91%
[SNPE Vectan SP 9]*
<<locked>>
81%
40132
69%
**33
93%
SNPE Vectan Tubal 3000
<<locked>>
81%
42685
74%
**27
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
35244
61%
**43
97%
[Shooters World Long Rifle]*
<<locked>>
91%
41959
72%
**46
90%
Shooters World Match Rifle
<<locked>>
81%
40524
70%
**79
97%
[Shooters World Precision]*
<<locked>>
81%
37492
65%
**58
94%
Somchem S321
<<locked>>
81%
47442
82%
**24
97%
Somchem S335
<<locked>>
81%
42424
73%
**40
99%
[Somchem S341]*
<<locked>>
81%
41452
71%
**56
94%
[Somchem S355]*
<<locked>>
81%
33518
58%
**63
91%
[Somchem S365]*
<<locked>>
89%
31038
54%
**43
90%
Vihtavuori N130
<<locked>>
81%
46978
81%
**35
100%
Vihtavuori N133
<<locked>>
81%
39392
68%
**71
99%
Vihtavuori N135
<<locked>>
81%
32387
56%
**33
97%
Vihtavuori N140
<<locked>>
81%
38072
66%
**78
98%
[Vihtavuori N150]*
<<locked>>
81%
28442
49%
**79
90%
[Vihtavuori N160]*
<<locked>>
89%
38595
67%
**97
90%
Vihtavuori N530
<<locked>>
81%
46021
79%
**97
97%
Vihtavuori N540
<<locked>>
81%
38087
66%
**84
97%
[Vihtavuori N550]*
<<locked>>
89%
38493
66%
**50
90%
[Winchester 6.5 StaBALL]*
<<locked>>
85%
33301
57%
**87
90%
Winchester 748
<<locked>>
81%
46325
80%
**40
98%

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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