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Load data for .22-250 Ackley Improved + .224 | 75gr | RMR BTHP

Recommended Powder(s): Alliant Reloder-17, ReloadSwiss RS 60, Somchem S365, Vihtavuori N160, Vihtavuori N550

.22-250 Ackley Improved + .224 | 75gr | RMR BTHP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.224 | 75gr | RMR BTHP
Manufacturer SKU:
3GH
Bullet Weight:
75gr | 4.9g
Bullet Diameter:
0.224" | 5.69mm
Bullet Length:
0.957" | 24.3mm
Caliber:
.22-250 Ackley Improved load data
Case Length (l3):
1.940" | 49.3mm
Cartridge Length (C.O.L.):
2.394" | 60.8mm
Seated Depth:
0.503" | 12.8mm
Shank Seated Depth:
0.366" | 9.3mm
Case Capacity:
46.9 Grains of Water | 3.05 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
57986 psi | 3998 bar
LID:
LID_B12004_C1041
Last updated:
2025-11-16
Recommended Twist Rate:
1:9 - 1:8

Load data for 146 loads in caliber .22-250 Ackley Improved with .224 | 75gr | RMR BTHP bullet and 73 powders such as Alliant Reloder-17, ReloadSwiss RS 60, Somchem S365, 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".

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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 2208
<<locked>>
88%
51169
88%
**71
99%
[ADI AR 2209]*
<<locked>>
97%
46891
81%
**51
93%
Accurate 2700
<<locked>>
88%
51010
88%
**02
96%
[Accurate 3100]*
<<locked>>
96%
39059
67%
**64
94%
Accurate 4064
<<locked>>
87%
51532
89%
**71
100%
Accurate 4350
<<locked>>
95%
51430
89%
**46
99%
Alliant Reloder- TS 15.5
<<locked>>
88%
51967
90%
**07
100%
Alliant Reloder-15
<<locked>>
86%
51924
90%
**20
99%
Alliant Reloder-16
<<locked>>
96%
50894
88%
**82
99%
Alliant Reloder-17 👍
<<locked>>
92%
52156
90%
**15
100%
[Alliant Reloder-19]*
<<locked>>
96%
45382
78%
**25
93%
Alliant Reloder-23
<<locked>>
96%
37594
65%
**00
98%
Alliant Reloder-26
<<locked>>
97%
42090
73%
**71
97%
Baschieri & Pellagri 107
<<locked>>
83%
52112
90%
**14
99%
Hodgdon CFE223
<<locked>>
86%
51663
89%
**50
99%
Hodgdon H380
<<locked>>
87%
51648
89%
**04
99%
Hodgdon H414
<<locked>>
91%
51880
89%
**63
97%
Hodgdon H4350
<<locked>>
96%
50560
87%
**64
96%
Hodgdon Hybrid 100V
<<locked>>
97%
49052
85%
**74
100%
Hodgdon LVR
<<locked>>
92%
50734
87%
**33
98%
Hodgdon Superperformance
<<locked>>
93%
51924
90%
**86
96%
Hodgdon VARGET
<<locked>>
88%
51793
89%
**84
99%
Hodgdon TrailBoss
<<locked>>
96%
33649
58%
**29
100%
IMR 3031
<<locked>>
85%
51416
89%
**91
100%
IMR 4064
<<locked>>
88%
51271
88%
**61
99%
IMR 4166 Enduron
<<locked>>
89%
51909
90%
**48
97%
IMR 4350
<<locked>>
95%
51488
89%
**87
96%
IMR 4451 Enduron
<<locked>>
91%
51851
89%
**68
97%
IMR 4831
<<locked>>
97%
46441
80%
**31
98%
IMR 4895
<<locked>>
85%
51967
90%
**33
100%
Lovex S062
<<locked>>
87%
52156
90%
**77
100%
Lovex S065
<<locked>>
92%
50966
88%
**68
98%
Lovex S070
<<locked>>
95%
52170
90%
**97
97%
Norma 201
<<locked>>
83%
51488
89%
**54
100%
Norma 202
<<locked>>
83%
52040
90%
**61
100%
Norma 203B
<<locked>>
86%
51271
88%
**07
100%
[Norma 204]*
<<locked>>
95%
51082
88%
**10
94%
[Norma MRP]*
<<locked>>
97%
42496
73%
**31
94%
Norma URP
<<locked>>
95%
51648
89%
**56
99%
Ramshot Big Game
<<locked>>
86%
50952
88%
**20
100%
Ramshot Hunter
<<locked>>
96%
52098
90%
**76
98%
ReloadSwiss RS 14
<<locked>>
95%
33823
58%
**69
100%
ReloadSwiss RS 50
<<locked>>
87%
51851
89%
**84
97%
ReloadSwiss RS 52
<<locked>>
86%
51503
89%
**36
100%
ReloadSwiss RS 60 👍
<<locked>>
93%
51779
89%
**32
100%
ReloadSwiss RS 62
<<locked>>
95%
50908
88%
**56
99%
ReloadSwiss RS 70
<<locked>>
95%
51547
89%
**12
99%
Rottweil R 902
<<locked>>
85%
51445
89%
**48
100%
Rottweil R 903
<<locked>>
90%
51547
89%
**97
100%
[Rottweil R 904]*
<<locked>>
96%
48051
83%
**22
92%
[Rottweil R 905]*
<<locked>>
96%
43859
76%
**02
93%
Rottweil R 907
<<locked>>
92%
51561
89%
**71
96%
SNPE Vectan SP 11
<<locked>>
89%
51547
89%
**33
100%
SNPE Vectan SP 9
<<locked>>
83%
50937
88%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
50952
88%
**66
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
51924
90%
**22
97%
Shooters World Long Rifle
<<locked>>
92%
50966
88%
**68
98%
Shooters World Precision
<<locked>>
87%
52156
90%
**77
100%
Somchem S355
<<locked>>
89%
50952
88%
**81
100%
[Somchem S361]*
<<locked>>
97%
50227
87%
**18
92%
Somchem S365 👍
<<locked>>
97%
48805
84%
**40
100%
Somchem S385
<<locked>>
97%
45542
79%
**02
95%
Vihtavuori N133
<<locked>>
84%
50937
88%
**59
100%
Vihtavuori N135
<<locked>>
91%
51953
90%
**25
100%
Vihtavuori N140
<<locked>>
85%
51474
89%
**28
100%
Vihtavuori N150
<<locked>>
94%
51401
89%
**54
100%
Vihtavuori N160 👍
<<locked>>
93%
52040
90%
**10
99%
Vihtavuori N540
<<locked>>
85%
50966
88%
**41
100%
Vihtavuori N550 👍
<<locked>>
92%
50966
88%
**36
99%
Vihtavuori N555
<<locked>>
97%
41582
72%
**95
98%
Winchester 6.5 StaBALL
<<locked>>
94%
51039
88%
**74
100%
Winchester 760
<<locked>>
91%
51880
89%
**63
97%
Winchester StaBALL HD
<<locked>>
96%
33359
58%
**74
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
41626
72%
**77
98%
[ADI AR 2209]*
<<locked>>
92%
40277
69%
**90
90%
[Accurate 2700]*
<<locked>>
81%
39726
69%
**69
92%
[Accurate 3100]*
<<locked>>
89%
30240
52%
**35
90%
Accurate 4064
<<locked>>
81%
42786
74%
**10
100%
[Accurate 4350]*
<<locked>>
81%
31995
55%
**10
93%
Alliant Reloder- TS 15.5
<<locked>>
81%
41176
71%
**97
99%
Alliant Reloder-15
<<locked>>
81%
44570
77%
**79
98%
[Alliant Reloder-16]*
<<locked>>
81%
31908
55%
**17
93%
Alliant Reloder-17
<<locked>>
81%
36114
62%
**74
97%
[Alliant Reloder-19]*
<<locked>>
92%
38957
67%
**74
90%
[Alliant Reloder-23]*
<<locked>>
83%
25019
43%
**03
90%
[Alliant Reloder-26]*
<<locked>>
87%
29907
52%
**20
90%
Baschieri & Pellagri 107
<<locked>>
81%
48211
83%
**41
99%
Hodgdon CFE223
<<locked>>
81%
42902
74%
**72
97%
Hodgdon H380
<<locked>>
81%
41945
72%
**10
97%
[Hodgdon H414]*
<<locked>>
81%
36898
64%
**31
92%
[Hodgdon H4350]*
<<locked>>
85%
35346
61%
**33
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
29428
51%
**18
94%
[Hodgdon LVR]*
<<locked>>
81%
34983
60%
**85
94%
[Hodgdon Superperformance]*
<<locked>>
83%
36143
62%
**28
91%
Hodgdon VARGET
<<locked>>
81%
41205
71%
**67
97%
Hodgdon TrailBoss
<<locked>>
81%
27238
47%
**81
100%
IMR 3031
<<locked>>
81%
44904
77%
**69
100%
IMR 4064
<<locked>>
81%
40480
70%
**48
98%
[IMR 4166 Enduron]*
<<locked>>
81%
40364
70%
**12
94%
[IMR 4350]*
<<locked>>
83%
35114
61%
**20
90%
[IMR 4451 Enduron]*
<<locked>>
81%
38319
66%
**85
92%
[IMR 4831]*
<<locked>>
81%
27949
48%
**75
91%
IMR 4895
<<locked>>
81%
45745
79%
**09
99%
Lovex S062
<<locked>>
81%
43439
75%
**13
99%
[Lovex S065]*
<<locked>>
81%
35694
62%
**30
93%
[Lovex S070]*
<<locked>>
81%
33794
58%
**90
91%
Norma 201
<<locked>>
81%
47688
82%
**86
100%
Norma 202
<<locked>>
81%
48095
83%
**02
100%
Norma 203B
<<locked>>
81%
43801
76%
**63
99%
[Norma 204]*
<<locked>>
87%
39450
68%
**64
90%
[Norma MRP]*
<<locked>>
92%
35447
61%
**48
90%
[Norma URP]*
<<locked>>
81%
31821
55%
**07
93%
Ramshot Big Game
<<locked>>
81%
43511
75%
**72
98%
[Ramshot Hunter]*
<<locked>>
81%
31314
54%
**84
90%
ReloadSwiss RS 14
<<locked>>
81%
27427
47%
**21
100%
ReloadSwiss RS 50
<<locked>>
81%
42293
73%
**87
95%
ReloadSwiss RS 52
<<locked>>
81%
42699
74%
**66
100%
ReloadSwiss RS 60
<<locked>>
81%
35085
61%
**54
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
31430
54%
**10
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
31604
54%
**13
91%
Rottweil R 902
<<locked>>
81%
45295
78%
**40
100%
Rottweil R 903
<<locked>>
81%
38493
66%
**35
98%
[Rottweil R 904]*
<<locked>>
92%
42076
73%
**94
90%
[Rottweil R 905]*
<<locked>>
92%
38392
66%
**71
91%
[Rottweil R 907]*
<<locked>>
81%
36941
64%
**49
91%
SNPE Vectan SP 11
<<locked>>
81%
39726
69%
**90
98%
SNPE Vectan SP 9
<<locked>>
81%
47195
81%
**05
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
41191
71%
**95
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34940
60%
**64
91%
[Shooters World Long Rifle]*
<<locked>>
81%
35694
62%
**30
93%
Shooters World Precision
<<locked>>
81%
43439
75%
**13
99%
Somchem S355
<<locked>>
81%
39291
68%
**48
98%
[Somchem S361]*
<<locked>>
94%
45469
78%
**23
90%
Somchem S365
<<locked>>
81%
28631
49%
**48
96%
[Somchem S385]*
<<locked>>
89%
35027
60%
**59
90%
Vihtavuori N133
<<locked>>
81%
46050
79%
**77
100%
Vihtavuori N135
<<locked>>
81%
38566
67%
**85
100%
Vihtavuori N140
<<locked>>
81%
45237
78%
**17
100%
Vihtavuori N150
<<locked>>
81%
33562
58%
**87
98%
Vihtavuori N160
<<locked>>
81%
35012
60%
**59
95%
Vihtavuori N540
<<locked>>
81%
44846
77%
**40
100%
Vihtavuori N550
<<locked>>
81%
35360
61%
**89
95%
[Vihtavuori N555]*
<<locked>>
83%
26078
45%
**69
91%
Winchester 6.5 StaBALL
<<locked>>
81%
33243
57%
**90
96%
[Winchester 760]*
<<locked>>
81%
36898
64%
**31
92%
[Winchester StaBALL HD]*
<<locked>>
89%
26034
45%
**89
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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