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Load data for .243 Ackley Improved + .243 | 85gr | Barnes X BT

Recommended Powder(s):

.243 Ackley Improved + .243 | 85gr | Barnes X BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 85gr | Barnes X BT
Manufacturer SKU:
24310
Bullet Weight:
85gr | 5.5g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
<<locked>>
Caliber:
.243 Ackley Improved load data
Case Length (l3):
2.045" | 51.9mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
57.0 Grains of Water | 3.70 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
55259 psi | 3810 bar
LID:
LID_B476_C1011
Last updated:
2026-04-04

Load data for 126 loads in caliber .243 Ackley Improved with .243 | 85gr | Barnes X BT bullet and 63 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 2208
<<locked>>
84%
48965
89%
**51
99%
[ADI AR 2209]*
<<locked>>
97%
49734
90%
**27
94%
Accurate 2700
<<locked>>
86%
49690
90%
**02
95%
Accurate 3100
<<locked>>
96%
43540
79%
**79
96%
Accurate 4350 👍
<<locked>>
91%
49197
89%
**30
99%
Alliant Reloder- TS 15.5
<<locked>>
84%
49327
89%
**87
100%
Alliant Reloder-16 👍
<<locked>>
93%
49501
90%
**82
99%
Alliant Reloder-17 👍
<<locked>>
88%
48892
88%
**86
100%
[Alliant Reloder-19]*
<<locked>>
96%
48791
88%
**14
94%
[Alliant Reloder-22]*
<<locked>>
96%
43091
78%
**41
92%
Alliant Reloder-23
<<locked>>
97%
41350
75%
**15
99%
[Alliant Reloder-25]*
<<locked>>
97%
36492
66%
**87
93%
Alliant Reloder-26
<<locked>>
97%
45788
83%
**76
98%
Bofors RP3
<<locked>>
84%
48892
88%
**81
100%
[Bofors RP5]*
<<locked>>
96%
43091
78%
**41
92%
Bofors RP7
<<locked>>
88%
49356
89%
**51
95%
Hodgdon H380
<<locked>>
84%
49095
89%
**77
98%
Hodgdon H414
<<locked>>
87%
49443
89%
**36
96%
Hodgdon H4350
<<locked>>
93%
49023
89%
**64
95%
Hodgdon Hybrid 100V 👍
<<locked>>
95%
49385
89%
**10
100%
Hodgdon LVR
<<locked>>
90%
49690
90%
**40
98%
Hodgdon Superperformance
<<locked>>
90%
49559
90%
**69
96%
Hodgdon VARGET
<<locked>>
85%
49429
89%
**71
99%
Hodgdon TrailBoss
<<locked>>
97%
34795
63%
**78
100%
IMR 4064
<<locked>>
85%
49327
89%
**51
99%
IMR 4166 Enduron
<<locked>>
85%
48675
88%
**12
96%
IMR 4350
<<locked>>
92%
49110
89%
**61
95%
IMR 4451 Enduron
<<locked>>
87%
49052
89%
**48
96%
IMR 4831
<<locked>>
96%
49588
90%
**17
99%
Lovex S065
<<locked>>
89%
48660
88%
**41
97%
Lovex S070
<<locked>>
90%
49211
89%
**68
96%
[Lovex S071]*
<<locked>>
97%
36782
67%
**31
93%
[Norma 204]*
<<locked>>
91%
48631
88%
**94
94%
Norma MRP
<<locked>>
97%
45382
82%
**27
95%
Norma URP
<<locked>>
92%
49226
89%
**27
98%
Ramshot Hunter
<<locked>>
93%
49501
90%
**43
97%
[Ramshot Magnum]*
<<locked>>
97%
41930
76%
**63
92%
ReloadSwiss RS 14
<<locked>>
97%
35404
64%
**28
100%
ReloadSwiss RS 50
<<locked>>
84%
49168
89%
**54
97%
ReloadSwiss RS 60
<<locked>>
87%
49719
90%
**12
100%
ReloadSwiss RS 62
<<locked>>
91%
49327
89%
**53
98%
ReloadSwiss RS 70
<<locked>>
92%
48646
88%
**79
98%
Rottweil R 903
<<locked>>
86%
48878
88%
**81
100%
[Rottweil R 904]*
<<locked>>
95%
49400
89%
**71
92%
[Rottweil R 905]*
<<locked>>
97%
47456
86%
**00
94%
Rottweil R 907
<<locked>>
88%
49356
89%
**51
95%
SNPE Vectan SP 11
<<locked>>
85%
48631
88%
**00
99%
SNPE Vectan Tubal 5000
<<locked>>
85%
48544
88%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
49211
89%
**95
96%
Shooters World Long Rifle
<<locked>>
89%
48660
88%
**41
97%
Somchem S355
<<locked>>
86%
49501
90%
**81
100%
Somchem S365 👍
<<locked>>
95%
48805
88%
**69
100%
Somchem S385
<<locked>>
96%
48486
88%
**84
95%
Vihtavuori N135
<<locked>>
87%
49632
90%
**15
100%
Vihtavuori N150
<<locked>>
91%
49226
89%
**45
100%
Vihtavuori N160
<<locked>>
89%
48791
88%
**81
98%
[Vihtavuori N165]*
<<locked>>
96%
40611
73%
**97
92%
Vihtavuori N550
<<locked>>
89%
49429
89%
**40
98%
Vihtavuori N555
<<locked>>
97%
45513
82%
**00
98%
Winchester 6.5 StaBALL
<<locked>>
91%
49690
90%
**74
100%
Winchester 760
<<locked>>
87%
49443
89%
**36
96%
Winchester StaBALL HD
<<locked>>
97%
36985
67%
**05
98%
[Winchester Supreme 780]*
<<locked>>
96%
49603
90%
**81
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44164
80%
**59
98%
[ADI AR 2209]*
<<locked>>
90%
40466
73%
**20
90%
[Accurate 2700]*
<<locked>>
81%
43163
78%
**67
93%
[Accurate 3100]*
<<locked>>
86%
30806
56%
**61
90%
Accurate 4350
<<locked>>
81%
35592
64%
**22
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
44266
80%
**89
99%
Alliant Reloder-16
<<locked>>
81%
34853
63%
**28
95%
Alliant Reloder-17
<<locked>>
81%
38870
70%
**66
98%
[Alliant Reloder-19]*
<<locked>>
90%
39856
72%
**13
91%
[Alliant Reloder-22]*
<<locked>>
93%
38783
70%
**30
90%
[Alliant Reloder-23]*
<<locked>>
81%
26179
47%
**52
91%
[Alliant Reloder-25]*
<<locked>>
93%
32474
59%
**59
90%
[Alliant Reloder-26]*
<<locked>>
84%
30414
55%
**49
90%
Bofors RP3
<<locked>>
81%
45310
82%
**09
99%
[Bofors RP5]*
<<locked>>
93%
38783
70%
**30
90%
[Bofors RP7]*
<<locked>>
81%
40335
73%
**48
92%
Hodgdon H380
<<locked>>
81%
45266
82%
**02
97%
[Hodgdon H414]*
<<locked>>
81%
40161
73%
**33
93%
[Hodgdon H4350]*
<<locked>>
82%
35346
64%
**49
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32372
59%
**20
96%
Hodgdon LVR
<<locked>>
81%
37782
68%
**74
95%
[Hodgdon Superperformance]*
<<locked>>
81%
36245
66%
**48
90%
Hodgdon VARGET
<<locked>>
81%
43729
79%
**49
98%
Hodgdon TrailBoss
<<locked>>
81%
27514
50%
**11
100%
IMR 4064
<<locked>>
81%
43526
79%
**33
98%
[IMR 4166 Enduron]*
<<locked>>
81%
43047
78%
**97
94%
[IMR 4350]*
<<locked>>
81%
35433
64%
**46
90%
[IMR 4451 Enduron]*
<<locked>>
81%
41046
74%
**71
93%
[IMR 4831]*
<<locked>>
81%
31401
57%
**90
93%
Lovex S065
<<locked>>
81%
39131
71%
**31
95%
[Lovex S070]*
<<locked>>
81%
37072
67%
**02
92%
[Lovex S071]*
<<locked>>
91%
31140
56%
**74
90%
[Norma 204]*
<<locked>>
85%
39523
72%
**87
90%
[Norma MRP]*
<<locked>>
89%
35433
64%
**67
90%
[Norma URP]*
<<locked>>
81%
34969
63%
**12
94%
[Ramshot Hunter]*
<<locked>>
81%
34345
62%
**82
92%
[Ramshot Magnum]*
<<locked>>
94%
38377
69%
**81
90%
ReloadSwiss RS 14
<<locked>>
81%
28210
51%
**60
100%
ReloadSwiss RS 50
<<locked>>
81%
45339
82%
**72
96%
ReloadSwiss RS 60
<<locked>>
81%
41278
75%
**38
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
35041
63%
**35
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
34490
62%
**22
93%
Rottweil R 903
<<locked>>
81%
42279
77%
**36
99%
[Rottweil R 904]*
<<locked>>
91%
43584
79%
**46
90%
[Rottweil R 905]*
<<locked>>
90%
38377
69%
**90
90%
[Rottweil R 907]*
<<locked>>
81%
40335
73%
**48
92%
SNPE Vectan SP 11
<<locked>>
81%
42844
78%
**89
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
43830
79%
**61
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38363
69%
**66
93%
Shooters World Long Rifle
<<locked>>
81%
39131
71%
**31
95%
Somchem S355
<<locked>>
81%
42873
78%
**46
99%
Somchem S365
<<locked>>
81%
31908
58%
**72
97%
[Somchem S385]*
<<locked>>
86%
35476
64%
**82
90%
Vihtavuori N135
<<locked>>
81%
41713
75%
**74
100%
Vihtavuori N150
<<locked>>
81%
36492
66%
**69
98%
Vihtavuori N160
<<locked>>
81%
37956
69%
**44
96%
[Vihtavuori N165]*
<<locked>>
93%
36767
67%
**99
90%
Vihtavuori N550
<<locked>>
81%
38595
70%
**97
96%
[Vihtavuori N555]*
<<locked>>
81%
28007
51%
**38
92%
Winchester 6.5 StaBALL
<<locked>>
81%
35926
65%
**82
97%
[Winchester 760]*
<<locked>>
81%
40161
73%
**33
93%
[Winchester StaBALL HD]*
<<locked>>
85%
26310
48%
**05
90%
[Winchester Supreme 780]*
<<locked>>
89%
39189
71%
**64
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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