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Load data for .243 Win. + .243 | 100gr | Hornady InterLock RN

Recommended Powder(s): Alliant Reloder-16, Norma URP, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.243 Win. + .243 | 100gr | Hornady InterLock RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.243 | 100gr | Hornady InterLock RN
Manufacturer SKU:
2455
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.243" | 6.17mm
Bullet Length:
0.950" | 24.1mm
Caliber:
.243 Win. load data
Case Length (l3):
2.044" | 51.9mm
Cartridge Length (C.O.L.):
2.669" | 67.8mm
Seated Depth:
0.325" | 8.2mm
Shank Seated Depth:
0.325" | 8.2mm
Case Capacity:
54.0 Grains of Water | 3.51 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B2551_C183
Last updated:
2025-02-02

Load data for 142 loads in caliber .243 Win. with .243 | 100gr | Hornady InterLock RN bullet and 71 powders such as Alliant Reloder-16, Norma URP, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 33.6 fps

  • .

    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.

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>>
85%
53432
89%
**54
100%
ADI AR 2209
<<locked>>
96%
54056
90%
**40
98%
ADI AR 2213
<<locked>>
97%
50459
84%
**97
96%
Accurate 2700
<<locked>>
85%
53345
89%
**99
98%
Accurate 3100
<<locked>>
96%
48356
80%
**02
99%
Accurate 4350
<<locked>>
90%
53838
89%
**17
100%
[Accurate MAGPRO]*
<<locked>>
97%
47935
80%
**71
93%
Alliant Reloder- TS 15.5
<<locked>>
84%
53998
90%
**71
100%
Alliant Reloder-16 👍
<<locked>>
92%
54143
90%
**69
100%
Alliant Reloder-17
<<locked>>
87%
54099
90%
**69
100%
Alliant Reloder-19
<<locked>>
96%
53142
88%
**17
98%
Alliant Reloder-22
<<locked>>
97%
49284
82%
**04
97%
Alliant Reloder-23
<<locked>>
97%
46354
77%
**35
100%
Alliant Reloder-25
<<locked>>
97%
40103
67%
**46
98%
Alliant Reloder-26
<<locked>>
96%
52417
87%
**12
100%
Hodgdon H380
<<locked>>
84%
53679
89%
**74
100%
Hodgdon H414
<<locked>>
86%
53200
88%
**20
99%
Hodgdon H4350
<<locked>>
93%
54027
90%
**77
99%
[Hodgdon H4831]*
<<locked>>
97%
46267
77%
**69
94%
Hodgdon H4831 SC
<<locked>>
97%
52794
88%
**84
96%
Hodgdon Hybrid 100V
<<locked>>
93%
53229
88%
**71
100%
Hodgdon LVR
<<locked>>
88%
53113
88%
**10
100%
Hodgdon Superperformance
<<locked>>
89%
53258
88%
**46
99%
Hodgdon VARGET
<<locked>>
85%
53954
90%
**61
100%
Hodgdon TrailBoss
<<locked>>
97%
34925
58%
**14
100%
IMR 4064
<<locked>>
85%
53330
89%
**44
100%
IMR 4166 Enduron
<<locked>>
86%
53795
89%
**35
99%
IMR 4350
<<locked>>
91%
53345
89%
**61
98%
IMR 4451 Enduron
<<locked>>
87%
53635
89%
**58
99%
IMR 4831
<<locked>>
95%
52997
88%
**87
100%
IMR 4955 Enduron
<<locked>>
97%
51430
85%
**28
95%
IMR 7828 SSC
<<locked>>
97%
51213
85%
**27
96%
Lovex S062
<<locked>>
83%
53882
90%
**38
100%
Lovex S065
<<locked>>
89%
54172
90%
**61
100%
Lovex S070
<<locked>>
90%
53809
89%
**81
99%
Lovex S071
<<locked>>
97%
40741
68%
**67
97%
Norma 204
<<locked>>
91%
53084
88%
**04
97%
Norma MRP
<<locked>>
97%
52185
87%
**72
99%
Norma URP 👍
<<locked>>
91%
53809
89%
**23
100%
Ramshot Hunter 👍
<<locked>>
91%
53316
89%
**20
99%
Ramshot Magnum
<<locked>>
96%
47007
78%
**31
97%
ReloadSwiss RS 14
<<locked>>
96%
35172
58%
**54
100%
ReloadSwiss RS 50
<<locked>>
84%
53853
89%
**61
99%
ReloadSwiss RS 60
<<locked>>
88%
53258
88%
**76
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
53272
89%
**30
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
53650
89%
**79
100%
ReloadSwiss RS 76
<<locked>>
97%
39494
66%
**49
96%
Rottweil R 903
<<locked>>
86%
53592
89%
**61
100%
Rottweil R 904
<<locked>>
94%
53113
88%
**71
96%
Rottweil R 905
<<locked>>
96%
53534
89%
**23
98%
Rottweil R 907
<<locked>>
88%
52968
88%
**44
98%
SNPE Vectan SP 11
<<locked>>
85%
54027
90%
**07
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
54114
90%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
53113
88%
**05
99%
Shooters World Long Rifle
<<locked>>
89%
54172
90%
**61
100%
Shooters World Precision
<<locked>>
83%
53882
90%
**38
100%
Somchem S355
<<locked>>
86%
54085
90%
**61
100%
Somchem S361
<<locked>>
94%
53606
89%
**41
96%
Somchem S365
<<locked>>
93%
53432
89%
**27
100%
Somchem S385
<<locked>>
96%
53026
88%
**81
98%
Vihtavuori N135
<<locked>>
87%
53577
89%
**79
100%
Vihtavuori N150
<<locked>>
91%
53998
90%
**25
100%
Vihtavuori N160
<<locked>>
88%
53185
88%
**64
100%
Vihtavuori N165
<<locked>>
96%
45281
75%
**36
97%
Vihtavuori N550
<<locked>>
88%
53751
89%
**20
100%
Vihtavuori N555
<<locked>>
97%
51677
86%
**10
100%
Vihtavuori N560
<<locked>>
97%
48921
81%
**04
95%
[Vihtavuori N565]*
<<locked>>
97%
41553
69%
**43
93%
Winchester 6.5 StaBALL
<<locked>>
90%
54128
90%
**51
100%
Winchester 760
<<locked>>
86%
53200
88%
**20
99%
Winchester StaBALL HD
<<locked>>
97%
40495
67%
**81
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47906
80%
**59
100%
[ADI AR 2209]*
<<locked>>
81%
33214
55%
**10
91%
[ADI AR 2213]*
<<locked>>
88%
36811
61%
**15
90%
Accurate 2700
<<locked>>
81%
46093
77%
**84
97%
[Accurate 3100]*
<<locked>>
81%
28398
47%
**69
92%
Accurate 4350
<<locked>>
81%
38783
64%
**44
98%
[Accurate MAGPRO]*
<<locked>>
92%
41031
68%
**30
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
48399
80%
**82
100%
Alliant Reloder-16
<<locked>>
81%
37927
63%
**64
98%
Alliant Reloder-17
<<locked>>
81%
43047
72%
**89
100%
[Alliant Reloder-19]*
<<locked>>
81%
32866
55%
**03
91%
[Alliant Reloder-22]*
<<locked>>
84%
32271
54%
**26
90%
Alliant Reloder-23
<<locked>>
81%
27717
46%
**11
96%
[Alliant Reloder-25]*
<<locked>>
84%
26643
44%
**62
90%
[Alliant Reloder-26]*
<<locked>>
81%
29486
49%
**07
94%
Hodgdon H380
<<locked>>
81%
49153
82%
**02
100%
Hodgdon H414
<<locked>>
81%
44454
74%
**72
97%
[Hodgdon H4350]*
<<locked>>
81%
36724
61%
**52
94%
[Hodgdon H4831]*
<<locked>>
91%
37855
63%
**95
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
37855
63%
**95
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35157
58%
**52
99%
Hodgdon LVR
<<locked>>
81%
41684
69%
**00
98%
Hodgdon Superperformance
<<locked>>
81%
39769
66%
**94
96%
Hodgdon VARGET
<<locked>>
81%
47529
79%
**53
100%
Hodgdon TrailBoss
<<locked>>
81%
27688
46%
**63
100%
IMR 4064
<<locked>>
81%
46746
78%
**36
100%
IMR 4166 Enduron
<<locked>>
81%
46398
77%
**10
98%
IMR 4350
<<locked>>
81%
38624
64%
**92
95%
IMR 4451 Enduron
<<locked>>
81%
44367
74%
**00
97%
IMR 4831
<<locked>>
81%
33750
56%
**23
97%
[IMR 4955 Enduron]*
<<locked>>
86%
36521
61%
**33
90%
[IMR 7828 SSC]*
<<locked>>
87%
36695
61%
**25
90%
Lovex S062
<<locked>>
81%
50415
84%
**85
100%
Lovex S065
<<locked>>
81%
41930
70%
**51
98%
Lovex S070
<<locked>>
81%
39914
66%
**28
96%
[Lovex S071]*
<<locked>>
83%
25512
42%
**87
90%
[Norma 204]*
<<locked>>
81%
38000
63%
**08
93%
[Norma MRP]*
<<locked>>
81%
29834
50%
**77
91%
Norma URP
<<locked>>
81%
38363
64%
**44
98%
Ramshot Hunter
<<locked>>
81%
37391
62%
**25
96%
[Ramshot Magnum]*
<<locked>>
85%
31140
52%
**74
90%
ReloadSwiss RS 14
<<locked>>
81%
27934
46%
**99
100%
ReloadSwiss RS 50
<<locked>>
81%
49371
82%
**92
99%
ReloadSwiss RS 60
<<locked>>
81%
41611
69%
**76
100%
ReloadSwiss RS 62
<<locked>>
81%
38827
65%
**71
98%
ReloadSwiss RS 70
<<locked>>
81%
37608
62%
**71
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
31154
52%
**20
90%
Rottweil R 903
<<locked>>
81%
45861
76%
**40
100%
[Rottweil R 904]*
<<locked>>
82%
34896
58%
**07
90%
[Rottweil R 905]*
<<locked>>
81%
31778
53%
**77
90%
Rottweil R 907
<<locked>>
81%
42728
71%
**61
96%
SNPE Vectan SP 11
<<locked>>
81%
47224
78%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47398
79%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40712
68%
**82
96%
Shooters World Long Rifle
<<locked>>
81%
41930
70%
**51
98%
Shooters World Precision
<<locked>>
81%
50415
84%
**85
100%
Somchem S355
<<locked>>
81%
46398
77%
**49
100%
[Somchem S361]*
<<locked>>
83%
37376
62%
**33
90%
Somchem S365
<<locked>>
81%
35027
58%
**98
100%
[Somchem S385]*
<<locked>>
81%
32532
54%
**70
92%
Vihtavuori N135
<<locked>>
81%
44759
74%
**51
100%
Vihtavuori N150
<<locked>>
81%
39450
66%
**82
100%
Vihtavuori N160
<<locked>>
81%
41727
69%
**74
99%
[Vihtavuori N165]*
<<locked>>
84%
30342
50%
**05
90%
Vihtavuori N550
<<locked>>
81%
42119
70%
**17
99%
Vihtavuori N555
<<locked>>
81%
30356
50%
**84
96%
[Vihtavuori N560]*
<<locked>>
88%
36767
61%
**41
90%
[Vihtavuori N565]*
<<locked>>
92%
35433
59%
**08
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39131
65%
**05
100%
Winchester 760
<<locked>>
81%
44454
74%
**72
97%
[Winchester StaBALL HD]*
<<locked>>
81%
24439
41%
**62
94%

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.

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