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Load data for 9 x 21 + .357 | 127gr | H&N KS HP HS

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Recommended Powder(s):

9 x 21 + .357 | 127gr | H&N KS HP HS

Load Specifications

Bullet:
.357 | 127gr | H&N KS HP HS
Bullet Weight:
127gr | 8.2g
Bullet Diameter:
0.357" | 9.07mm
Bullet Length:
0.587" | 14.9mm
Caliber:
9 x 21
Case Length (l3):
0.830" | 21.1mm
Cartridge Length (C.O.L.):
1.154" | 29.3mm
Seated Depth:
0.263" | 6.7mm
Shank Seated Depth:
0.263" | 6.7mm
Case Capacity:
15.5 Grains of Water | 1.01 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
34084 psi | 2350 bar
LID:
LID_B7468_C1232

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 102 loads in caliber 9 x 21 with .357 | 127gr | H&N KS HP HS bullet and 51 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

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    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 AP 70N
<<locked>>
80%
29675
87%
**65
100%
ADI APS 350
<<locked>>
79%
30139
88%
**8
100%
ADI APS 450
<<locked>>
80%
28834
85%
**01
100%
ADI AS 30
<<locked>>
88%
30197
89%
**66
100%
ADI AS 50N
<<locked>>
84%
29689
87%
**06
100%
Accurate No. 2
<<locked>>
86%
30429
89%
**45
98%
Accurate No. 5
<<locked>>
71%
29892
88%
**07
91%
Accurate Solo 1000
<<locked>>
85%
30066
88%
**86
100%
Accurate Solo 1250 👍
<<locked>>
95%
30400
89%
**48
100%
Alliant BULLSEYE
<<locked>>
83%
30342
89%
**98
100%
[Alliant POWER PISTOL]*
<<locked>>
95%
29370
86%
**47
88%
Alliant UNIQUE 👍
<<locked>>
97%
29863
88%
**11
100%
Baschieri & Pellagri 100
<<locked>>
89%
30008
88%
**93
100%
Hodgdon Clays
<<locked>>
79%
30327
89%
**1
100%
Hodgdon HP38
<<locked>>
66%
29805
87%
**22
100%
Hodgdon HS-6
<<locked>>
78%
30139
88%
**04
93%
Hodgdon Longshot
<<locked>>
75%
30298
89%
**07
95%
Hodgdon Universal
<<locked>>
88%
29675
87%
**65
100%
Hodgdon TrailBoss
<<locked>>
95%
7847
23%
**6
99%
Lovex D036
<<locked>>
71%
29849
88%
**07
91%
Lovex S011
<<locked>>
75%
30356
89%
**12
100%
Lovex S020
<<locked>>
87%
29950
88%
**71
100%
Maxam CSB 1
<<locked>>
96%
28137
83%
**19
100%
Maxam CSB 2
<<locked>>
96%
28587
84%
**55
100%
Maxam CSB 3
<<locked>>
92%
30168
89%
**25
100%
Maxam CSB 4
<<locked>>
87%
29617
87%
**99
100%
Maxam CSB 5
<<locked>>
80%
28776
84%
**47
100%
Ramshot Silhouette
<<locked>>
78%
29602
87%
**91
99%
Ramshot True Blue
<<locked>>
73%
29138
85%
**84
95%
Ramshot Zip
<<locked>>
67%
30647
90%
**42
100%
ReloadSwiss RS 12
<<locked>>
85%
29443
86%
**55
100%
ReloadSwiss RS 20 👍
<<locked>>
96%
27398
80%
**84
100%
Rottweil P 801
<<locked>>
78%
29965
88%
**22
100%
[Rottweil P 806]*
<<locked>>
97%
17666
52%
**15
86%
SNPE Vectan A0
<<locked>>
94%
28137
83%
**25
99%
SNPE Vectan BA 9
<<locked>>
87%
30182
89%
**35
100%
SNPE Vectan BA10
<<locked>>
74%
28819
85%
**01
100%
SNPE Vectan BA7 1/2
<<locked>>
95%
24207
71%
**99
91%
SNPE Vectan BA9 1/2 👍
<<locked>>
91%
30589
90%
**58
100%
Shooters World Auto Pistol
<<locked>>
71%
29849
88%
**07
91%
Somchem MP200
<<locked>>
87%
29573
87%
**84
99%
Somchem MS200
<<locked>>
93%
30037
88%
**71
100%
[Somchem S221]*
<<locked>>
83%
29718
87%
**14
85%
Vihtavuori 3N37
<<locked>>
96%
28065
82%
**94
95%
Vihtavuori N310
<<locked>>
68%
28543
84%
**14
100%
Vihtavuori N320
<<locked>>
87%
30110
88%
**22
100%
Vihtavuori N32C Tin Star
<<locked>>
95%
18144
53%
**5
100%
Vihtavuori N330 👍
<<locked>>
90%
29327
86%
**68
100%
Vihtavuori N340
<<locked>>
94%
30400
89%
**78
100%
Vihtavuori N350
<<locked>>
96%
25947
76%
**55
94%
Winchester 231
<<locked>>
75%
30647
90%
**42
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 70N
<<locked>>
61%
16868
50%
**8
99%
[ADI APS 350]²
<<locked>>
59%
18333
54%
**0
100%
ADI APS 450
<<locked>>
62%
18246
54%
**0
100%
ADI AS 30
<<locked>>
62%
15867
47%
**9
100%
ADI AS 50N
<<locked>>
62%
16143
47%
**6
100%
[Accurate No. 2]*
<<locked>>
60%
13314
39%
**0
87%
[Accurate No. 5]*
<<locked>>
60%
19856
58%
**40
84%
Accurate Solo 1000
<<locked>>
61%
16056
47%
**9
100%
Accurate Solo 1250
<<locked>>
60%
11371
33%
**7
95%
Alliant BULLSEYE
<<locked>>
60%
15708
46%
**2
94%
[Alliant POWER PISTOL]*
<<locked>>
81%
19740
58%
**73
81%
[Alliant UNIQUE]*
<<locked>>
62%
11414
34%
**6
88%
Baschieri & Pellagri 100
<<locked>>
60%
13314
39%
**0
99%
[Hodgdon Clays]²
<<locked>>
59%
18463
54%
**3
100%
Hodgdon HP38
<<locked>>
61%
25512
75%
**73
100%
[Hodgdon HS-6]*
<<locked>>
61%
16534
49%
**5
83%
[Hodgdon Longshot]*
<<locked>>
60%
17608
52%
**4
87%
Hodgdon Universal
<<locked>>
62%
14069
41%
**2
98%
Hodgdon TrailBoss
<<locked>>
90%
6947
20%
**6
98%
[Lovex D036]*
<<locked>>
60%
19827
58%
**37
84%
Lovex S011
<<locked>>
61%
19856
58%
**8
100%
Lovex S020
<<locked>>
60%
12531
37%
**6
93%
Maxam CSB 1
<<locked>>
61%
10921
32%
**1
94%
Maxam CSB 2
<<locked>>
62%
10428
31%
**0
99%
Maxam CSB 3
<<locked>>
62%
13808
41%
**6
100%
Maxam CSB 4
<<locked>>
60%
14315
42%
**9
100%
Maxam CSB 5
<<locked>>
63%
17985
53%
**2
100%
Ramshot Silhouette
<<locked>>
61%
16737
49%
**1
92%
[Ramshot True Blue]*
<<locked>>
61%
19435
57%
**24
89%
Ramshot Zip
<<locked>>
61%
24439
72%
**63
100%
ReloadSwiss RS 12
<<locked>>
62%
14504
43%
**5
100%
[ReloadSwiss RS 20]*
<<locked>>
62%
10414
31%
**7
89%
Rottweil P 801
<<locked>>
62%
18101
53%
**8
100%
[Rottweil P 806]*
<<locked>>
89%
13532
40%
**10
81%
[SNPE Vectan A0]*
<<locked>>
62%
11879
35%
**4
88%
SNPE Vectan BA 9
<<locked>>
60%
13996
41%
**3
95%
SNPE Vectan BA10
<<locked>>
61%
20146
59%
**9
100%
[SNPE Vectan BA7 1/2]*
<<locked>>
75%
13895
41%
**9
81%
SNPE Vectan BA9 1/2
<<locked>>
61%
13576
40%
**6
97%
[Shooters World Auto Pistol]*
<<locked>>
60%
19827
58%
**37
84%
Somchem MP200
<<locked>>
62%
13779
40%
**6
90%
Somchem MS200
<<locked>>
61%
12546
37%
**3
91%
[Somchem S221]*
<<locked>>
76%
23221
68%
**15
80%
[Vihtavuori 3N37]*
<<locked>>
69%
12415
36%
**6
81%
Vihtavuori N310
<<locked>>
62%
23351
69%
**8
100%
Vihtavuori N320
<<locked>>
61%
14025
41%
**6
100%
Vihtavuori N32C Tin Star
<<locked>>
61%
7150
21%
**2
100%
Vihtavuori N330
<<locked>>
61%
11850
35%
**9
97%
[Vihtavuori N340]*
<<locked>>
60%
11066
32%
**0
88%
[Vihtavuori N350]*
<<locked>>
70%
12111
36%
**6
81%
Winchester 231
<<locked>>
60%
19218
56%
**1
100%

Start Load - Barrel Length: 5.50''

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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