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Load data for 9 x 21 + .357 | 158gr | H&N KS HS

Recommended Powder(s): Accurate Solo 1250, Alliant BULLSEYE, Alliant UNIQUE, ReloadSwiss RS 20, Vihtavuori N330

9 x 21 + .357 | 158gr | H&N KS HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Load data for 102 loads in caliber 9 x 21 with .357 | 158gr | H&N KS HS bullet and 51 powders such as Accurate Solo 1250, Alliant BULLSEYE, Alliant UNIQUE, ReloadSwiss RS 20, Vihtavuori N330. 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 AP 100
97%
56%
82%
ADI AP 70N
80%
87%
100%
ADI APS 350
80%
89%
100%
ADI APS 450
82%
89%
100%
ADI AS 30
88%
87%
100%
ADI AS 50N
86%
89%
100%
Accurate No. 2
86%
90%
99%
Accurate No. 5
72%
86%
92%
Accurate Solo 1000
86%
88%
100%
Accurate Solo 1250
96%
89%
100%
Alliant BULLSEYE
83%
88%
100%
Alliant POWER PISTOL
96%
86%
89%
Alliant UNIQUE
96%
85%
100%
Baschieri & Pellagri 100
88%
85%
100%
Hodgdon Clays
80%
90%
100%
Hodgdon HP38
66%
86%
100%
Hodgdon HS-6
80%
90%
95%
Hodgdon Longshot
76%
89%
96%
Hodgdon Universal
89%
87%
100%
Lovex D036
72%
86%
92%
Lovex S011
74%
84%
100%
Lovex S020
86%
83%
100%
Maxam CSB 1
97%
83%
100%
Maxam CSB 2
94%
77%
100%
Maxam CSB 3
91%
86%
100%
Maxam CSB 4
89%
89%
100%
Maxam CSB 5
79%
81%
100%
Ramshot Silhouette
80%
88%
99%
Ramshot True Blue
73%
84%
96%
Ramshot Zip
65%
82%
100%
ReloadSwiss RS 12
85%
87%
100%
ReloadSwiss RS 20
96%
79%
100%
Rottweil P 801
78%
86%
100%
Rottweil P 806
95%
48%
87%
SNPE Vectan A0
97%
86%
100%
SNPE Vectan BA 9
86%
85%
100%
SNPE Vectan BA10
77%
89%
100%
SNPE Vectan BA7 1/2
94%
68%
92%
SNPE Vectan BA9 1/2
88%
84%
100%
Shooters World Auto Pistol
72%
86%
92%
Somchem MP200
87%
85%
99%
Somchem MS200
91%
84%
100%
Somchem S221
85%
89%
86%
Vihtavuori 3N37
96%
81%
96%
Vihtavuori N310
70%
86%
100%
Vihtavuori N320
85%
83%
100%
Vihtavuori N32C Tin Star
96%
53%
100%
Vihtavuori N330
91%
88%
100%
Vihtavuori N340
93%
86%
100%
Vihtavuori N350
95%
72%
95%
Winchester 231
72%
82%
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 100
93%
52%
81%
ADI AP 70N
60%
47%
100%
ADI APS 350
60%
54%
100%
ADI APS 450
59%
50%
100%
ADI AS 30
60%
43%
100%
ADI AS 50N
61%
46%
100%
Accurate No. 2
61%
40%
89%
Accurate No. 5
60%
57%
85%
Accurate Solo 1000
60%
45%
100%
Accurate Solo 1250
60%
33%
96%
Alliant BULLSEYE
61%
47%
96%
Alliant POWER PISTOL
78%
52%
80%
Alliant UNIQUE
59%
30%
88%
Baschieri & Pellagri 100
60%
38%
100%
Hodgdon Clays
60%
54%
100%
Hodgdon HP38
60%
70%
100%
Hodgdon HS-6
60%
46%
84%
Hodgdon Longshot
62%
53%
89%
Hodgdon Universal
59%
38%
98%
Lovex D036
60%
57%
85%
Lovex S011
60%
55%
100%
Lovex S020
62%
38%
95%
Maxam CSB 1
60%
31%
95%
Maxam CSB 2
63%
30%
99%
Maxam CSB 3
62%
39%
100%
Maxam CSB 4
59%
40%
100%
Maxam CSB 5
61%
50%
100%
Ramshot Silhouette
60%
47%
93%
Ramshot True Blue
61%
55%
90%
Ramshot Zip
62%
74%
100%
ReloadSwiss RS 12
61%
40%
100%
ReloadSwiss RS 20
60%
28%
89%
Rottweil P 801
61%
51%
100%
Rottweil P 806
86%
35%
80%
SNPE Vectan A0
59%
32%
88%
SNPE Vectan BA 9
62%
43%
97%
SNPE Vectan BA10
60%
56%
100%
SNPE Vectan BA7 1/2
71%
37%
81%
SNPE Vectan BA9 1/2
63%
41%
98%
Shooters World Auto Pistol
60%
57%
85%
Somchem MP200
62%
40%
91%
Somchem MS200
62%
38%
93%
Somchem S221
75%
65%
81%
Vihtavuori 3N37
65%
32%
80%
Vihtavuori N310
61%
67%
100%
Vihtavuori N320
61%
40%
100%
Vihtavuori N32C Tin Star
76%
33%
100%
Vihtavuori N330
62%
35%
98%
Vihtavuori N340
61%
33%
90%
Vihtavuori N350
69%
33%
82%
Winchester 231
60%
55%
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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