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Load data for 9 x 21 + .356 | 135gr | H&N SWC KB

Recommended Powder(s): Alliant UNIQUE, Hodgdon Universal, SNPE Vectan BA9 1/2, Somchem MP200, Vihtavuori N330

9 x 21 + .356 | 135gr | H&N SWC KB

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.356 | 135gr | H&N SWC KB
Bullet Weight:
135gr | 8.7g
Bullet Diameter:
0.356" | 9.04mm
Bullet Length:
0.628" | 16.0mm
Caliber:
9 x 21 load data
Case Length (l3):
0.830" | 21.1mm
Cartridge Length (C.O.L.):
1.154" | 29.3mm
Seated Depth:
0.304" | 7.7mm
Shank Seated Depth:
0.304" | 7.7mm
Case Capacity:
15.5 Grains of Water | 1.01 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
34084 psi | 2350 bar
LID:
LID_B7460_C1232
Last updated:
2025-01-01

Load data for 100 loads in caliber 9 x 21 with .356 | 135gr | H&N SWC KB bullet and 50 powders such as Alliant UNIQUE, Hodgdon Universal, SNPE Vectan BA9 1/2, Somchem MP200, 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 70N
81%
85%
100%
ADI APS 350
80%
87%
100%
ADI APS 450
82%
86%
100%
ADI AS 30
87%
83%
100%
ADI AS 50N
84%
83%
100%
Accurate No. 2
87%
88%
98%
Accurate No. 5
72%
85%
90%
Accurate Solo 1000
85%
83%
100%
Accurate Solo 1250
96%
88%
100%
Alliant BULLSEYE
84%
87%
100%
Alliant POWER PISTOL
97%
85%
87%
Alliant UNIQUE
96%
81%
99%
Baschieri & Pellagri 100
89%
85%
100%
Hodgdon Clays
80%
89%
100%
Hodgdon HP38
66%
85%
100%
Hodgdon HS-6
80%
88%
93%
Hodgdon Longshot
76%
87%
95%
Hodgdon Universal
90%
85%
100%
Lovex D036
72%
85%
90%
Lovex S011
75%
86%
100%
Lovex S020
89%
88%
100%
Maxam CSB 1
94%
75%
100%
Maxam CSB 2
95%
75%
100%
Maxam CSB 3
92%
86%
100%
Maxam CSB 4
87%
82%
100%
Maxam CSB 5
82%
86%
100%
Ramshot Silhouette
81%
90%
99%
Ramshot True Blue
76%
90%
95%
Ramshot Zip
68%
89%
100%
ReloadSwiss RS 12
86%
84%
100%
ReloadSwiss RS 20
95%
75%
100%
Rottweil P 801
79%
85%
100%
Rottweil P 806
96%
46%
84%
SNPE Vectan A0
96%
83%
99%
SNPE Vectan BA 9
89%
89%
100%
SNPE Vectan BA10
76%
86%
100%
SNPE Vectan BA7 1/2
96%
68%
90%
SNPE Vectan BA9 1/2
92%
89%
100%
Shooters World Auto Pistol
72%
85%
90%
Somchem MP200
90%
88%
99%
Somchem MS200
95%
89%
100%
Somchem S221
86%
89%
84%
Vihtavuori 3N37
97%
80%
94%
Vihtavuori N310
70%
83%
100%
Vihtavuori N320
87%
84%
100%
Vihtavuori N32C Tin Star
94%
49%
100%
Vihtavuori N330
92%
85%
100%
Vihtavuori N340
96%
90%
100%
Vihtavuori N350
97%
73%
93%
Winchester 231
76%
89%
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 70N
60%
45%
99%
ADI APS 350
62%
57%
100%
ADI APS 450
61%
51%
100%
ADI AS 30
62%
44%
100%
ADI AS 50N
62%
46%
100%
Accurate No. 2
61%
39%
87%
Accurate No. 5
62%
59%
84%
Accurate Solo 1000
62%
45%
100%
Accurate Solo 1250
61%
32%
94%
Alliant BULLSEYE
61%
46%
94%
Alliant POWER PISTOL
83%
58%
80%
Alliant UNIQUE
60%
30%
86%
Baschieri & Pellagri 100
61%
38%
99%
Hodgdon Clays
62%
57%
100%
Hodgdon HP38
61%
72%
100%
Hodgdon HS-6
60%
44%
81%
Hodgdon Longshot
61%
51%
87%
Hodgdon Universal
60%
36%
97%
Lovex D036
62%
59%
84%
Lovex S011
60%
53%
100%
Lovex S020
61%
36%
92%
Maxam CSB 1
61%
31%
94%
Maxam CSB 2
60%
26%
97%
Maxam CSB 3
59%
35%
99%
Maxam CSB 4
60%
40%
100%
Maxam CSB 5
63%
51%
100%
Ramshot Silhouette
61%
47%
91%
Ramshot True Blue
61%
53%
87%
Ramshot Zip
61%
68%
100%
ReloadSwiss RS 12
60%
38%
100%
ReloadSwiss RS 20
60%
27%
86%
Rottweil P 801
61%
48%
100%
Rottweil P 806
92%
40%
81%
SNPE Vectan A0
60%
31%
86%
SNPE Vectan BA 9
61%
41%
95%
SNPE Vectan BA10
61%
57%
100%
SNPE Vectan BA7 1/2
76%
39%
80%
SNPE Vectan BA9 1/2
63%
39%
97%
Shooters World Auto Pistol
62%
59%
84%
Somchem MP200
61%
37%
88%
Somchem MS200
62%
37%
91%
Somchem S221
80%
72%
81%
Vihtavuori 3N37
69%
35%
80%
Vihtavuori N310
62%
67%
100%
Vihtavuori N320
62%
40%
100%
Vihtavuori N32C Tin Star
68%
25%
100%
Vihtavuori N330
62%
34%
97%
Vihtavuori N340
61%
32%
88%
Vihtavuori N350
73%
37%
81%
Winchester 231
62%
57%
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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