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Load data for .32-40 Win. + .321 | 170gr | H&N KS KB

Recommended Powder(s): ADI AR 2207

.32-40 Win. + .321 | 170gr | H&N KS KB

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.321 | 170gr | H&N KS KB
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.321" | 8.15mm
Bullet Length:
0.896" | 22.8mm
Caliber:
.32-40 Win. load data
Case Length (l3):
2.129" | 54.1mm
Cartridge Length (C.O.L.):
2.462" | 62.5mm
Seated Depth:
0.563" | 14.3mm
Shank Seated Depth:
0.563" | 14.3mm
Case Capacity:
41.0 Grains of Water | 2.66 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
34084 psi | 2350 bar
LID:
LID_B7432_C427
Last updated:
2025-01-01

Load data for 18 loads in caliber .32-40 Win. with .321 | 170gr | H&N KS KB bullet and 9 powders such as ADI AR 2207. 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 2207 👍
<<locked>>
88%
30052
88%
**14
99%
[Accurate 2015]*
<<locked>>
97%
27833
82%
**78
93%
[Alliant AR-Comp]*
<<locked>>
96%
25512
75%
**32
93%
Alliant Reloder-10x
<<locked>>
94%
29718
87%
**21
95%
Alliant Reloder-7
<<locked>>
86%
29472
86%
**59
95%
IMR 4198
<<locked>>
90%
30052
88%
**55
96%
Norma 200
<<locked>>
92%
30052
88%
**31
96%
Vihtavuori N120
<<locked>>
89%
29646
87%
**75
99%
[Vihtavuori N130]*
<<locked>>
95%
29602
87%
**65
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2207
<<locked>>
81%
23583
69%
**67
97%
[Accurate 2015]*
<<locked>>
91%
22872
67%
**57
90%
[Alliant AR-Comp]*
<<locked>>
91%
21959
64%
**31
90%
[Alliant Reloder-10x]*
<<locked>>
85%
21582
63%
**24
90%
[Alliant Reloder-7]*
<<locked>>
81%
25237
74%
**64
93%
[IMR 4198]*
<<locked>>
81%
23018
68%
**81
92%
[Norma 200]*
<<locked>>
81%
20827
61%
**11
91%
Vihtavuori N120
<<locked>>
81%
22466
66%
**11
97%
[Vihtavuori N130]*
<<locked>>
87%
22568
66%
**98
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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