Description
Vihtavuori N340 is a versatile medium burn rate pistol powder renowned for its consistent performance across a range of handgun calibers. This propellant, with a burn rate of 8.3, is ideal for high-performance loads, particularly in 9mm Luger, .40 S&W, and .45 ACP applications. N340's physical form is a fine-grain extruded powder, allowing for precise metering and smooth flow through powder measures, making it a favored choice for reloaders seeking uniformity in charge weights. This powder exhibits excellent temperature stability, maintaining its performance in diverse environmental conditions, which is crucial for maintaining velocity and pressure consistency. When developing loads, experienced handloaders appreciate N340's broad application across various bullet weights and types, providing flexibility and reliability. Vihtavuori's commitment to quality and precision is well-regarded within the handloading community, making N340 a trusted component for those crafting personalized, high-performance ammunition. Its specific advantages include a broad utility range and exceptional consistency, fostering confidence in each loaded cartridge.
Specifications
Burn Rate
7.4 (Medium-Fast)
Bulk Density
0.620 g/cm³
Density
1.390 g/cm³
Temperature Sensitivity
Low
Suitable Substitutes
Powders with a similar burn rate that may be suitable alternatives (also see burn rate chart):
Standard Loads — Vihtavuori N340
Verified load data combinations using Vihtavuori N340.
.30 Super Carry
Berry's .312 | 71gr | Berry's Round Nose 71gr
.30 Super Carry
CamPro .312 | 115gr | CamPro FP 115gr
.30 Super Carry
H&N .309 | 71gr | H&N RN HS 71gr
.30 Super Carry
H&N .309 | 86gr | H&N RN HS 86gr
.30 Super Carry
H&N .311 | 86gr | H&N RN HS 86gr
.30 Super Carry
H&N .313 | 90gr | H&N WC 90gr
.30 Super Carry
H&N .313 | 90gr | H&N WC KB Match 90gr
.30 Super Carry
H&N .314 | 100gr | H&N RN F 100gr
.30 Super Carry
H&N .314 | 100gr | H&N WC HS Match 100gr
.30 Super Carry
H&N .314 | 100gr | H&N RN HS 100gr
.30 Super Carry
H&N .313 | 100gr | H&N WC KB Match 100gr
.30 Super Carry
Hornady .311 | 71gr | Hornady FMJ RN 71gr
.30 Super Carry
Hornady .314 | 90gr | Hornady SWC 90gr
.30 Super Carry
Hornady .312 | 100gr | Hornady XTP 100gr
.30 Super Carry
Lapua .314 | 98gr | Lapua Lead Wadcutter 98gr
.30 Super Carry
LEE .314 | 90gr | LEE Mold 314-090-SWC 90gr
.30 Super Carry
LEE .311 | 93gr | LEE Mold 311-093-1R 93gr
.30 Super Carry
LEE .311 | 100gr | LEE Mold 311-100-2R 100gr
Subsonic Loads — Vihtavuori N340
Verified subsonic load data combinations using Vihtavuori N340.
.30-06 Spring.
Berger .308 | 230gr | Berger Hybrid OTM Tactical 230gr
.30-06 Spring.
Berger .308 | 230gr | Berger Hybrid Target 230gr
.30-06 Spring.
Discreet Ballistics .308 | 188gr | Discreet Ballistics Selous Machined Expander 188gr
.30-06 Spring.
Hornady .308 | 175gr | Hornady Sub-X 175gr
.30-06 Spring.
Hornady .308 | 190gr | Hornady Sub-X 190gr
.30-06 Spring.
Lapua .308 | 200gr | Lapua Subsonic 200gr
.30-06 Spring.
MAKER .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets 200gr
.30-06 Spring.
MAKER .308 | 220gr | MAKER 300 blackout 220gr
.30-06 Spring.
Peregrine .308 | 155gr | Peregrine Subsonic 155gr
.30-06 Spring.
Reichenberg .308 | 154gr | Reichenberg HDB Subsonic 154gr
.30-06 Spring.
Reichenberg .308 | 200gr | Reichenberg Subsonic 200gr
.30-06 Spring.
Sierra .308 | 220gr | Sierra MatchKing 220gr
.30-06 Spring.
Styria Arms | AERO .308 | 95gr | AERO SUB-I,- smax:11.30 95gr
.30-06 Spring.
Styria Arms | AERO .308 | 115gr | AERO SUB,- smax:11.40 115gr
.30-06 Spring.
Styria Arms | AERO .308 | 190gr | AERO SUB,- smax:23.90 190gr
.300 AAC Blackout
Barnes .308 | 180gr | Barnes MRX BT 180gr
.300 AAC Blackout
Discreet Ballistics .308 | 188gr | Discreet Ballistics Selous Machined Expander 188gr
.300 AAC Blackout
Ferrobull Europe .308 | 180gr | Ferrobull Tripple Expand Jagd 180gr
Community Loads — Vihtavuori N340
Sample load data calculated with Vihtavuori N340.
You need a PRO license to unlock and view all data.
| Cartridge | Bullet | Barrel (in) | Charge (gr) | OAL (in) | Case Volume (GoW) | Max. Pressure (psi) | Muzzle Velocity (fps) |
|---|---|---|---|---|---|---|---|
| .357 | 158gr | Sierra JSP FN | 24.0 | ••.• | 1.59 | 25.6 | 41,539 (95%) | 1581 | |
| .357 | 158gr | LOS FP | 24.3 | ••.• | 1.59 | 25.6 | 42,148 (97%) | 1565 | |
| .357 | 158gr | Nosler JHP | 19.7 | ••.• | 1.59 | 25.6 | 51,300 (118%) | 1549 | |
| .357 | 158gr | LOS FP | 24.3 | ••.• | 1.59 | 25.6 | 39,697 (91%) | 1539 | |
| .357 | 158gr | Sellier & Bellot FMJ | 20.0 | ••.• | 1.59 | 25.6 | 40,640 (93%) | 1519 | |
| .357 | 158gr | H&N HP HS | 20.0 | ••.• | 1.59 | 25.6 | 38,348 (88%) | 1516 | |
| .357 | 158gr | H&N HP HS | 20.0 | ••.• | 1.63 | 25.6 | 35,114 (81%) | 1503 | |
| .357 | 158gr | Sellier & Bellot FMJ | 20.0 | ••.• | 1.59 | 25.6 | 41,191 (95%) | 1496 | |
| .357 | 158gr | CamPro TC FCP | 6.8 | ••.• | 1.59 | 25.6 | 57,595 (132%) | 1467 | |
| .357 | 158gr | CamPro TC FCP | 28.0 | ••.• | 1.59 | 25.6 | 28,050 (64%) | 1440 | |
| .357 | 158gr | H&N KS HS | 20.0 | ••.• | 1.59 | 25.6 | 29,428 (68%) | 1414 | |
| .357 | 148gr | LOS WC | 6.0 | ••.• | 1.59 | 25.6 | 42,177 (97%) | 1378 | |
| .357 | 158gr | Frontier Bullets FP | 18.0 | ••.• | 1.58 | 26.7 | 28,645 (66%) | 1378 | |
| .357 | 158gr | CamPro TC FCP | 6.8 | ••.• | 1.59 | 25.6 | 41,800 (96%) | 1339 | |
| .357 | 158gr | LOS HP | 6.0 | ••.• | 1.57 | 25.6 | 41,640 (96%) | 1296 | |
| .357 | 158gr | Sellier & Bellot FMJ | 6.0 | ••.• | 1.59 | 25.6 | 40,640 (93%) | 1289 | |
| .357 | 158gr | LOS FP | 3.9 | ••.• | 1.59 | 25.6 | 53,853 (124%) | 1289 | |
| .357 | 158gr | Hornady XTP | 3.9 | ••.• | 1.59 | 25.6 | 54,418 (125%) | 1289 |
Community Subsonic Loads — Vihtavuori N340
Sample load data calculated with Vihtavuori N340.
You need a PRO license to unlock and view all data.
| Cartridge | Bullet | Barrel (in) | Charge (gr) | OAL (in) | Case Volume (GoW) | Max. Pressure (psi) | Muzzle Velocity (fps) |
|---|---|---|---|---|---|---|---|
| .357 | 158gr | H&N KS HS | 3.9 | ••.• | 1.59 | 25.6 | 33,837 (78%) | 1122 | |
| .357 | 180gr | H&N HP HS | 6.0 | ••.• | 1.59 | 25.6 | 34,360 (79%) | 1106 | |
| .357 | 147gr | H&N HP HS | 6.0 | ••.• | 1.57 | 25.6 | 20,958 (48%) | 1102 | |
| .357 | 158gr | LOS FP | 3.9 | ••.• | 1.59 | 25.6 | 30,095 (69%) | 1063 | |
| .357 | 200gr | H&N RN HS | 6.0 | ••.• | 1.59 | 25.6 | 43,004 (99%) | 1060 | |
| .357 | 200gr | H&N RN HS | 6.0 | ••.• | 1.50 | 25.6 | 48,950 (112%) | 1050 | |
| .357 | 180gr | H&N HP HS | 6.0 | ••.• | 1.57 | 25.6 | 28,413 (65%) | 1047 | |
| .357 | 200gr | H&N RN HS | 6.0 | ••.• | 1.54 | 25.6 | 40,988 (94%) | 1027 | |
| .357 | 200gr | H&N RN HS | 6.0 | ••.• | 1.54 | 25.6 | 39,320 (90%) | 1014 | |
| .357 | 200gr | H&N RN HS | 6.0 | ••.• | 1.57 | 25.6 | 35,331 (81%) | 1004 | |
| .357 | 180gr | H&N HP HS | 6.0 | ••.• | 1.59 | 25.6 | 24,976 (57%) | 997 | |
| .357 | 180gr | H&N KS HS | 6.0 | ••.• | 1.59 | 25.6 | 24,453 (56%) | 991 | |
| .357 | 200gr | H&N RN HS | 6.0 | ••.• | 1.57 | 25.6 | 33,939 (78%) | 991 | |
| .357 | 200gr | H&N RN HS | 6.0 | ••.• | 1.57 | 25.6 | 29,791 (68%) | 965 | |
| .357 | 200gr | H&N RN HS | 6.0 | ••.• | 1.59 | 25.6 | 29,704 (68%) | 945 | |
| .357 | 200gr | H&N RN HS | 6.0 | ••.• | 1.57 | 25.6 | 28,747 (66%) | 942 | |
| .357 | 200gr | H&N RN HS | 6.0 | ••.• | 1.57 | 25.6 | 26,339 (61%) | 928 | |
| .357 | 158gr | CamPro TC FCP | 5.9 | ••.• | 1.46 | 23.1 | 23,540 (108%) | 1060 |
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