Description
Vihtavuori's 24N41 is a single-base, extruded powder engineered for optimal application in large rifle cartridges. It features a slow burn rate that makes it particularly effective for high-capacity magnum calibers. Notable for its use in cartridges such as the .338 Lapua Magnum, .30-378 Weatherby Magnum, and .50 BMG, 24N41 is favored for building high-performance loads where maximal energy and velocity are desired. It has a cylindrical grain structure promoting consistent metering, although as with all extruded powders, careful attention during measurement is advised to avoid bridging. Renowned for its temperature stability, 24N41 ensures excellently consistent performance in varied environmental conditions, an attribute crucial for competitive shooting and long-range applications. When developing loads, reloaders should commence with published Vihtavuori data to mitigate the risks associated with high-pressure cartridges. For hunters and precision shooters seeking reliable magnum performance, 24N41 offers a well-established reputation within the handloading community for its consistent burn properties and dependable output even across temperature extremes.
Specifications
Burn Rate
0.4 (Slow)
Bulk Density
0.970 g/cm³
Density
1.580 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 24N41
Verified load data combinations using Vihtavuori 24N41.
.30-378 Weath. Mag.
Alaska Bullet Works .308 | 220gr | Alaska Bullet Works Kodiak PP SPBC 220gr
.30-378 Weath. Mag.
Ares .309 | 220gr | Ares RNBBNG 220gr
.30-378 Weath. Mag.
Berry's .300 | 220gr | Berry's Spire Point 220gr
.30-378 Weath. Mag.
Nosler .308 | 220gr | Nosler Partition 220gr
.30-378 Weath. Mag.
Sierra .308 | 220gr | Sierra MatchKing 220gr
.30-378 Weath. Mag.
Woodleigh .308 | 220gr | Woodleigh RN SN 220gr
.338 Lapua Mag. Ackley Improved
Berger .338 | 300gr | Berger Hybrid Target 300gr
.338 Lapua Mag. Ackley Improved
Berger .338 | 300gr | Berger Hybrid OTM 300gr
.338 Lapua Mag. Ackley Improved
Berger .338 | 300gr | Berger Hybrid OTM Tactical 300gr
.338 Lapua Mag. Ackley Improved
Hornady .338 | 307gr | Hornady Sub-X 307gr
.338 Lapua Mag. Ackley Improved
Lapua .338 | 300gr | Lapua Scenar 300gr
.338 Lapua Mag. Ackley Improved
MAKER .338 | 350gr | MAKER SUB-REX 350gr
.338 Lapua Mag. Ackley Improved
MAKER .338 | 352gr | MAKER SUB-REX 352gr
.338 Lapua Mag. Ackley Improved
Nosler .338 | 300gr | Nosler AccuBond 300gr
.338 Lapua Mag. Ackley Improved
Nosler .338 | 300gr | Nosler Custom Competition 300gr
.338 Lapua Mag. Ackley Improved
Sierra .338 | 300gr | Sierra HPBT LR MatchKing 300gr
.338 Lapua Mag. Ackley Improved
Woodleigh .338 | 300gr | Woodleigh RN SN 300gr
.375 Chey Tac
Berger .375 | 407gr | Berger ELR M S 407gr
Community Loads — Vihtavuori 24N41
Sample load data calculated with Vihtavuori 24N41.
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| Cartridge | Bullet | Barrel (in) | Charge (gr) | OAL (in) | Case Volume (GoW) | Max. Pressure (psi) | Muzzle Velocity (fps) |
|---|---|---|---|---|---|---|---|
| .338 | 300gr | Nosler AccuBond | 26.0 | 116.0 | 3.81 | 137.0 | 61,231 (96%) | 2743 | |
| .338 | 300gr | Nosler AccuBond | 26.0 | 108.0 | 3.81 | 137.0 | 47,894 (75%) | 2543 | |
| .375 | 400gr | CutEdge LZR | 32.0 | ••.• | 4.51 | 161.0 | 60,611 (95%) | 2723 | |
| .375 | 410gr | Berger Long Range Hybrid Target | 30.0 | ••.• | 4.27 | 159.8 | 61,337 (96%) | 2648 | |
| .375 | 410gr | Berger Long Range Hybrid Target | 30.0 | ••.• | 4.27 | 159.8 | 53,534 (84%) | 2549 | |
| .375 | 410gr | Berger Long Range Hybrid Target | 30.0 | ••.• | 4.27 | 159.8 | 46,804 (73%) | 2448 | |
| .375 | 410gr | Berger Long Range Hybrid Target | 30.0 | ••.• | 4.27 | 159.8 | 40,915 (64%) | 2346 | |
| .375 | 410gr | Berger Long Range Hybrid Target | 30.0 | ••.• | 4.27 | 159.8 | 35,041 (55%) | 2231 | |
| .375 | 410gr | Berger Long Range Hybrid Target | 30.0 | 110.5 | 4.27 | 159.8 | 33,083 (52%) | 2188 | |
| .375 | 400gr | CutEdge LZR | 36.0 | ••.• | 4.50 | 156.3 | 57,653 (90%) | 2851 | |
| .510 | 750gr | Barnes Banded Solid BT Bore Rider | 36.0 | ••.• | 5.77 | 300.0 | 54,186 (101%) | 2733 | |
| .510 | 750gr | Barnes Banded Solid BT Bore Rider | 36.0 | ••.• | 5.77 | 300.0 | 44,773 (83%) | 2582 | |
| .510 | 750gr | Hornady A-MAX | 30.0 | ••.• | 5.45 | 300.0 | 51,053 (95%) | 2566 | |
| .510 | 750gr | Hornady A-MAX | 30.0 | ••.• | 5.45 | 300.0 | 47,543 (89%) | 2510 | |
| .510 | 750gr | Hornady A-MAX | 30.0 | ••.• | 5.45 | 300.0 | 46,688 (87%) | 2497 |
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