Vihtavuori N170 reloading powder

Vihtavuori N170

by Vihtavuori

Rifle
Burn Rate: 0.8 (Slow)

Description

Vihtavuori N170 is a slow-burning rifle powder tailored for large, magnum calibers, offering excellent performance in reloading applications that require a gradual burn rate. Its physical characteristics manifest as a dense, extruded tubular form, ensuring consistent metering during the reloading process, allowing for precise charge weights. N170 exhibits exceptional temperature stability, making it a reliable choice for handloaders who operate in diverse climatic conditions, as it maintains consistent velocities and pressures across different environments. This powder is particularly well-suited for popular magnum rifle calibers such as the .338 Lapua Magnum, .300 Winchester Magnum, and .30-378 Weatherby Magnum, where its slow burn rate maximizes bullet propulsion and efficiency in large case capacities. Load development with N170 requires careful attention to achieving optimal case fill and pressure standards to harness its full potential. Handloaders value Vihtavuori's reputation for producing high-quality, consistent powders, making N170 a dependable choice for those seeking accuracy and performance in magnum rifle loads.

Specifications

Burn Rate

0.8 (Slow)

Bulk Density

0.960 g/cm³

Density

1.590 g/cm³

Temperature Sensitivity

Low

Standard Loads — Vihtavuori N170

Verified load data combinations using Vihtavuori N170.

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Community Loads — Vihtavuori N170

Sample load data calculated with Vihtavuori N170.

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CartridgeBulletBarrel (in)Charge (gr)OAL (in)Case Volume (GoW)Max. Pressure (psi)Muzzle Velocity (fps)
.284 | 160gr | Sierra Tipped MatchKing26.0••.•3.5297.061,686 (95%)3094
.284 | 160gr | Sierra Tipped MatchKing26.082.03.5297.054,843 (84%)2986
.284 | 160gr | Sierra Tipped MatchKing26.082.03.5697.054,072 (83%)2972
.284 | 160gr | Sierra Tipped MatchKing26.075.03.5297.041,772 (64%)2733
.308 | 220gr | Lapua ScenarL27.0••.•3.40104.055,390 (87%)2795
.308 | 220gr | Lapua ScenarL27.0••.•3.40104.047,761 (75%)2667
.308 | 220gr | Nosler Custom Competition27.5••.•3.7099.062,352 (96%)2890
.308 | 220gr | Nosler Custom Competition27.5••.•3.7099.060,017 (92%)2858
.308 | 220gr | Nosler Custom Competition27.5••.•3.7099.057,812 (89%)2825
.308 | 220gr | Nosler Custom Competition27.5••.•3.7099.055,637 (86%)2795
.308 | 220gr | Nosler Custom Competition27.5••.•3.7099.046,079 (71%)2635
.308 | 220gr | Nosler Custom Competition27.5••.•3.7099.042,728 (66%)2572
.338 | 300gr | Hornady A-TIP27.0••.•3.68114.061,521 (101%)2625
.338 | 285gr | Hornady ELD-Match27.0••.•3.71114.055,796 (92%)2621
.338 | 300gr | Hornady A-TIP27.0••.•3.76114.057,946 (95%)2589
.338 | 300gr | Hornady A-TIP27.0••.•3.68114.058,208 (96%)2582
.277 | 165gr | Nosler AccuBond Long Range20.0••.•2.9676.353,621 (82%)2612

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