Empirical Precision logo Empirical Precision
  1. Home
  2. Load Data
  3. Powders
  4. N133

N133 Load Data: 1,255 Published Loads in 30 Cartridges

Empirical Precision indexes 1,255 published loads for N133 (Vihtavuori) across 30 bottleneck rifle cartridges from 8 reloading sources, spanning projectile weights from 35 gr to 200 gr.

Published Loads1,255
Cartridges30
Sources8
Bullet Weights35–200 gr

Always start low and verify against the original published source before loading.

Powder Data Sheet

Manufacturer
Vihtavuori
Grain Type
Single-perforated Extruded
Bulk Density
870 kg/m³

Burn Rate Position

Position #33 of 145 rifle powders on the Empirical Precision relative burn chart (ordered fastest to slowest).

Nearest Faster
Power Pro 1200-R, LT-32

A burn chart is a guide, not load data.

Cartridges Published (30)

Sources Publishing Data (8)

PublisherPublished Loads
Sierra548
Vihtavuori332
Hornady228
Berger102
Speer20
Lyman14
Nosler9
Barnes2