Empirical Precision logo Empirical Precision
  1. Home
  2. Load Data
  3. Powders
  4. Norma 203B

Norma 203B Load Data: 422 Published Loads in 23 Cartridges

Empirical Precision indexes 422 published loads for Norma 203B across 23 bottleneck rifle cartridges from 4 reloading sources, spanning projectile weights from 40 gr to 230 gr.

Published Loads422
Cartridges23
Sources4
Bullet Weights40–230 gr

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

Powder Data Sheet

Manufacturer
Norma
Grain Type
Single-perforated Extruded
Bulk Density
920 kg/m³

Burn Rate Position

Position #66 of 145 rifle powders on the Empirical Precision relative burn chart (ordered fastest to slowest).

Nearest Faster
IMR 4320, N150

A burn chart is a guide, not load data.

Cartridges Published (23)

Sources Publishing Data (4)

PublisherPublished Loads
Hornady205
Berger176
Lyman38
Nosler3