RUAG Ammotec · Extruded
203-B
Classic Norma extruded rifle powder in the H4895 burn rate range.
- Manufacturer
- Norma
- Grain shape
- Extruded
- Burn rank
- #58
- Category
- Medium
- Temp sensitivity
- —
- Application
- Rifle
- Origin
- Sweden
- Status
- Active
Burn-rate position
FastestSlowest
Typical cartridges
.22 Savage Hi-Power, .22-250 Remington, .220 Swift, .223 Remington, .243 Winchester, .260 Remington, .30-06 Springfield, .308 Winchester, .338 Winchester Magnum, .338-06 A-Square, .35 Whelen, .358 Norma Magnum, .375 H&H Magnum, .375 Weatherby Magnum, .378 Weatherby Magnum, .416 Remington Magnum, .416 Rigby, .460 Weatherby Magnum, .470 Nitro Express, 6.5 Creedmoor, 6.5x50mm Arisaka, 6.5x55mm Swedish, 6mm BR Norma, 6XC
By cartridge
.22 Savage Hi-Power also used: Norma 202, Norma 204
.22-250 Remington also used: S133, Power Pro Varmint, RS40
.220 Swift also used: Ramshot X-Terminator, Power Pro Varmint, IMR 8208 XBR
.223 Remington also used: Alliant Unique, AR 2205, A0
.243 Winchester also used: N530, Accurate 2520, RS52
.260 Remington also used: Norma 200, IMR 3031, N550
.30-06 Springfield also used: N110, Winchester 748, N530
.308 Winchester also used: N110, Shooters World Economy Rifle, Accurate 2230
.338 Winchester Magnum also used: N550, N540, Accurate 4350
.338-06 A-Square also used: IMR 3031, Norma 202, H380
.35 Whelen also used: IMR 3031, Norma 202
.358 Norma Magnum also used: URP, Norma 204
Similar burn rate
Supply & handling
- Availability (US)
- Limited
- Shortage-prone
- No
- Suppressor-friendly
- Yes
- Flash-suppressed
- No
About this powder
Norma 203-B is a medium-slow extruded powder bridging the gap between N140-equivalent and MRP-equivalent, covering .30-06 standard loads and 7mm Rem Mag with lighter bullets. Used in European hunting and target applications.
Sources & provenance
- Manufacturer Norma — Norma — published load/burn-rate data
