Beschrijving
Norma 203B propellant powder is a versatile medium burn rate rifle powder, ideally suited for a wide range of calibers. Its burn rate of 2.4 makes it particularly effective for medium to large-sized rifle cartridges. This extruded powder is renowned for its consistent metering properties, offering handloaders a reliable option for precise charge weights. In terms of temperature stability, Norma 203B performs admirably across varying conditions, providing dependable performance in both warm and cold environments. It is commonly paired with popular calibers such as .308 Winchester, .30-06 Springfield, and various magnum cartridges, where it delivers exceptional accuracy and velocity spread. Handloaders appreciate its forgiving nature during load development, finding it easier to achieve optimal performance with fewer test iterations. The specific advantage of Norma 203B lies in its ability to maintain pressure and velocity characteristics across diverse cartridge applications, making it a favored choice among reloaders seeking consistency and accuracy in their rifle loads.
Specificaties
Verbrandingssnelheid
3.8 (Medium-Slow)
Stortdichtheid
0.920 g/cm³
Dichtheid
1.620 g/cm³
Temperatuursensitiviteit
Laag
Geschikte alternatieven
Kruiten met een vergelijkbare verbrandingssnelheid die als alternatieven kunnen dienen (zie ook verbrandingssnelheidsgrafiek):
Hodgdon LEVERevolution
Hodgdon · Verbrandingssnelheid: 3.8
ReloadSwiss RS 50
Reload Swiss · Verbrandingssnelheid: 3.8
Ramshot Big Game
Ramshot · Verbrandingssnelheid: 3.8
Alliant Reloder-15
Alliant Powder · Verbrandingssnelheid: 3.8
Accurate 2700
Accurate Powders · Verbrandingssnelheid: 3.8
Vihtavuori N140
Vihtavuori · Verbrandingssnelheid: 3.8
Standaard ladingen — Norma 203B
Geverifieerde ladinggegevenscombinaties met Norma 203B.
.20 BR
Berger .204 | 35gr | Berger FB Varmint 35gr
.20 BR
Berger .204 | 40gr | Berger Varmint 40gr
.20 BR
Berger .204 | 55gr | Berger Varmint 55gr
.20 BR
Hornady .204 | 40gr | Hornady V-MAX 40gr
.20 BR
Hornady .204 | 45gr | Hornady SP 45gr
.20 BR
Nosler .204 | 40gr | Nosler Ballistic Tip Varmint 40gr
.20 BR
Sierra .204 | 39gr | Sierra Tipped VarmintKing 39gr
.20 BR
Speer .204 | 39gr | Speer TNT 39gr
.20 Nosler
Hornady .204 | 45gr | Hornady SP 45gr
.204 Ruger
Berger .204 | 55gr | Berger Varmint 55gr
.204 Ruger
Hornady .204 | 45gr | Hornady SP 45gr
.22 ARC
Barnes .224 | 70gr | Barnes TAC-TX BT 70gr
.22 ARC
Barnes .224 | 77gr | Barnes LRX BT 77gr
.22 ARC
Berger .224 | 77gr | Berger OTM Tactical 77gr
.22 ARC
Berger .224 | 80gr | Berger VLD Target 80gr
.22 ARC
Berger .224 | 80.5gr | Berger Fullbore Target 80.5gr
.22 ARC
Hornady .224 | 70gr | Hornady CX 70gr
.22 ARC
Hornady .224 | 75gr | Hornady Match 75gr
Subsonische ladingen — Norma 203B
Geverifieerde subsonische laadgegevenscombinaties met Norma 203B.
.30-06 Spring.
Berger .308 | 230gr | Berger Hybrid OTM Tactical 230gr
.30-06 Spring.
Berger .308 | 230gr | Berger Hybrid Target 230gr
.30-06 Spring.
Discreet Ballistics .308 | 188gr | Discreet Ballistics Selous Machined Expander 188gr
.30-06 Spring.
Hornady .308 | 175gr | Hornady Sub-X 175gr
.30-06 Spring.
Hornady .308 | 190gr | Hornady Sub-X 190gr
.30-06 Spring.
Lapua .308 | 200gr | Lapua Subsonic 200gr
.30-06 Spring.
MAKER .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets 200gr
.30-06 Spring.
MAKER .308 | 220gr | MAKER 300 blackout 220gr
.30-06 Spring.
Peregrine .308 | 155gr | Peregrine Subsonic 155gr
.30-06 Spring.
Reichenberg .308 | 154gr | Reichenberg HDB Subsonic 154gr
.30-06 Spring.
Reichenberg .308 | 200gr | Reichenberg Subsonic 200gr
.30-06 Spring.
Sierra .308 | 220gr | Sierra MatchKing 220gr
.30-06 Spring.
Styria Arms | AERO .308 | 95gr | AERO SUB-I,- smax:11.30 95gr
.30-06 Spring.
Styria Arms | AERO .308 | 115gr | AERO SUB,- smax:11.40 115gr
.30-06 Spring.
Styria Arms | AERO .308 | 190gr | AERO SUB,- smax:23.90 190gr
.308 Win.
Discreet Ballistics .308 | 188gr | Discreet Ballistics Selous Machined Expander 188gr
.308 Win.
Hornady .308 | 175gr | Hornady Sub-X 175gr
.308 Win.
Hornady .308 | 190gr | Hornady Sub-X 190gr
Gemeenschapsladingen — Norma 203B
Voorbeeld laadgegevens berekend met Norma 203B.
Je hebt een PRO-licentie nodig om alle gegevens te ontgrendelen en te bekijken.
| Kaliber | Kogel | Loop (in) | Lading (gr) | OAL (in) | Hulsvolume (GoW) | Max. druk (psi) | Mondingssnelheid (fps) |
|---|---|---|---|---|---|---|---|
| .264 | 107gr | Sierra HPBT MatchKing | 23.6 | 41.1 | 2.80 | 53.5 | 53,301 (89%) | 3005 | |
| .264 | 107gr | Sierra HPBT MatchKing | 23.6 | 40.3 | 2.80 | 53.5 | 50,299 (84%) | 2956 | |
| .308 | 150gr | Norma SPFN | 20.0 | ••.• | 3.35 | 75.0 | 70,213 (120%) | 3038 | |
| .308 | 150gr | Norma SPFN | 20.0 | 57.0 | 3.35 | 75.0 | 49,966 (85%) | 2753 | |
| .308 | 185gr | Lapua Mega | 22.0 | ••.• | 3.15 | 68.2 | 49,414 (84%) | 2526 | |
| .308 | 150gr | Sierra MatchKing | 28.0 | ••.• | 2.80 | 56.0 | 46,702 (78%) | 2825 | |
| .308 | 150gr | Sierra MatchKing | 28.0 | ••.• | 2.80 | 56.0 | 44,313 (74%) | 2782 | |
| .308 | 150gr | Sierra MatchKing | 28.0 | ••.• | 2.80 | 56.0 | 42,078 (70%) | 2740 | |
| .308 | 150gr | Sierra MatchKing | 28.0 | ••.• | 2.80 | 56.0 | 39,949 (66%) | 2697 | |
| .308 | 162gr | Sax KDG-S | 20.5 | ••.• | 2.80 | 56.0 | 55,526 (92%) | 2644 | |
| .308 | 180gr | Norma Bondstrike | 23.0 | ••.• | 2.80 | 56.0 | 60,756 (101%) | 2644 | |
| .308 | 168gr | Hornady ELD-Match | 24.0 | ••.• | 2.90 | 56.0 | 49,777 (83%) | 2641 | |
| .308 | 185gr | Lapua Scenar | 24.0 | ••.• | 2.80 | 56.0 | 59,176 (98%) | 2625 | |
| .308 | 162gr | Sax KDG-S | 20.5 | ••.• | 2.80 | 56.0 | 56,241 (93%) | 2612 | |
| .308 | 168gr | Speer Target Match | 22.0 | ••.• | 2.89 | 55.3 | 50,322 (84%) | 2605 | |
| .308 | 168gr | Speer Target Match | 22.0 | ••.• | 2.89 | 55.3 | 49,319 (82%) | 2589 | |
| .308 | 180gr | Hornady SP | 24.1 | ••.• | 2.77 | 55.9 | 53,998 (90%) | 2589 | |
| .308 | 180gr | NorthFork Bonded Core | 20.1 | ••.• | 2.78 | 56.4 | 61,192 (102%) | 2579 |
Berekeningen met Norma 203B
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