Beskrywing
Norma 203B is a medium burn rate rifle powder ideally suited for a wide range of calibers, offering versatile loading capabilities for handloaders. With a burn rate of 2.4, it is particularly favorable for medium-sized rifle cartridges where consistent performance is paramount. Known for its smooth and fine-grained physical form, 203B meters exceptionally well, providing uniformity in charge weights—a critical factor for precise reloads. Renowned for its stability across temperature variations, 203B maintains performance consistency in diverse environmental conditions, an attribute highly valued by competitive shooters and hunters alike. It is a popular choice for reloading calibers such as .308 Winchester and .30-06 Springfield, where its balanced characteristics deliver optimal velocity and pressure. Load development with Norma 203B should focus on gradual adjustments to achieve desired ballistic performance, as it responds predictably to changes in charge weight. Its European manufacturing heritage ensures high-quality standards and reliability, making it a trusted powder within the handloading community.
Spesifikasies
Brandtempo
3.8 (Medium-Slow)
Stortdigtheid
0.920 g/cm³
Digtheid
1.620 g/cm³
Temperatuur Sensitiwiteit
Laag
Geskikte alternatiewe
Kruit met 'n soortgelyke brandtempo wat as alternatiewe kan dien (sien ook brandtempo-grafiek):
Standaard laaie — Norma 203B
Geverifieerde laai data kombinasies 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
Subsoniese laaie — Norma 203B
Geverifieerde subsoniese laaidata kombinasies 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
Gemeenskapslaaie — Norma 203B
Voorbeeld laaidata bereken met Norma 203B.
U het 'n PRO lisensie nodig om al die data te ontsluit en te sien.
| Kaliber | Kogel | Loop (in) | Lading (gr) | OAL (in) | Huls Volume (GoW) | Maks. druk (psi) | Mondingsnelheid (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 |
Bereken ladings met Norma 203B
Gebruik ons professionele ballistiese sakrekenaar om veilige en akkurate laairesepte te ontwikkel.
Begin bereken