
Opis
Norma 203B is a versatile rifle propellant known for its medium burn rate, making it a prime choice for various mid-sized to large caliber applications. It is particularly well-suited for cartridges like the .308 Winchester, .30-06 Springfield, and 6.5x55mm Swede, where consistent performance is critical. The powder's physical form features a dense, extruded shape, which contributes to favorable metering properties in most powder measures, ensuring smooth and accurate dispensing critical for precision loads. In terms of temperature stability, Norma 203B is engineered to maintain consistent velocities and pressures across a wide range of environmental conditions, safeguarding the reliability of performance regardless of weather variations. This feature is particularly advantageous for competitive shooters and hunters who require dependable accuracy. For load development, handloaders will appreciate the flexibility offered by Norma 203B, as it allows for fine-tuning with a variety of bullet weights to achieve optimal performance. As part of Norma's reputable line of reloading powders, 203B combines reliability with performance, making it a staple in any serious reloader's arsenal.
Specyfikacje
Szybkość spalania
3.8 (Medium-Slow)
Gęstość nasypowa
0.920 g/cm³
Gęstość
1.620 g/cm³
Wrażliwość na temperaturę
Niska
Odpowiednie zamienniki
Prochy o podobnej szybkości spalania, które mogą być odpowiednimi alternatywami (zobacz również wykres szybkości spalania):

Hodgdon LEVERevolution
Hodgdon · Szybkość spalania: 3.8

ReloadSwiss RS 50
Reload Swiss · Szybkość spalania: 3.8

Ramshot Big Game
Ramshot · Szybkość spalania: 3.8

Alliant Reloder-15
Alliant Powder · Szybkość spalania: 3.8

Accurate 2700
Accurate Powders · Szybkość spalania: 3.8

Vihtavuori N140
Vihtavuori · Szybkość spalania: 3.8
Standardowe ładunki — Norma 203B
Zweryfikowane kombinacje danych ładunkowych z użyciem 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
Ładunki subsoniczne — Norma 203B
Zweryfikowane kombinacje danych ładunkowych subsonicznych z użyciem 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
Ładunki społeczności — Norma 203B
Przykładowe dane ładunkowe obliczone z Norma 203B.
Potrzebujesz licencji PRO, aby odblokować i zobaczyć wszystkie dane.
| Kaliber | Pocisk | Lufa (in) | Ładunek (gr) | OAL (in) | Objętość łuski (GoW) | Maks. ciśnienie (psi) | Prędkość wylotowa (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 |
Oblicz ładunki z Norma 203B
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