Beskrivning
Norma 203B is a medium burn rate rifle powder, engineered for versatility across a range of calibers. Optimized for precision shooting, it exhibits excellent metering properties due to its extruded granule form, ensuring consistent load densities and performance. This powder is particularly well-suited for bottleneck rifle cartridges, making it ideal for calibers such as .308 Winchester, .30-06 Springfield, and 6.5x55mm Swedish, among others. Its burn rate allows for stable performance, providing optimal pressure curves and velocity profiles necessary for competitive and hunting applications. Norma has integrated reliable temperature stability into 203B, minimizing velocity variations across extreme climate conditions, a critical trait for precision shooters who demand consistency. When developing loads, handloaders will appreciate Norma's dedication to quality control, resulting in uniform granules that promote smooth operation in loading equipment. This stability and consistency make Norma 203B a preferred choice for those seeking to fine-tune accuracy and performance with varied seating depths and charge weights, catering to both match-grade and hunting ammunition standards.
Specifikationer
Förbränningshastighet
3.8 (Medium-Slow)
Skrymdensitet
0.920 g/cm³
Densitet
1.620 g/cm³
Temperaturkänslighet
Låg
Lämpliga alternativ
Krut med liknande förbränningshastighet som kan vara lämpliga alternativ (se även förbränningshastighetstabell):
Hodgdon LEVERevolution
Hodgdon · Förbränningshastighet: 3.8
ReloadSwiss RS 50
Reload Swiss · Förbränningshastighet: 3.8
Ramshot Big Game
Ramshot · Förbränningshastighet: 3.8
Alliant Reloder-15
Alliant Powder · Förbränningshastighet: 3.8
Accurate 2700
Accurate Powders · Förbränningshastighet: 3.8
Vihtavuori N140
Vihtavuori · Förbränningshastighet: 3.8
Standardladdningar — Norma 203B
Verifierade laddningsdata kombinationer med 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
Subsoniska laddningar — Norma 203B
Verifierade subsoniska laddningsdata kombinationer med 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
Gemenskapsladdningar — Norma 203B
Exempelladddata beräknad med Norma 203B.
Du behöver en PRO-licens för att låsa upp och visa all data.
| Kaliber | Kula | Pipa (in) | Laddning (gr) | OAL (in) | Hylsvolym (GoW) | Max. tryck (psi) | Mynningens hastighet (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 |
Beräkna laddningar med Norma 203B
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