Beskrivelse
Norma 203B is a versatile medium burn rate rifle powder, ranking at 2.4 in relative burn speeds among rifle powders. It is particularly suitable for a variety of standard and magnum rifle calibers, offering optimal performance in cases where slow powders may be too sluggish. The granules of 203B are carefully manufactured to provide consistent metering through powder measures, contributing to uniform charge weights and improved accuracy. Norma's reputation for producing highly stable powders is evident in 203B's excellent temperature stability, ensuring reliable performance even under varying environmental conditions. This propellant is especially well-regarded when used in popular calibers such as the 308 Winchester and 30-06 Springfield, providing a great balance between velocity and pressure. During load development, handloaders will appreciate its wide pressure gradient tolerance, enabling a flexible approach to fine-tuning loads for precision shooting or hunting. With terrific repeatability, Norma 203B is a preferred choice for meticulous reloaders seeking consistent, dependable performance.
Spesifikasjoner
Forbrenningshastighet
3.8 (Medium-Slow)
Bulkdensitet
0.920 g/cm³
Tetthet
1.620 g/cm³
Temperaturfølsomhet
Lav
Passende alternativer
Krutt med lignende forbrenningshastighet som kan være passende alternativer (se også forbrenningshastighetsoversikt):
Hodgdon LEVERevolution
Hodgdon · Forbrenningshastighet: 3.8
ReloadSwiss RS 50
Reload Swiss · Forbrenningshastighet: 3.8
Ramshot Big Game
Ramshot · Forbrenningshastighet: 3.8
Alliant Reloder-15
Alliant Powder · Forbrenningshastighet: 3.8
Accurate 2700
Accurate Powders · Forbrenningshastighet: 3.8
Vihtavuori N140
Vihtavuori · Forbrenningshastighet: 3.8
Standardladinger — Norma 203B
Verifiserte ladningsdata kombinasjoner ved bruk av 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
Subsoniske ladinger — Norma 203B
Verifiserte subsoniske ladedata kombinasjoner 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
Fellesskapsladinger — Norma 203B
Eksempel på ladedata beregnet med Norma 203B.
Du trenger en PRO-lisens for å låse opp og se all data.
| Kaliber | Kule | Løp (in) | Ladning (gr) | OAL (in) | Hylsevolum (GoW) | Maks. trykk (psi) | Munnfart (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 |
Beregn ladninger med Norma 203B
Bruk vår profesjonelle ballistikkalkulator for å utvikle trygge og nøyaktige ladeoppskrifter.
Start beregning