Popis
Winchester 748 is a spherical powder known for its medium burn rate, making it well-suited for a variety of rifle calibers. Renowned for its versatility, 748 powder is commonly used in popular calibers such as .223 Remington and .308 Winchester, supporting both precision and high-volume shooting activities. Its spherical form ensures excellent metering through powder measures, facilitating consistent charge weights during reloading sessions. The propellant demonstrates commendable temperature stability, maintaining performance across diverse environmental conditions, which is crucial for achieving uniform velocities and accuracy in outdoor settings. Reloaders appreciate 748 for its ability to produce full-power loads while maintaining manageable recoil, especially in semi-automatic firearms. During load development, careful attention should be given to maintaining optimal pressure levels, as this powder effectively translates lower-volume charges into efficient ballistic performance. Winchester’s reputation within the handloading community is underscored by its commitment to providing reliable, clean-burning powders, making 748 a trusted choice for reloaders seeking versatile and repeatable outcomes.
Specifikace
Rychlost hoření
4.6 (Medium)
Sypná hustota
0.963 g/cm³
Hustota
1.620 g/cm³
Citlivost na teplotu
Nízká
Vhodné náhrady
Prachy s podobnou rychlostí hoření, které mohou být vhodnými alternativami (viz také graf rychlosti hoření):
Standardní náplně — Winchester 748
Ověřené kombinace dat náplně pomocí Winchester 748.
.17 Rem.
Berger .172 | 25gr | Berger Varmint 25gr
.17 Rem.
Hornady .172 | 25gr | Hornady V-MAX 25gr
.17 Rem.
Impala Bullets .172 | 22gr | Impala LW CFN 22gr
.17 Rem.
Peregrine .172 | 22gr | Peregrine VLR-5 22gr
.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 | 32gr | Hornady V-MAX 32gr
.20 BR
Hornady .204 | 40gr | Hornady V-MAX 40gr
.20 BR
Hornady .204 | 45gr | Hornady SP 45gr
.20 BR
Impala Bullets .204 | 30gr | Impala LWHV LS 30gr
.20 BR
Impala Bullets .204 | 30gr | Impala LW CFN 30gr
.20 BR
Nosler .204 | 32gr | Nosler Ballistic Tip Varmint 32gr
.20 BR
Nosler .204 | 32gr | Nosler Varmageddon 32gr
.20 BR
Nosler .204 | 32gr | Nosler CT Ballistic Silvertip RN 32gr
.20 BR
Nosler .204 | 32gr | Nosler Varmageddon HP 32gr
.20 BR
Nosler .204 | 32gr | Nosler Ballistic Tip Lead Free 32gr
.20 BR
Nosler .204 | 40gr | Nosler Ballistic Tip Varmint 40gr
Subsonické náplně — Winchester 748
Ověřené kombinace subsonických náplní pomocí Winchester 748.
.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
Kombinace od komunity — Winchester 748
Příklady nabíjecích dat vypočítaných s Winchester 748.
Potřebujete PRO licenci k odemknutí a zobrazení všech dat.
| Ráže | Kulka | Hlaveň (mm) | Náplň (g) | OAL (mm) | Objem nábojnice (cc) | Max. tlak (bar) | Rychlost na ústí hlavně (m/s) |
|---|---|---|---|---|---|---|---|
| .224 | 55gr | Nosler Ballistic Tip Varmint | 660 | 1.75 | 57.4 | 2.10 | 3,040 (80%) | 971 | |
| .224 | 55gr | Hornady SP | 610 | 1.62 | 57.4 | 1.94 | 2,791 (74%) | 915 | |
| .224 | 62gr | Norma RN | 559 | ••.•• | 57.4 | 1.87 | 3,256 (86%) | 895 | |
| .224 | 55gr | Hornady SP | 508 | 1.62 | 57.4 | 1.94 | 2,791 (74%) | 876 | |
| .224 | 55gr | Hornady V-MAX | 406 | ••.•• | 57.4 | 1.94 | 3,237 (85%) | 868 | |
| .224 | 63gr | Sierra SP SemiSp | 508 | ••.•• | 57.4 | 1.87 | 2,917 (77%) | 841 | |
| .224 | 62gr | Hornady FMJ | 368 | ••.•• | 57.4 | 1.87 | 3,398 (90%) | 817 | |
| .257 | 135gr | Berger LRH Target | 610 | ••.•• | 71.8 | 3.34 | 4,060 (95%) | 819 | |
| .308 | 150gr | Hornady SST InterLock L1.12 | 559 | ••.•• | 66.0 | 3.40 | 3,583 (98%) | 824 | |
| .308 | 150gr | Nosler Expansion Tip | 559 | ••.•• | 68.6 | 3.40 | 3,428 (94%) | 816 | |
| .308 | 150gr | Nosler Expansion Tip | 559 | ••.•• | 68.6 | 3.40 | 3,293 (90%) | 806 | |
| .308 | 150gr | Nosler Expansion Tip | 559 | ••.•• | 68.6 | 3.40 | 2,706 (74%) | 759 | |
| .308 | 130gr | Barnes TSX BT | 559 | ••.•• | 71.1 | 3.63 | 3,190 (77%) | 874 | |
| .308 | 130gr | Barnes TTSX BT | 610 | ••.•• | 71.1 | 3.63 | 2,975 (72%) | 866 | |
| .308 | 150gr | Hornady InterLock RN | 533 | ••.•• | 71.1 | 3.63 | 3,982 (96%) | 864 | |
| .308 | 150gr | Barnes TTSX BT | 559 | ••.•• | 69.5 | 3.63 | 3,934 (95%) | 855 | |
| .308 | 150gr | Barnes TTSX BT | 559 | ••.•• | 69.5 | 3.63 | 3,923 (95%) | 854 | |
| .308 | 150gr | Hornady SP | 559 | ••.•• | 70.6 | 3.63 | 3,450 (83%) | 839 |
Vypočítat náplně s Winchester 748
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