Popis
IMR 4198 powder exhibits a fast burn rate, making it particularly suitable for rifle applications where quick pressure build-up is advantageous. Its primary applications include small to medium rifle calibers such as the .223 Remington, .45-70 Government, and .444 Marlin. The extruded powder form is known for its consistency in metering, although care should be taken with volumetric measures to ensure precision. This consistency is advantageous for reloaders who require tight tolerances for improved accuracy. Regarding temperature stability, IMR 4198 performs reliably across a broad temperature range, though users in extreme conditions may wish to perform their own testing to affirm performance consistency. Popular among handloaders for its versatility, IMR 4198 facilitates a straightforward load development process. Reloaders benefit from its efficiency in achieving desired velocities at lower charge weights. Its reputation within the handloading community is bolstered by its reliability and the performance edge it provides in creating accurate and stable rounds tailored to specific shooting disciplines.
Specifikace
Rychlost hoření
5.6 (Medium)
Sypná hustota
0.825 g/cm³
Hustota
1.590 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 — IMR 4198
Ověřené kombinace dat náplně pomocí IMR 4198.
.17 Rem.
Berger .172 | 25gr | Berger Varmint 25gr
.17 Rem.
Hornady .172 | 15.5gr | Hornady NTX 15.5gr
.17 Rem.
Hornady .172 | 17gr | Hornady V-MAX 17gr
.17 Rem.
Hornady .172 | 20gr | Hornady V-MAX 20gr
.17 Rem.
Hornady .172 | 25gr | Hornady V-MAX 25gr
.17 Rem.
Impala Bullets .172 | 20gr | Impala LWHV LS 20gr
.17 Rem.
Impala Bullets .172 | 22gr | Impala LW CFN 22gr
.17 Rem.
Lehigh Defense .172 | 18gr | Lehigh Defense Controlled Chaos 18gr
.17 Rem.
Nosler .172 | 20gr | Nosler Varmageddon BTip 20gr
.17 Rem.
Nosler .172 | 20gr | Nosler Varmageddon 20gr
.17 Rem.
Peregrine .172 | 21gr | Peregrine VLR-4 21gr
.17 Rem.
Peregrine .172 | 22gr | Peregrine VLR-5 22gr
.17 Rem.
Styria Arms | AERO .172 | 19gr | AERO SB-SR,- smax:7.00 19gr
.17 Rem.
Styria Arms | AERO .172 | 19gr | AERO SOLR-SR,- smax:6.90 19gr
.17 Rem. Fireball
Berger .172 | 25gr | Berger Varmint 25gr
.17 Rem. Fireball
Hornady .172 | 17gr | Hornady V-MAX 17gr
.17 Rem. Fireball
Hornady .172 | 20gr | Hornady V-MAX 20gr
.17 Rem. Fireball
Hornady .172 | 25gr | Hornady V-MAX 25gr
Subsonické náplně — IMR 4198
Ověřené kombinace subsonických náplní pomocí IMR 4198.
.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 — IMR 4198
Příklady nabíjecích dat vypočítaných s IMR 4198.
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 | 52gr | Berger Target FB | 610 | 1.57 | 53.5 | 2.07 | 3,730 (92%) | 1037 | |
| .224 | 36gr | Barnes Varmint Grenade FB | 610 | 1.36 | 54.1 | 1.81 | 2,812 (76%) | 1040 | |
| .224 | 53gr | Hornady V-MAX | 610 | ••.•• | 57.4 | 2.10 | 3,404 (90%) | 975 | |
| .224 | 53gr | Hornady V-MAX | 610 | 1.43 | 57.4 | 2.10 | 3,245 (85%) | 963 | |
| .224 | 77gr | Berger OTM | 660 | ••.•• | 56.5 | 1.87 | 2,511 (66%) | 739 | |
| .308 | 150gr | Nosler Expansion Tip | 508 | ••.•• | 83.6 | 4.42 | 3,633 (90%) | 809 | |
| .308 | 150gr | Nosler Expansion Tip | 508 | ••.•• | 83.6 | 4.42 | 3,504 (87%) | 801 | |
| .308 | 168gr | Sierra HPBT MatchKing | 660 | ••.•• | 73.4 | 3.58 | 4,073 (98%) | 809 | |
| .308 | 168gr | Sierra HPBT MatchKing | 660 | ••.•• | 73.4 | 3.58 | 3,989 (96%) | 804 | |
| .308 | 168gr | Sierra HPBT MatchKing | 660 | ••.•• | 73.4 | 3.58 | 3,936 (95%) | 801 | |
| .308 | 168gr | Sierra HPBT MatchKing | 660 | ••.•• | 73.4 | 3.58 | 3,801 (92%) | 794 | |
| .308 | 168gr | Sierra HPBT MatchKing | 660 | ••.•• | 73.4 | 3.58 | 3,776 (91%) | 793 | |
| .308 | 168gr | Sierra HPBT MatchKing | 660 | ••.•• | 73.4 | 3.58 | 3,521 (85%) | 778 | |
| .309 | 160gr | LEE Mold C309-160-R | 457 | ••.•• | 66.0 | 3.63 | 3,764 (91%) | 767 | |
| .358 | 180gr | Barnes TSX FN FB | 508 | ••.•• | 63.5 | 2.86 | 2,477 (72%) | 653 | |
| .458 | 300gr | Hornady InterLock | 559 | ••.•• | 64.8 | 5.12 | 2,174 (99%) | 606 | |
| .458 | 325gr | Hornady FTX | 480 | ••.•• | 64.8 | 5.12 | 2,153 (98%) | 556 | |
| .458 | 350gr | Hornady InterLock FP | 559 | ••.•• | 64.8 | 5.12 | 1,759 (80%) | 536 |
Vypočítat náplně s IMR 4198
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