
Popis
IMR 4227 is a versatile propellant featuring a medium-fast burn rate, making it particularly suitable for rifle applications and specialized subsonic loads. Its fine-grain powder form ensures consistent metering, allowing for precise charge weights during the reloading process. With a reputation for stable performance across varying temperatures, IMR 4227 provides reliable ignition and uniform velocities, essential for achieving consistent accuracy in demanding shooting conditions. Handloaders frequently pair IMR 4227 with calibers such as the .30 Carbine, .300 AAC Blackout, and .218 Bee due to its capability to maximize performance in these cartridges. When developing loads, users will find that this powder delivers smooth pressures and efficient energy transfer, making it ideal for both hunting and target shooting scenarios. The consistent batch-to-batch quality upheld by IMR ensures that reloaders can develop highly repeatable and precise ammunition, whether targeting supersonic or subsonic loadings.
Specifikace
Rychlost hoření
6 (Medium-Fast)
Sypná hustota
0.842 g/cm³
Hustota
1.520 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 4227
Ověřené kombinace dat náplně pomocí IMR 4227.
.17 Hornet
Berger .172 | 25gr | Berger Varmint 25gr
.17 Hornet
Hornady .172 | 25gr | Hornady V-MAX 25gr
.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.
Lehigh Defense .172 | 20gr | Lehigh Defense Controlled Chaos 20gr
.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
Subsonické náplně — IMR 4227
Ověřené kombinace subsonických náplní pomocí IMR 4227.
.30-06 Spring.
Berger .308 | 230gr | Berger Hybrid Target 230gr
.30-06 Spring.
Berger .308 | 230gr | Berger Hybrid OTM Tactical 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
.300 AAC Blackout
Barnes .308 | 180gr | Barnes MRX BT 180gr
.300 AAC Blackout
Discreet Ballistics .308 | 188gr | Discreet Ballistics Selous Machined Expander 188gr
.300 AAC Blackout
Ferrobull Europe .308 | 180gr | Ferrobull Tripple Expand Jagd 180gr
Kombinace od komunity — IMR 4227
Příklady nabíjecích dat vypočítaných s IMR 4227.
Potřebujete PRO licenci k odemknutí a zobrazení všech dat.
| Ráže | Kulka | Hlaveň (in) | Náplň (gr) | OAL (in) | Objem nábojnice (GoW) | Max. tlak (psi) | Rychlost na ústí hlavně (fps) |
|---|---|---|---|---|---|---|---|
| .172 | 20gr | Hornady V-MAX | 20.0 | 15.0 | 1.80 | 20.5 | 52,982 (96%) | 3845 | |
| .172 | 20gr | Hornady V-MAX | 20.0 | 14.0 | 1.80 | 20.5 | 43,830 (80%) | 3642 | |
| .222 | 60gr | Hornady V-MAX | 23.6 | ••.• | 2.35 | 43.5 | 101,715 (173%) | 3770 | |
| .224 | 55gr | Hornady SP | 23.6 | ••.• | 2.35 | 43.5 | 61,482 (105%) | 3484 | |
| .222 | 60gr | Hornady V-MAX | 23.6 | 28.0 | 2.35 | 43.5 | 66,094 (113%) | 3409 | |
| .308 | 125gr | Speer TNT | 16.0 | ••.• | 2.10 | 25.1 | 42,630 (84%) | 2057 | |
| .308 | 125gr | Sierra MatchKing | 16.2 | ••.• | 2.26 | 31.0 | 48,066 (84%) | 2103 | |
| .355 | 170gr | Hornady InterLock | 18.0 | ••.• | 2.26 | 36.8 | 47,311 (86%) | 2110 | |
| .355 | 170gr | Hornady InterLock | 18.0 | ••.• | 2.26 | 36.8 | 36,814 (67%) | 1959 | |
| .224 | 55gr | Speer Spitzer Soft Point | 16.0 | ••.• | 2.17 | 28.8 | 57,246 (92%) | 2910 | |
| .224 | 55gr | Speer Spitzer Soft Point | 16.0 | ••.• | 2.17 | 28.8 | 56,362 (90%) | 2897 |
Vypočítat náplně s IMR 4227
Použijte náš profesionální balistický kalkulátor pro vývoj bezpečných a přesných receptur nabíjení.
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