Beskrivning
IMR 4831 is a nitrocellulose-based extruded propellant characterized by a slow burn rate of 1.1, making it ideal for medium to heavy rifle cartridges. This powder is particularly well-suited for calibers such as .30-06 Spring, .270 Winchester, and .300 Winchester Magnum, providing reloaders with the versatility required for a range of applications from hunting to precision target shooting. In its granular physical form, IMR 4831 exhibits excellent metering properties, allowing for consistent charges, which is crucial for achieving optimal accuracy and velocity. The temperature sensitivity of IMR 4831 is moderate, ensuring stable performance across a wide range of environmental conditions, but careful attention should be given to loading data to maintain consistency. Popular among experienced reloaders, this powder facilitates load development thanks to its forgiving nature and ability to produce tight groupings. The combination of these attributes positions IMR 4831 as a reliable choice for handloaders seeking enhanced performance in their rifle ammunition.
Specifikationer
Förbränningshastighet
1.8 (Slow)
Skrymdensitet
0.914 g/cm³
Densitet
1.600 g/cm³
Temperaturkänslighet
Låg
Lämpliga alternativ
Krut med liknande förbränningshastighet som kan vara lämpliga alternativ (se även förbränningshastighetstabell):
Somchem S361
Somchem · Förbränningshastighet: 1.8
Hodgdon H4831
Hodgdon · Förbränningshastighet: 1.8
Shooters World Buffalo Rifle
Shooters World · Förbränningshastighet: 2
Accurate 3100
Accurate Powders · Förbränningshastighet: 2
Lovex S071
Lovex · Förbränningshastighet: 2
ReloadSwiss RS 70
Reload Swiss · Förbränningshastighet: 1.6
Standardladdningar — IMR 4831
Verifierade laddningsdata kombinationer med IMR 4831.
.20 BR
Berger .204 | 55gr | Berger Varmint 55gr
.22 ARC
Sierra .224 | 90gr | Sierra HPBT MatchKinging 90gr
.22 BR Rem.
Berger .224 | 82gr | Berger LTB 82gr
.22 Creedmoor
A-Square .224 | 72gr | A-Square e 72gr
.22 Creedmoor
Barnes .224 | 50gr | Barnes XLC S 50gr
.22 Creedmoor
Barnes .224 | 50gr | Barnes TSX BT 50gr
.22 Creedmoor
Barnes .224 | 50gr | Barnes X S 50gr
.22 Creedmoor
Barnes .224 | 52gr | Barnes Match Burner BT 52gr
.22 Creedmoor
Barnes .224 | 53gr | Barnes TAC-X 53gr
.22 Creedmoor
Barnes .224 | 53gr | Barnes XLC S 53gr
.22 Creedmoor
Barnes .224 | 53gr | Barnes X S 53gr
.22 Creedmoor
Barnes .224 | 53gr | Barnes TSX BT 53gr
.22 Creedmoor
Barnes .224 | 55gr | Barnes MPG FB 55gr
.22 Creedmoor
Barnes .224 | 55gr | Barnes TSX BT 55gr
.22 Creedmoor
Barnes .224 | 55gr | Barnes TTSX BT 55gr
.22 Creedmoor
Barnes .224 | 55gr | Barnes RRLP 55gr
.22 Creedmoor
Barnes .224 | 62gr | Barnes TTSX BT 62gr
.22 Creedmoor
Barnes .224 | 62gr | Barnes TAC-X 62gr
Subsoniska laddningar — IMR 4831
Verifierade subsoniska laddningsdata kombinationer med IMR 4831.
.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 | 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
.308 Win.
Lapua .308 | 200gr | Lapua Subsonic 200gr
.308 Win.
MAKER .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets 200gr
Gemenskapsladdningar — IMR 4831
Exempelladddata beräknad med IMR 4831.
Du behöver en PRO-licens för att låsa upp och visa all data.
| Kaliber | Kula | Pipa (mm) | Laddning (g) | OAL (mm) | Hylsvolym (cc) | Max. tryck (bar) | Mynningens hastighet (m/s) |
|---|---|---|---|---|---|---|---|
| .224 | 69gr | Hornady ELD-VT | 559 | 2.75 | 68.6 | 3.30 | 3,873 (86%) | 1005 | |
| .224 | 69gr | Hornady ELD-VT | 559 | 2.72 | 68.6 | 3.30 | 3,733 (83%) | 994 | |
| .243 | 80gr | Remington PSP | 510 | 2.92 | 68.8 | 3.50 | 3,751 (90%) | 927 | |
| .243 | 100gr | Speer Boat Tail Soft Point | 508 | ••.•• | 67.3 | 3.51 | 4,132 (100%) | 873 | |
| .243 | 100gr | Speer Boat Tail Soft Point | 508 | ••.•• | 67.3 | 3.51 | 3,985 (96%) | 864 | |
| .257 | 135gr | Berger Long Range Hybrid Target | 676 | ••.•• | 73.4 | 3.34 | 4,227 (99%) | 862 | |
| .257 | 95gr | Hammer HHT | 660 | ••.•• | 78.7 | 5.57 | 4,389 (100%) | 1081 | |
| .257 | 95gr | Hammer HHT | 660 | ••.•• | 78.7 | 5.57 | 4,192 (95%) | 1068 | |
| .257 | 95gr | Hammer HHT | 660 | ••.•• | 78.7 | 5.57 | 3,923 (89%) | 1049 | |
| .264 | 100gr | Barnes TTSX BT | 660 | ••.•• | 84.8 | 5.31 | 2,847 (66%) | 949 | |
| .277 | 140gr | Nosler AccuBond | 610 | ••.•• | 84.8 | 4.34 | 3,895 (91%) | 886 | |
| .308 | 168gr | Speer MHP BTHP M | 559 | ••.•• | 84.8 | 4.42 | 3,513 (87%) | 824 | |
| .308 | 180gr | Winchester SPRN Pow.Point | 559 | ••.•• | 83.3 | 4.42 | 3,733 (92%) | 816 | |
| .308 | 168gr | Speer MHP BTHP M | 559 | ••.•• | 84.8 | 4.42 | 3,313 (82%) | 810 | |
| .308 | 175gr | Barnes LRX BT | 660 | ••.•• | 91.4 | 5.57 | 4,286 (100%) | 917 | |
| .308 | 175gr | Barnes LRX BT | 660 | ••.•• | 90.4 | 6.41 | 4,352 (99%) | 933 | |
| .308 | 175gr | Barnes LRX BT | 660 | ••.•• | 91.4 | 6.41 | 3,773 (86%) | 908 | |
| .308 | 180gr | Sierra SBT GameKing | 660 | ••.•• | 87.4 | 5.78 | 4,206 (98%) | 914 |
Beräkna laddningar med IMR 4831
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