Description
IMR 3031 is a versatile rifle powder with a medium burn rate, ideally suited for .223 Remington, .22-250 Remington, and .308 Winchester, among other calibers. Developed as a single-base powder, it delivers consistent performance across a range of applications, predominantly in medium-sized rifles. Its extruded granule shape offers reliable metering with the appropriate equipment, though it may require some attention in progressive systems to ensure precision. Known for its temperature stability, IMR 3031 maintains predictable performance across various climatic conditions, making it favorable for both target shooting and hunting applications. Its reputation within the handloading community is well-regarded, thanks to its ability to produce accurate and consistent loads. During load development, the powder allows for fine-tuning without excessive pressure swings, offering an edge for those seeking to optimize ballistic performance. Enthusiasts favor IMR 3031 for its effective balance between pressure management and velocity output. The powder's manufacturer, IMR, is known for producing reliable propellants that cater to both seasoned and novice reloaders.
Specifications
Burn Rate
5.2 (Medium)
Bulk Density
0.889 g/cm³
Density
1.580 g/cm³
Temperature Sensitivity
Low
Suitable Substitutes
Powders with a similar burn rate that may be suitable alternatives (also see burn rate chart):
Standard Loads — IMR 3031
Verified load data combinations using IMR 3031.
.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 | 21gr | Peregrine VLR-4 21gr
.17 Rem.
Peregrine .172 | 22gr | Peregrine VLR-5 22gr
.17 Rem. Fireball
Berger .172 | 25gr | Berger Varmint 25gr
.17 Rem. Fireball
Hornady .172 | 25gr | Hornady V-MAX 25gr
.20 BR
Barnes .204 | 20gr | Barnes Varminator HP FB 20gr
.20 BR
Barnes .204 | 26gr | Barnes Varmint Grenade FB 26gr
.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 | 24gr | Hornady NTX 24gr
.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 LW CFN 30gr
.20 BR
Impala Bullets .204 | 30gr | Impala LWHV LS 30gr
Subsonic Loads — IMR 3031
Verified subsonic load data combinations using IMR 3031.
.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
.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
Community Loads — IMR 3031
Sample load data calculated with IMR 3031.
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| Cartridge | Bullet | Barrel (in) | Charge (gr) | OAL (in) | Case Volume (GoW) | Max. Pressure (psi) | Muzzle Velocity (fps) |
|---|---|---|---|---|---|---|---|
| .224 | 62gr | Hornady FMJ | 22.0 | 28.0 | 2.10 | 34.6 | 51,764 (100%) | 3225 | |
| .224 | 62gr | Hornady FMJ | 20.0 | 28.0 | 2.10 | 34.6 | 51,764 (100%) | 3159 | |
| .224 | 80gr | Hornady ELD-Match | 11.5 | ••.• | 2.26 | 34.6 | 50,705 (98%) | 2402 | |
| .224 | 80gr | Hornady ELD-Match | 11.5 | 24.0 | 2.26 | 34.6 | 45,063 (87%) | 2306 | |
| .224 | 40gr | Hornady V-MAX | 22.0 | ••.• | 2.34 | 43.5 | 52,257 (89%) | 3917 | |
| .224 | 40gr | Hornady V-MAX | 22.0 | ••.• | 2.34 | 43.5 | 52,040 (89%) | 3914 | |
| .224 | 50gr | Hornady V-MAX | 22.0 | ••.• | 2.34 | 43.5 | 51,924 (88%) | 3602 | |
| .224 | 60gr | Hornady V-MAX | 22.0 | ••.• | 2.35 | 43.5 | 51,358 (87%) | 3330 | |
| .224 | 53gr | Hornady V-MAX | 24.0 | ••.• | 2.26 | 34.2 | 45,614 (83%) | 3284 | |
| .224 | 53gr | Hornady V-MAX | 24.0 | ••.• | 2.26 | 31.0 | 44,135 (80%) | 3196 | |
| .224 | 62gr | Speer FMJ | 18.0 | ••.• | 2.26 | 30.0 | 33,852 (62%) | 2572 | |
| .224 | 90gr | Hornady A-Tip Match | 16.0 | ••.• | 2.26 | 30.0 | 37,128 (68%) | 2146 | |
| .257 | 110gr | Sierra Tipped GameKing | 17.0 | ••.• | 2.70 | 51.5 | 51,760 (83%) | 2648 | |
| .257 | 110gr | Sierra Tipped GameKing | 17.0 | ••.• | 2.70 | 51.5 | 50,591 (82%) | 2631 | |
| .257 | 87gr | Speer Hot-Cor | 24.0 | ••.• | 2.52 | 45.5 | 36,260 (68%) | 2871 | |
| .257 | 75gr | Sierra HP Varminter | 22.0 | ••.• | 2.77 | 56.0 | 48,602 (94%) | 3333 | |
| .257 | 75gr | Sierra HP Varminter | 22.0 | ••.• | 2.77 | 56.0 | 45,281 (88%) | 3268 | |
| .257 | 87gr | Speer Spitzer Soft Point | 22.0 | ••.• | 2.77 | 56.0 | 49,110 (95%) | 3133 |
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