Description
Rottweil's R 902 propellant powder features a medium burn rate of 2.7, making it ideally suited for various rifle loads. Known for its versatility, R 902 is commonly employed in medium to large caliber cartridges, benefiting calibers such as the .308 Winchester and .30-06 Springfield. Its granular form facilitates consistent metering through powder measures, ensuring uniform charges for precise ammunition development. R 902 exhibits commendable temperature stability, maintaining performance across a broad range of environmental conditions, which is particularly advantageous for shooters facing variable climates. During load development, careful attention to pressure signs is advisable due to the powder's efficiency, potentially reaching optimal velocities within lower charge weights compared to other propellants. Manufactured by Rottweil, a respected name in the reloading community, R 902 has become a trusted choice for experienced handloaders seeking repeatable performance and high accuracy. Its reliable ignition characteristics make it an excellent option for precision shooting disciplines, providing a delicate balance of power and control.
Specifications
Burn Rate
5.2 (Medium)
Bulk Density
0.887 g/cm³
Density
1.570 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 — Rottweil R 902
Verified load data combinations using Rottweil R 902.
.17 Rem.
Berger .172 | 25gr | Berger Varmint 25gr
.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
Nosler .204 | 32gr | Nosler Varmageddon 32gr
.20 BR
Nosler .204 | 32gr | Nosler Ballistic Tip Lead Free 32gr
.20 BR
Nosler .204 | 32gr | Nosler Varmageddon HP 32gr
.20 BR
Nosler .204 | 32gr | Nosler CT Ballistic Silvertip RN 32gr
.20 BR
Nosler .204 | 32gr | Nosler Ballistic Tip Varmint 32gr
.20 BR
Nosler .204 | 40gr | Nosler Ballistic Tip Varmint 40gr
.20 BR
Peregrine .204 | 34gr | Peregrine VLR-4 34gr
.20 BR
Peregrine .204 | 36gr | Peregrine VLR-5 36gr
.20 BR
Sierra .204 | 32gr | Sierra BlitzKing 32gr
.20 BR
Sierra .204 | 36gr | Sierra Spitzer (SPT) 36gr
.20 BR
Sierra .204 | 39gr | Sierra Tipped VarmintKing 39gr
Subsonic Loads — Rottweil R 902
Verified subsonic load data combinations using Rottweil R 902.
.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 — Rottweil R 902
Sample load data calculated with Rottweil R 902.
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| Cartridge | Bullet | Barrel (in) | Charge (gr) | OAL (in) | Case Volume (GoW) | Max. Pressure (psi) | Muzzle Velocity (fps) |
|---|---|---|---|---|---|---|---|
| .224 | 50gr | Fox Classic Hunter | 36.0 | 21.5 | 2.13 | 27.9 | 39,146 (73%) | 3136 | |
| .224 | 52gr | RWS Match Jagd | 20.0 | 24.0 | 2.22 | 29.2 | 44,364 (81%) | 2959 | |
| .277 | 96gr | RWS Evolution Green | 20.0 | 49.7 | 3.34 | 67.0 | 52,359 (84%) | 3120 | |
| .308 | 139gr | RWS Evolution Green | 26.8 | ••.• | 2.80 | 56.0 | 41,945 (70%) | 2703 | |
| .308 | 155gr | RWS Scorion HPBT-Match | 24.0 | ••.• | 2.78 | 54.5 | 51,445 (85%) | 2687 | |
| .308 | 155gr | RWS Scorion HPBT-Match | 20.0 | ••.• | 2.76 | 54.5 | 56,730 (94%) | 2651 | |
| .308 | 150gr | Hornady SST InterLock L1.12 | 20.5 | ••.• | 2.80 | 56.0 | 50,807 (84%) | 2635 | |
| .308 | 155gr | RWS Scorion HPBT-Match | 24.0 | ••.• | 2.76 | 54.5 | 47,161 (78%) | 2605 | |
| .308 | 155gr | RWS Scorion HPBT-Match | 20.0 | ••.• | 2.76 | 54.5 | 52,256 (87%) | 2595 | |
| .308 | 155gr | RWS Scorion HPBT-Match | 20.0 | ••.• | 2.78 | 54.5 | 51,445 (85%) | 2585 | |
| .308 | 155gr | RWS Scorion HPBT-Match | 24.0 | ••.• | 2.76 | 54.5 | 45,497 (76%) | 2575 | |
| .308 | 155gr | RWS Scorion HPBT-Match | 20.0 | ••.• | 2.76 | 54.5 | 50,350 (84%) | 2566 | |
| .308 | 150gr | Barnes TTSX BT | 20.1 | ••.• | 2.83 | 56.5 | 47,282 (79%) | 2559 | |
| .308 | 155gr | RWS Scorion HPBT-Match | 20.0 | ••.• | 2.76 | 54.5 | 46,846 (78%) | 2513 | |
| .308 | 155gr | RWS Scorion HPBT-Match | 20.0 | ••.• | 2.76 | 54.5 | 45,233 (75%) | 2484 | |
| .308 | 165gr | RWS Kegelspitz | 20.1 | ••.• | 2.73 | 55.8 | 44,570 (74%) | 2425 | |
| .284 | 110gr | Barnes TTSX | 23.6 | ••.• | 3.31 | 66.0 | 53,534 (89%) | 3130 | |
| .323 | 160gr | Barnes TTSX BT | 23.6 | ••.• | 3.09 | 63.4 | 42,859 (76%) | 2618 |
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