Description
Norma URP is a versatile rifle propellant characterized by a medium burn rate, offering refined performance suited to a wide range of rifle calibers. Classified with a burn rate factor of 1.4, URP excels in providing consistent ignition and predictable velocities, making it a preferred choice among precision reloaders. Its physical form consists of small-grain extruded powder, known for delivering excellent metering properties when working with volumetric powder measures, ensuring uniformity across loads. URP is engineered for enhanced temperature stability, minimizing velocity fluctuations across diverse environmental conditions. Its versatility is particularly noted when paired with popular calibers such as .308 Winchester, 6.5 Creedmoor, and .30-06 Springfield, where it promotes optimum burn efficiency and accuracy. Reloaders will appreciate its broad application range, from medium-sized hunting loads to competitive target shooting settings. For load development, URP offers an expansive margin for case fill ratios, accommodating fine-tuning in powder charges for precision applications. Handloaders benefit from Norma's renowned quality control and extensive load data support, ensuring safety and reliability throughout the reloading process. This balance of performance and adaptability positions URP as a reliable component for achieving match-grade accuracy.
Specifications
Burn Rate
3.4 (Medium-Slow)
Bulk Density
0.910 g/cm³
Density
1.600 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 — Norma URP
Verified load data combinations using Norma URP.
.20 BR
Berger .204 | 55gr | Berger Varmint 55gr
.20 BR
Hornady .204 | 45gr | Hornady SP 45gr
.22 ARC
Sierra .224 | 90gr | Sierra HPBT MatchKinging 90gr
.22 ARC (bolt action)
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 VLC S 50gr
.22 Creedmoor
Barnes .224 | 50gr | Barnes TSX BT 50gr
.22 Creedmoor
Barnes .224 | 50gr | Barnes Varmint Grenade FB 50gr
.22 Creedmoor
Barnes .224 | 50gr | Barnes X S 50gr
.22 Creedmoor
Barnes .204 | 50gr | Barnes Varminator HP FB 50gr
.22 Creedmoor
Barnes .224 | 50gr | Barnes Solid Spitz 50gr
.22 Creedmoor
Barnes .224 | 50gr | Barnes XLC S 50gr
.22 Creedmoor
Barnes .224 | 52gr | Barnes Match Burner BT 52gr
.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 | 53gr | Barnes TAC-X 53gr
Subsonic Loads — Norma URP
Verified subsonic load data combinations using Norma URP.
.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.
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 | 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
.308 Win.
Lapua .308 | 200gr | Lapua Subsonic 200gr
.308 Win.
MAKER .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets 200gr
Community Loads — Norma URP
Sample load data calculated with Norma URP.
You need a PRO license to unlock and view all data.
| Cartridge | Bullet | Barrel (in) | Charge (gr) | OAL (in) | Case Volume (GoW) | Max. Pressure (psi) | Muzzle Velocity (fps) |
|---|---|---|---|---|---|---|---|
| .243 | 80gr | Barnes TTSX BT | 19.7 | 41.0 | 2.67 | 54.0 | 43,571 (72%) | 2848 | |
| .243 | 103gr | Hornady ELD-X | 22.0 | 40.0 | 2.71 | 54.0 | 50,270 (84%) | 2772 | |
| .308 | 180gr | Norma ORYX | 24.0 | 48.2 | 3.29 | 68.2 | 35,389 (60%) | 2398 | |
| .375 | 270gr | Hornady SP | 28.0 | ••.• | 3.62 | 94.1 | 40,026 (85%) | 2520 | |
| .375 | 270gr | Hornady SP | 28.0 | ••.• | 3.62 | 94.1 | 36,222 (77%) | 2441 | |
| .375 | 250gr | Hornady CX | 28.0 | ••.• | 3.80 | 94.1 | 35,517 (75%) | 2438 | |
| .375 | 260gr | Nosler Partition | 28.0 | ••.• | 3.62 | 94.1 | 33,598 (71%) | 2425 | |
| .375 | 300gr | Woodleigh FMJ | 25.6 | ••.• | 3.80 | 94.1 | 45,693 (97%) | 2418 | |
| .375 | 300gr | Woodleigh FMJ | 28.0 | ••.• | 3.80 | 94.1 | 40,600 (86%) | 2369 | |
| .375 | 270gr | Hornady SP | 28.0 | ••.• | 3.70 | 94.1 | 32,326 (69%) | 2362 | |
| .375 | 260gr | Nosler Partition | 28.0 | ••.• | 3.62 | 94.1 | 30,648 (65%) | 2349 | |
| .375 | 300gr | Hornady DGS | 28.0 | ••.• | 3.62 | 94.1 | 37,323 (79%) | 2346 | |
| .375 | 300gr | Woodleigh FMJ | 28.0 | ••.• | 3.80 | 94.1 | 37,896 (80%) | 2316 | |
| .375 | 300gr | Woodleigh FMJ | 25.6 | ••.• | 3.80 | 94.1 | 39,648 (84%) | 2306 | |
| .375 | 300gr | Hornady DGS | 28.0 | ••.• | 3.62 | 94.1 | 34,883 (74%) | 2297 | |
| .375 | 270gr | Hornady SP | 28.0 | ••.• | 3.62 | 94.1 | 29,662 (63%) | 2283 | |
| .375 | 270gr | Hornady SP | 28.0 | ••.• | 3.70 | 94.1 | 28,390 (60%) | 2260 | |
| .375 | 300gr | Hornady DGS | 28.0 | ••.• | 3.62 | 94.1 | 32,612 (69%) | 2247 |
Calculate Loads with Norma URP
Use our professional ballistics calculator to develop safe and accurate load recipes.
Start Calculating