Somchem Load Data
Somchem Reload represents the civilian reloading division of Rheinmetall Denel Munition (Pty) Ltd, a prominent manufacturer of high-quality propellants and ammunition components. The company was formed in September 2008 following the acquisition of a majority share in Denel Munitions (Pty) Ltd by Rheinmetall Waffe Munition AG, establishing a powerful partnership between German engineering excellence and South African manufacturing capability.
Specializing in the production of advanced propellants, Rheinmetall Denel Munition supplies a wide range of powders tailored for the sporting, hunting, and competitive Bisley shooting markets. These products are also available directly to the reloading community under the Somchem Reload banner. The company is committed to delivering reliable, high-performance propellants that meet the stringent standards of accuracy, consistency, and safety demanded by shooters and ammunition manufacturers alike.
Somchem Reload is designed to support reloaders at every level—from hobbyists to professionals—by offering detailed product information, usage guidelines, and performance data to help users achieve optimal results. Backed by Rheinmetall’s global reputation for innovation and quality in defense and civilian markets, the Somchem product line provides reloaders with trusted and proven solutions for a wide range of calibers and applications.
By combining decades of expertise in ballistics with a focus on customer satisfaction, Rheinmetall Denel Munition continues to play a key role in the global ammunition supply chain while serving the unique needs of the reloading community through Somchem Reload.
We have load data for the following Somchem powders:
Somchem S221
Medium burning spherical propellant for revolvers and pistols
Burn rate: 7.4Handgun calibers
Somchem MS200
Extremely fast burning flake propellant for shot and handguns
Burn rate: 9Handgun calibers
Somchem S121
Extremely fast burning spherical propellant for shot and handguns
Burn rate: 9.4Handgun calibers
Burn rate is a relative scale: lower values burn slower, higher values burn faster.
Sample Somchem load data
A cross-section of calculated Somchem loads from our database, covering different calibers and bullets. Open a powder or caliber to see the full load tables.
Last updated: August 20, 2026
| Caliber | Bullet | Powder | Charge (gr) | Max. pressure (psi) | Muzzle velocity (fps) |
|---|---|---|---|---|---|
| .308 Win. | .308 | 190gr | Hornady Sub-X | Somchem S341 | 44.1 | 58,320 | 2,530 |
| 9 mm Para | .356 | 115gr | Berry's Round Nose | Somchem MP200 | 5.9 | 33,112 | 1,227 |
| 6.5 Creedmoor | .264 | 147gr | Hornady ELD Match | Somchem S365 | 41.1 | 54,360 | 2,657 |
| 7 mm PRC | .284 | 175gr | Hornady ELD-X | Somchem S355 | 57.1 | 64,498 | 2,799 |
| .223 Rem. | .224 | 55gr | Hornady Traditional/FMJ | Somchem S321 | 27.3 | 54,230 | 3,241 |
| 6.5 PRC | .264 | 143gr | Hornady ELD-X | Somchem S365 | Available with access license | 63,454 | 2,900 |
| .30-06 Spring. | .308 | 168gr | Barnes TTSX BT | Somchem S355 | Available with access license | 55,898 | 2,762 |
| .22 Creedmoor | .224 | 85.5gr | Berger Long Range Hybrid Target | Somchem S385 | Available with access license | 63,585 | 3,189 |
| 6.8 Western | .277 | 155gr | Barnes LRX BT | Somchem S335 | Available with access license | 63,208 | 2,753 |
| .300 Norma Mag. | .308 | 220gr | Berger Long Range Hybrid Target | Somchem S361 | Available with access license | 61,859 | 2,756 |
| 6 mm GT | .243 | 105gr | Berger Hybrid Target | Somchem S355 | Available with access license | 59,886 | 2,904 |
| .300 Win. Mag. | .308 | 178gr | Hornady ELD-X | Somchem S341 | Available with access license | 62,105 | 2,900 |
| 6.5 x 55 Swedish | .264 | 123gr | Lapua Scenar | Somchem S355 | Available with access license | 54,070 | 2,849 |
| .45-70 Govt. | .458 | 350gr | Hornady InterLock RN | Somchem S335 | Available with access license | 31,792 | 1,919 |
| .338 Lapua Mag. | .338 | 250gr | Lapua Scenar | Somchem S355 | Available with access license | 60,147 | 2,680 |
| .270 Win. | .277 | 145gr | Hornady ELD-X | Somchem S361 | Available with access license | 59,190 | 2,835 |
| 6 mm XC | .243 | 105gr | Berger VLD Target | Somchem S385 | Available with access license | 52,591 | 2,904 |
| .25 Creedmoor | .257 | 133gr | Berger Elite Hunter | Somchem S365 | Available with access license | 56,492 | 2,759 |
Personalized Load Calculator
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Popular load data
Looking for a specific cartridge? Browse the most requested calibers loaded with these powders:
- .30 R Blaser 4,660 loads
- .308 Norma Mag. 4,561 loads
- .300 Blaser Mag. 4,368 loads
- .300 Win. Mag. 4,338 loads
- .300 PRC 4,289 loads
- .300 WSM 4,287 loads
- .30-06 Spring. 4,251 loads
- .300 Weath. Mag. 4,221 loads
- 7.5 x 55 Swiss 3,974 loads
- .300 Norma Mag. 3,807 loads
- .30 Nosler 3,536 loads
- .300 Rem. Ultra Mag. 3,269 loads
- All calibers with load data
Frequently asked questions about Somchem powders
This page lists 12 Somchem powders with load data: Somchem MP200, Somchem S361, Somchem S385, Somchem S365, Somchem S355, Somchem S341, Somchem S335, Somchem S321, Somchem S265, Somchem S221, Somchem MS200, Somchem S121.
Somchem MP200 has the slowest burn rate at 0, and Somchem S121 the fastest at 9.4. Lower values burn slower.
We hold load data using Somchem powders for 414 calibers. The most common ones are .30 R Blaser, .308 Norma Mag., .300 Blaser Mag., .300 Win. Mag., .300 PRC, .300 WSM, .30-06 Spring., .300 Weath. Mag..
None of the Somchem powders in our data is currently flagged for subsonic loads.
Currently 222,551 load records using Somchem powders, spread across 414 calibers.
The values are calculated with an inner-ballistics engine across the full charge range and cross-checked against Somchem product data. They are reference data for experienced handloaders: always start at the minimum charge, work up carefully and cross-check against current published data before firing.