Ammunition maker
Underwood Ammo
Underwood Ammo in the reference: 412 factory loads.
Overview
| Records | Count | Open |
|---|---|---|
| Factory loads | 412 | Filter the explorer |
Illinois manufacturer of maximum-performance defensive and hunting ammunition. Pushes caliber performance to near maximum SAAMI pressure limits.
Also recorded as Underwood, Underwood Ammunition.
Sources and provenance
Associated cartridges
78 cartridges: the ones Underwood Ammo introduced and the ones it loads for.
| Cartridge | Relation | Loads |
|---|---|---|
| 9mm Luger | Loads | 21 |
| 10mm Auto | Loads | 18 |
| .357 Magnum | Loads | 11 |
| .380 ACP | Loads | 9 |
| .45 ACP | Loads | 9 |
| .41 Remington Magnum | Loads | 8 |
| .40 S&W | Loads | 7 |
| .44 Magnum | Loads | 7 |
| .500 S&W Magnum | Loads | 7 |
| .300 AAC Blackout | Loads | 6 |
| .308 Winchester | Loads | 6 |
| .300 Winchester Magnum | Loads | 5 |
| .327 Federal Magnum | Loads | 5 |
| .454 Casull | Loads | 5 |
| .460 S&W Magnum | Loads | 5 |
| .223 Remington | Loads | 4 |
| .45-70 Government | Loads | 4 |
| 6.5 Creedmoor | Loads | 4 |
| .270 Winchester | Loads | 3 |
| .30-06 Springfield | Loads | 3 |
| .338 Lapua Magnum | Loads | 3 |
| .357 SIG | Loads | 3 |
| .38 Special | Loads | 3 |
| .45 Colt | Loads | 3 |
54 more in the factory-load explorer.
Factory loads
412 Underwood Ammo loads in the reference, each with grain weight, bullet type and advertised velocity.
Counts are read from the reference and the shop at build time and change as records are added or corrected. Maker names in the reference are matched to this page through a reviewed alias list, not by spelling alone.