Description
Underwood Ammo sells this .50 Action Express 300gr full metal jacket flat nose load (Underwood part no. 509) in a 20-round box. The non-expanding bullet is built for penetration, and Underwood says the flat nose holds a nose-forward position through dense mass. Underwood rates it at 1580 fps and 1663 ft-lbs and lists it for dangerous game. Flash-suppressed powder and non-corrosive boxer primers complete the load.
Key Specifications
- The cartridge designation is .50 Action Express, the designation Underwood uses for this load.
- Bullet weight is 300 grains, the weight Underwood loads in this full metal jacket flat nose.
- The bullet is a full metal jacket flat nose, a non-expanding design that keeps its nose-forward position through dense mass.
- Underwood rates muzzle velocity at 1580 fps, a supersonic figure that tells you what to expect at the muzzle.
- Muzzle energy is listed at 1663 ft-lbs, the figure to compare against other loads in this cartridge.
- Each box contains 20 loaded rounds, which is the quantity you receive with this listing.
- Sectional density is 0.17, the ratio of the bullet’s mass to its cross-sectional area.
- Underwood states the load is safe to use in a suppressor, a point that matters to suppressor owners.
- The load uses flash-suppressed powder, which keeps your vision from being compromised in low light.
- Construction is new production with non-corrosive boxer primers in reloadable brass cases.
Frequently Asked Questions
Does this full metal jacket bullet expand? No. Underwood describes the full metal jacket flat nose as a non-expanding bullet that is powerfully penetrative, designed for woods defense needs.
What game is it listed for? Underwood lists this .50 Action Express load for dangerous game.
Is this ammunition suppressor safe? Underwood states that this ammunition is safe to use in a suppressor.
Buy the Underwood .50 Action Express 300gr Full Metal Jacket Flat Nose, 20-Round Box
Order this 20-round box from our Lubbock, Texas gun shop for fast, insured shipping, and browse more handgun ammunition while you are here.
Additional Information
| Caliber/Gauge | .50 Action Express |
|---|---|
| Case Material | Brass |
| Cost per Round | 2.01 |
| Grains | 300 gr |
| Length | 3.1500 |
| Manufacturer | Underwood Ammo |
| Manufacturer Part Number | 509 |
| Shipping Weight | 1.5 |
| Units per Box | 20 |
| UPC | 816874023607 |







