Description
Hornady designed this subsonic 30-30 load specifically for shooters who want the reduced noise and less recoil of a below-sound-speed cartridge without compromising on performance. It's a solid choice for lever-action rifles when you're working close to home or in noise-sensitive areas, whether running it unsuppressed or with a can.
What Makes the Subsonic Sub-X Bullet Work
The Sub-X uses a lead core with long grooves in its gilding metal jacket combined with a flat profile and patented Flex Tip insert. That polymer tip sits inside a hollow-point cavity and helps the bullet expand reliably even at the modest 1,050 feet per second muzzle velocity this load generates. The design delivers about 428 foot-pounds of energy at the muzzle, which keeps things quiet but still effective at legitimate hunting ranges.
Powders Built for Quiet Performance
Hornady selected specific powders for this subsonic load to provide consistency shot to shot and a reduced muzzle flash signature. That matters whether you're running a suppressor or not. You get the quieter report either way, plus the low flash keeps your position better hidden when needed. The load comes in reloadable brass casings, so if you're into hand-loading, these cases have life left in them.
Real-World Performance
Field reports show the Subsonic Sub-X delivers quick, clean kills on deer-sized game at close range. The bullet passes through cleanly and creates a substantial wound channel, which speaks to the design working as intended. It pairs well with classic lever guns like the Marlin 336 or other 30-30 rifles, giving you a tame shooting experience without the typical crack and concussion.
Key Specifications
- Caliber: .30-30 Winchester
- Bullet Weight: 175 grains
- Bullet Type: Sub-X
- Muzzle Velocity: 1,050 fps
- Muzzle Energy: 428 ft-lbs
- Case Type: Brass
- Reloadable: Yes
- Rounds per Box: 20
- Application: Hunting
- Manufacturer: Hornady
- Manufacturer Part Number: 80809
- UPC: 090255808094
- Ballistic Coefficient: 0.3 (G1)
- Sectional Density: 0.264
What’s Included
- 20 rounds of Hornady Subsonic 30-30 Win 175gr Sub-X ammunition
- Brass cartridge cases
- Boxer primers
Frequently Asked Questions
Is this subsonic ammo hearing safe with a suppressor?
Yes, this load delivers 1,050 fps muzzle velocity, which is below the speed of sound (around 1,125 fps). When paired with a suppressor, it becomes hearing safe without that supersonic crack. You get quiet performance even without a can, but the suppressor takes it to another level of silence.
What's the effective range for this Hornady subsonic load?
This ammunition is best suited for close-range hunting, typically effective inside 100 yards on deer-sized game. The reduced velocity means a shorter effective range compared to standard 30-30 loads, but the Sub-X bullet design promotes reliable expansion at these subsonic speeds.
Can I reload this subsonic ammo?
Yes. These come in reloadable brass cases with Boxer primers, so once you fire them, you can reload these cases. That's a nice bonus for folks who hand-load and want to run this quieter load multiple times.
Will subsonic 30-30 work in my lever gun?
Yes, it will function in any standard 30-30 Winchester rifle, including lever guns like the Marlin 336. The reduced recoil from this load actually makes shooting more comfortable, and the flat-nosed Sub-X bullet is safe for tube magazines.







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