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Subsonic Ammo

What is subsonic ammo? Well, in short, subsonic ammo doesn't break the sound barrier. It is a cartridge that has less energy. The advantage of subsonic rounds is noise reduction when paired with a suppressed firearm. We stock a variety of calibers from subsonic .22lr ammo to 9mm, 7.62x39 and more. Shop today at your online source for subsonic ammunition, Palmetto State Armory.

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  1. CorBon Performance Match Subsonic 338 Lapua Ammo 300 Grain BTHP, 20 rds/box - PM338S300

    CorBon Performance Match Subsonic 338 Lapua Ammo 300 Grain BTHP, 20 rds/box - PM338S300

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  2. CorBon Performance Match Subsonic 308 Win Ammo 185 Grain FMJ, 20 rds/box - PM308S185

    CorBon Performance Match Subsonic 308 Win Ammo 185 Grain FMJ, 20 rds/box - PM308S185

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  3. PRVI Partizan 182 Grain FMJ Subsonic 7.62x39 Ammo, 20rd/box - PPS76239

    PRVI Partizan 182 Grain FMJ Subsonic 7.62x39 Ammo, 20rd/box - PPS76239

    Rating:
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  4. Remington 22 Subsonic Ammo .22 LR 40 gr HP 100 Rounds - S22HP1A

    Remington 22 Subsonic Ammo .22 LR 40 gr HP 100 Rounds - S22HP1A

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  5. Remington Subsonic 40 gr PHP 22 lr Ammo

    Remington Subsonic 40 gr PHP 22 lr Ammo, 50/Box - S22HPA

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  6. Hornady Subsonic 180 gr XTPHP .40 S&W Ammo, 20/box - 91369

    Hornady Subsonic 180 gr XTPHP .40 S&W Ammo, 20/box - 91369

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  7. Atomic Ammunition Tactical Cycling Subsonic 220 gr Hollow Point Boat Tail MatchKing 7.62x39mm Ammo, 50/box - 474

    Atomic Ammunition Tactical Cycling Subsonic 220 gr Hollow Point Boat Tail MatchKing 7.62x39mm Ammo, 50/box - 474

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  8. Atomic Ammunition Subsonic 130 gr Sierra Hollow Point Boat Tail 6.5 Crd Ammo, 20/box - 476

    Atomic Ammunition Subsonic 130 gr Sierra Hollow Point Boat Tail 6.5 Crd Ammo, 20/box - 476

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  9. Atomic Ammunition Tactical Cycling Subsonic 260 gr Soft Point Round Nose .308 Win/7.62 Ammo, 50/box - 472

    Atomic Ammunition Tactical Cycling Subsonic 260 gr Soft Point Round Nose .308 Win/7.62 Ammo, 50/box - 472

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  10. Atomic Ammunition Subsonic 175 gr Sierra MatchKing Hollow Point Boat Tail .308 Win/7.62 Ammo, 50/box - 430

    Atomic Ammunition Subsonic 175 gr Sierra MatchKing Hollow Point Boat Tail .308 Win/7.62 Ammo, 50/box - 430

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  11. Atomic Ammunition Subsonic 260 gr Round Nose Soft Point Boat Tail MatchKing .300 Blackout Ammo, 20/box - 478

    Atomic Ammunition Subsonic 260 gr Round Nose Soft Point Boat Tail MatchKing .300 Blackout Ammo, 20/box - 478

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  12. Atomic Ammunition Subsonic 220 gr Hollow Point Boat Tail MatchKing .300 Blackout Ammo, 50/box - 465

    Atomic Ammunition Subsonic 220 gr Hollow Point Boat Tail MatchKing .300 Blackout Ammo, 50/box - 465

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  13. Atomic Ammunition Subsonic 77 gr Hollow Point Boat Tail .223 Rem/5.56 Ammo, 50/box - 429

    Atomic Ammunition Subsonic 77 gr Hollow Point Boat Tail .223 Rem/5.56 Ammo, 50/box - 429

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  14. Atomic Ammunition Tactical Cycling Subsonic 112 gr Soft Point Round Nose .223 Rem/5.56 Ammo, 50/box - 408

    Atomic Ammunition Tactical Cycling Subsonic 112 gr Soft Point Round Nose .223 Rem/5.56 Ammo, 50/box - 408

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  15. Winchester Ammunition Super Suppressed 45 gr Lead Round Nose .22lr Ammo, 100/box - SUP22LR

    Winchester Ammunition Super Suppressed 45 gr Lead Round Nose .22lr Ammo, 100/box - SUP22LR

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  16. Winchester Ammunition Super-X 185 gr Power-Point Subsonic .308 Win Ammo, 20/box - X308SUBX

    Winchester Ammunition Super-X 185 gr Power-Point Subsonic .308 Win Ammo, 20/box - X308SUBX

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  17. Remington 22 Subsonic 38 gr Lead Hollow Point .22lr Ammo, 100/box - SUB22HP1

    Remington 22 Subsonic 38 gr Lead Hollow Point .22lr Ammo, 100/box - SUB22HP1

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  18. Remington Subsonic 147 gr Flat Nose Enclosed Base 9mm Ammo, 50/box - S9MM9

    Remington Subsonic 147 gr Flat Nose Enclosed Base 9mm Ammo, 50/box - S9MM9

    Rating:
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  19. Remington Subsonic 230 gr Flat Nose Enclosed Base .45 ACP Ammo, 50/box - S45AP4

    Remington Subsonic 230 gr Flat Nose Enclosed Base .45 ACP Ammo, 50/box - S45AP4

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  20. Sellier & Bellot Subsonic 9mm 150gr FMJ Ammo, 50rds - SB9SUBB

    Sellier & Bellot Subsonic 9mm 150gr FMJ Ammo, 50rds - SB9SUBB

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  21. Atomic Ammunition 250 gr Bonded Match Hollow Point .45 ACP Subsonic Ammo, 50/box - 00439

    Atomic Ammunition 250 gr Bonded Match Hollow Point .45 ACP Subsonic Ammo, 50/box - 00439

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  22. Norma Ammunition SubSonic 22 40 gr Lead Hollow Point .22lr Ammo, 50/box - 2400065

    Norma Ammunition SubSonic 22 40 gr Lead Hollow Point .22lr Ammo, 50/box - 2400065

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  23. Buffalo Bore Subsonic Heavy Standard Pressure 9mm Parabellum/Luger 147 grain Full Metal Jacket Flat Nose (Subsonic) Pistol and Handgun Ammo, 20/Box - 24J/20

    Buffalo Bore Subsonic Heavy Standard Pressure 9mm Parabellum/Luger 147 grain Full Metal Jacket Flat Nose (Subsonic) Pistol and Handgun Ammo, 20/Box - 24J/20

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  24. Buffalo Bore Subsonic Heavy Standard Pressure 9mm Parabellum/Luger 147 grain Jacketed Hollow Point Pistol and Handgun Ammo, 20/Box - 24I/20

    Buffalo Bore Subsonic Heavy Standard Pressure 9mm Parabellum/Luger 147 grain Jacketed Hollow Point Pistol and Handgun Ammo, 20/Box - 24I/20

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Learn More about Subsonic Ammo

What Is the Purpose of Subsonic Ammo?

Subsonic ammunition is engineered to fly below the speed of sound, which is about 1,125 feet per second (fps) at sea level. By remaining under this threshold, these rounds eliminate the sonic crack created by breaking the sound barrier, significantly reducing noise levels.

Subsonic bullets’ main purpose is to provide quieter shooting experiences, especially when used with suppressors. This makes them ideal for situations where noise must be minimized, such as hunting or tactical operations. Subsonic rounds also reduce the disturbance caused to nearby people or animals, making them a practical option for areas with sound restrictions.

What Are the Disadvantages of Subsonic Rounds?

Although subsonic ammunition offers notable advantages, it is not without trade-offs.

Lower Velocity: Subsonic bullets travel slower, which reduces their range and penetration power compared to supersonic ammunition.

Less Kinetic Energy: The reduced speed means less energy transfer on impact, which can limit their effectiveness for large game or long-range engagements.

Pronounced Bullet Drop: Subsonic rounds often follow a more curved trajectory, requiring shooters to adjust for significant bullet drop at extended distances.

Caliber Constraints: While larger calibers tend to perform well in subsonic configurations, smaller calibers can struggle to maintain stability and effectiveness.

What Are the Top Subsonic Cartridges?

Several cartridges stand out in subsonic configurations, each suited to specific applications:

.300 Blackout: Known for its versatility, this cartridge works seamlessly in AR-15 platforms and is optimized for suppressed shooting.

9mm: A popular and affordable option, subsonic 9mm rounds are widely used in suppressed pistols and pistol-caliber carbines.

.45 ACP: With its inherently subsonic velocity, the .45 ACP is a natural fit for suppressed firearms and close-range applications.

.22 LR: Subsonic .22 ammunition is perfect for small game hunting and quiet target practice due to its low cost and availability.

7.62x39mm: Though less common, subsonic variants of this cartridge are effective in AK-style rifles for tactical scenarios.

Practical Uses for Subsonic Ammo

Subsonic ammunition serves many purposes, often tailored to specific shooting needs.

Hunting: Hunters benefit from quieter shots, reducing the risk of scaring off game. Subsonic rounds work well for small game and pest control.

Tactical Operations: Subsonic ammo paired with suppressors enables stealthy operations for military or law enforcement, allowing for covert engagements.

Home Defense: Subsonic rounds can reduce muzzle blast and noise indoors, making them a practical choice for suppressor-equipped home defense firearms.

Recreational Shooting: Many shooters prefer subsonic ammunition for its reduced recoil and quieter operation during range sessions.

The Benefits of Subsonic Ammo

The unique features of subsonic ammunition provide several benefits that appeal to various types of shooters.

Noise Reduction: Subsonic rounds combined with suppressors create a quieter shooting experience, protecting hearing and minimizing disturbance to others.

Recoil Management: Subsonic ammunition’s slower velocities result in less felt recoil, improving accuracy and comfort, especially for beginners.Stealth Capability: The reduced noise signature enhances discretion for hunters and tactical users, allowing follow-up shots without detection.Comfortable Shooting: Subsonic ammunition makes long shooting sessions more enjoyable due to its lower noise and recoil levels.

What does Subsonic Ammo Cost?

The cost of subsonic ammunition can vary significantly depending on the caliber and manufacturer. While generally more expensive than standard supersonic rounds, the price is often justified by its specialized design and performance.

Affordable Options: Subsonic 9mm and .22 LR rounds are relatively inexpensive, offering quiet performance at a low cost.

Premium Calibers: High-performance subsonic cartridges like .300 Blackout can be more expensive, reflecting their niche applications and production costs.

Reloading subsonic ammunition is a cost-effective alternative for enthusiasts. It provides greater control over ballistics and significant savings for less common calibers.