Atomic Ammunition Subsonic .223 Remington 77 grain Boat Tail Hollow Point Brass Cased Rifle Ammo 20 Rounds
No ratings yetBest price
$32.99at MidwayUSA
Out of stock checked Nov 10, 2026
In stock now instead
- Fusion 223 Remington 62gr Bonded BT 20/Box $32.99at Ammunition Depot
- Gold Medal Sierra 223 Remington 77gr Matchking BTHP 20/Box $32.99at Sportsman's Warehouse
- Barnes Steward .223 Remington 55 grain Sierra Tipped Varmintkin… $32.99at GunMag Warehouse
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| MidwayUSA Best price | $32.99checked Nov 10, 2026 | Out of stock | Buy at MidwayUSA | |
| OpticsPlanet | $33.99Salechecked Nov 10, 2026 | Out of stock | Buy at OpticsPlanet |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Similar ammunition in stock
This part is out of stock at every store we track. These similar ammunition are in stock, with today's prices.
Fusion 223 Remington 62gr Bonded BT 20/Box
$32.99 at Ammunition Depot · 10 stores
In stock
Gold Medal Sierra 223 Remington 77gr Matchking BTHP 20/Box
$32.99 at Sportsman's Warehouse · 6 stores
In stock
Barnes Steward .223 Remington 55 grain Sierra Tipped Varmintking Brass Cased Rifle Ammo 20 Rounds
$32.99 at GunMag Warehouse · 4 stores
In stock
Maxim Defense Industries TUI SBA 5.56x45 NATO 70 Grain Solid Copper Spun Brass Cased Rifle Ammunition 25 Rounds
$32.99 at OpticsPlanet · 3 stores
In stock Sale
HSM Ammunition Varmint .223 Remington 55 gr SP
$32.67 at Kentucky Gun Co · 6 stores
In stock
Superformance 5.56mm NATO 55gr CX SPF 20/Box
$32.27 at Kentucky Gun Co · 12 stores
In stock
Price history
Dashed line = out of stock. Tracking since Nov 5, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| MidwayUSA | $32.99 | $32.99 | $32.99 |
| OpticsPlanet | $33.99 | $33.99 | $33.99 |
Since Nov 5, 2026.
About this part
The Atomic Ammunition Subsonic .223 Remington 77 grain Boat Tail Hollow Point Brass Cased Rifle Ammo 20 Rounds is a 5.56 / .223 ammunition from Atomic Ammunition. It's sold by 2 stores, from $32.99 to $33.99.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
Specifications
- Manufacturer
- Atomic Ammunition
- Caliber
- .223 Rem
- Bullet weight
- 77 gr
- Casing
- Brass
From the manufacturer
Atomic Ammunition Subsonic .223 Remington 77 grain Boat Tail Hollow Point Brass Cased Rifle Ammo 20 Rounds. 223 Rem 77gr subsonic ammo is built for suppressed AR-15 training and quiet close-range practice. The hollow point boat tail load stays below the sound barrier to cut the crack of standard .223 while preserving practical accuracy for low-noise rifle work. Subsonic .223 is a niche load with a specific purpose: maximum noise reduction on the AR-15 platform. At 1050 fps with a suppressor you get hearing-safe shooting (under 125 dB) without the punishing crack of standard 5.56. The 77gr HP BT maintains good accuracy at close range (inside 100 yards). Note: subsonic .223 will not reliably cycle semi-auto gas systems this is a bolt-action or single-shot load. For shooters with bolt-action .223s or AR-15s with suppressor-optimized uppers its a uniquely quiet training experience. Loaded with new brass cases precision-weighed powder charges and 77gr HP BT projectiles. Hand-inspected to Atomics standards. Specifications for Atomic Ammunition Subsonic .223 Remington 77 grain Boat Tail Hollow Point Brass Cased Rifle Ammunition: Manufacturer: Atomic Ammunition Caliber: .223 Remington Bullet Type: Boat Tail Hollow Point (BTHP) Bullet Weight: 77 grain Cartridge Case Material: Brass Muzzle Velocity: 1050 ft/s Muzzle Energy: 189 ft-lbs Application: Training Package Contents: Atomic Ammunition Subsonic .223 Remington 77 grain Boat Tail Hollow Point Brass Cased Rifle Ammunition What is Atomic Ammunition Subsonic .223 Remington 77 grain Boat Tail Hollow Point Brass Cased Rifle Ammunition good for? The manufacturer thinks that it is best for training.Atomic Ammunition CART-223REM-77GRSUB-20: Subsonic .223 Remington 77 grain Boat Tail Hollow Point Brass Cased Rifle Ammo 20 Rounds
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