Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
$53.51
Underwood Subsonic Rifle Ammunition 8.6 Blackout 300gr HPBT 950 fps 20/ct
This premium subsonic rifle ammunition is designed for target shooting and hunting applications, utilizing a custom competition bullet construction with a hollow point boat tail design. The ammunition features a nickel-plated brass case and boasts a muzzle velocity of 950 fps, delivering exceptional accuracy and range at close to supersonic velocities. Suitable for hunting medium to long-range targets in the 300-grain weight category.
415 in stock
Features
- Bullet Construction: Hollow Point Boat Tail
- Bullet Material: Copper Lead
- Bullet Model: Custom Competition
- Bullet Weight(gr): 300
- Cartridge: 8.6 Blackout
- Case Type: Nickel Plated Brass
- Gun Type: Rifle
- Hunting: Target
- Lead Free: No
- Muzzle Energy (ft. lbs): 601.6
- Muzzle Velocity (fps): 950
- Test Barrel Length: 12"
- Supressor Safe: Yes
- Velocity Rating: Subsonic
Frequently asked questions
What cartridge and bullet does this ammunition use?
It is 8.6 Blackout rifle ammunition loaded with a 300-grain Custom Competition hollow point boat tail bullet made from copper and lead.
What are the listed muzzle velocity and muzzle energy?
The listed muzzle velocity is 950 fps, and the muzzle energy is 601.6 ft-lbs, tested from a 12-inch barrel.
Is this ammunition subsonic and suppressor safe?
Yes. It has a subsonic velocity rating and is listed as suppressor safe.
How many rounds are included, and are there shipping restrictions?
Each package contains 20 rounds. Ammunition is not shipped to some states, and local restrictions apply.
| Weight | 1.460 lbs |
|---|---|
| Dimensions | 6.000 × 3.250 × 1.500 in |
| Manufacturer | Underwood Ammo |
| Caliber | 8.6 Blackout |
| Bullet Weight | 300gr |
| Bullet Type | Hollow Point Boat Tail |
| Velocity | 950 fps |
| Rounds Per Box | 20 |
| Muzzle Energy | 601.6 ft. lbs |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.
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