• Covert Knockdown Power

  • Subsonic Ammunition

  • 220gr HPBT

  • 1023 ft/s

Be the first to review this product

300 BLK Subsonic 220gr BTHP (Box of 20)

300 BLK Subsonic 220gr BTHP (Box of 20)

More Views

  • 300 BLK Subsonic 220gr BTHP (Box of 20)
  • 300 BLK Subsonic 220gr BTHP (Box of 20)
  • 300 BLK Subsonic 220gr BTHP (Box of 20)
  • 300 BLK Subsonic 220gr BTHP (Box of 20)
  • 300 BLK Subsonic 220gr BTHP (Box of 20)


.300 BLK is a cutting edge design.  Powerful .308 terminal ballistics provide serious stopping power in a compact package. This subsonic 220gr HPBT round is ideal for CQB and covert operations requiring supressors.

Featuring a 220gr HPBT, PNW Arms 300 Blackout brass, CCI primer, and clean burning powder.

Write Your Own Review

You're reviewing: 300 BLK Subsonic 220gr BTHP (Box of 20)

How do you rate this product? *

  1 star 2 stars 3 stars 4 stars 5 stars
Product Rating

Product Specifications:


Caliber: 300 Blackout
Type: Subsonic
Muzzle Velocity: 1,023 ft/s
Projectile Energy: 649 ft-lb
Max Chamber Pressure / SAAMI: 18,680 / 55,000 psi
Test Barrel Length: 16"
Sound Level / Suppressed: 155 / 127 dB
Test Suppressor: AAC 762SD
Projectile Diameter: .308"
Projectile Weight: 220gr
Projectile Type: Hollow Point Boat Tail (HPBT)
Projectile Length: 1.490"
Ballistic Coefficient: .620
Sectional Density: .331
Casing: PNW Arms 300 Blackout stamped Brass
Primer: CCI


You must be 18 or older to order shotgun or rifle ammunition and 21 years or older to order pistol ammunition. Ammunition must ship FedEx or UPS ground.  We can not ship ammunition to Alaska or Hawaii.  Due to Department of Transportation regulations, we cannot accept returns on ammunition. Please check local laws before ordering.

Firearms may only be shipped to licensed dealer (FFL holder).  Actual buyer must pick up from FFL dealer who will conduct the background check.

Firearms Shipping Restrictions:

Firearms, except for uppers, may only be shipped to licensed dealers (FFL holders).  Buyer is responsible for choosing a FFL dealer to ship to.  Actual buyer much pick up from FFL dealers who will conduct background check.  For firearms purchases, it is very important that you contact the FFL holder to verify the complete cost of the transfer, to verify the legality of the item in your area, and to make sure you qualify to pass any required background checks.

Ammunition Shipping Restrictions:

We are only able to ship ammunition to continental 48 US states through UPS or FedEx Ground.  Ground shipments of ORM-D materials destined to or from Alaska, Hawaii, Puerto Rico, and Catalina Island are no longer accepted effective January 1, 2011.  In addition, the following ammunition shipping destinations are prohibited or restricted by local regulations.  Please check your local laws before ordering.


We do not ship to PO Boxes or AFO/PFO Boxes.


State Restrictions

No shipping to:

  • Beverly Hills
  • Los Angeles
  • Marin County
  • Oakland
  • Orange County
  • Sacramento
  • San Francisco
Connecticut No shipping to CT.

No shipping to:

  • Chicago
  • Cook County


Current FOID required for other IL shipping destinations.  We must have a copy of your FOID on file before shipping.

Massachusetts No shipping to MA.
New Jersey Current NJ Firearms ID required for shipping pistol ammunition.  We must have a copy of your NJ Firearms ID on file before shipping.
New York

No shipping to:

  • Bronx
  • Brooklyn
  • Manhattan
  • New York City
  • Queens
  • Staten Island
District of Columbia No shipping to D.C.