HSM 300 Blackout 220gr Subsonic BTHP Ammunition – 20 Rounds (Sierra MatchKing)

Elevate your suppressed shooting experience with HSM 300 Blackout 220gr Subsonic BTHP ammunition, loaded with the legendary Sierra MatchKing Hollow Point Boat Tail (HPBT) projectile. Purpose-built for subsonic performance, this round is an ideal choice for suppressor-equipped rifles where reduced sound signature and reliable cycling are top priorities.

Each round is loaded in reloadable brass cases, delivering consistent quality and long-term value for handloaders. With a muzzle velocity of approximately 1,030 fps and muzzle energy of 518 ft-lbs, this load stays comfortably below the sound barrier while still delivering meaningful terminal performance downrange.

**Key Features:**
– Caliber: 300 AAC Blackout
– Bullet: 220gr Sierra MatchKing HPBT
– Muzzle Velocity: ~1,030 fps
– Muzzle Energy: 518 ft-lbs
– Case Type: Reloadable Brass
– Rounds Per Box: 20
– Boxes Per Case: 25

Whether you’re running a suppressed AR-platform pistol or rifle, HSM’s subsonic 300 Blackout load provides the accuracy and consistency you demand. Order online today at VanTon Arms and take advantage of our competitive pricing and fast nationwide shipping.