HSM Ammunition .300aac Blackout 155 Grain Jacketed Hollow Point A-max Centerfire Rifle Ammo 20 Rounds. 300aac Blackout 155 Grain Jacketed Hollow Point A-max Centerfire Rifle Ammunition online at OpticsPlanet. This HSM Ammunition Ammunition features Jacketed Hollow Point (JHP) bullets that deliver powerful stopping power pinpoint accuracy and reliability. With special offers on Ammunition and other high-quality rifle ammo from trusted brands like HSM Ammunition you re sure to find the best round for your next outdoor adventure or training session. Stock up today to save big on ammunition and other top-tier tactical hunting and outdoor gear at OpticsPlanet. Specifications for HSM Ammunition .300aac Blackout 155 Grain Jacketed Hollow Point A-max Centerfire Rifle Ammunition: Manufacturer: HSM Ammunition Caliber: .300 AAC Blackout Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 155 grain Application: Target Package Type: Box Dimensions: 1.40 X 3.10 X 6.15 in Package Contents: HSM Ammunition .300aac Blackout 155 Grain Jacketed Hollow Point A-max Centerfire Rifle Ammunition What is HSM Ammunition .300aac Blackout 155 Grain Jacketed Hollow Point A-max Centerfire Rifle Ammunition good for? The manufacturer thinks that it is suitable for target.HSM Ammunition 300BLK-13-N: .300aac Blackout 155 Grain Jacketed Hollow Point A-max Centerfire Rifle Ammo 20 Rounds