Product Description

Sellier & Bellot .300 Blackout 200gr FMJ Subsonic Ammo — 100 Rounds

Overview
Sellier & Bellot .300 AAC Blackout 200gr FMJ Subsonic ammunition is built for precision, reliability, and consistency. Designed with a Full Metal Jacket (FMJ) bullet and a standard lead core with copper alloy jacket, this subsonic load is optimized for training, target shooting, and suppressed firearm use. Packaged in an economical 100-round box, this ammo delivers excellent performance while keeping your range sessions cost-effective.

Key Features

• Caliber: .300 AAC Blackout (300 BLK)

• Bullet Type: Full Metal Jacket (FMJ), Subsonic

• Bullet Weight: 200 grains (13.0 g)

• Muzzle Velocity: ~323 m/s (1,060 fps)

• Muzzle Energy: 678 J

• Ballistic Coefficient (G1): 0.558

• Case Material: Brass

• Packaging: 100-round box (8 boxes per case)

• Manufacturer #: V345112

Performance Data (from 410mm / 16″ test barrel):

• Velocity: 323 m/s (Muzzle), 308 m/s (100m), 296 m/s (200m)

• Energy: 678 J (Muzzle), 616 J (100m), 568 J (200m)

• Point of Impact (relative): +9.9 cm (50m), 0.0 cm (100m), -98.5 cm (200m)

Why Choose Sellier & Bellot 300 BLK 200gr Subsonic?

• Optimized for suppressed rifles — subsonic speeds reduce noise signature.

• Reliable feeding & function in both semi-auto and bolt-action platforms.

• Ideal for training & target shooting — consistent ballistics, cost-effective bulk packaging.

• Backed by Sellier & Bellot’s reputation as one of the world’s oldest and most trusted ammo manufacturers.

Specifications

• Cartridge Weight: 19.9 g

• Cartridge Length: 56.0 mm

• Box Weight: 1.99 kg

• Case Weight: 16.2 kg (800 rounds)

Packaging Options

• Box: 100 rounds