Barnes Suppressor Series rifle ammunition is a subsonic load designed for use with suppressor-ready firearms. It combines a 205-grain Sierra GameKing projectile with clean-burning propellant and a 20-round box configuration.

This load is intended for match and target applications and is listed with a muzzle velocity of 1,060 feet per second. It is not designed to cycle semi-automatic or fully automatic rifle platforms; the action will require manual operation after each shot.

Key Specifications

• The product line is Suppressor Series for subsonic rifle ammunition.
• The listed cartridge designation is .308 / 7.62 NATO.
• The projectile weight is 205 grains.
• The projectile is a Sierra GameKing.
• The muzzle velocity is 1,060 feet per second.
• The listed muzzle energy is 512 foot-pounds.
• The ballistic coefficient is 0.480 G1.
• The bullet construction is a jacketed lead core.
• Each box contains 20 rounds.
• The cartridge case material is brass.

With its subsonic load profile, heavy Sierra GameKing projectile, and suppressor-focused design, this Barnes offering provides a practical option for shooters who value deliberate, controlled performance in compatible firearms.