300 Blackout 220gr Subsonic · Box of 50 rounds
The EcoBullet Shadow is our newest and most specialized round — a 300 Blackout 220gr subsonic designed specifically for suppressed shooting, tactical training, and quiet applications. At 220 grains, this heavy projectile stays below the speed of sound, eliminating the supersonic crack and delivering the quiet performance that 300 Blackout was built for.
Whether you are running a suppressed SBR, training in environments where noise discipline matters, or simply prefer the smooth recoil impulse of a heavy subsonic round, the Shadow delivers. Paired with lead-free primers and recycled brass, this is the premium subsonic option for shooters who demand both performance and responsibility.
Note: Designed for suppressed platforms and subsonic applications. The 220gr projectile is optimized for barrel twist rates common in 300 Blackout platforms (typically 1:7 or 1:8). For best results, use with a quality suppressor rated for 300 Blackout.
Subsonic shooters often fire in enclosed or indoor environments where lead exposure from standard primers is at its worst. The low velocity of subsonic rounds means less ventilation at the muzzle, concentrating primer residue in the shooter's breathing zone. The Shadow eliminates this concern entirely with lead-free primer chemistry.
Every Shadow round uses 100% recycled brass and is manufactured in CO2-neutral operations. You get a premium, specialized round that is as responsible as it is effective — without paying the environmental cost that comes with conventional subsonic ammunition.
Lead-free training round · Box of 50
9mm
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