DonnyFL 1.22 × 7 Inches Tatsu Silencer
Introducing the DonnyFL KOI 1.22 x 7-inch Tatsu Silencer — your ticket to whisper-quiet precision on the range or in the field. Crafted by Donny Du, co-owner of Saber Tactical and veteran shooting enthusiast, every KOI moderator embodies his passion for silence, reliability, and top-tier craftsmanship. DonnyFL’s rugged front cap and signature body grooves give the KOI a distinctive look while ensuring a secure grip and easy handling, whether you’re in a rapid-fire match or a stealthy hunt at dawn.
Don’t be fooled by its slim 1.22-inch outer diameter: this compact powerhouse rivals larger moderators in noise reduction. Strategically placed vent holes around the front cap disperse sound evenly, delivering the same deep, muted report you expect from DonnyFL’s larger models. Its mono-core design boasts fewer internal surfaces, speeding air diffusion and trapping muzzle blast instantly.
Every KOI silencer is precision-CNC machined by seasoned professionals for rock-solid tolerance. It’s sandblasted to a matte finish, then hard-anodized to shrug off scratches, dings, and harsh weather. Inside, pre-wrapped felt baffles cushion each shot, prolonging lifespan and keeping performance consistent shot after shot. Externally, machined grooves improve your purchase when attaching or removing the moderator, even with cold fingers or gloves.
Versatility is built into the KOI’s DNA. Swap rear end caps in seconds: choose 1/2×20 Bolt for mainstream rifles, FX’s M20×1 for European models, or the 1/2×20 Cone cap for rifles that demand a conical fit. Each cap threads on smoothly, seals tight, and stays put under recoil—no thread lockers or washers needed. And at just under five ounces, the KOI adds minimal front-end weight, preserving your rifle’s balance and swing.
Whether you’re dialing in for a 10-meter air rifle competition, stalking quarry at first light, or simply enjoying backyard plinking, the DonnyFL KOI delivers stealth, durability, and effortless adaptability. Elevate every shot with the silencer that outperforms its size—and experience the next level of whisper-quiet accuracy.
Key Features and Specifications
- 5.5 mm Caliber: Broad compatibility with standard airgun barrels
- Mono-Core Design: Rapid air diffusion for superior noise suppression
- Precision CNC Machining: Tight tolerances ensure consistent performance
- Sandblasted & Hard-Anodized: Wear-resistant finish shields against corrosion
- Swappable Rear End Caps: 1/2×20 Bolt, FX (M20×1), or 1/2×20 Cone for total flexibility
- Pre-Wrapped Felt Baffles: Shock-absorbing layers extend service life
- External Grooves: Enhanced grip for quick installation and removal
- Weights: 4.6–5.0 oz depending on end cap—light enough to preserve rifle balance
Please check out other Donny Silencers products.




