Home / NFA - Silencer / SilencerCo OCTANE 45 2.0 45ACP SILENCER You cannot add "Gemtech GMT-300 300BLK SILENCER BLACK" to the cart because the product is out of stock. Sale! SilencerCo OCTANE 45 2.0 45ACP SILENCER$61900 $49657 Out of stock SKU: SU4763 Category: NFA - Silencer Product ID: 27173 Description Description Multi Caliber Rated9MM / 40S&W / 45ACP300 Blackout – Subsonic Only Related products Sale! Dead Air Armament MOJAVE9 9MM MOD SLNCR SILVER $1,09900 $97457 Sale! SilencerCo SALVO 12 SG SUPPRESSOR 12.19″ $1,16900 $92740