The Octane 45 is a true workhorse, excellent for handgun, pistol caliber carbines or lever actions, and submachine gun suppression. Full-auto rated for 9mm to .45 ACP, while also being capable of suppressing 10 mm and 300 BLK subsonic loads. The Octane line is also user serviceable making it compatible with lead projectiles. The Octane series offers superior performance at an affordable price. One of the absolute best .45ACP suppressors available.