The SilencerCo Osprey/Octane Piston for .45 ACP with an M16x1 right-hand thread (brand part number AC29) is machined from 17-4 stainless steel and built specifically for .45 Auto-caliber handguns running a SilencerCo Osprey or Octane suppressor. It threads M16x1 right-hand to match the host barrel, giving the suppressor the correct booster action to cycle reliably on a .45-caliber pistol. It’s a genuine, purpose-matched replacement or spare piston for any Osprey or Octane owner shooting .45 ACP.

Key Specifications

• Built for .45 ACP-caliber handguns.
• Threaded M16x1, right-hand.
• Machined from 17-4 stainless steel.
• Compatible with the Osprey suppressor.
• Compatible with the Octane suppressor.

Frequently Asked Questions

What suppressors does this piston fit? The SilencerCo Osprey and Octane.

What caliber is it built for? .45 ACP.

What thread pattern does it use? M16x1, right-hand.

Buy the SilencerCo Osprey/Octane Piston, .45 ACP, M16x1 RH

Keep your Osprey or Octane cycling correctly on a .45 ACP host. Order it from our SilencerCo lineup, part of our full Class 3 parts and accessories selection, at our Lubbock, Texas gun shop for fast, direct shipping.