Griffin Armament CAM-LOK QD Piston for AAC Ti-Rant Suppressors - Stainless Steel

The Griffin Armament CAM-LOK QD piston is a quick-detach mounting system designed to replace the fixed direct-thread pistons found in suppressor setups, particularly for AAC Ti-Rant suppressors and other platforms compatible with CAM-LOK barrel adapters. Built from 17-4 stainless steel and H900 heat-treated for durability, this piston solves a persistent problem with traditional single-piece pistons: loosening during firing. Unlike hand-tightened direct-thread pistons that vibrate loose under slide cycling and require constant re-tightening to prevent baffle strikes and end-cap damage, the CAM-LOK piston uses a mechanical taper-lock interface that stays secure despite the piston still actuating fore and aft during firing. The result is a suppressor mounting system that actually stays put without the frustration of range malfunctions or warranty headaches.

The CAM-LOK piston accepts a standard 3/4-inch socket wrench for installation, eliminating hand-tightening altogether and introducing prevailing torque that keeps the system locked even as the suppressor cycles. Three mounting positions separated by 120 degrees mean you can attach your suppressor quickly without fiddling with alignment—there's no wrong way to seat it. Griffin's manufacturing tolerances for squareness and concentricity are held tight enough that point-of-impact shift is minimal and consistent across all three mounting positions, a detail that matters for precision shooting.

Flexibility is built in: a single CAM-LOK piston works with any 3-Lug CAM-LOK barrel adapter, so you're not locked into one host firearm or forced to swap pistons when moving your suppressor between guns. If you own multiple suppressors that support CAM-LOK pistons, the barrel adapters themselves are interchangeable, multiplying your mounting options. The system weighs the same as legacy direct-thread pistons, so there's no penalty in balance or handling.

This is the piston component only (the bronze-colored part that installs inside the suppressor). A compatible CAM-LOK barrel adapter—sold separately—is required to complete the mounting system on your host firearm.

Key Features

• Patented CAM-LOK quick-detach piston system—no hand-tightening required
• 3/4-inch socket-wrench installation with prevailing torque keeps suppressor secure during firing
• Three 120-degree mounting positions for fast, foolproof attachment
• Taper-lock interface eliminates baffle and end-cap strikes caused by piston loosening
• 17-4 stainless steel, H900 heat-treated for wear resistance and durability
• Universal compatibility with 3-Lug CAM-LOK barrel adapters
• Tight manufacturing tolerances minimize point-of-impact shift across mounting positions
• Same weight as traditional direct-thread pistons

Specifications

Frequently Asked Questions

Is this piston compatible with my AAC Ti-Rant suppressor?

This Griffin Armament CAM-LOK piston is designed to work with AAC Ti-Rant suppressors and other platforms that accept CAM-LOK pistons. You will need a compatible 3-Lug CAM-LOK barrel adapter (sold separately) installed on your host firearm to complete the system.

What's the difference between this quick-detach piston and a traditional direct-thread piston?

Direct-thread pistons are hand-tightened and loosen during firing due to vibration from slide cycling, requiring frequent re-tightening and often leading to baffle strikes. The CAM-LOK piston uses a wrench-torqued taper-lock interface that stays secure even as the piston moves during operation, eliminating loosening and the malfunctions that come with it.

Will the CAM-LOK piston work with multiple host firearms?

Yes. The piston itself is universal and will work with any firearm equipped with a compatible 3-Lug CAM-LOK barrel adapter. This means you can move your suppressor between different adapted host firearms without changing the piston.

Is a barrel adapter included, or do I need to buy one separately?

This product is the piston component only. A compatible 3-Lug CAM-LOK barrel adapter must be purchased separately and installed on your host firearm to use this piston.