Gemtech GM-9 / Multimount 9 / Tundra LID Piston – 1/2x28
Not Yet Rated | Write the First Review SKU: 222-GEM-12169
UPC: 609729000000
MFG#: 12169

Gemtech GM-9 / Multimount 9 / Tundra LID Piston – 1/2x28

The Gemtech 1/2x28 piston is built for the GM-9, Multimount 9, and Tundra LID suppressors, giving you reliable compatibility with the most common 9mm barrel thread in the U.S. Whether you’re running a Glock, SIG, or other 9mm pistol threaded 1/2x28, this piston ensures your Gemtech suppressor attaches securely and runs flawlessly.

Precision-machined for strength and durability, this replacement piston provides proper alignment while reducing wear on your suppressor and host firearm. If you need a dependable way to keep your setup running or want a backup for different hosts, the Gemtech 1/2x28 piston is the essential part to have on hand.

Why Choose the Gemtech 1/2x28 Piston?

• Universal Fit – Works with GM-9, Multimount 9, and Tundra LID suppressors.

• Standard Thread – 1/2x28 is the most common 9mm pistol thread in the U.S.

• Reliable Performance – Ensures proper suppressor alignment and safe function.

• Durable Construction – Precision-machined to withstand thousands of rounds.

• Easy Swap – Quick installation for changing between hosts or replacing worn pistons.

Specifications

• Model: Piston for GM-9, Multimount 9, Tundra LID

• Thread Pitch: 1/2x28 RH

• Caliber: 9mm

• Material: Precision-machined steel

• Finish: Black, wear-resistant coating

Perfect for 9mm Suppressor Hosts

If you’re running an AR-style PCC, a Glock 17, or any other pistol with a 1/2x28 threaded barrel, this piston is the link that makes your Gemtech suppressor compatible. It’s one of the most requested thread pitches for 9mm in the U.S., which makes it a must-have for anyone who owns a GM-9, Multimount, or Tundra.

FAQ

What suppressors is this piston compatible with?
It’s designed for the Gemtech GM-9, Multimount 9, and Tundra LID suppressors.

What firearms use 1/2x28 threads?
Most American 9mm pistols and pistol-caliber carbines, including many Glock, SIG, and AR-style platforms.

Do I need tools to install this piston?
No. It can be swapped in and out by hand for quick changes.

Is 1/2x28 the standard for 9mm pistols?
Yes, in the U.S. it’s the most common thread pitch for 9mm suppressor-ready barrels.

Why would I need more than one piston?
Having extra pistons makes it easy to switch between hosts or replace a worn part without downtime.