Gemtech Piston GM9/MM9/Tundra 13.5X1LH 12171

Gemtech Piston GM9/MM9/Tundra 13.5X1LH 12171 12171
Model GM9/MM9/Tundra Thread Mount
For Tundra Or Multimount Lid
Fits Sig Sauer MPX

Enter your ZIP code for an exact shipping cost on this item. Hazardous-materials fees, where they apply, are included in the total shown.

Read our full shipping policy

Firearms must ship to a licensed dealer (FFL), who completes the transfer and the required background check when you collect the item.

How FFL transfers work · Terms of sale · Product and legal restrictions