Click to see full view
Plan your Class 3 dealer
Suppressors go through a Class 3 (SOT) dealer. The federal tax is $0, and ATF stopped enforcing the Form 4 wait on October 9, 2026, but some states still require federal registration. You still pay the dealer's transfer fee.
Sig Sauer
Overview
The Sig Sauer Pistol Suppressor Piston is designed specifically for .45 ACP firearms, providing a reliable interface between your suppressor and the host gun. With its precise M16x1 right-hand threading, this piston ensures a secure fit that enhances performance and minimizes gas blowback, allowing for a smoother shooting experience. This component is commonly found in builds focused on reduced noise and recoil, making it ideal for tactical or competitive shooting applications.
Specifications
Pistol Suppressor Pistons - Suppressor Piston 45 Auto M16x1RH
Price and stock
The SIG Sauer Pistol Suppressor Pistons - Suppressor Piston 45 Auto M16x1RH was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $48 at Brownells for when it comes back.
Prices checked · refreshed daily across 37 retailers
Not sure which suppressor to pick?
We ranked every suppressor by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Suppressor Guide →Check it against the live catalog:
Frequently Built With
Popular alongside suppressors on GunPartPicker
Aero Precision M4E1 Complete Lower Receiver W/MOE SL Grip & SL-S Carbine Stock
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Daniel Defense Collapsible Mil-Spec Buttstock, Brown - 21-091-04179-011
EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN
Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 Barreled Upper - MCMR-15 - 16"
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
No reviews yet. Be the first to review this product!