In StockSave 11%
Silencerco 17-4 Stainless Steel Piston for Multi-Caliber Handguns, M13.5x1 LH XL - AC626
Sold byPalmetto State Armory•Posted May 18, 2026
$75.99
$84.99
You save $9.00 (11% off)
Price and stock data refresh continuously from Palmetto State Armory.
Deal Summary
- Currently in stock.
- Caliber: 223/5.56
- Category: parts
- SKU: 789954
- Brand: Silencerco
Price History
Deal Details
Our pistons were designed to be easily changed for different host firearms or calibers. Pistons are built with 17-4 stainless steel, then heat-treated for maximum durability. The piston is part of the Nielson device that moves and allows semi-automatic cycling for unlocking pistol barrels. Throw a Fixed Barrel Spacer on for fixed barrel applications. SilencerCo pistons have female threading that attaches to our SilencerCo threaded barrels. XL pistons are for firearms where the silencer requires