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SilencerCo Piston
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

SilencerCo

Piston

$89.00
$75.65
Sale Price
Available California compliant

SilencerCo Piston, .578X28, Fits Multiple Suppressors, Black Finish AC24

Key Details
Brand SilencerCo
Manufacturer Part Number AC24
UPC 817272010145
SKU SCOAC24
Current Stock 95 available
Quantity Updated Jun 11, 2026 2:58 PM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

SilencerCo 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 SilencerCo threaded barrels.

Features
  • 17-4 Stainless Steel
  • Heat Treated
  • Fits Omega K Series, Hybrid 46, Osprey Series, Octane Series
  • Fits Hybrid 46M and Omega 46M with Charlie Piston Mount
Specifications
UPC: 817272010145
Manufacturer: SilencerCo
Manufacturer Part #: AC24
Model: Piston
Type: Piston