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SilencerCo
Piston
$89.00
$75.65
Sale Price
Available
SilencerCo Piston, 9/16X24, Fits Osprey/Octane AC31
Key Details
Brand
SilencerCo
Manufacturer Part Number
AC31
UPC
817272010213
SKU
SCOAC31
Current Stock
105 available
Quantity Updated
Apr 26, 2026 2:30 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 are designed for easy replacement to fit different host firearms or calibers. They are made from 17-4 stainless steel and heat-treated for maximum durability. The piston is part of the Nielson device, which moves to enable semi-automatic cycling and unlock pistol barrels. Use a Fixed Barrel Spacer for fixed barrel setups. SilencerCo pistons feature female threading that connects to SilencerCo threaded barrels.
Features
- Compatible with Omega K Series, Hybrid 46, Osprey Series, Octane Series
- Compatible with Hybrid 46M and Omega 36M with Charlie Piston Mount
- 17-4 Stainless Steel Construction
- Heat Treated
Specifications
UPC:
817272010213
Manufacturer:
SilencerCo
Manufacturer Part #:
AC31
Model:
Piston
Type:
Piston
