Shooting SuppliesSilencercoSold by Fin Feather Fur Outfitters

Silencerco

SilencerCo AC22 Osprey/Octane Fixed Barrel Spacer 17-4 Stainless Steel

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Disables Movement

In the Nielsen device for

Use Silencerco

Osprey and Octane suppressors

Made From

17-4 stainless steel

Heat Treated

For added durability

$50.15
View on Fin Feather Fur Outfitters

You'll be taken to Fin Feather Fur Outfitters to complete your purchase.

Hunter's Outpost earns a commission from affiliate links at no extra cost to you.

SKU: AC22-817272010121

Overview

Designed for fixed-barrel firearm use, this spacer is intended to disable movement in the Nielsen device so an Osprey can be configured appropriately for that setup. It is made from 17-4 stainless steel and heat treated for added durability. For hunters and shooters setting up compatible equipment, it provides a straightforward way to adapt the suppressor system to a fixed-barrel application.

Why Hunters Choose the Silencerco

Disables Nielsen

Device movement for use on

Made From

17-4 stainless steel for a

Heat Treated

For added durability

Silencerco Osprey

Octane compatibility

Simple Accessory

A clear fixed-barrel application

Key Features

  • Disables movement in the Nielsen device for fixed-barrel use
  • Designed for use with SilencerCo Osprey and Octane suppressors
  • Made from 17-4 stainless steel
  • Heat treated for added durability

Best Used For

  • Owners of fixed-barrel firearms needing to use an Osprey suppressor setup
  • Shooters replacing Nielsen device movement for compatible fixed-barrel applications
  • Users wanting a dedicated spacer for Osprey or Octane configurations
  • Hunters and range shooters seeking a simple fixed-barrel suppressor accessory

Specifications

CompatibilityOsprey
DeviceNielsen device
Disables Movement In Nielsen DeviceYes
Fixed Barrel UseYes
Heat TreatedYes
Material17-4 stainless steel
Product TypeFixed Barrel Spacer

Pros

  • Disables Nielsen device movement for use on fixed-barrel firearms
  • Made from 17-4 stainless steel for a durable construction
  • Heat treated for added durability
  • Designed for SilencerCo Osprey and Octane compatibility
  • Simple accessory purpose with a clear fixed-barrel application

Considerations & Trade-offs

  • This spacer is purpose-built for fixed-barrel use, so it is not intended for setups that rely on the Nielsen device’s movement.
  • Compatibility is limited to the Osprey/Octane platform and fixed-barrel applications, so it is not a universal suppressor accessory.
  • It is a functional component rather than a complete system, so buyers need to confirm the rest of the setup is already appropriate for their firearm.
  • The product description does not provide fitment details beyond fixed-barrel use, so exact compatibility should be verified before purchase.

Suggested Comparisons

  • Suppressor mounting accessories
  • Fixed-barrel adapter spacers
  • Suppressor booster parts
  • SilencerCo Osprey/Octane accessories

Suggested Accessories

  • Suppressor cleaning kit
  • Thread protector
  • Mounting accessory
  • Storage case

Frequently Asked Questions

What is the SilencerCo AC22 Osprey/Octane Fixed Barrel Spacer used for?

It disables the movement in the Nielsen device so the Osprey can be used with guns that have fixed barrels.

Which suppressors is this spacer intended for?

It is identified as the SilencerCo AC22 Osprey/Octane Fixed Barrel Spacer, so it is intended for Osprey and Octane use as named in the product title.

What material is the spacer made from?

The product data states that it is made from 17-4 stainless steel.

Is the spacer heat treated?

Yes. The description says it is heat treated for maximum durability.

Does this spacer change the suppressor itself?

The provided data only says it disables movement in the Nielsen device for use on fixed-barrel guns. It does not provide additional details about other changes or compatibility beyond that.