Rifle PartsBrownellsSold by Brownells

Brownells

Rifle 3/8'''' X .050'''' Aperture - Rifle 3/8'''' X .050'''' Aperture Peep Black

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

Individual Williams

Aperture for hunting and target

Helps You

Choose the correct sight opening

Works As

Replacement for a missing or

Standard Length

Shank fits Williams Foolproof, Target

Black Aperture

Finish

$9.95
View on Brownells

You'll be taken to Brownells to complete your purchase.

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

SKU: 080766381

Overview

This replacement aperture is intended for shooters who want to keep a Williams sight set up ready for changing light and range conditions. It gives you a way to replace a missing or damaged disc without changing the rest of the sight system. The standard-length shank is made to fit Williams Foolproof, Target Foolproof, and 5D models only, so it is a practical option for maintaining compatible hunting or target rigs. For shooters who rely on a consistent peep sight setup, it offers a straightforward spare part to keep on hand.

Why Hunters Choose the Brownells

Lets You

Choose the correct sight aperture

Replacement Disc

For missing or damaged apertures

Compatible Williams

Williams Foolproof, Target Foolproof, and

Standard-length Shank

Fits the specified Williams sight

Simple, Dedicated

Accessory for hunting and target

Key Features

  • Individual Williams aperture for hunting and target shooting setups.
  • Helps you choose the correct sight opening for shooting conditions.
  • Works as a replacement for a missing or damaged disc.
  • Standard length shank fits Williams Foolproof, Target Foolproof, and 5D only.
  • Black aperture finish.

Best Used For

  • Hunters replacing a missing or damaged Williams aperture disc on compatible sights
  • Target shooters who want to match aperture size to changing shooting conditions
  • Owners of Williams Foolproof, Target Foolproof, or 5D sights needing a standard-length shank fit
  • Shooters keeping a spare aperture on hand for quick field or range replacement

Specifications

Aperture Size3/8'''' x .050''''
ColorBlack
CompatibilityWilliams Foolproof, Target Foolproof, and 5D only
Replacement PartYes
Shank LengthStandard length
UseHunting and target shooting

Pros

  • Lets you choose the correct sight aperture for different shooting conditions.
  • Provides a replacement disc for missing or damaged apertures.
  • Compatible with Williams Foolproof, Target Foolproof, and 5D sights.
  • Standard-length shank fits the specified Williams sight models.
  • Simple, dedicated accessory for hunting and target shooting setups.

Considerations & Trade-offs

  • Fits only Williams Foolproof, Target Foolproof, and 5D sights, so compatibility should be confirmed before ordering.
  • This is a replacement aperture disc, not a complete sight assembly, so it is intended for specific repairs or setup changes.
  • The .050" aperture size is purpose-specific, so it may not suit every lighting or shooting condition.
  • Designed for individual aperture selection, which means users may need to keep multiple discs on hand to match different environments.

Suggested Comparisons

  • Aperture sight replacement discs
  • Peep sights for rifles
  • Rear sight accessories
  • Target shooting sight components

Suggested Accessories

  • Aperture sight replacement discs
  • Rear sight adjustment tools
  • Sight installation tools
  • Protective sight covers

Frequently Asked Questions

What is this product used for?

This is an individual Williams aperture for hunting and target shooting. It lets you choose the correct sight aperture for your shooting conditions and can serve as a replacement for a missing or damaged disc.

Which sights is this aperture compatible with?

The standard length shank fits Williams Foolproof, Target Foolproof, and 5D sights only.

Is this a complete rear sight or just one part?

It is just the aperture disc, not a complete sight assembly.

Can this be used as a replacement if my original disc is lost or damaged?

Yes. The description states it provides the correct replacement for a missing or damaged disc.

What information is available about the material or dimensions beyond the title?

The provided data identifies it as a Rifle 3/8" x .050" aperture in black, but no additional material, size, or performance details are given.