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MSR Retainer pin for rear sight block - AK-257

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$2.19

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SKU: 35123 Category:
Description

Ensure reliable rear sight stability on your AK-pattern rifle with the MSR Retainer Pin for Rear Sight Block. This precision-engineered component is essential for builders and maintainers seeking secure, long-lasting sight retention on stamped receiver AK firearms.

Key Features

  • Exact OEM fit for Arsenal and compatible AK rear sight blocks
  • Precision-machined construction for consistent diameter and length
  • Designed specifically for 4mm rear sight retainer applications
  • Compact size minimizes added weight while maximizing hold strength
  • Compatible with standard stamped receiver AK rifles

Specifications

  • SKU: 35123
  • Length: 0.75 inches
  • Diameter: 0.1 inches
  • Weight: 0.01 lbs
  • Material: High-strength steel (standard for Arsenal AK parts)
  • Type: Retainer pin for rear sight block

Why Choose This Product

Loose or missing rear sight pins can lead to shifting zero and unreliable performance under recoil. This retainer pin solves that problem by providing a secure, factory-spec fit that maintains sight alignment shot after shot. Ideal for custom builds, parts kit assemblies, or routine maintenance on AK rifles, it delivers the peace of mind that comes from using genuine component-grade hardware.

Benefits for Firearm Owners and Builders

  • Prevents rear sight block movement during firing and transport
  • Supports consistent accuracy and sight picture retention
  • Simple drop-in replacement or installation during builds
  • Contributes to overall rifle reliability in tactical or sporting use

Upgrade your AK build with this essential retainer pin and maintain professional-grade performance.

Additional information
Weight 0.01 oz
Dimensions 0.75 × 0.1 × 0.1 in
MPN AK-257
P65 Warning Message
P65 Warning Message

Compliance

NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.