AKA M870 Metal Rail Nerf Sight

AKA/ZS/JQ M870 Nerf Scope Introduction：

Metal rail with adjustable rear sight and screw-fixed front sight. Compatible with AKA, ZS & LDT M870. Durable, stable, easy install.

Features

Front Sight Installation

This front sight is secured with screws and is compatible with AKA, ZS, and LDT M870.
It comes with three screw sizes included: M3, M3.5, and M4.

• Compatibility Guide
  • AKA R1 / R2 M870 outer barrels feature either M3.5 or M4 holes:
    • For 3.5 mm holes → use the included M3.5 screw directly.
    • For 4 mm holes (no threading) → you have two options:
      • Use an M4 tap tool to create threads, or
      • Carefully drive an M4 screw directly to form threads (avoid damaging the screw).
  • ZS and LDT M870 outer barrels do not have pre-drilled holes and will require drilling.
• Installation Instructions

1. 1. Positioning
      Apply glue to temporarily fix the front sight in place.
      Adjust the angle and ensure it is perfectly centered.
      Mark the drilling points.
   2. Drilling
      Use an electric drill to create the mounting holes according to your marked positions.

• The front sight supports insertion of(Not included with the product):
  • 2 mm diameter fiber optic rod, or
  • Tritium tube (10–12 mm length)

Rear Sight Installation

• Mounting Hole Dimensions
  • Hole spacing: 60 mm
  • Front hole width: 8.2 mm
  • Rear hole spacing: 25 mm
    (Compatible with AKA / ZS / LDT M870)
• Windage Adjustment (Left / Right)
  • Adjust using the side screws:
    • Loosen left screw → rear sight shifts left
    • Loosen right screw → rear sight shifts right
  • Adjustment range: ±1.5 mm
• Elevation Adjustment (Up / Down)
  • Use a flathead screwdriver to adjust the top screw:
    • Turn counterclockwise (loosen) → sight moves up
    • Turn clockwise (tighten) → sight moves down
  • Note: Do not fully remove the screw during adjustment
  • Elevation range:
    
    • Highest position: up to +3 mm lift
• Included Tool
  • Comes with a hex wrench for installation and adjustments