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LUTH AR A2 REAR SIGHT ASSEMBLY/KIT
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California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Sights/Lasers/Lights
Luth-AR

A2 Rear Sight Kit

$79.95
In Stock CA Compliant

Luth-AR A2 Rear Sight Kit, Fits A2 Upper Receivers For AR-15 Firearms, Black UR-21K

Key Details
UPC 812058031383
Part Number UR-21K
RSR Stock # LUTHUR-21K
Manufacturer Luth-AR
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Purchase Requirements
  • Final availability is confirmed against the distributor during cart and checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

Complete A2 rear sight kit, this kit requires assembly and will mount on an A2 upper receiver.

Features
  • UR-29 A2 Rear Base Lug (x1)
  • UR-27 A2 Rear Sight Aperture (x1)
  • UR-28 Rear Base Flat Spring (x1)
  • UR-26 Rear Base Windage Knob Screw (x1)
  • UR-23 Rear Base Windage Knob (x1)
  • UR-22 Rear Base Windage Pin (x1)
  • UR-24 Rear Base Spring (x3)
  • UR-25 Rear Base Ball Bearing (x3)
  • UR-33 Rear Base Index Elevation (8/3) – (x1)
  • UR-34 Rear Base Elevation Knob (x1)
  • UR-31 Rear Base Elevation Knob Spring (x1)
  • UR-06 Rear Base Spring Pin (x1)
  • UR-32 Rear Base Index Screw (x1)
Specifications
UPC: 812058031383
Manufacturer: Luth-AR
Manufacturer Part #: UR-21K
Model: A2 Rear Sight Kit