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Shop by Manufacturer -> Diamondhead USA -> Sights -> Carbine Upgrade Kit
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Diamondhead USA Carbine Upgrade Kit
Includes carbine length drop-in handguard and polymer rear NiteBrite sight.

Sight Features
  • Advanced Polymer/Composite construction for  strength, light weight & exceptional durability
  • NiteBrite™- Photoluminescent Inserts (the low-cost alternative to Tritium) - can be charged by natural light or with a flashlight
  • Spring-loaded sight flips up quickly with the push of a button, stays up securely and folds down flat
  • Patented Diamond-shaped Apertures and Upper Housing for fast alignment with any Diamondhead Front Sight
  • Dual same plane long and short range apertures - at exact same height as factory A2 sights
  • Defaults to either small or large aperture
  • Secure and accurate 0.5MOA windage adjustment

Handguard Features
  • VRS 7" Drop-In Versa Base
  • Customize the VRS DI for specific applications
  • Mix full length & short rails with bumpers
  • Add more rails as additional accessories are needed
  • Fast configuration changes
  • Mil. Std. 1913 Picatinny rail dimensions
  • Fits all M4/AR15/M16 variants
  • Mil. Spec. Type III anodized 6061  T6 aluminum construction
  • Combat durable
Part #
DHD 6021
Carbine Upgrade Kit
Coupon Codes will not work on this non-discountable item
Our: $118.30
Retail: $169.00
You Save: $50.70
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