Geissele Super Duty AR-15 Barreled Upper Receiver 5.56 Carbine – DDC – No Muzzle Device – 11.5″


  • Manufactured by Geissele Automatics
  • 5.56 mm NATO
  • 1:7 twist
  • Mil-Spec upper receiver
  • 11.5″ CMV steel barrel
  • Carbine length gas system
  • Super compact gas block
  • Nanoweapon coated
  • No charging handle, bolt carrier group or muzzle device


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SKU08-245S Category

NOTE: This upper assembly has a barrel less than 16” in length. These uppers are intended for use in AR-15 pistols or legal short-barreled rifles. Other configurations may violate Federal law.

The Geissele Super Duty Stripped Upper Receiver Group is the perfect choice for your next build. This upper receiver is chambered in 5.56mm and features a precision machined and cold hammer forged 11.5″ CMV steel barrel for unrivaled strength, reliability, and durability. The carbine length gas tube and Geissele super compact gas block offer outstanding performance in all conditions, while the 10.5” Super Modular Rail MK16 provides ample space for accessories. The entire upper receiver is coated with a Nanoweapon finish for maximum corrosion resistance and abuse resistance. Check all the boxes with this top quality stripped upper receiver from Geissele!


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