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Geissele URG-I Near Clone 5.56 NATO 11.5" 1:7" Gov Bbl DDC Complete Upper Receiver Group w/10.5" M-LOK MK16 SMR 08-315

SKU 08-315-Geissele

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Geissele brings AR performance to the next level with the URG-I Complete, Near Clone Upper Receiver. This upper receiver is up to specifications with those used by the USASOC, and comes packed with Geissele exclusive features and technologies. One of its more notable features is Geissele’s own Reliability Enhanced Bolt Carrier Group. This BCG is Nanoweapon coated and features a gas key that’s been properly staked, torqued, and is lined with chrome. Adding to the Reliability Enhanced Bolt Carrier Group’s performance is a cam pin machined from H13 tool steel with a Nanoweapon coating for corrosion/wear resistance, and extended upper rails are included to provide greater stability and improve feeding reliability. Another feature of the Reliability Enhanced Bolt Carrier Group is its Stressproof Bolt, which is precision machined from Carpenter 158+ barstock – a material that is cleaner, has less impurities, and offers greater strength and fatigue resistance. In addition, the URG-I Complete, Near Clone Upper Receiver is equipped with a MK16 Super Modular Rail that’s been perfectly mated to the upper receiver to eliminate and risk of rail rotation. The MK16 rail runs the length of the receiver and fore-grip, and provides more than enough space for iron sights, red dots, scopes, and clip-on thermal/night vision devices.

Features of the URG-I Complete, Near Clone Upper Receiver:

  • Mil-Spec M4 Upper Receiver Assembly
  • Geissele Reliability Enhanced Bolt Carrier Group
  • Geissele Airborne Charging Handle, DDC
  • Geissele SMR MK16, DDC, 10.5"
  • Geissele 5.56MM 11.5" GOV profile, CHF, Chrome Lined, Mid-Length Gas, Mag Phos, ChromolyV, 1:7 Twist, Barrel
  • Geissele Super Gas Block .750 Low-Profile Gas Block, Pinned (Bombproof Installation)
  • SureFire SF4P 4 Prong Flash Hider
  • Super 42 Braided Wire Buffer Spring and H3 Buffer Combo


  • Caliber:5.56 NATO
  • Rifle Barrel Length:11.5"
  • Rifle Barrel Twist:1:7"
  • Caliber or Gauge:5.56 x 45mm NATO
  • Item ConditionNew
  • Product TypeReceiver
    Rifle Parts
  • UPC817953029503
  • MPN08-315

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