16″ 300BLK Complete Upper – CMMG/Aero Precision **DEMO**


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*There may be slight scuff marks on the hand guard. They in no way affect quality or function. Built for a demo with approx 20 rounds fired.

**Are demos were all built with top name products to showcase them to local customers. All demos are completely function tested, test fired and headspaced to ensure performance. Satisfaction guaranteed.

With the options included, this is an absolute steal at this price.

Only one available.

All uppers are assembled using correct methods, torque values and assembly grease. Completely function Tested and test fired for guaranteed flawless performance.


  • Aero Precision Milspec
  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes port door and forward assist
  • 7075-T6 Forged Aluminum
  • Anodized Black


  • Integrity SMR Rail
  • Free Floating Design
  • 12″ (13oz with barrel nut)
  • 6061 T-6 Aluminum
  • Steel Barrel Nut
  • Type III Hard Coat Anodized
  • M-LOK Mounting Points at 3, 6 and 9 o’clock
  • Picatinny Rails Integrally Machined at 3, 6 and 9 o’clock at Muzzle End
  • QD Mount Points Front & Rear
  • Anti-Rotation Tabs
  • Full length Picattiny Top Rail (no gap with upper)
  • Made in U.S.A.


  • Toolcraft EXO/Nickel Boron
  • M16 Profile
  • EXO Coated Parts Include: Carrier, Gas Key, Cam Pin, Bolt & Extractor
  • Inside Diameter is Coated As Well
  • 5.56mm, .223rem or 300BLK
  • Properly Staked EXO Coated Gas Key
  • Carpenter 158 Bolt, Shot Peened and MPI Tested/Marked
  • Extractor is AISI 4140 Or 4340 Gun Quality, Annealed, Cold Drawn & Stress Relieved To BHN 187/229
  • Properly Heat Treated/Quenched Milspec 8620 Steel
  • Proprietary FailZero EXO Coating (Nickel Boron)
  • Marked w/ Military Cage Code 1B1B6
  • CNC Machined To Exacting Specifications
  • Satisfaction Guaranteed
  • 100% U.S. Made in North Carolina


  • 16″ CMMG MR Profile 300BLK
  • 1:7 Twist Rate
  • Salt Bath Nitride Finish inside and out (Melonite)
  • Threaded 5/8-24
  • Carbine length gas port
  • .750″ Gas Block Journal
  • Made in U.S.A.


  • Daniel Defense Fixed
  • One Piece Streamline Design
  • Uses Standard AR15 Apertures
  • Easy to use in conjunction with compact, pistol-type weapon lights
  • Slotted Screws Attachment
  • Light weight
  • Made in U.S.A.


  • CNC Billet Machined
  • Made to Mil Spec Dimensions
  • Hard Coat Anodized
  • Made in U.S.A.


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