Sabre Defence AR-15 Competition Standard Upper Assembly 6.5 Grendel 1 in 9" Twist 20" Fluted Barrel Stainless Steel

Product #: 218813 Sabre Defence #: 40056 UPC #: 1013401066
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  • Information
Precision engineered and made with superior materials, each assembly is made to incredibly tight tolerances. This assembly is button rifled, features a right hand twist and comes ready to install on a completed lower receiver.

  • 20" Fluted SS Mid-Weight Barrel w/ M4 Feed Ramps
  • Aluminum Free Float Handguard
  • Competition Gill Muzzle Brake
  • Flip-Up Front & Rear Sights
  • Bayonet Lug
  • Bolt Handle Assembly
  • Bolt and Carrier Assembly
  • 25-Rnd Magazine

    Technical Information

  • Vanadium Alloy Chrome Lined Barrel
  • Aluminum Free Float Handguards
  • Aluminum Upper Receiver
  • Competition Gill Muzzle Brake

  • Front Sight Included
  • Bayonet Lug Is Included
  • Button Rifled
  • Right Hand Twist
  • Ready to Install
  • Bolt Handle Assembly Included
  • Bolt and Carrier assembly included
    AR-15 Hammer and Trigger Pin Dimensions:
  • Some Colt® AR type rifles have been manufactured with hammer and trigger pins and holes which are approximately .176" in diameter. These are referrend to as "large pin" Colts. This was done to eliminate the chances of someone putting M16 fire control parts into an AR receiver. This is not found in all Colt models, just some.
  • All other AR type rifle manufacturers have stayed with the .156" diameter hammer and trigger pins and holes, or "small pin" which is the same spec used in all military M16 rifles.
  • Measure your pins or the holes in your lower receiver to determine if you have a "small" or "large" hole Colt® AR
  • Bolt carrier is not chrome. It may be silver or matte

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