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  • OVERSIZE - NOT ELIGIBLE FOR FREE SHIPPING

16" FLUTED HBAR QUAD RAIL AR15 FLAT TOP UPPER RECEIVER ASSEMBLY
- 5.56 / .223

16" FLUTED HBAR QUAD RAIL AR15 FLAT TOP UPPER RECEIVER ASSEMBLY - 5.56 / .223

-AVAILABLE WITH OPTIONAL BLACK NITRIDE BOLT GROUP ASSEMBLY

Now you can get the CAR15 look and feel for your AR15 without having to assemble all the small parts!  Our assembly team builds the upper receiver with a 16" fluted heavy barrel and CAR quad rail handguards so its ready to drop on to your lower receiver. 

The complete 16" FLUTED HBAR QUAD RAIL AR15 FLAT TOP UPPER RECEIVER ASSEMBLY - 5.56 / .223 comes standard with the following parts:

  • 01348 - AR15 / M16 .223 / 5.561:9 TWIST16" FLUTED HEAVY BARREL
  • 00158 - AR15 M4 FLAT TOP UPPER RECEIVER WITH FORWARD ASSIST AND EJECTION PORT DUST COVER FOR AR15 RIFLE
  • 03301 - CHARGING HANDLE ASSEMBLY
  • 02038 - LOW PROFILE SHORT STEEL .750 GAS BLOCK FOR AR15
  • 01657 - CAR LENGTH GAS TUBE FOR AR15 / M16
  • 01660 - GAS TUBE ROLL PIN FOR AR15 / M16
  • 04524 - UTG MODEL 4 AR15 PRO CAR LENGTH 7" FREE FLOAT SLIM LINE QUAD RAIL
  • 00283 - AR15 A2 "PARTIAL CAGE" FLASH HIDER
  • 01661 - CRUSH WASHER FOR .223 / 5.56 / .22LR THREADED BARRELS - AR15 / M16

Complete upper is also available with the optional BLACK NITRIDE Bolt Carrier Group (04945) installed.  Please select preference when ordering.

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PROP 65 WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.