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

-AVAILABLE WITH OPTIONAL BLACK NITRIDE BOLT GROUP ASSEMBLY

For pistol and SBR applications, our 7.5" HBAR AR15 FLAT TOP UPPER RECEIVER ASSEMBLY provides the complete upper ready to drop on your lower without having to assemble all the small parts!  Our assembly team builds the upper receiver with a 7.5" heavy barrel and a pistol length free floating hardguard tube so its ready to go.  If you are building a pistol, this upper receiver assembly and one of our assembled lowers makes a pistol build an easy project.   

The complete 7.5" HBAR QUAD RAIL AR15 FLAT TOP UPPER RECEIVER ASSEMBLY - 5.56 / .223 comes standard with the following parts:

• 00330 - AR15/M16 5.56 / .223 1:9 TWIST M4 EXTENSION 7.5" 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
• 01659 - PISTOL LENGTH GAS TUBE FOR AR15 / M16
• 01660 - GAS TUBE ROLL PIN FOR AR15 / M16
• 04523 - UTG MODEL 4 AR15 PRO MADE IN USA PISTOL 4" FREE FLOAT QUAD RAIL SYSTEM
• 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.