11.5" HBAR AR15 FLAT TOP UPPER RECEIVER ASSEMBLY - 5.56 / .223

-AVAILABLE WITH OPTIONAL BLACK NITRIDE BOLT GROUP ASSEMBLY

For pistol and SBR applications, our 11.5" 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 11.5" heavy barrel and CAR handguards so its ready to go. 

The complete 11.5" HBAR AR15 FLAT TOP UPPER RECEIVER ASSEMBLY comes standard with the following parts:

• 00331 - AR15 / M16 .223 / 5.56 1:9 TWIST M4 EXTENSION 11.5" HEAVY BARREL
• 00158 - AR15 M4 FLAT TOP UPPER RECEIVER WITH FORWARD ASSIST AND EJECTION PORT DUST COVER FOR AR15 RIFLE
• 03301 - CHARGING HANDLE ASSEMBLY
• 02188 - AR15/M16 PICATINNY RAIL GAS BLOCK FOR .750 BARREL
• 01657 - CAR LENGTH GAS TUBE FOR AR15 / M16
• 01660 - GAS TUBE ROLL PIN FOR AR15 / M16
• 03300 - BARREL NUT - AR15 / M16
• 01662 - DELTA RING ASSEMBLY FOR AR15 / M16 BARRELS
• 03299 - AR15 CAR HANDGUARDS
• 03468 - HANDGUARD CAP, ROUND FOR AR15 HBAR - .750 BARREL DIAMETER
• 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.