AR-10® B-Series 18" Tactical Complete Upper Half Assembly

AR-10® B-Series 18″ Tactical Complete Upper Half Assembly


A tactical workhorse, the UAR10TAC18B is the perfect tool for duty and defense.  The dual purpose, flash hiding compensator tames recoil while reducing signature.  A sturdy 15-in. Key-Mod handguard provides ample space and a full length MIL-STD 1913 12 O’Clock rail for sights and accessories.  An adjustable gas block also allows the upper to be individually set for optimal performance.

All Armalite complete upper half assemblies include a bolt carrier group and charging handle.

Out of stock

7.62X51mm / .308
18" Black cerakoted stainless steel
Rifle length gas system
Rifling Twist
1:10" RH
Muzzle Device
Flash hiding compensator
Front Sight Base
MIL-STD 1913 rail on 12 o'clock position of handguard
15" aluminum tactical key-mod
Upper Receiver
Forged, flat-top with MIL-STD 1913 rail, 7075-T6 aluminum
Charging Handle
"Raptor" ambidextrous
Anodized aluminum upper receiver
Overall Length
5.1 lbs.