This Upper is sold complete with Bolt, Bolt Carrier and Charging Handle to ensure positive lockup between bolt and barrel extension. 

Ideal for predator calling rifle.

The Rock RiverArms 20" Varmint A4 Complete Upper Half is ready to turn your AR carbine or rifle into a tack-driving, bull barreled precision rifle rig! This complete upper comes with bolt, bolt carrier and charging handle and is ready to go with a .223 Wylde chamber for both 5.56mm and .223 rounds. The upper receiver is a forged A4 type flat-top, the handguard is Rock River's Aluminum Free Float tube, and the barrel is an air-gauged stainless steel bull barrel with a 1:8 twist, perfect for longer bullets and long range shootin'!

  Features

• 20" Air Gauged and cryogenically treated Heavy Match Stainless Steel Bull Barrel
• Barrel diameter .920 front of gas block, 1.050 under handguard. Varmint Gas Block Sight Base
• .223 Wylde chamber for both 5.56mm and .223 rounds
• 1/8 twist
• Bull Barrel Upper w/Smooth Free Float Tube

 YES, We Physically Stock AR Uppers. Unlike many other businesses, we do not drop ship from suppliers who very often advertise inventory they do not have.  We maintain large inventories and control our own destiny in terms of prompt shipping to you the customer.