AR-STONER AR-15 A3 Upper Receiver Assembly 350 Legend 16″ Barrel with 15″ M-LOK Ultralight Handguard

AR-STONER AR-15 A3 Upper Receiver Assembly 350 Legend For Sale

We are pleased to present this upper receiver assembly for the AR-STONER AR-15 A3 Upper Receiver Assembly 350 Legend at a competitive price. This AR-STONER upper has an M4 profile barrel, a low profile gas block, a 350 Legend bolt carrier group, and a Parkerized finish (350 legend complete upper with BCG and charging handle with 15″ M-LOK Ultralight Handguard). 

The 350 upper kit has a charging handle, forward assist, A2 flash hider, ejection port cover, bolt, and bolt carrier assembly. It can be attached to almost any standard AR-15 bottom receiver. This upper, provided without a rear sight, makes a fantastic base for iron or red dot sights (both sold separately). What is a 350 legend upper assembly?

The 350 legend upper assembly top receiver offers a flat top configuration with a detachable carry handle. They may fit the manufacturer and model, the top of a 350 upper kit with a Picatinny or Weaver rail to serve as a mounting platform for scopes and other accessories. What comes with an assembled 350 legend 12.5 upper?

A 350 legend 12.5 upper may include the entire upper plus a charging handle, 350 legend upper with BCG and charging handle, gun, and occasionally the bolt carrier group. A complete (or assembled) upper also has installed the ejection port door and the ahead assist button factory. What distance is a 350 legend upper with BCG and charging handle Good For?

With a muzzle velocity of around 2,290 fps out of a 20-inch barrel, that gives the. 350 Legend has an effective range of between 200 and 250 yards. Features: 16″ Parkerized 4150 Chrome Moly Vanadium Barrel with 1:16 Twist. M4 Contour Barrel. 15″ MLOK Rail. Rear Charging. Carbine Length Gas System. .346″ bore with a .355″ groove. Note: this upper receiver does not come with a magazine. Made In the United States of America Specifications Product Information Color Black Finish Anodized Material Aluminum Weight 3.9 Pound Barrel Length 16 Inches Twist 1:16 Inches Threads 5/8″-24 Barrel Contour M4 Barrel Finish Parkerized Chrome Lined No Gas Block Diameter 0.75 Inches Gas System Length Carbine M4 Feed Ramps Yes Upper Receiver Type A3 Flat-Top Barrel Material 4150 Chrome Moly Vanadium Steel Handguard 15″ M-Lok Ultralight Bolt Carrier Assembly Included Yes Muzzle Device Flash Hider Country of Origin United States of America Delivery Information Shipping Weight 5.110 Pounds