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

Original price was: $429.99.Current price is: $374.99.


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.

  • 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


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


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