AR-STONER AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16″ Barrel with 15″ M-LOK Ultralight Handguard



Buy AR-STONER AR-15 A3 Upper Receiver Assembly 5.56x45mm For Sale

They created the AR-STONER AR-15 A3 Upper Receiver Assembly 5.56x45mm with the customer’s needs, offering function, style, and affordability for the AR-15 of today. The 12.5 ar15 upper has everything you need to start shooting and can be attached to almost any standard AR-15 lower receiver.

This upper has a carbine-length gas system, a lightweight 15″ free-float M-Lok Handguard, a 16″ barrel with a 1:8″ twist and parkerized finish, an M2 flash hider, and all of these characteristics. With a sleek design that doesn’t compromise on robustness or ergonomics, M-Lok Handguard slots enable the installation of well-known M-Lok compatible accessories directly to precision cuts. They also have integrated QD sling mounts. The a3 style upper lets you complete building the pistol of your dreams at a cost that won’t break the bank.

What is an A3 upper?

The A3 upper offers a flat top configuration featuring a detachable carrying handle. Depending on the manufacturer and model, an A3 upper may be equipped with either Picatinny or Weaver rail to serve as the mounting platform for scopes and other accessories.

What is 10.5 piston upper?

The rifle presented here – labeled in Colt’s catalog as LE-6721 or AR-15A3 Tactical Carbine – is as essential as it brings these days with AR-15s. It ships with a fixed combination front sight/gas block, a detachable carry handle with 18 inch ar upper rear sight and a four-position Mil-Spec adjustable buttstock.

Where are 11.5 complete upper made?

An ISO 9001:2008 registered plant in the USA produces 11.5 complete upper assemblies. AR-STONERTM has products with an unrivaled level of quality and dependability by utilizing CNC machinery, managed production processes, and mil-spec finishes.

Can you still buy 12.5 556 upper?

It is not considered a firearm. You can purchase AR-15 and 12.5 556 upper on our website without requiring experience. You might also wonder, “do you need an FFL to buy a AR 15 upper?” The answer is also no. No FFL (Federal Firearms License) is required to purchase an AR15 upper online.

  • Complete Bolt Carrier Group
  • 15″ M-Lok Handguard
  • 16” Barrel
  • M2 Flash Hider
  • Chambered in 5.56x45mm NATO

Made In the United States of America


Product Information

Color Black
Finish Anodized
Material Aluminum
Weight 5.3 Pound
Barrel Length 16 Inches
Twist 1:8 Inches
Threads 1/2″-28
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


There are no reviews yet.

Be the first to review “AR-STONER AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16″ Barrel with 15″ M-LOK Ultralight Handguard”

Your email address will not be published. Required fields are marked *