AR-STONER AR-15 Upper Receiver Assembly 5.56x45mm NATO 16″ Barrel Mid Length 15″ M-LOK Handguard



AR-STONER AR-15 Upper Receiver Assembly For Sale

The AR-STONER AR-15 Upper Receiver Assembly is a quality upper receiver at an exceptional price. But the A3 upper attaches to any standard AR-15 lower receiver and comes complete with a charging handle, forward assist, ejection port cover, and bolt and bolt carrier assembly.

The 5.56x45mm AR-STONER AR-15, stoner 63 parts kit offers exact accuracy at a reasonable cost. The extruded aluminum free float M-LOK handguard and the forged aluminum upper receiver are Type III hard coat anodized. 

A mid-length gas system, a 16″ heavy-profile barrel, a 15″ free-float KP-15 build, and a flash hider are all included in this upper. Utilize the precision M-LOK cutouts to mount MIL-STD 1913 Picatinny rails or other direct-attach M-LOK accessories while mounting your preferred sling to the free-floating handguard with QD mounts.

Where are stoner ar 15 parts made?

An ISO 9001:2008 registered plant in the USA produces stoner ar 15 assemblies. AR-STONERTM has products with an unrivaled level of quality and dependability by utilizing CNC machinery, managed production processes, and mil-spec finishes.

What is the primary purpose of the stoner upper?

The stoner upper and lower receivers are simply the two halves of a receiver in the AR-15/M-16 family of firearms. In a two-piece type firearm, the upper carries the barrel and the bolt, while the lower carries the firing mechanism and the magazine.

Who makes A3 style uppe?

Midway USA developed the a3 style uppe line to offer reliable American-made AR parts at a great value. If you’re building a new AR-15, you owe it to yourself to look at the AR-STONER line of carbine kits, complete uppers, and lower part kits in a range of calibers.

How important is the ar stoner handguard?

The receiver of the ar stoner handguard is only one part of the weapon. When fully assembled, it performs most of the platform’s labor-intensive tasks, including cycling the gun, ejecting the spent round, and cocking the hammer, among other things.

Made In The United States of America


Product Information

Cartridge 5.56x45mm NATO
Color Black
Finish Anodized
Material Aluminum
Barrel Length 16 Inches
Barrel Finish Black
Chrome Lined No
Gas Block Diameter 0.75 Inches
Gas System Length Mid-Length
M4 Feed Ramps Yes
Upper Receiver Type A3 Flat-Top
Barrel Material Steel
Handguard 15″ M-LOK
Bolt Carrier Assembly Included Yes
Muzzle Device Flash Hider
Mil-Spec or Commercial Mil-Spec
Country of Origin United States of America
Compatible With


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