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

Cartridge
350 Legend
Finish
Black
Material
Aluminum
Barrel Length
16 Inches
Twist
1:16 Inches
Threads
5/8″-24
Barrel Contour
M4
Sights
No
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
Steel
Bolt Carrier Assembly Included
Yes
Muzzle Device
A2
Country of Origin
United States of America
Compatible With
AR-15