AR-STONER AR-15 Side Charging Upper Receiver Assembly 5.56x45mm NATO 16″ Barrel with 15″ M-Lok Handguard

Cartridge
5.56x45mm NATO
Finish
Matte Black
Material
Aluminum
Weight
4.65 Pound
Barrel Length
16 Inches
Twist
1:8 Inches
Threads
1/2″-28
Barrel Contour
Medium
Sights
No
Barrel Finish
Matte
Chrome Lined
No
Gas Block Diameter
0.75 Inches
Gas System Length
Carbine
M4 Feed Ramps
Yes
Upper Receiver Type
Side Charging
Barrel Material
Steel
Handguard
15″ M-LOK
Bolt Carrier Assembly Included
Yes
Muzzle Device
A2 Flash Hider
Mil-Spec or Commercial
Mil-Spec
Country of Origin
United States of America
Compatible With
AR-15