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

We are proud to offer this AR-STONER 350 Legend Upper Receiver Assembly at an exceptional price! This AR-STONER upper features a 350 Legend bolt carrier group, parkerized finish, low profile gas block, and a M4 profile barrel. The A3 upper will attach to virtually any standard AR-15 lower receiver and comes complete with charging handle, forward assist, ejection port cover, A2 flash hider, bolt and bolt carrier assembly. Supplied without a rear sight, this upper is a great platform for a red dot sight or iron sights (both sold separately).

Features:

• 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