MDX Arms 16" 300AAC M-Lok HG Pistol Length Complete Upper

Product Description

Upper Receiver

• T6 7075 Forged HA Type III
• M4 Feed Ramp
• Standard Mil-Spec Dust Cover & Forward Assist

Charging Handle

• Standard Mil-Spec Charging Handle

Bolt Carrier Group

• Black Nitride / QPQ Finish
• M16 Full Auto with Staked Gas Keys
• 9310 Steel MPI tested bolt & 8620 Steel Carrier.
• Compatible with 5.56 NATO, .223 Remington & 300 AAC Blackout.
• Corrosion resistance inside and out. Superior to chrome lined and parkerized bolt carrier groups.
• Slicker hardened 70RC surface
• Includes extractor o-ring for increased extracting reliability.

Barrel/Gas Block

• 16" 300AAC Black Out
• 1:7 Twist
• 4150 Contour Chrome Moly Vanadium (CMV) - Parkerized
• .750 Low Profile Steel Gas Block - Screw On
• Pistol Length Gas System

Handguard/Rail

• MDX 13" SLM Series MLok Handguard with Steel Barrel Nut
• Weight less than 12oz with BN

Flash Hider/Muzzle Brake

• A2 Birdcage Flash Hider - 5/8 x 24