What's your Frontline!?Anderson's Frontline Series is derived from our duty-grade firearms developed for law enforcement, the Defender Series.
This complete upper receiver is equipped with Anderson's Stable-Lock TRS (Tapered Retention System) Handguards that utilize the TRS lock-up and anti-rotation shoulders. This handguard hosts a complete top-1913 picatinny rail with MLOK spread evenly throughout at the 3, 6 and 9 o'clock positions and QD sling points at the 3 and 6.
The Frontline 11.5 hosts a medium profile, 11.5'', 4150 CrMoV Nitride Gas Treated Barrel chambered in 5.56 with a 1:8 twist and capped of with an A2 Flash Hider.
The 7075 T6, Type III Hard Anodized Upper Receiver features is fitted with the Anderson Manufacturing M-16 Profile Bolt Carrier Group paired with Breek Arms' Warhammer ambidextrous charging handle (w/ gas ramps to effectively divert gas from user's face).