This video provides a detailed walkthrough of a custom Mk3 Firearms 300 Blackout AR-15 SBR build. The presenter highlights numerous aftermarket components, including an LWRC Ultra Compact Stock, Magpul MOE Grip, Battle Arms 45-degree safety selector, AR Gold trigger, JP Enterprises side charger upper with FMOS bolt carrier system, Knights Armament K-Mod rail, Aimpoint Comp M4S red dot with an ARMS QD mount, and a Battle Comp muzzle device. The presenter emphasizes the quality and functionality of each part, noting that while the build might be 'overbuilt,' it represents a personal ideal for a 300 Blackout SBR.
You've reached the end! 1 videos loaded.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.
