Product Description
10.5 MK-18 Upper A4 1/7 QPQ
We start with a 5.56 10.5" 1/7 twist barrel for this build. The barrel is made from 4150 machine gun steel with QPQ finish. The upper receiver is T marked and is type 3 hard coat black. This does have M4 ramps. The Flash hider is a A2 this is for PISTOL OR SBR USE ONLY. We recommend a 55gr or 62gr bullet for best accuracy. The front sight is a A2 F-Marked with bayonet lug and attached with taper pins. Gas port size is .073. BCG and charging handle are not included.
Specs:
Upper: TNTE Cardinal or Anchor Harvey Forged upper with M4 ramps
Barrel: M4 4150 1/7 5.56 NATO QPQ Barrel
Gas System: Carbine
Gas Block: F-Marked A2
Handguard: Two Piece Drop In Handguards
Flash Hider: A2
BCG: Optional
Charging Handle: Optional