Product Description
TNTE 4150 1/7 M4 Upper with MCTAR-17G2
This upper has a 14.5" M4 profile barrel with a 1/7 RH military twist rate. The button rifled barrel is 4150 chrome-moly steel with a nitride bore. We are using 7075-T6 forged M4 feed ramped uppers. It's 16" after pin and weld. It also has a 5.56 NATO chamber. We recommend a 55-62gr bullet for best accuracy. The hand guards are heat shielded Mil-Spec.
Specs:
Upper: Cardinal, Performance Forge or Anchor Harvey Forged upper with M4 ramps
Barrel: 4150 M4 1/7 5.56 NATO w/QPQ finish
Gas System: Carbine
Gas Block: F-Marked A2
Handguard: Midwest Industries MCTAR-17G2
Flash Hider: Ext A2
BCG: Optional
Charging Handle: Optional
