Product Description
TNTE 4150 1/7 M4 Upper
This upper has a 16" QPQ M4 profile barrel with a 1/7 RH military twist rate. The button rifled barrel is 4150 chrome-moly steel with a QPQ nitride bore. We are using 7075-T6 forged M4 feed ramped uppers. It's only a 16" long barrel and it also it has a 5.56 NATO chamber. We recommend a 55-62gr bullet for best accuracy. The hand guards are heat shielded Mil-Spec. BOLT CARRIER GROUP AND CHARGING HANDLE ARE INCLUDED!!! It is not chrome lined, the bore and chamber are nitride finished.
Specs:
Upper: Brass Aluminum Forged 7075-T6 upper with M4 ramps
Barrel: M4 1/7 5.56 QPQ NATO Button Rifled Barrel
Gas System: Carbine
Gas Block: F-Marked A2
Handguard: Two Piece Drop In Handguards
Flash Hider: A2
BCG: 9310 MP Tested Bolt with QPQ Finish 8620 M16 carrier
Charging Handle: Mil-Spec
