BARREL: Insurgent Tactical 16" barrel made from 4150 Chrome Moly Vanadium (CMV)
steel with QPQ Nitride finish and a mid-length gas system. Barrel is
chambered in 5.56 NATO or .300 Blackout and features a 1:7 twist with M4
feed ramps. Barrels are High Pressure Tested (HPT) and Magnetic
Particle Inspected (MPI). Sub-MOA accuracy guarantee with match grade
ammunition and proper shooting techniques.
GAS BLOCK: pinned gas block made from 4140 steel with a QPQ Nitride finish. Installed with dual-set knurled tip set screws.
GAS TUBE:
Stainless steel mid-length gas tube and features a Melonite finish for
increased heat and corrosion resistance along with a subdued appearance
RAIL:
Insurgent Tactical's slim, free float rail machined from 6061-T6 billet
aluminum with your choice of Cerakote (Graphite Black, Burnt Bronze, Tungsten). Full
length 12 o'clock rail with machined rails at the 3-6-9 o'clock
positions on the front of rail. T-marks are provided on all rail
sections. Designed with both anti-slip and anti-rotation features.
Magpul M-Lok attachment system throughout the rail for mounting
accessories. 4x QD sockets throughout the rail.
UPPER RECEIVER: Mil-Spec 7075-T6 aluminum with your choice of Cerakote (Graphite Black, Burnt Bronze, Tungsten) or Type III Class II black hardcoat anodized finish. T-marks on top rail.
BCG:
Insurgent Tactical AR15/M16 Carrier manufactured from 8620 steel and
bolt from 9310 Steel. 4340 steel cam pin. Nitride finish. Shot Peened.
Magnetic Particle Inspected (MPI). High Pressure Tested (HPT). Properly
staked gas key to Mil-Spec standards. Grade 8 hardened fasteners. Black extractor insert w/ O-ring.
CHARGING HANDLE: Radian Raptor-LT ambidextrous charging handle
All complete upper receivers are test fired to ensure proper function.
MADE IN USA. LIFETIME WARRANTY.
Excellent all around 
